Source/JavaScriptCore/b3/testb3.cpp

/*
 * Copyright (C) 2015-2016 Apple Inc. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE INC. OR
 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 
 */

#include "config.h"

#include "AirCode.h"
#include "AirInstInlines.h"
#include "AirValidate.h"
#include "AllowMacroScratchRegisterUsage.h"
#include "B3ArgumentRegValue.h"
#include "B3BasicBlockInlines.h"
#include "B3CCallValue.h"
#include "B3Compilation.h"
#include "B3ComputeDivisionMagic.h"
#include "B3Const32Value.h"
#include "B3ConstPtrValue.h"
#include "B3Effects.h"
#include "B3FenceValue.h"
#include "B3Generate.h"
#include "B3LowerToAir.h"
#include "B3MathExtras.h"
#include "B3MemoryValue.h"
#include "B3MoveConstants.h"
#include "B3Procedure.h"
#include "B3ReduceStrength.h"
#include "B3SlotBaseValue.h"
#include "B3StackSlot.h"
#include "B3StackmapGenerationParams.h"
#include "B3SwitchValue.h"
#include "B3UpsilonValue.h"
#include "B3UseCounts.h"
#include "B3Validate.h"
#include "B3ValueInlines.h"
#include "B3VariableValue.h"
#include "B3WasmAddressValue.h"
#include "B3WasmBoundsCheckValue.h"
#include "CCallHelpers.h"
#include "FPRInfo.h"
#include "GPRInfo.h"
#include "InitializeThreading.h"
#include "JSCInlines.h"
#include "LinkBuffer.h"
#include "PureNaN.h"
#include "VM.h"
#include <cmath>
#include <string>
#include <wtf/ListDump.h>
#include <wtf/Lock.h>
#include <wtf/NumberOfCores.h>
#include <wtf/Threading.h>

// We don't have a NO_RETURN_DUE_TO_EXIT, nor should we. That's ridiculous.
static bool hiddenTruthBecauseNoReturnIsStupid() { return true; }

static void usage()
{
    dataLog("Usage: testb3 [<filter>]\n");
    if (hiddenTruthBecauseNoReturnIsStupid())
        exit(1);
}

#if ENABLE(B3_JIT)

using namespace JSC;
using namespace JSC::B3;

namespace {

bool shouldBeVerbose()
{
    return shouldDumpIR(B3Mode);
}

StaticLock crashLock;

// Nothing fancy for now; we just use the existing WTF assertion machinery.
#define CHECK(x) do {                                                   \
        if (!!(x))                                                      \
            break;                                                      \
        crashLock.lock();                                               \
        WTFReportAssertionFailure(__FILE__, __LINE__, WTF_PRETTY_FUNCTION, #x); \
        CRASH();                                                        \
    } while (false)

#define CHECK_EQ(x, y) do { \
        auto __x = (x); \
        auto __y = (y); \
        if (__x == __y) \
            break; \
        crashLock.lock(); \
        WTFReportAssertionFailure(__FILE__, __LINE__, WTF_PRETTY_FUNCTION, toCString(#x " == " #y, " (" #x " == ", __x, ", " #y " == ", __y, ")").data()); \
        CRASH(); \
    } while (false)

VM* vm;

std::unique_ptr<Compilation> compile(Procedure& procedure, unsigned optLevel = 1)
{
    return std::make_unique<Compilation>(*vm, procedure, optLevel);
}

template<typename T, typename... Arguments>
T invoke(MacroAssemblerCodePtr ptr, Arguments... arguments)
{
    T (*function)(Arguments...) = bitwise_cast<T(*)(Arguments...)>(ptr.executableAddress());
    return function(arguments...);
}

template<typename T, typename... Arguments>
T invoke(const Compilation& code, Arguments... arguments)
{
    return invoke<T>(code.code(), arguments...);
}

template<typename T, typename... Arguments>
T compileAndRun(Procedure& procedure, Arguments... arguments)
{
    return invoke<T>(*compile(procedure), arguments...);
}

void lowerToAirForTesting(Procedure& proc)
{
    proc.resetReachability();
    
    if (shouldBeVerbose())
        dataLog("B3 before lowering:\n", proc);
    
    validate(proc);
    lowerToAir(proc);
    
    if (shouldBeVerbose())
        dataLog("Air after lowering:\n", proc.code());
    
    Air::validate(proc.code());
}

template<typename Func>
void checkDisassembly(Compilation& compilation, const Func& func, CString failText)
{
    CString disassembly = compilation.disassembly();
    if (func(disassembly.data()))
        return;
    
    crashLock.lock();
    dataLog("Bad lowering!  ", failText, "\n");
    dataLog(disassembly);
    CRASH();
}

void checkUsesInstruction(Compilation& compilation, const char* text)
{
    checkDisassembly(
        compilation,
        [&] (const char* disassembly) -> bool {
            return strstr(disassembly, text);
        },
        toCString("Expected to find ", text, " but didnt!"));
}

void checkDoesNotUseInstruction(Compilation& compilation, const char* text)
{
    checkDisassembly(
        compilation,
        [&] (const char* disassembly) -> bool {
            return !strstr(disassembly, text);
        },
        toCString("Did not expected to find ", text, " but it's there!"));
}

template<typename Type>
struct Operand {
    const char* name;
    Type value;
};

typedef Operand<int64_t> Int64Operand;
typedef Operand<int32_t> Int32Operand;

template<typename FloatType>
void populateWithInterestingValues(Vector<Operand<FloatType>>& operands)
{
    operands.append({ "0.", static_cast<FloatType>(0.) });
    operands.append({ "-0.", static_cast<FloatType>(-0.) });
    operands.append({ "0.4", static_cast<FloatType>(0.5) });
    operands.append({ "-0.4", static_cast<FloatType>(-0.5) });
    operands.append({ "0.5", static_cast<FloatType>(0.5) });
    operands.append({ "-0.5", static_cast<FloatType>(-0.5) });
    operands.append({ "0.6", static_cast<FloatType>(0.5) });
    operands.append({ "-0.6", static_cast<FloatType>(-0.5) });
    operands.append({ "1.", static_cast<FloatType>(1.) });
    operands.append({ "-1.", static_cast<FloatType>(-1.) });
    operands.append({ "2.", static_cast<FloatType>(2.) });
    operands.append({ "-2.", static_cast<FloatType>(-2.) });
    operands.append({ "M_PI", static_cast<FloatType>(M_PI) });
    operands.append({ "-M_PI", static_cast<FloatType>(-M_PI) });
    operands.append({ "min", std::numeric_limits<FloatType>::min() });
    operands.append({ "max", std::numeric_limits<FloatType>::max() });
    operands.append({ "lowest", std::numeric_limits<FloatType>::lowest() });
    operands.append({ "epsilon", std::numeric_limits<FloatType>::epsilon() });
    operands.append({ "infiniti", std::numeric_limits<FloatType>::infinity() });
    operands.append({ "-infiniti", - std::numeric_limits<FloatType>::infinity() });
    operands.append({ "PNaN", static_cast<FloatType>(PNaN) });
}

template<typename FloatType>
Vector<Operand<FloatType>> floatingPointOperands()
{
    Vector<Operand<FloatType>> operands;
    populateWithInterestingValues(operands);
    return operands;
};

static Vector<Int64Operand> int64Operands()
{
    Vector<Int64Operand> operands;
    operands.append({ "0", 0 });
    operands.append({ "1", 1 });
    operands.append({ "-1", -1 });
    operands.append({ "42", 42 });
    operands.append({ "-42", -42 });
    operands.append({ "int64-max", std::numeric_limits<int64_t>::max() });
    operands.append({ "int64-min", std::numeric_limits<int64_t>::min() });
    operands.append({ "int32-max", std::numeric_limits<int32_t>::max() });
    operands.append({ "int32-min", std::numeric_limits<int32_t>::min() });

    return operands;
}

static Vector<Int32Operand> int32Operands()
{
    Vector<Int32Operand> operands({
        { "0", 0 },
        { "1", 1 },
        { "-1", -1 },
        { "42", 42 },
        { "-42", -42 },
        { "int32-max", std::numeric_limits<int32_t>::max() },
        { "int32-min", std::numeric_limits<int32_t>::min() }
    });
    return operands;
}

void add32(CCallHelpers& jit, GPRReg src1, GPRReg src2, GPRReg dest)
{
    if (src2 == dest)
        jit.add32(src1, dest);
    else {
        jit.move(src1, dest);
        jit.add32(src2, dest);
    }
}

void test42()
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    Value* const42 = root->appendNew<Const32Value>(proc, Origin(), 42);
    root->appendNewControlValue(proc, Return, Origin(), const42);

    CHECK(compileAndRun<int>(proc) == 42);
}

void testLoad42()
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    int x = 42;
    root->appendNewControlValue(
        proc, Return, Origin(),
        root->appendNew<MemoryValue>(
            proc, Load, Int32, Origin(),
            root->appendNew<ConstPtrValue>(proc, Origin(), &x)));

    CHECK(compileAndRun<int>(proc) == 42);
}

void testLoadWithOffsetImpl(int32_t offset64, int32_t offset32)
{
    {
        Procedure proc;
        BasicBlock* root = proc.addBlock();
        int64_t x = -42;
        Value* base = root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0);
        root->appendNewControlValue(
            proc, Return, Origin(),
            root->appendNew<MemoryValue>(
                proc, Load, Int64, Origin(),
                base,
                offset64));

        char* address = reinterpret_cast<char*>(&x) - offset64;
        CHECK(compileAndRun<int64_t>(proc, address) == -42);
    }
    {
        Procedure proc;
        BasicBlock* root = proc.addBlock();
        int32_t x = -42;
        Value* base = root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0);
        root->appendNewControlValue(
            proc, Return, Origin(),
            root->appendNew<MemoryValue>(
                proc, Load, Int32, Origin(),
                base,
                offset32));

        char* address = reinterpret_cast<char*>(&x) - offset32;
        CHECK(compileAndRun<int32_t>(proc, address) == -42);
    }
}

void testLoadOffsetImm9Max()
{
    testLoadWithOffsetImpl(255, 255);
}

void testLoadOffsetImm9MaxPlusOne()
{
    testLoadWithOffsetImpl(256, 256);
}

void testLoadOffsetImm9MaxPlusTwo()
{
    testLoadWithOffsetImpl(257, 257);
}

void testLoadOffsetImm9Min()
{
    testLoadWithOffsetImpl(-256, -256);
}

void testLoadOffsetImm9MinMinusOne()
{
    testLoadWithOffsetImpl(-257, -257);
}

void testLoadOffsetScaledUnsignedImm12Max()
{
    testLoadWithOffsetImpl(32760, 16380);
}

void testLoadOffsetScaledUnsignedOverImm12Max()
{
    testLoadWithOffsetImpl(32760, 32760);
    testLoadWithOffsetImpl(32761, 16381);
    testLoadWithOffsetImpl(32768, 16384);
}

void testArg(int argument)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    root->appendNewControlValue(
        proc, Return, Origin(),
        root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0));

    CHECK(compileAndRun<int>(proc, argument) == argument);
}

void testReturnConst64(int64_t value)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    root->appendNewControlValue(
        proc, Return, Origin(),
        root->appendNew<Const64Value>(proc, Origin(), value));

    CHECK(compileAndRun<int64_t>(proc) == value);
}

void testReturnVoid()
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    root->appendNewControlValue(proc, Return, Origin());
    compileAndRun<void>(proc);
}

void testAddArg(int a)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    Value* value = root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0);
    root->appendNewControlValue(
        proc, Return, Origin(),
        root->appendNew<Value>(proc, Add, Origin(), value, value));

    CHECK(compileAndRun<int>(proc, a) == a + a);
}

void testAddArgs(int a, int b)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    root->appendNewControlValue(
        proc, Return, Origin(),
        root->appendNew<Value>(
            proc, Add, Origin(),
            root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0),
            root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR1)));

    CHECK(compileAndRun<int>(proc, a, b) == a + b);
}

void testAddArgImm(int a, int b)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    root->appendNewControlValue(
        proc, Return, Origin(),
        root->appendNew<Value>(
            proc, Add, Origin(),
            root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0),
            root->appendNew<Const64Value>(proc, Origin(), b)));

    CHECK(compileAndRun<int>(proc, a) == a + b);
}

void testAddImmArg(int a, int b)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    root->appendNewControlValue(
        proc, Return, Origin(),
        root->appendNew<Value>(
            proc, Add, Origin(),
            root->appendNew<Const64Value>(proc, Origin(), a),
            root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0)));

    CHECK(compileAndRun<int>(proc, b) == a + b);
}

void testAddArgMem(int64_t a, int64_t b)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    Value* address = root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR1);
    MemoryValue* load = root->appendNew<MemoryValue>(proc, Load, Int64, Origin(), address);
    Value* result = root->appendNew<Value>(proc, Add, Origin(),
        root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0),
        load);
    root->appendNew<MemoryValue>(proc, Store, Origin(), result, address);
    root->appendNewControlValue(proc, Return, Origin(), root->appendNew<Const32Value>(proc, Origin(), 0));

    int64_t inputOutput = b;
    CHECK(!compileAndRun<int64_t>(proc, a, &inputOutput));
    CHECK(inputOutput == a + b);
}

void testAddMemArg(int64_t a, int64_t b)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    Value* address = root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0);
    MemoryValue* load = root->appendNew<MemoryValue>(proc, Load, Int64, Origin(), address);
    Value* result = root->appendNew<Value>(proc, Add, Origin(),
        load,
        root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR1));
    root->appendNewControlValue(proc, Return, Origin(), result);

    CHECK(compileAndRun<int64_t>(proc, &a, b) == a + b);
}

void testAddImmMem(int64_t a, int64_t b)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    Value* address = root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0);
    MemoryValue* load = root->appendNew<MemoryValue>(proc, Load, Int64, Origin(), address);
    Value* result = root->appendNew<Value>(proc, Add, Origin(),
        root->appendNew<Const64Value>(proc, Origin(), a),
        load);
    root->appendNew<MemoryValue>(proc, Store, Origin(), result, address);
    root->appendNewControlValue(proc, Return, Origin(), root->appendNew<Const32Value>(proc, Origin(), 0));

    int64_t inputOutput = b;
    CHECK(!compileAndRun<int>(proc, &inputOutput));
    CHECK(inputOutput == a + b);
}

void testAddArg32(int a)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    Value* value = root->appendNew<Value>(proc, Trunc, Origin(),
        root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0));
    root->appendNewControlValue(
        proc, Return, Origin(),
        root->appendNew<Value>(proc, Add, Origin(), value, value));

    CHECK(compileAndRun<int>(proc, a) == a + a);
}

void testAddArgs32(int a, int b)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    root->appendNewControlValue(
        proc, Return, Origin(),
        root->appendNew<Value>(
            proc, Add, Origin(),
            root->appendNew<Value>(
                proc, Trunc, Origin(),
                root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0)),
            root->appendNew<Value>(
                proc, Trunc, Origin(),
                root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR1))));

    CHECK(compileAndRun<int>(proc, a, b) == a + b);
}

void testAddArgMem32(int32_t a, int32_t b)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    Value* address = root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR1);
    MemoryValue* load = root->appendNew<MemoryValue>(proc, Load, Int32, Origin(), address);
    Value* argument = root->appendNew<Value>(proc, Trunc, Origin(),
        root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0));
    Value* result = root->appendNew<Value>(proc, Add, Origin(), argument, load);
    root->appendNew<MemoryValue>(proc, Store, Origin(), result, address);
    root->appendNewControlValue(proc, Return, Origin(), root->appendNew<Const32Value>(proc, Origin(), 0));

    int32_t inputOutput = b;
    CHECK(!compileAndRun<int32_t>(proc, a, &inputOutput));
    CHECK(inputOutput == a + b);
}

void testAddMemArg32(int32_t a, int32_t b)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    Value* address = root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0);
    MemoryValue* load = root->appendNew<MemoryValue>(proc, Load, Int32, Origin(), address);
    Value* argument = root->appendNew<Value>(proc, Trunc, Origin(),
        root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR1));
    Value* result = root->appendNew<Value>(proc, Add, Origin(), load, argument);
    root->appendNewControlValue(proc, Return, Origin(), result);

    CHECK(compileAndRun<int32_t>(proc, &a, b) == a + b);
}

void testAddImmMem32(int32_t a, int32_t b)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    Value* address = root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0);
    MemoryValue* load = root->appendNew<MemoryValue>(proc, Load, Int32, Origin(), address);
    Value* result = root->appendNew<Value>(proc, Add, Origin(),
        root->appendNew<Const32Value>(proc, Origin(), a),
        load);
    root->appendNew<MemoryValue>(proc, Store, Origin(), result, address);
    root->appendNewControlValue(proc, Return, Origin(), root->appendNew<Const32Value>(proc, Origin(), 0));

    int32_t inputOutput = b;
    CHECK(!compileAndRun<int>(proc, &inputOutput));
    CHECK(inputOutput == a + b);
}

void testAddArgZeroImmZDef()
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    Value* arg = root->appendNew<Value>(
        proc, Trunc, Origin(),
        root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0));
    Value* constZero = root->appendNew<Const32Value>(proc, Origin(), 0);
    root->appendNewControlValue(
        proc, Return, Origin(),
        root->appendNew<Value>(
            proc, Add, Origin(),
            arg,
            constZero));

    auto code = compile(proc, 0);
    CHECK(invoke<int64_t>(*code, 0x0123456789abcdef) == 0x89abcdef);
}

void testAddLoadTwice()
{
    auto test = [&] (unsigned optLevel) {
        Procedure proc;
        BasicBlock* root = proc.addBlock();
        int32_t value = 42;
        Value* load = root->appendNew<MemoryValue>(
            proc, Load, Int32, Origin(),
            root->appendNew<ConstPtrValue>(proc, Origin(), &value));
        root->appendNewControlValue(
            proc, Return, Origin(),
            root->appendNew<Value>(proc, Add, Origin(), load, load));

        auto code = compile(proc, optLevel);
        CHECK(invoke<int32_t>(*code) == 42 * 2);
    };

    test(0);
    test(1);
}

void testAddArgDouble(double a)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    Value* value = root->appendNew<ArgumentRegValue>(proc, Origin(), FPRInfo::argumentFPR0);
    root->appendNewControlValue(
        proc, Return, Origin(),
        root->appendNew<Value>(proc, Add, Origin(), value, value));

    CHECK(isIdentical(compileAndRun<double>(proc, a), a + a));
}

void testAddArgsDouble(double a, double b)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    Value* valueA = root->appendNew<ArgumentRegValue>(proc, Origin(), FPRInfo::argumentFPR0);
    Value* valueB = root->appendNew<ArgumentRegValue>(proc, Origin(), FPRInfo::argumentFPR1);
    root->appendNewControlValue(
        proc, Return, Origin(),
        root->appendNew<Value>(proc, Add, Origin(), valueA, valueB));

    CHECK(isIdentical(compileAndRun<double>(proc, a, b), a + b));
}

void testAddArgImmDouble(double a, double b)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    Value* valueA = root->appendNew<ArgumentRegValue>(proc, Origin(), FPRInfo::argumentFPR0);
    Value* valueB = root->appendNew<ConstDoubleValue>(proc, Origin(), b);
    root->appendNewControlValue(
        proc, Return, Origin(),
        root->appendNew<Value>(proc, Add, Origin(), valueA, valueB));

    CHECK(isIdentical(compileAndRun<double>(proc, a), a + b));
}

void testAddImmArgDouble(double a, double b)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    Value* valueA = root->appendNew<ConstDoubleValue>(proc, Origin(), a);
    Value* valueB = root->appendNew<ArgumentRegValue>(proc, Origin(), FPRInfo::argumentFPR0);
    root->appendNewControlValue(
        proc, Return, Origin(),
        root->appendNew<Value>(proc, Add, Origin(), valueA, valueB));

    CHECK(isIdentical(compileAndRun<double>(proc, b), a + b));
}

void testAddImmsDouble(double a, double b)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    Value* valueA = root->appendNew<ConstDoubleValue>(proc, Origin(), a);
    Value* valueB = root->appendNew<ConstDoubleValue>(proc, Origin(), b);
    root->appendNewControlValue(
        proc, Return, Origin(),
        root->appendNew<Value>(proc, Add, Origin(), valueA, valueB));

    CHECK(isIdentical(compileAndRun<double>(proc), a + b));
}

void testAddArgFloat(float a)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    Value* argument32 = root->appendNew<Value>(proc, Trunc, Origin(),
        root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0));
    Value* floatValue = root->appendNew<Value>(proc, BitwiseCast, Origin(), argument32);
    Value* result = root->appendNew<Value>(proc, Add, Origin(), floatValue, floatValue);
    Value* result32 = root->appendNew<Value>(proc, BitwiseCast, Origin(), result);
    root->appendNewControlValue(proc, Return, Origin(), result32);


    CHECK(isIdentical(compileAndRun<int32_t>(proc, bitwise_cast<int32_t>(a)), bitwise_cast<int32_t>(a + a)));
}

void testAddArgsFloat(float a, float b)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    Value* argument1int32 = root->appendNew<Value>(proc, Trunc, Origin(),
        root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0));
    Value* argument2int32 = root->appendNew<Value>(proc, Trunc, Origin(),
        root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR1));
    Value* floatValue1 = root->appendNew<Value>(proc, BitwiseCast, Origin(), argument1int32);
    Value* floatValue2 = root->appendNew<Value>(proc, BitwiseCast, Origin(), argument2int32);
    Value* result = root->appendNew<Value>(proc, Add, Origin(), floatValue1, floatValue2);
    Value* result32 = root->appendNew<Value>(proc, BitwiseCast, Origin(), result);
    root->appendNewControlValue(proc, Return, Origin(), result32);

    CHECK(isIdentical(compileAndRun<int32_t>(proc, bitwise_cast<int32_t>(a), bitwise_cast<int32_t>(b)), bitwise_cast<int32_t>(a + b)));
}

void testAddFPRArgsFloat(float a, float b)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    Value* argument1 = root->appendNew<Value>(proc, Trunc, Origin(),
        root->appendNew<ArgumentRegValue>(proc, Origin(), FPRInfo::argumentFPR0));
    Value* argument2 = root->appendNew<Value>(proc, Trunc, Origin(),
        root->appendNew<ArgumentRegValue>(proc, Origin(), FPRInfo::argumentFPR1));
    Value* result = root->appendNew<Value>(proc, Add, Origin(), argument1, argument2);
    root->appendNewControlValue(proc, Return, Origin(), result);

    CHECK(isIdentical(compileAndRun<float>(proc, a, b), a + b));
}

void testAddArgImmFloat(float a, float b)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    Value* argument32 = root->appendNew<Value>(proc, Trunc, Origin(),
        root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0));
    Value* floatValue = root->appendNew<Value>(proc, BitwiseCast, Origin(), argument32);
    Value* constValue = root->appendNew<ConstFloatValue>(proc, Origin(), b);
    Value* result = root->appendNew<Value>(proc, Add, Origin(), floatValue, constValue);
    Value* result32 = root->appendNew<Value>(proc, BitwiseCast, Origin(), result);
    root->appendNewControlValue(proc, Return, Origin(), result32);

    CHECK(isIdentical(compileAndRun<int32_t>(proc, bitwise_cast<int32_t>(a)), bitwise_cast<int32_t>(a + b)));
}

void testAddImmArgFloat(float a, float b)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    Value* argument32 = root->appendNew<Value>(proc, Trunc, Origin(),
        root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0));
    Value* floatValue = root->appendNew<Value>(proc, BitwiseCast, Origin(), argument32);
    Value* constValue = root->appendNew<ConstFloatValue>(proc, Origin(), a);
    Value* result = root->appendNew<Value>(proc, Add, Origin(), constValue, floatValue);
    Value* result32 = root->appendNew<Value>(proc, BitwiseCast, Origin(), result);
    root->appendNewControlValue(proc, Return, Origin(), result32);

    CHECK(isIdentical(compileAndRun<int32_t>(proc, bitwise_cast<int32_t>(b)), bitwise_cast<int32_t>(a + b)));
}

void testAddImmsFloat(float a, float b)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    Value* constValue1 = root->appendNew<ConstFloatValue>(proc, Origin(), a);
    Value* constValue2 = root->appendNew<ConstFloatValue>(proc, Origin(), b);
    Value* result = root->appendNew<Value>(proc, Add, Origin(), constValue1, constValue2);
    Value* result32 = root->appendNew<Value>(proc, BitwiseCast, Origin(), result);
    root->appendNewControlValue(proc, Return, Origin(), result32);

    CHECK(isIdentical(compileAndRun<int32_t>(proc), bitwise_cast<int32_t>(a + b)));
}

void testAddArgFloatWithUselessDoubleConversion(float a)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    Value* argumentInt32 = root->appendNew<Value>(proc, Trunc, Origin(),
        root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0));
    Value* floatValue = root->appendNew<Value>(proc, BitwiseCast, Origin(), argumentInt32);
    Value* asDouble = root->appendNew<Value>(proc, FloatToDouble, Origin(), floatValue);
    Value* result = root->appendNew<Value>(proc, Add, Origin(), asDouble, asDouble);
    Value* floatResult = root->appendNew<Value>(proc, DoubleToFloat, Origin(), result);
    Value* result32 = root->appendNew<Value>(proc, BitwiseCast, Origin(), floatResult);
    root->appendNewControlValue(proc, Return, Origin(), result32);

    CHECK(isIdentical(compileAndRun<int32_t>(proc, bitwise_cast<int32_t>(a)), bitwise_cast<int32_t>(a + a)));
}

void testAddArgsFloatWithUselessDoubleConversion(float a, float b)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    Value* argument1int32 = root->appendNew<Value>(proc, Trunc, Origin(),
        root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0));
    Value* argument2int32 = root->appendNew<Value>(proc, Trunc, Origin(),
        root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR1));
    Value* floatValue1 = root->appendNew<Value>(proc, BitwiseCast, Origin(), argument1int32);
    Value* floatValue2 = root->appendNew<Value>(proc, BitwiseCast, Origin(), argument2int32);
    Value* asDouble1 = root->appendNew<Value>(proc, FloatToDouble, Origin(), floatValue1);
    Value* asDouble2 = root->appendNew<Value>(proc, FloatToDouble, Origin(), floatValue2);
    Value* result = root->appendNew<Value>(proc, Add, Origin(), asDouble1, asDouble2);
    Value* floatResult = root->appendNew<Value>(proc, DoubleToFloat, Origin(), result);
    Value* result32 = root->appendNew<Value>(proc, BitwiseCast, Origin(), floatResult);
    root->appendNewControlValue(proc, Return, Origin(), result32);

    CHECK(isIdentical(compileAndRun<int32_t>(proc, bitwise_cast<int32_t>(a), bitwise_cast<int32_t>(b)), bitwise_cast<int32_t>(a + b)));
}

void testAddArgsFloatWithEffectfulDoubleConversion(float a, float b)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    Value* argument1int32 = root->appendNew<Value>(proc, Trunc, Origin(),
        root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0));
    Value* argument2int32 = root->appendNew<Value>(proc, Trunc, Origin(),
        root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR1));
    Value* floatValue1 = root->appendNew<Value>(proc, BitwiseCast, Origin(), argument1int32);
    Value* floatValue2 = root->appendNew<Value>(proc, BitwiseCast, Origin(), argument2int32);
    Value* asDouble1 = root->appendNew<Value>(proc, FloatToDouble, Origin(), floatValue1);
    Value* asDouble2 = root->appendNew<Value>(proc, FloatToDouble, Origin(), floatValue2);
    Value* result = root->appendNew<Value>(proc, Add, Origin(), asDouble1, asDouble2);
    Value* floatResult = root->appendNew<Value>(proc, DoubleToFloat, Origin(), result);
    Value* doubleAddress = root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR2);
    root->appendNew<MemoryValue>(proc, Store, Origin(), result, doubleAddress);
    Value* result32 = root->appendNew<Value>(proc, BitwiseCast, Origin(), floatResult);
    root->appendNewControlValue(proc, Return, Origin(), result32);

    double effect = 0;
    CHECK(isIdentical(compileAndRun<int32_t>(proc, bitwise_cast<int32_t>(a), bitwise_cast<int32_t>(b), &effect), bitwise_cast<int32_t>(a + b)));
    CHECK(isIdentical(effect, static_cast<double>(a) + static_cast<double>(b)));
}

void testMulArg(int a)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    Value* value = root->appendNew<Value>(
        proc, Trunc, Origin(), root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0));
    root->appendNewControlValue(
        proc, Return, Origin(),
        root->appendNew<Value>(proc, Mul, Origin(), value, value));

    CHECK(compileAndRun<int>(proc, a) == a * a);
}

void testMulArgStore(int a)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();

    int mulSlot;
    int valueSlot;
    
    Value* value = root->appendNew<Value>(
        proc, Trunc, Origin(),
        root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0));
    Value* mul = root->appendNew<Value>(proc, Mul, Origin(), value, value);

    root->appendNew<MemoryValue>(
        proc, Store, Origin(), value,
        root->appendNew<ConstPtrValue>(proc, Origin(), &valueSlot));
    root->appendNew<MemoryValue>(
        proc, Store, Origin(), mul,
        root->appendNew<ConstPtrValue>(proc, Origin(), &mulSlot));

    root->appendNewControlValue(
        proc, Return, Origin(), root->appendNew<Const32Value>(proc, Origin(), 0));

    CHECK(!compileAndRun<int>(proc, a));
    CHECK(mulSlot == a * a);
    CHECK(valueSlot == a);
}

void testMulAddArg(int a)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    Value* value = root->appendNew<Value>(
        proc, Trunc, Origin(),
        root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0));
    root->appendNewControlValue(
        proc, Return, Origin(),
        root->appendNew<Value>(
            proc, Add, Origin(),
            root->appendNew<Value>(proc, Mul, Origin(), value, value),
            value));

    CHECK(compileAndRun<int>(proc, a) == a * a + a);
}

void testMulArgs(int a, int b)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    root->appendNewControlValue(
        proc, Return, Origin(),
        root->appendNew<Value>(
            proc, Mul, Origin(),
            root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0),
            root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR1)));

    CHECK(compileAndRun<int>(proc, a, b) == a * b);
}

void testMulArgImm(int64_t a, int64_t b)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    root->appendNewControlValue(
        proc, Return, Origin(),
        root->appendNew<Value>(
            proc, Mul, Origin(),
            root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0),
            root->appendNew<Const64Value>(proc, Origin(), b)));

    CHECK(compileAndRun<int64_t>(proc, a) == a * b);
}

void testMulImmArg(int a, int b)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    root->appendNewControlValue(
        proc, Return, Origin(),
        root->appendNew<Value>(
            proc, Mul, Origin(),
            root->appendNew<Const64Value>(proc, Origin(), a),
            root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0)));

    CHECK(compileAndRun<int>(proc, b) == a * b);
}

void testMulArgs32(int a, int b)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    root->appendNewControlValue(
        proc, Return, Origin(),
        root->appendNew<Value>(
            proc, Mul, Origin(),
            root->appendNew<Value>(
                proc, Trunc, Origin(),
                root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0)),
            root->appendNew<Value>(
                proc, Trunc, Origin(),
                root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR1))));

    CHECK(compileAndRun<int>(proc, a, b) == a * b);
}

void testMulLoadTwice()
{
    auto test = [&] (unsigned optLevel) {
        Procedure proc;
        BasicBlock* root = proc.addBlock();
        int32_t value = 42;
        Value* load = root->appendNew<MemoryValue>(
            proc, Load, Int32, Origin(),
            root->appendNew<ConstPtrValue>(proc, Origin(), &value));
        root->appendNewControlValue(
            proc, Return, Origin(),
            root->appendNew<Value>(proc, Mul, Origin(), load, load));

        auto code = compile(proc, optLevel);
        CHECK(invoke<int32_t>(*code) == 42 * 42);
    };

    test(0);
    test(1);
}

void testMulAddArgsLeft()
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();

    Value* arg0 = root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0);
    Value* arg1 = root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR1);
    Value* arg2 = root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR2);
    Value* multiplied = root->appendNew<Value>(proc, Mul, Origin(), arg0, arg1);
    Value* added = root->appendNew<Value>(proc, Add, Origin(), multiplied, arg2);
    root->appendNewControlValue(proc, Return, Origin(), added);

    auto code = compile(proc);

    auto testValues = int64Operands();
    for (auto a : testValues) {
        for (auto b : testValues) {
            for (auto c : testValues) {
                CHECK(invoke<int64_t>(*code, a.value, b.value, c.value) == a.value * b.value + c.value);
            }
        }
    }
}

void testMulAddArgsRight()
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();

    Value* arg0 = root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0);
    Value* arg1 = root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR1);
    Value* arg2 = root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR2);
    Value* multiplied = root->appendNew<Value>(proc, Mul, Origin(), arg1, arg2);
    Value* added = root->appendNew<Value>(proc, Add, Origin(), arg0, multiplied);
    root->appendNewControlValue(proc, Return, Origin(), added);

    auto code = compile(proc);

    auto testValues = int64Operands();
    for (auto a : testValues) {
        for (auto b : testValues) {
            for (auto c : testValues) {
                CHECK(invoke<int64_t>(*code, a.value, b.value, c.value) == a.value + b.value * c.value);
            }
        }
    }
}

void testMulAddArgsLeft32()
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();

    Value* arg0 = root->appendNew<Value>(proc, Trunc, Origin(),
        root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0));
    Value* arg1 = root->appendNew<Value>(proc, Trunc, Origin(),
        root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR1));
    Value* arg2 = root->appendNew<Value>(proc, Trunc, Origin(),
        root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR2));
    Value* multiplied = root->appendNew<Value>(proc, Mul, Origin(), arg0, arg1);
    Value* added = root->appendNew<Value>(proc, Add, Origin(), multiplied, arg2);
    root->appendNewControlValue(proc, Return, Origin(), added);

    auto code = compile(proc);

    auto testValues = int32Operands();
    for (auto a : testValues) {
        for (auto b : testValues) {
            for (auto c : testValues) {
                CHECK(invoke<int32_t>(*code, a.value, b.value, c.value) == a.value * b.value + c.value);
            }
        }
    }
}

void testMulAddArgsRight32()
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();

    Value* arg0 = root->appendNew<Value>(proc, Trunc, Origin(),
        root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0));
    Value* arg1 = root->appendNew<Value>(proc, Trunc, Origin(),
        root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR1));
    Value* arg2 = root->appendNew<Value>(proc, Trunc, Origin(),
        root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR2));
    Value* multiplied = root->appendNew<Value>(proc, Mul, Origin(), arg1, arg2);
    Value* added = root->appendNew<Value>(proc, Add, Origin(), arg0, multiplied);
    root->appendNewControlValue(proc, Return, Origin(), added);

    auto code = compile(proc);

    auto testValues = int32Operands();
    for (auto a : testValues) {
        for (auto b : testValues) {
            for (auto c : testValues) {
                CHECK(invoke<int32_t>(*code, a.value, b.value, c.value) == a.value + b.value * c.value);
            }
        }
    }
}

void testMulSubArgsLeft()
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();

    Value* arg0 = root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0);
    Value* arg1 = root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR1);
    Value* arg2 = root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR2);
    Value* multiplied = root->appendNew<Value>(proc, Mul, Origin(), arg0, arg1);
    Value* added = root->appendNew<Value>(proc, Sub, Origin(), multiplied, arg2);
    root->appendNewControlValue(proc, Return, Origin(), added);

    auto code = compile(proc);

    auto testValues = int64Operands();
    for (auto a : testValues) {
        for (auto b : testValues) {
            for (auto c : testValues) {
                CHECK(invoke<int64_t>(*code, a.value, b.value, c.value) == a.value * b.value - c.value);
            }
        }
    }
}

void testMulSubArgsRight()
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();

    Value* arg0 = root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0);
    Value* arg1 = root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR1);
    Value* arg2 = root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR2);
    Value* multiplied = root->appendNew<Value>(proc, Mul, Origin(), arg1, arg2);
    Value* added = root->appendNew<Value>(proc, Sub, Origin(), arg0, multiplied);
    root->appendNewControlValue(proc, Return, Origin(), added);

    auto code = compile(proc);

    auto testValues = int64Operands();
    for (auto a : testValues) {
        for (auto b : testValues) {
            for (auto c : testValues) {
                CHECK(invoke<int64_t>(*code, a.value, b.value, c.value) == a.value - b.value * c.value);
            }
        }
    }
}

void testMulSubArgsLeft32()
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();

    Value* arg0 = root->appendNew<Value>(proc, Trunc, Origin(),
        root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0));
    Value* arg1 = root->appendNew<Value>(proc, Trunc, Origin(),
        root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR1));
    Value* arg2 = root->appendNew<Value>(proc, Trunc, Origin(),
        root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR2));
    Value* multiplied = root->appendNew<Value>(proc, Mul, Origin(), arg0, arg1);
    Value* added = root->appendNew<Value>(proc, Sub, Origin(), multiplied, arg2);
    root->appendNewControlValue(proc, Return, Origin(), added);

    auto code = compile(proc);

    auto testValues = int32Operands();
    for (auto a : testValues) {
        for (auto b : testValues) {
            for (auto c : testValues) {
                CHECK(invoke<int32_t>(*code, a.value, b.value, c.value) == a.value * b.value - c.value);
            }
        }
    }
}

void testMulSubArgsRight32()
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();

    Value* arg0 = root->appendNew<Value>(proc, Trunc, Origin(),
        root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0));
    Value* arg1 = root->appendNew<Value>(proc, Trunc, Origin(),
        root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR1));
    Value* arg2 = root->appendNew<Value>(proc, Trunc, Origin(),
        root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR2));
    Value* multiplied = root->appendNew<Value>(proc, Mul, Origin(), arg1, arg2);
    Value* added = root->appendNew<Value>(proc, Sub, Origin(), arg0, multiplied);
    root->appendNewControlValue(proc, Return, Origin(), added);

    auto code = compile(proc);

    auto testValues = int32Operands();
    for (auto a : testValues) {
        for (auto b : testValues) {
            for (auto c : testValues) {
                CHECK(invoke<int32_t>(*code, a.value, b.value, c.value) == a.value - b.value * c.value);
            }
        }
    }
}

void testMulNegArgs()
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();

    Value* arg0 = root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0);
    Value* arg1 = root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR1);
    Value* multiplied = root->appendNew<Value>(proc, Mul, Origin(), arg0, arg1);
    Value* zero = root->appendNew<Const64Value>(proc, Origin(), 0);
    Value* added = root->appendNew<Value>(proc, Sub, Origin(), zero, multiplied);
    root->appendNewControlValue(proc, Return, Origin(), added);

    auto code = compile(proc);

    auto testValues = int64Operands();
    for (auto a : testValues) {
        for (auto b : testValues) {
            CHECK(invoke<int64_t>(*code, a.value, b.value) == -(a.value * b.value));
        }
    }
}

void testMulNegArgs32()
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();

    Value* arg0 = root->appendNew<Value>(proc, Trunc, Origin(),
        root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0));
    Value* arg1 = root->appendNew<Value>(proc, Trunc, Origin(),
        root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR1));
    Value* multiplied = root->appendNew<Value>(proc, Mul, Origin(), arg0, arg1);
    Value* zero = root->appendNew<Const32Value>(proc, Origin(), 0);
    Value* added = root->appendNew<Value>(proc, Sub, Origin(), zero, multiplied);
    root->appendNewControlValue(proc, Return, Origin(), added);

    auto code = compile(proc);

    auto testValues = int32Operands();
    for (auto a : testValues) {
        for (auto b : testValues) {
            CHECK(invoke<int32_t>(*code, a.value, b.value) == -(a.value * b.value));
        }
    }
}

void testMulArgDouble(double a)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    Value* value = root->appendNew<ArgumentRegValue>(proc, Origin(), FPRInfo::argumentFPR0);
    root->appendNewControlValue(
        proc, Return, Origin(),
        root->appendNew<Value>(proc, Mul, Origin(), value, value));

    CHECK(isIdentical(compileAndRun<double>(proc, a), a * a));
}

void testMulArgsDouble(double a, double b)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    Value* valueA = root->appendNew<ArgumentRegValue>(proc, Origin(), FPRInfo::argumentFPR0);
    Value* valueB = root->appendNew<ArgumentRegValue>(proc, Origin(), FPRInfo::argumentFPR1);
    root->appendNewControlValue(
        proc, Return, Origin(),
        root->appendNew<Value>(proc, Mul, Origin(), valueA, valueB));

    CHECK(isIdentical(compileAndRun<double>(proc, a, b), a * b));
}

void testMulArgImmDouble(double a, double b)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    Value* valueA = root->appendNew<ArgumentRegValue>(proc, Origin(), FPRInfo::argumentFPR0);
    Value* valueB = root->appendNew<ConstDoubleValue>(proc, Origin(), b);
    root->appendNewControlValue(
        proc, Return, Origin(),
        root->appendNew<Value>(proc, Mul, Origin(), valueA, valueB));

    CHECK(isIdentical(compileAndRun<double>(proc, a), a * b));
}

void testMulImmArgDouble(double a, double b)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    Value* valueA = root->appendNew<ConstDoubleValue>(proc, Origin(), a);
    Value* valueB = root->appendNew<ArgumentRegValue>(proc, Origin(), FPRInfo::argumentFPR0);
    root->appendNewControlValue(
        proc, Return, Origin(),
        root->appendNew<Value>(proc, Mul, Origin(), valueA, valueB));

    CHECK(isIdentical(compileAndRun<double>(proc, b), a * b));
}

void testMulImmsDouble(double a, double b)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    Value* valueA = root->appendNew<ConstDoubleValue>(proc, Origin(), a);
    Value* valueB = root->appendNew<ConstDoubleValue>(proc, Origin(), b);
    root->appendNewControlValue(
        proc, Return, Origin(),
        root->appendNew<Value>(proc, Mul, Origin(), valueA, valueB));

    CHECK(isIdentical(compileAndRun<double>(proc), a * b));
}

void testMulArgFloat(float a)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    Value* argument32 = root->appendNew<Value>(proc, Trunc, Origin(),
        root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0));
    Value* floatValue = root->appendNew<Value>(proc, BitwiseCast, Origin(), argument32);
    Value* result = root->appendNew<Value>(proc, Mul, Origin(), floatValue, floatValue);
    Value* result32 = root->appendNew<Value>(proc, BitwiseCast, Origin(), result);
    root->appendNewControlValue(proc, Return, Origin(), result32);


    CHECK(isIdentical(compileAndRun<int32_t>(proc, bitwise_cast<int32_t>(a)), bitwise_cast<int32_t>(a * a)));
}

void testMulArgsFloat(float a, float b)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    Value* argument1int32 = root->appendNew<Value>(proc, Trunc, Origin(),
        root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0));
    Value* argument2int32 = root->appendNew<Value>(proc, Trunc, Origin(),
        root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR1));
    Value* floatValue1 = root->appendNew<Value>(proc, BitwiseCast, Origin(), argument1int32);
    Value* floatValue2 = root->appendNew<Value>(proc, BitwiseCast, Origin(), argument2int32);
    Value* result = root->appendNew<Value>(proc, Mul, Origin(), floatValue1, floatValue2);
    Value* result32 = root->appendNew<Value>(proc, BitwiseCast, Origin(), result);
    root->appendNewControlValue(proc, Return, Origin(), result32);

    CHECK(isIdentical(compileAndRun<int32_t>(proc, bitwise_cast<int32_t>(a), bitwise_cast<int32_t>(b)), bitwise_cast<int32_t>(a * b)));
}

void testMulArgImmFloat(float a, float b)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    Value* argument32 = root->appendNew<Value>(proc, Trunc, Origin(),
        root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0));
    Value* floatValue = root->appendNew<Value>(proc, BitwiseCast, Origin(), argument32);
    Value* constValue = root->appendNew<ConstFloatValue>(proc, Origin(), b);
    Value* result = root->appendNew<Value>(proc, Mul, Origin(), floatValue, constValue);
    Value* result32 = root->appendNew<Value>(proc, BitwiseCast, Origin(), result);
    root->appendNewControlValue(proc, Return, Origin(), result32);

    CHECK(isIdentical(compileAndRun<int32_t>(proc, bitwise_cast<int32_t>(a)), bitwise_cast<int32_t>(a * b)));
}

void testMulImmArgFloat(float a, float b)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    Value* argument32 = root->appendNew<Value>(proc, Trunc, Origin(),
        root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0));
    Value* floatValue = root->appendNew<Value>(proc, BitwiseCast, Origin(), argument32);
    Value* constValue = root->appendNew<ConstFloatValue>(proc, Origin(), a);
    Value* result = root->appendNew<Value>(proc, Mul, Origin(), constValue, floatValue);
    Value* result32 = root->appendNew<Value>(proc, BitwiseCast, Origin(), result);
    root->appendNewControlValue(proc, Return, Origin(), result32);

    CHECK(isIdentical(compileAndRun<int32_t>(proc, bitwise_cast<int32_t>(b)), bitwise_cast<int32_t>(a * b)));
}

void testMulImmsFloat(float a, float b)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    Value* constValue1 = root->appendNew<ConstFloatValue>(proc, Origin(), a);
    Value* constValue2 = root->appendNew<ConstFloatValue>(proc, Origin(), b);
    Value* result = root->appendNew<Value>(proc, Mul, Origin(), constValue1, constValue2);
    Value* result32 = root->appendNew<Value>(proc, BitwiseCast, Origin(), result);
    root->appendNewControlValue(proc, Return, Origin(), result32);

    CHECK(isIdentical(compileAndRun<int32_t>(proc), bitwise_cast<int32_t>(a * b)));
}

void testMulArgFloatWithUselessDoubleConversion(float a)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    Value* argumentInt32 = root->appendNew<Value>(proc, Trunc, Origin(),
        root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0));
    Value* floatValue = root->appendNew<Value>(proc, BitwiseCast, Origin(), argumentInt32);
    Value* asDouble = root->appendNew<Value>(proc, FloatToDouble, Origin(), floatValue);
    Value* result = root->appendNew<Value>(proc, Mul, Origin(), asDouble, asDouble);
    Value* floatResult = root->appendNew<Value>(proc, DoubleToFloat, Origin(), result);
    Value* result32 = root->appendNew<Value>(proc, BitwiseCast, Origin(), floatResult);
    root->appendNewControlValue(proc, Return, Origin(), result32);

    CHECK(isIdentical(compileAndRun<int32_t>(proc, bitwise_cast<int32_t>(a)), bitwise_cast<int32_t>(a * a)));
}

void testMulArgsFloatWithUselessDoubleConversion(float a, float b)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    Value* argument1int32 = root->appendNew<Value>(proc, Trunc, Origin(),
        root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0));
    Value* argument2int32 = root->appendNew<Value>(proc, Trunc, Origin(),
        root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR1));
    Value* floatValue1 = root->appendNew<Value>(proc, BitwiseCast, Origin(), argument1int32);
    Value* floatValue2 = root->appendNew<Value>(proc, BitwiseCast, Origin(), argument2int32);
    Value* asDouble1 = root->appendNew<Value>(proc, FloatToDouble, Origin(), floatValue1);
    Value* asDouble2 = root->appendNew<Value>(proc, FloatToDouble, Origin(), floatValue2);
    Value* result = root->appendNew<Value>(proc, Mul, Origin(), asDouble1, asDouble2);
    Value* floatResult = root->appendNew<Value>(proc, DoubleToFloat, Origin(), result);
    Value* result32 = root->appendNew<Value>(proc, BitwiseCast, Origin(), floatResult);
    root->appendNewControlValue(proc, Return, Origin(), result32);

    CHECK(isIdentical(compileAndRun<int32_t>(proc, bitwise_cast<int32_t>(a), bitwise_cast<int32_t>(b)), bitwise_cast<int32_t>(a * b)));
}

void testMulArgsFloatWithEffectfulDoubleConversion(float a, float b)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    Value* argument1int32 = root->appendNew<Value>(proc, Trunc, Origin(),
        root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0));
    Value* argument2int32 = root->appendNew<Value>(proc, Trunc, Origin(),
        root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR1));
    Value* floatValue1 = root->appendNew<Value>(proc, BitwiseCast, Origin(), argument1int32);
    Value* floatValue2 = root->appendNew<Value>(proc, BitwiseCast, Origin(), argument2int32);
    Value* asDouble1 = root->appendNew<Value>(proc, FloatToDouble, Origin(), floatValue1);
    Value* asDouble2 = root->appendNew<Value>(proc, FloatToDouble, Origin(), floatValue2);
    Value* result = root->appendNew<Value>(proc, Mul, Origin(), asDouble1, asDouble2);
    Value* floatResult = root->appendNew<Value>(proc, DoubleToFloat, Origin(), result);
    Value* doubleMulress = root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR2);
    root->appendNew<MemoryValue>(proc, Store, Origin(), result, doubleMulress);
    Value* result32 = root->appendNew<Value>(proc, BitwiseCast, Origin(), floatResult);
    root->appendNewControlValue(proc, Return, Origin(), result32);

    double effect = 0;
    CHECK(isIdentical(compileAndRun<int32_t>(proc, bitwise_cast<int32_t>(a), bitwise_cast<int32_t>(b), &effect), bitwise_cast<int32_t>(a * b)));
    CHECK(isIdentical(effect, static_cast<double>(a) * static_cast<double>(b)));
}

void testDivArgDouble(double a)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    Value* value = root->appendNew<ArgumentRegValue>(proc, Origin(), FPRInfo::argumentFPR0);
    root->appendNewControlValue(
        proc, Return, Origin(),
        root->appendNew<Value>(proc, Div, Origin(), value, value));

    CHECK(isIdentical(compileAndRun<double>(proc, a), a / a));
}

void testDivArgsDouble(double a, double b)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    Value* valueA = root->appendNew<ArgumentRegValue>(proc, Origin(), FPRInfo::argumentFPR0);
    Value* valueB = root->appendNew<ArgumentRegValue>(proc, Origin(), FPRInfo::argumentFPR1);
    root->appendNewControlValue(
        proc, Return, Origin(),
        root->appendNew<Value>(proc, Div, Origin(), valueA, valueB));

    CHECK(isIdentical(compileAndRun<double>(proc, a, b), a / b));
}

void testDivArgImmDouble(double a, double b)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    Value* valueA = root->appendNew<ArgumentRegValue>(proc, Origin(), FPRInfo::argumentFPR0);
    Value* valueB = root->appendNew<ConstDoubleValue>(proc, Origin(), b);
    root->appendNewControlValue(
        proc, Return, Origin(),
        root->appendNew<Value>(proc, Div, Origin(), valueA, valueB));

    CHECK(isIdentical(compileAndRun<double>(proc, a), a / b));
}

void testDivImmArgDouble(double a, double b)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    Value* valueA = root->appendNew<ConstDoubleValue>(proc, Origin(), a);
    Value* valueB = root->appendNew<ArgumentRegValue>(proc, Origin(), FPRInfo::argumentFPR0);
    root->appendNewControlValue(
        proc, Return, Origin(),
        root->appendNew<Value>(proc, Div, Origin(), valueA, valueB));

    CHECK(isIdentical(compileAndRun<double>(proc, b), a / b));
}

void testDivImmsDouble(double a, double b)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    Value* valueA = root->appendNew<ConstDoubleValue>(proc, Origin(), a);
    Value* valueB = root->appendNew<ConstDoubleValue>(proc, Origin(), b);
    root->appendNewControlValue(
        proc, Return, Origin(),
        root->appendNew<Value>(proc, Div, Origin(), valueA, valueB));

    CHECK(isIdentical(compileAndRun<double>(proc), a / b));
}

void testDivArgFloat(float a)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    Value* argument32 = root->appendNew<Value>(proc, Trunc, Origin(),
        root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0));
    Value* floatValue = root->appendNew<Value>(proc, BitwiseCast, Origin(), argument32);
    Value* result = root->appendNew<Value>(proc, Div, Origin(), floatValue, floatValue);
    Value* result32 = root->appendNew<Value>(proc, BitwiseCast, Origin(), result);
    root->appendNewControlValue(proc, Return, Origin(), result32);


    CHECK(isIdentical(compileAndRun<int32_t>(proc, bitwise_cast<int32_t>(a)), bitwise_cast<int32_t>(a / a)));
}

void testDivArgsFloat(float a, float b)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    Value* argument1int32 = root->appendNew<Value>(proc, Trunc, Origin(),
        root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0));
    Value* argument2int32 = root->appendNew<Value>(proc, Trunc, Origin(),
        root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR1));
    Value* floatValue1 = root->appendNew<Value>(proc, BitwiseCast, Origin(), argument1int32);
    Value* floatValue2 = root->appendNew<Value>(proc, BitwiseCast, Origin(), argument2int32);
    Value* result = root->appendNew<Value>(proc, Div, Origin(), floatValue1, floatValue2);
    Value* result32 = root->appendNew<Value>(proc, BitwiseCast, Origin(), result);
    root->appendNewControlValue(proc, Return, Origin(), result32);

    CHECK(isIdentical(compileAndRun<int32_t>(proc, bitwise_cast<int32_t>(a), bitwise_cast<int32_t>(b)), bitwise_cast<int32_t>(a / b)));
}

void testDivArgImmFloat(float a, float b)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    Value* argument32 = root->appendNew<Value>(proc, Trunc, Origin(),
        root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0));
    Value* floatValue = root->appendNew<Value>(proc, BitwiseCast, Origin(), argument32);
    Value* constValue = root->appendNew<ConstFloatValue>(proc, Origin(), b);
    Value* result = root->appendNew<Value>(proc, Div, Origin(), floatValue, constValue);
    Value* result32 = root->appendNew<Value>(proc, BitwiseCast, Origin(), result);
    root->appendNewControlValue(proc, Return, Origin(), result32);

    CHECK(isIdentical(compileAndRun<int32_t>(proc, bitwise_cast<int32_t>(a)), bitwise_cast<int32_t>(a / b)));
}

void testDivImmArgFloat(float a, float b)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    Value* argument32 = root->appendNew<Value>(proc, Trunc, Origin(),
        root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0));
    Value* floatValue = root->appendNew<Value>(proc, BitwiseCast, Origin(), argument32);
    Value* constValue = root->appendNew<ConstFloatValue>(proc, Origin(), a);
    Value* result = root->appendNew<Value>(proc, Div, Origin(), constValue, floatValue);
    Value* result32 = root->appendNew<Value>(proc, BitwiseCast, Origin(), result);
    root->appendNewControlValue(proc, Return, Origin(), result32);

    CHECK(isIdentical(compileAndRun<int32_t>(proc, bitwise_cast<int32_t>(b)), bitwise_cast<int32_t>(a / b)));
}

void testDivImmsFloat(float a, float b)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    Value* constValue1 = root->appendNew<ConstFloatValue>(proc, Origin(), a);
    Value* constValue2 = root->appendNew<ConstFloatValue>(proc, Origin(), b);
    Value* result = root->appendNew<Value>(proc, Div, Origin(), constValue1, constValue2);
    Value* result32 = root->appendNew<Value>(proc, BitwiseCast, Origin(), result);
    root->appendNewControlValue(proc, Return, Origin(), result32);

    CHECK(isIdentical(compileAndRun<int32_t>(proc), bitwise_cast<int32_t>(a / b)));
}

void testModArgDouble(double a)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    Value* value = root->appendNew<ArgumentRegValue>(proc, Origin(), FPRInfo::argumentFPR0);
    root->appendNewControlValue(
        proc, Return, Origin(),
        root->appendNew<Value>(proc, Mod, Origin(), value, value));

    CHECK(isIdentical(compileAndRun<double>(proc, a), fmod(a, a)));
}

void testModArgsDouble(double a, double b)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    Value* valueA = root->appendNew<ArgumentRegValue>(proc, Origin(), FPRInfo::argumentFPR0);
    Value* valueB = root->appendNew<ArgumentRegValue>(proc, Origin(), FPRInfo::argumentFPR1);
    root->appendNewControlValue(
        proc, Return, Origin(),
        root->appendNew<Value>(proc, Mod, Origin(), valueA, valueB));

    CHECK(isIdentical(compileAndRun<double>(proc, a, b), fmod(a, b)));
}

void testModArgImmDouble(double a, double b)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    Value* valueA = root->appendNew<ArgumentRegValue>(proc, Origin(), FPRInfo::argumentFPR0);
    Value* valueB = root->appendNew<ConstDoubleValue>(proc, Origin(), b);
    root->appendNewControlValue(
        proc, Return, Origin(),
        root->appendNew<Value>(proc, Mod, Origin(), valueA, valueB));

    CHECK(isIdentical(compileAndRun<double>(proc, a), fmod(a, b)));
}

void testModImmArgDouble(double a, double b)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    Value* valueA = root->appendNew<ConstDoubleValue>(proc, Origin(), a);
    Value* valueB = root->appendNew<ArgumentRegValue>(proc, Origin(), FPRInfo::argumentFPR0);
    root->appendNewControlValue(
        proc, Return, Origin(),
        root->appendNew<Value>(proc, Mod, Origin(), valueA, valueB));

    CHECK(isIdentical(compileAndRun<double>(proc, b), fmod(a, b)));
}

void testModImmsDouble(double a, double b)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    Value* valueA = root->appendNew<ConstDoubleValue>(proc, Origin(), a);
    Value* valueB = root->appendNew<ConstDoubleValue>(proc, Origin(), b);
    root->appendNewControlValue(
        proc, Return, Origin(),
        root->appendNew<Value>(proc, Mod, Origin(), valueA, valueB));

    CHECK(isIdentical(compileAndRun<double>(proc), fmod(a, b)));
}

void testModArgFloat(float a)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    Value* argument32 = root->appendNew<Value>(proc, Trunc, Origin(),
        root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0));
    Value* floatValue = root->appendNew<Value>(proc, BitwiseCast, Origin(), argument32);
    Value* result = root->appendNew<Value>(proc, Mod, Origin(), floatValue, floatValue);
    Value* result32 = root->appendNew<Value>(proc, BitwiseCast, Origin(), result);
    root->appendNewControlValue(proc, Return, Origin(), result32);


    CHECK(isIdentical(compileAndRun<int32_t>(proc, bitwise_cast<int32_t>(a)), bitwise_cast<int32_t>(static_cast<float>(fmod(a, a)))));
}

void testModArgsFloat(float a, float b)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    Value* argument1int32 = root->appendNew<Value>(proc, Trunc, Origin(),
        root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0));
    Value* argument2int32 = root->appendNew<Value>(proc, Trunc, Origin(),
        root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR1));
    Value* floatValue1 = root->appendNew<Value>(proc, BitwiseCast, Origin(), argument1int32);
    Value* floatValue2 = root->appendNew<Value>(proc, BitwiseCast, Origin(), argument2int32);
    Value* result = root->appendNew<Value>(proc, Mod, Origin(), floatValue1, floatValue2);
    Value* result32 = root->appendNew<Value>(proc, BitwiseCast, Origin(), result);
    root->appendNewControlValue(proc, Return, Origin(), result32);

    CHECK(isIdentical(compileAndRun<int32_t>(proc, bitwise_cast<int32_t>(a), bitwise_cast<int32_t>(b)), bitwise_cast<int32_t>(static_cast<float>(fmod(a, b)))));
}

void testModArgImmFloat(float a, float b)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    Value* argument32 = root->appendNew<Value>(proc, Trunc, Origin(),
        root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0));
    Value* floatValue = root->appendNew<Value>(proc, BitwiseCast, Origin(), argument32);
    Value* constValue = root->appendNew<ConstFloatValue>(proc, Origin(), b);
    Value* result = root->appendNew<Value>(proc, Mod, Origin(), floatValue, constValue);
    Value* result32 = root->appendNew<Value>(proc, BitwiseCast, Origin(), result);
    root->appendNewControlValue(proc, Return, Origin(), result32);

    CHECK(isIdentical(compileAndRun<int32_t>(proc, bitwise_cast<int32_t>(a)), bitwise_cast<int32_t>(static_cast<float>(fmod(a, b)))));
}

void testModImmArgFloat(float a, float b)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    Value* argument32 = root->appendNew<Value>(proc, Trunc, Origin(),
        root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0));
    Value* floatValue = root->appendNew<Value>(proc, BitwiseCast, Origin(), argument32);
    Value* constValue = root->appendNew<ConstFloatValue>(proc, Origin(), a);
    Value* result = root->appendNew<Value>(proc, Mod, Origin(), constValue, floatValue);
    Value* result32 = root->appendNew<Value>(proc, BitwiseCast, Origin(), result);
    root->appendNewControlValue(proc, Return, Origin(), result32);

    CHECK(isIdentical(compileAndRun<int32_t>(proc, bitwise_cast<int32_t>(b)), bitwise_cast<int32_t>(static_cast<float>(fmod(a, b)))));
}

void testModImmsFloat(float a, float b)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    Value* constValue1 = root->appendNew<ConstFloatValue>(proc, Origin(), a);
    Value* constValue2 = root->appendNew<ConstFloatValue>(proc, Origin(), b);
    Value* result = root->appendNew<Value>(proc, Mod, Origin(), constValue1, constValue2);
    Value* result32 = root->appendNew<Value>(proc, BitwiseCast, Origin(), result);
    root->appendNewControlValue(proc, Return, Origin(), result32);

    CHECK(isIdentical(compileAndRun<int32_t>(proc), bitwise_cast<int32_t>(static_cast<float>(fmod(a, b)))));
}

void testDivArgFloatWithUselessDoubleConversion(float a)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    Value* argumentInt32 = root->appendNew<Value>(proc, Trunc, Origin(),
        root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0));
    Value* floatValue = root->appendNew<Value>(proc, BitwiseCast, Origin(), argumentInt32);
    Value* asDouble = root->appendNew<Value>(proc, FloatToDouble, Origin(), floatValue);
    Value* result = root->appendNew<Value>(proc, Div, Origin(), asDouble, asDouble);
    Value* floatResult = root->appendNew<Value>(proc, DoubleToFloat, Origin(), result);
    Value* result32 = root->appendNew<Value>(proc, BitwiseCast, Origin(), floatResult);
    root->appendNewControlValue(proc, Return, Origin(), result32);

    CHECK(isIdentical(compileAndRun<int32_t>(proc, bitwise_cast<int32_t>(a)), bitwise_cast<int32_t>(a / a)));
}

void testDivArgsFloatWithUselessDoubleConversion(float a, float b)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    Value* argument1int32 = root->appendNew<Value>(proc, Trunc, Origin(),
        root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0));
    Value* argument2int32 = root->appendNew<Value>(proc, Trunc, Origin(),
        root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR1));
    Value* floatValue1 = root->appendNew<Value>(proc, BitwiseCast, Origin(), argument1int32);
    Value* floatValue2 = root->appendNew<Value>(proc, BitwiseCast, Origin(), argument2int32);
    Value* asDouble1 = root->appendNew<Value>(proc, FloatToDouble, Origin(), floatValue1);
    Value* asDouble2 = root->appendNew<Value>(proc, FloatToDouble, Origin(), floatValue2);
    Value* result = root->appendNew<Value>(proc, Div, Origin(), asDouble1, asDouble2);
    Value* floatResult = root->appendNew<Value>(proc, DoubleToFloat, Origin(), result);
    Value* result32 = root->appendNew<Value>(proc, BitwiseCast, Origin(), floatResult);
    root->appendNewControlValue(proc, Return, Origin(), result32);

    CHECK(isIdentical(compileAndRun<int32_t>(proc, bitwise_cast<int32_t>(a), bitwise_cast<int32_t>(b)), bitwise_cast<int32_t>(a / b)));
}

void testDivArgsFloatWithEffectfulDoubleConversion(float a, float b)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    Value* argument1int32 = root->appendNew<Value>(proc, Trunc, Origin(),
        root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0));
    Value* argument2int32 = root->appendNew<Value>(proc, Trunc, Origin(),
        root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR1));
    Value* floatValue1 = root->appendNew<Value>(proc, BitwiseCast, Origin(), argument1int32);
    Value* floatValue2 = root->appendNew<Value>(proc, BitwiseCast, Origin(), argument2int32);
    Value* asDouble1 = root->appendNew<Value>(proc, FloatToDouble, Origin(), floatValue1);
    Value* asDouble2 = root->appendNew<Value>(proc, FloatToDouble, Origin(), floatValue2);
    Value* result = root->appendNew<Value>(proc, Div, Origin(), asDouble1, asDouble2);
    Value* floatResult = root->appendNew<Value>(proc, DoubleToFloat, Origin(), result);
    Value* doubleDivress = root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR2);
    root->appendNew<MemoryValue>(proc, Store, Origin(), result, doubleDivress);
    Value* result32 = root->appendNew<Value>(proc, BitwiseCast, Origin(), floatResult);
    root->appendNewControlValue(proc, Return, Origin(), result32);

    double effect = 0;
    CHECK(isIdentical(compileAndRun<int32_t>(proc, bitwise_cast<int32_t>(a), bitwise_cast<int32_t>(b), &effect), bitwise_cast<int32_t>(a / b)));
    CHECK(isIdentical(effect, static_cast<double>(a) / static_cast<double>(b)));
}

void testSubArg(int a)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    Value* value = root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0);
    root->appendNewControlValue(
        proc, Return, Origin(),
        root->appendNew<Value>(proc, Sub, Origin(), value, value));

    CHECK(!compileAndRun<int>(proc, a));
}

void testSubArgs(int a, int b)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    root->appendNewControlValue(
        proc, Return, Origin(),
        root->appendNew<Value>(
            proc, Sub, Origin(),
            root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0),
            root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR1)));

    CHECK(compileAndRun<int>(proc, a, b) == a - b);
}

void testSubArgImm(int64_t a, int64_t b)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    root->appendNewControlValue(
        proc, Return, Origin(),
        root->appendNew<Value>(
            proc, Sub, Origin(),
            root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0),
            root->appendNew<Const64Value>(proc, Origin(), b)));

    CHECK(compileAndRun<int64_t>(proc, a) == a - b);
}

void testNegValueSubOne(int a)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    Value* argument = root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0);
    Value* negArgument = root->appendNew<Value>(proc, Sub, Origin(),
        root->appendNew<Const64Value>(proc, Origin(), 0),
        argument);
    Value* negArgumentMinusOne = root->appendNew<Value>(proc, Sub, Origin(),
        negArgument,
        root->appendNew<Const64Value>(proc, Origin(), 1));
    root->appendNewControlValue(proc, Return, Origin(), negArgumentMinusOne);
    CHECK(compileAndRun<int>(proc, a) == -a - 1);
}

void testSubImmArg(int a, int b)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    root->appendNewControlValue(
        proc, Return, Origin(),
        root->appendNew<Value>(
            proc, Sub, Origin(),
            root->appendNew<Const64Value>(proc, Origin(), a),
            root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0)));

    CHECK(compileAndRun<int>(proc, b) == a - b);
}

void testSubArgMem(int64_t a, int64_t b)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    Value* address = root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR1);
    MemoryValue* load = root->appendNew<MemoryValue>(proc, Load, Int64, Origin(), address);
    Value* result = root->appendNew<Value>(proc, Sub, Origin(),
        root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0),
        load);
    root->appendNewControlValue(proc, Return, Origin(), result);

    CHECK(compileAndRun<int64_t>(proc, a, &b) == a - b);
}

void testSubMemArg(int64_t a, int64_t b)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    Value* address = root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0);
    MemoryValue* load = root->appendNew<MemoryValue>(proc, Load, Int64, Origin(), address);
    Value* result = root->appendNew<Value>(proc, Sub, Origin(),
        load,
        root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR1));
    root->appendNew<MemoryValue>(proc, Store, Origin(), result, address);
    root->appendNewControlValue(proc, Return, Origin(), root->appendNew<Const32Value>(proc, Origin(), 0));

    int64_t inputOutput = a;
    CHECK(!compileAndRun<int64_t>(proc, &inputOutput, b));
    CHECK(inputOutput == a - b);
}

void testSubImmMem(int64_t a, int64_t b)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    Value* address = root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0);
    MemoryValue* load = root->appendNew<MemoryValue>(proc, Load, Int64, Origin(), address);
    Value* result = root->appendNew<Value>(proc, Sub, Origin(),
        root->appendNew<Const64Value>(proc, Origin(), a),
        load);
    root->appendNew<MemoryValue>(proc, Store, Origin(), result, address);
    root->appendNewControlValue(proc, Return, Origin(), root->appendNew<Const32Value>(proc, Origin(), 0));

    int64_t inputOutput = b;
    CHECK(!compileAndRun<int>(proc, &inputOutput));
    CHECK(inputOutput == a - b);
}

void testSubMemImm(int64_t a, int64_t b)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    Value* address = root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0);
    MemoryValue* load = root->appendNew<MemoryValue>(proc, Load, Int64, Origin(), address);
    Value* result = root->appendNew<Value>(proc, Sub, Origin(),
        load,
        root->appendNew<Const64Value>(proc, Origin(), b));
    root->appendNew<MemoryValue>(proc, Store, Origin(), result, address);
    root->appendNewControlValue(proc, Return, Origin(), root->appendNew<Const32Value>(proc, Origin(), 0));

    int64_t inputOutput = a;
    CHECK(!compileAndRun<int>(proc, &inputOutput));
    CHECK(inputOutput == a - b);
}


void testSubArgs32(int a, int b)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    root->appendNewControlValue(
        proc, Return, Origin(),
        root->appendNew<Value>(
            proc, Sub, Origin(),
            root->appendNew<Value>(
                proc, Trunc, Origin(),
                root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0)),
            root->appendNew<Value>(
                proc, Trunc, Origin(),
                root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR1))));

    CHECK(compileAndRun<int>(proc, a, b) == a - b);
}

void testSubArgImm32(int a, int b)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    root->appendNewControlValue(
        proc, Return, Origin(),
        root->appendNew<Value>(
            proc, Sub, Origin(),
            root->appendNew<Value>(
                proc, Trunc, Origin(),
                root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0)),
            root->appendNew<Const32Value>(proc, Origin(), b)));

    CHECK(compileAndRun<int>(proc, a) == a - b);
}

void testSubImmArg32(int a, int b)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    root->appendNewControlValue(
        proc, Return, Origin(),
        root->appendNew<Value>(
            proc, Sub, Origin(),
            root->appendNew<Const32Value>(proc, Origin(), a),
            root->appendNew<Value>(
                proc, Trunc, Origin(),
                root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0))));

    CHECK(compileAndRun<int>(proc, b) == a - b);
}

void testSubMemArg32(int32_t a, int32_t b)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    Value* address = root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0);
    MemoryValue* load = root->appendNew<MemoryValue>(proc, Load, Int32, Origin(), address);
    Value* argument = root->appendNew<Value>(proc, Trunc, Origin(),
        root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR1));
    Value* result = root->appendNew<Value>(proc, Sub, Origin(), load, argument);
    root->appendNew<MemoryValue>(proc, Store, Origin(), result, address);
    root->appendNewControlValue(proc, Return, Origin(), root->appendNew<Const32Value>(proc, Origin(), 0));

    int32_t inputOutput = a;
    CHECK(!compileAndRun<int32_t>(proc, &inputOutput, b));
    CHECK(inputOutput == a - b);
}

void testSubArgMem32(int32_t a, int32_t b)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    Value* address = root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR1);
    MemoryValue* load = root->appendNew<MemoryValue>(proc, Load, Int32, Origin(), address);
    Value* argument = root->appendNew<Value>(proc, Trunc, Origin(),
        root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0));
    Value* result = root->appendNew<Value>(proc, Sub, Origin(), argument, load);
    root->appendNewControlValue(proc, Return, Origin(), result);

    CHECK(compileAndRun<int32_t>(proc, a, &b) == a - b);
}

void testSubImmMem32(int32_t a, int32_t b)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    Value* address = root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0);
    MemoryValue* load = root->appendNew<MemoryValue>(proc, Load, Int32, Origin(), address);
    Value* result = root->appendNew<Value>(proc, Sub, Origin(),
        root->appendNew<Const32Value>(proc, Origin(), a),
        load);
    root->appendNew<MemoryValue>(proc, Store, Origin(), result, address);
    root->appendNewControlValue(proc, Return, Origin(), root->appendNew<Const32Value>(proc, Origin(), 0));

    int32_t inputOutput = b;
    CHECK(!compileAndRun<int>(proc, &inputOutput));
    CHECK(inputOutput == a - b);
}

void testSubMemImm32(int32_t a, int32_t b)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    Value* address = root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0);
    MemoryValue* load = root->appendNew<MemoryValue>(proc, Load, Int32, Origin(), address);
    Value* result = root->appendNew<Value>(proc, Sub, Origin(),
        load,
        root->appendNew<Const32Value>(proc, Origin(), b));
    root->appendNew<MemoryValue>(proc, Store, Origin(), result, address);
    root->appendNewControlValue(proc, Return, Origin(), root->appendNew<Const32Value>(proc, Origin(), 0));

    int32_t inputOutput = a;
    CHECK(!compileAndRun<int>(proc, &inputOutput));
    CHECK(inputOutput == a - b);
}

void testNegValueSubOne32(int a)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    Value* argument = root->appendNew<Value>(proc, Trunc, Origin(),
        root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0));
    Value* negArgument = root->appendNew<Value>(proc, Sub, Origin(),
        root->appendNew<Const32Value>(proc, Origin(), 0),
        argument);
    Value* negArgumentMinusOne = root->appendNew<Value>(proc, Sub, Origin(),
        negArgument,
        root->appendNew<Const32Value>(proc, Origin(), 1));
    root->appendNewControlValue(proc, Return, Origin(), negArgumentMinusOne);
    CHECK(compileAndRun<int>(proc, a) == -a - 1);
}

void testSubArgDouble(double a)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    Value* value = root->appendNew<ArgumentRegValue>(proc, Origin(), FPRInfo::argumentFPR0);
    root->appendNewControlValue(
        proc, Return, Origin(),
        root->appendNew<Value>(proc, Sub, Origin(), value, value));

    CHECK(isIdentical(compileAndRun<double>(proc, a), a - a));
}

void testSubArgsDouble(double a, double b)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    Value* valueA = root->appendNew<ArgumentRegValue>(proc, Origin(), FPRInfo::argumentFPR0);
    Value* valueB = root->appendNew<ArgumentRegValue>(proc, Origin(), FPRInfo::argumentFPR1);
    root->appendNewControlValue(
        proc, Return, Origin(),
        root->appendNew<Value>(proc, Sub, Origin(), valueA, valueB));

    CHECK(isIdentical(compileAndRun<double>(proc, a, b), a - b));
}

void testSubArgImmDouble(double a, double b)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    Value* valueA = root->appendNew<ArgumentRegValue>(proc, Origin(), FPRInfo::argumentFPR0);
    Value* valueB = root->appendNew<ConstDoubleValue>(proc, Origin(), b);
    root->appendNewControlValue(
        proc, Return, Origin(),
        root->appendNew<Value>(proc, Sub, Origin(), valueA, valueB));

    CHECK(isIdentical(compileAndRun<double>(proc, a), a - b));
}

void testSubImmArgDouble(double a, double b)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    Value* valueA = root->appendNew<ConstDoubleValue>(proc, Origin(), a);
    Value* valueB = root->appendNew<ArgumentRegValue>(proc, Origin(), FPRInfo::argumentFPR0);
    root->appendNewControlValue(
        proc, Return, Origin(),
        root->appendNew<Value>(proc, Sub, Origin(), valueA, valueB));

    CHECK(isIdentical(compileAndRun<double>(proc, b), a - b));
}

void testSubImmsDouble(double a, double b)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    Value* valueA = root->appendNew<ConstDoubleValue>(proc, Origin(), a);
    Value* valueB = root->appendNew<ConstDoubleValue>(proc, Origin(), b);
    root->appendNewControlValue(
        proc, Return, Origin(),
        root->appendNew<Value>(proc, Sub, Origin(), valueA, valueB));
    
    CHECK(isIdentical(compileAndRun<double>(proc), a - b));
}

void testSubArgFloat(float a)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    Value* argument32 = root->appendNew<Value>(proc, Trunc, Origin(),
        root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0));
    Value* floatValue = root->appendNew<Value>(proc, BitwiseCast, Origin(), argument32);
    Value* result = root->appendNew<Value>(proc, Sub, Origin(), floatValue, floatValue);
    Value* result32 = root->appendNew<Value>(proc, BitwiseCast, Origin(), result);
    root->appendNewControlValue(proc, Return, Origin(), result32);


    CHECK(isIdentical(compileAndRun<int32_t>(proc, bitwise_cast<int32_t>(a)), bitwise_cast<int32_t>(a - a)));
}

void testSubArgsFloat(float a, float b)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    Value* argument1int32 = root->appendNew<Value>(proc, Trunc, Origin(),
        root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0));
    Value* argument2int32 = root->appendNew<Value>(proc, Trunc, Origin(),
        root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR1));
    Value* floatValue1 = root->appendNew<Value>(proc, BitwiseCast, Origin(), argument1int32);
    Value* floatValue2 = root->appendNew<Value>(proc, BitwiseCast, Origin(), argument2int32);
    Value* result = root->appendNew<Value>(proc, Sub, Origin(), floatValue1, floatValue2);
    Value* result32 = root->appendNew<Value>(proc, BitwiseCast, Origin(), result);
    root->appendNewControlValue(proc, Return, Origin(), result32);

    CHECK(isIdentical(compileAndRun<int32_t>(proc, bitwise_cast<int32_t>(a), bitwise_cast<int32_t>(b)), bitwise_cast<int32_t>(a - b)));
}

void testSubArgImmFloat(float a, float b)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    Value* argument32 = root->appendNew<Value>(proc, Trunc, Origin(),
        root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0));
    Value* floatValue = root->appendNew<Value>(proc, BitwiseCast, Origin(), argument32);
    Value* constValue = root->appendNew<ConstFloatValue>(proc, Origin(), b);
    Value* result = root->appendNew<Value>(proc, Sub, Origin(), floatValue, constValue);
    Value* result32 = root->appendNew<Value>(proc, BitwiseCast, Origin(), result);
    root->appendNewControlValue(proc, Return, Origin(), result32);

    CHECK(isIdentical(compileAndRun<int32_t>(proc, bitwise_cast<int32_t>(a)), bitwise_cast<int32_t>(a - b)));
}

void testSubImmArgFloat(float a, float b)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    Value* argument32 = root->appendNew<Value>(proc, Trunc, Origin(),
        root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0));
    Value* floatValue = root->appendNew<Value>(proc, BitwiseCast, Origin(), argument32);
    Value* constValue = root->appendNew<ConstFloatValue>(proc, Origin(), a);
    Value* result = root->appendNew<Value>(proc, Sub, Origin(), constValue, floatValue);
    Value* result32 = root->appendNew<Value>(proc, BitwiseCast, Origin(), result);
    root->appendNewControlValue(proc, Return, Origin(), result32);

    CHECK(isIdentical(compileAndRun<int32_t>(proc, bitwise_cast<int32_t>(b)), bitwise_cast<int32_t>(a - b)));
}

void testSubImmsFloat(float a, float b)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    Value* constValue1 = root->appendNew<ConstFloatValue>(proc, Origin(), a);
    Value* constValue2 = root->appendNew<ConstFloatValue>(proc, Origin(), b);
    Value* result = root->appendNew<Value>(proc, Sub, Origin(), constValue1, constValue2);
    Value* result32 = root->appendNew<Value>(proc, BitwiseCast, Origin(), result);
    root->appendNewControlValue(proc, Return, Origin(), result32);

    CHECK(isIdentical(compileAndRun<int32_t>(proc), bitwise_cast<int32_t>(a - b)));
}

void testSubArgFloatWithUselessDoubleConversion(float a)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    Value* argumentInt32 = root->appendNew<Value>(proc, Trunc, Origin(),
        root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0));
    Value* floatValue = root->appendNew<Value>(proc, BitwiseCast, Origin(), argumentInt32);
    Value* asDouble = root->appendNew<Value>(proc, FloatToDouble, Origin(), floatValue);
    Value* result = root->appendNew<Value>(proc, Sub, Origin(), asDouble, asDouble);
    Value* floatResult = root->appendNew<Value>(proc, DoubleToFloat, Origin(), result);
    Value* result32 = root->appendNew<Value>(proc, BitwiseCast, Origin(), floatResult);
    root->appendNewControlValue(proc, Return, Origin(), result32);

    CHECK(isIdentical(compileAndRun<int32_t>(proc, bitwise_cast<int32_t>(a)), bitwise_cast<int32_t>(a - a)));
}

void testSubArgsFloatWithUselessDoubleConversion(float a, float b)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    Value* argument1int32 = root->appendNew<Value>(proc, Trunc, Origin(),
        root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0));
    Value* argument2int32 = root->appendNew<Value>(proc, Trunc, Origin(),
        root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR1));
    Value* floatValue1 = root->appendNew<Value>(proc, BitwiseCast, Origin(), argument1int32);
    Value* floatValue2 = root->appendNew<Value>(proc, BitwiseCast, Origin(), argument2int32);
    Value* asDouble1 = root->appendNew<Value>(proc, FloatToDouble, Origin(), floatValue1);
    Value* asDouble2 = root->appendNew<Value>(proc, FloatToDouble, Origin(), floatValue2);
    Value* result = root->appendNew<Value>(proc, Sub, Origin(), asDouble1, asDouble2);
    Value* floatResult = root->appendNew<Value>(proc, DoubleToFloat, Origin(), result);
    Value* result32 = root->appendNew<Value>(proc, BitwiseCast, Origin(), floatResult);
    root->appendNewControlValue(proc, Return, Origin(), result32);

    CHECK(isIdentical(compileAndRun<int32_t>(proc, bitwise_cast<int32_t>(a), bitwise_cast<int32_t>(b)), bitwise_cast<int32_t>(a - b)));
}

void testSubArgsFloatWithEffectfulDoubleConversion(float a, float b)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    Value* argument1int32 = root->appendNew<Value>(proc, Trunc, Origin(),
        root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0));
    Value* argument2int32 = root->appendNew<Value>(proc, Trunc, Origin(),
        root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR1));
    Value* floatValue1 = root->appendNew<Value>(proc, BitwiseCast, Origin(), argument1int32);
    Value* floatValue2 = root->appendNew<Value>(proc, BitwiseCast, Origin(), argument2int32);
    Value* asDouble1 = root->appendNew<Value>(proc, FloatToDouble, Origin(), floatValue1);
    Value* asDouble2 = root->appendNew<Value>(proc, FloatToDouble, Origin(), floatValue2);
    Value* result = root->appendNew<Value>(proc, Sub, Origin(), asDouble1, asDouble2);
    Value* floatResult = root->appendNew<Value>(proc, DoubleToFloat, Origin(), result);
    Value* doubleSubress = root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR2);
    root->appendNew<MemoryValue>(proc, Store, Origin(), result, doubleSubress);
    Value* result32 = root->appendNew<Value>(proc, BitwiseCast, Origin(), floatResult);
    root->appendNewControlValue(proc, Return, Origin(), result32);

    double effect = 0;
    CHECK(isIdentical(compileAndRun<int32_t>(proc, bitwise_cast<int32_t>(a), bitwise_cast<int32_t>(b), &effect), bitwise_cast<int32_t>(a - b)));
    CHECK(isIdentical(effect, static_cast<double>(a) - static_cast<double>(b)));
}

void testTernarySubInstructionSelection(B3::Opcode valueModifier, Type valueType, Air::Opcode expectedOpcode)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();

    Value* left = root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0);
    Value* right = root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR1);

    if (valueModifier == Trunc) {
        left = root->appendNew<Value>(proc, valueModifier, valueType, Origin(), left);
        right = root->appendNew<Value>(proc, valueModifier, valueType, Origin(), right);
    }

    root->appendNewControlValue(
        proc, Return, Origin(),
        root->appendNew<Value>(proc, Sub, Origin(), left, right));

    lowerToAirForTesting(proc);

    auto block = proc.code()[0];
    unsigned numberOfSubInstructions = 0;
    for (auto instruction : *block) {
        if (instruction.kind.opcode == expectedOpcode) {
            CHECK_EQ(instruction.args.size(), 3ul);
            CHECK_EQ(instruction.args[0].kind(), Air::Arg::Tmp);
            CHECK_EQ(instruction.args[1].kind(), Air::Arg::Tmp);
            CHECK_EQ(instruction.args[2].kind(), Air::Arg::Tmp);
            numberOfSubInstructions++;
        }
    }
    CHECK_EQ(numberOfSubInstructions, 1ul);
}

void testNegDouble(double a)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    root->appendNewControlValue(
        proc, Return, Origin(),
        root->appendNew<Value>(
            proc, Neg, Origin(),
            root->appendNew<ArgumentRegValue>(proc, Origin(), FPRInfo::argumentFPR0)));

    CHECK(isIdentical(compileAndRun<double>(proc, a), -a));
}

void testNegFloat(float a)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    Value* argument32 = root->appendNew<Value>(proc, Trunc, Origin(),
        root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0));
    Value* floatValue = root->appendNew<Value>(proc, BitwiseCast, Origin(), argument32);
    root->appendNewControlValue(
        proc, Return, Origin(),
        root->appendNew<Value>(proc, Neg, Origin(), floatValue));

    CHECK(isIdentical(compileAndRun<float>(proc, bitwise_cast<int32_t>(a)), -a));
}

void testNegFloatWithUselessDoubleConversion(float a)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    Value* argumentInt32 = root->appendNew<Value>(proc, Trunc, Origin(),
        root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0));
    Value* floatValue = root->appendNew<Value>(proc, BitwiseCast, Origin(), argumentInt32);
    Value* asDouble = root->appendNew<Value>(proc, FloatToDouble, Origin(), floatValue);
    Value* result = root->appendNew<Value>(proc, Neg, Origin(), asDouble);
    Value* floatResult = root->appendNew<Value>(proc, DoubleToFloat, Origin(), result);
    root->appendNewControlValue(proc, Return, Origin(), floatResult);

    CHECK(isIdentical(compileAndRun<float>(proc, bitwise_cast<int32_t>(a)), -a));
}

void testBitAndArgs(int64_t a, int64_t b)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    root->appendNewControlValue(
        proc, Return, Origin(),
        root->appendNew<Value>(
            proc, BitAnd, Origin(),
            root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0),
            root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR1)));

    CHECK(compileAndRun<int64_t>(proc, a, b) == (a & b));
}

void testBitAndSameArg(int64_t a)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    Value* argument = root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0);
    root->appendNewControlValue(
        proc, Return, Origin(),
        root->appendNew<Value>(
            proc, BitAnd, Origin(),
            argument,
            argument));

    CHECK(compileAndRun<int64_t>(proc, a) == a);
}

void testBitAndImms(int64_t a, int64_t b)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    root->appendNewControlValue(
        proc, Return, Origin(),
        root->appendNew<Value>(
            proc, BitAnd, Origin(),
            root->appendNew<Const64Value>(proc, Origin(), a),
            root->appendNew<Const64Value>(proc, Origin(), b)));

    CHECK(compileAndRun<int64_t>(proc) == (a & b));
}

void testBitAndArgImm(int64_t a, int64_t b)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    root->appendNewControlValue(
        proc, Return, Origin(),
        root->appendNew<Value>(
            proc, BitAnd, Origin(),
            root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0),
            root->appendNew<Const64Value>(proc, Origin(), b)));

    CHECK(compileAndRun<int64_t>(proc, a) == (a & b));
}

void testBitAndImmArg(int64_t a, int64_t b)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    root->appendNewControlValue(
        proc, Return, Origin(),
        root->appendNew<Value>(
            proc, BitAnd, Origin(),
            root->appendNew<Const64Value>(proc, Origin(), a),
            root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0)));

    CHECK(compileAndRun<int64_t>(proc, b) == (a & b));
}

void testBitAndBitAndArgImmImm(int64_t a, int64_t b, int64_t c)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    Value* innerBitAnd = root->appendNew<Value>(
        proc, BitAnd, Origin(),
        root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0),
        root->appendNew<Const64Value>(proc, Origin(), b));
    root->appendNewControlValue(
        proc, Return, Origin(),
        root->appendNew<Value>(
            proc, BitAnd, Origin(),
            innerBitAnd,
            root->appendNew<Const64Value>(proc, Origin(), c)));

    CHECK(compileAndRun<int64_t>(proc, a) == ((a & b) & c));
}

void testBitAndImmBitAndArgImm(int64_t a, int64_t b, int64_t c)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    Value* innerBitAnd = root->appendNew<Value>(
        proc, BitAnd, Origin(),
        root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0),
        root->appendNew<Const64Value>(proc, Origin(), c));
    root->appendNewControlValue(
        proc, Return, Origin(),
        root->appendNew<Value>(
            proc, BitAnd, Origin(),
            root->appendNew<Const64Value>(proc, Origin(), a),
            innerBitAnd));

    CHECK(compileAndRun<int64_t>(proc, b) == (a & (b & c)));
}

void testBitAndArgs32(int a, int b)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    root->appendNewControlValue(
        proc, Return, Origin(),
        root->appendNew<Value>(
            proc, BitAnd, Origin(),
            root->appendNew<Value>(
                proc, Trunc, Origin(),
                root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0)),
            root->appendNew<Value>(
                proc, Trunc, Origin(),
                root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR1))));

    CHECK(compileAndRun<int>(proc, a, b) == (a & b));
}

void testBitAndSameArg32(int a)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    Value* argument = root->appendNew<Value>(proc, Trunc, Origin(),
        root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0));
    root->appendNewControlValue(
        proc, Return, Origin(),
        root->appendNew<Value>(
            proc, BitAnd, Origin(),
            argument,
            argument));

    CHECK(compileAndRun<int>(proc, a) == a);
}

void testBitAndImms32(int a, int b)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    root->appendNewControlValue(
        proc, Return, Origin(),
        root->appendNew<Value>(
            proc, BitAnd, Origin(),
            root->appendNew<Const32Value>(proc, Origin(), a),
            root->appendNew<Const32Value>(proc, Origin(), b)));

    CHECK(compileAndRun<int>(proc) == (a & b));
}

void testBitAndArgImm32(int a, int b)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    root->appendNewControlValue(
        proc, Return, Origin(),
        root->appendNew<Value>(
            proc, BitAnd, Origin(),
            root->appendNew<Value>(
                proc, Trunc, Origin(),
                root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0)),
            root->appendNew<Const32Value>(proc, Origin(), b)));

    CHECK(compileAndRun<int>(proc, a) == (a & b));
}

void testBitAndImmArg32(int a, int b)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    root->appendNewControlValue(
        proc, Return, Origin(),
        root->appendNew<Value>(
            proc, BitAnd, Origin(),
            root->appendNew<Const32Value>(proc, Origin(), a),
            root->appendNew<Value>(
                proc, Trunc, Origin(),
                root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0))));

    CHECK(compileAndRun<int>(proc, b) == (a & b));
}

void testBitAndBitAndArgImmImm32(int a, int b, int c)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    Value* innerBitAnd = root->appendNew<Value>(
        proc, BitAnd, Origin(),
        root->appendNew<Value>(
            proc, Trunc, Origin(),
            root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0)),
        root->appendNew<Const32Value>(proc, Origin(), b));
    root->appendNewControlValue(
        proc, Return, Origin(),
        root->appendNew<Value>(
            proc, BitAnd, Origin(),
            innerBitAnd,
            root->appendNew<Const32Value>(proc, Origin(), c)));

    CHECK(compileAndRun<int>(proc, a) == ((a & b) & c));
}

void testBitAndImmBitAndArgImm32(int a, int b, int c)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    Value* innerBitAnd = root->appendNew<Value>(
        proc, BitAnd, Origin(),
        root->appendNew<Value>(
            proc, Trunc, Origin(),
            root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0)),
        root->appendNew<Const32Value>(proc, Origin(), c));
    root->appendNewControlValue(
        proc, Return, Origin(),
        root->appendNew<Value>(
            proc, BitAnd, Origin(),
            root->appendNew<Const32Value>(proc, Origin(), a),
            innerBitAnd));

    CHECK(compileAndRun<int>(proc, b) == (a & (b & c)));
}

void testBitAndWithMaskReturnsBooleans(int64_t a, int64_t b)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    Value* arg0 = root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0);
    Value* arg1 = root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR1);
    Value* equal = root->appendNew<Value>(proc, Equal, Origin(), arg0, arg1);
    Value* maskedEqual = root->appendNew<Value>(proc, BitAnd, Origin(),
        root->appendNew<Const32Value>(proc, Origin(), 0x5),
        equal);
    Value* inverted = root->appendNew<Value>(proc, BitXor, Origin(),
        root->appendNew<Const32Value>(proc, Origin(), 0x1),
        maskedEqual);
    Value* select = root->appendNew<Value>(proc, Select, Origin(), inverted,
        root->appendNew<Const64Value>(proc, Origin(), 42),
        root->appendNew<Const64Value>(proc, Origin(), -5));

    root->appendNewControlValue(proc, Return, Origin(), select);

    int64_t expected = (a == b) ? -5 : 42;
    CHECK(compileAndRun<int64_t>(proc, a, b) == expected);
}

double bitAndDouble(double a, double b)
{
    return bitwise_cast<double>(bitwise_cast<uint64_t>(a) & bitwise_cast<uint64_t>(b));
}

void testBitAndArgDouble(double a)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    Value* argument = root->appendNew<ArgumentRegValue>(proc, Origin(), FPRInfo::argumentFPR0);
    Value* result = root->appendNew<Value>(proc, BitAnd, Origin(), argument, argument);
    root->appendNewControlValue(proc, Return, Origin(), result);

    CHECK(isIdentical(compileAndRun<double>(proc, a), bitAndDouble(a, a)));
}

void testBitAndArgsDouble(double a, double b)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    Value* argumentA = root->appendNew<ArgumentRegValue>(proc, Origin(), FPRInfo::argumentFPR0);
    Value* argumentB = root->appendNew<ArgumentRegValue>(proc, Origin(), FPRInfo::argumentFPR1);
    Value* result = root->appendNew<Value>(proc, BitAnd, Origin(), argumentA, argumentB);
    root->appendNewControlValue(proc, Return, Origin(), result);

    CHECK(isIdentical(compileAndRun<double>(proc, a, b), bitAndDouble(a, b)));
}

void testBitAndArgImmDouble(double a, double b)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    Value* argumentA = root->appendNew<ArgumentRegValue>(proc, Origin(), FPRInfo::argumentFPR0);
    Value* argumentB = root->appendNew<ConstDoubleValue>(proc, Origin(), b);
    Value* result = root->appendNew<Value>(proc, BitAnd, Origin(), argumentA, argumentB);
    root->appendNewControlValue(proc, Return, Origin(), result);

    CHECK(isIdentical(compileAndRun<double>(proc, a, b), bitAndDouble(a, b)));
}

void testBitAndImmsDouble(double a, double b)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    Value* argumentA = root->appendNew<ConstDoubleValue>(proc, Origin(), a);
    Value* argumentB = root->appendNew<ConstDoubleValue>(proc, Origin(), b);
    Value* result = root->appendNew<Value>(proc, BitAnd, Origin(), argumentA, argumentB);
    root->appendNewControlValue(proc, Return, Origin(), result);

    CHECK(isIdentical(compileAndRun<double>(proc), bitAndDouble(a, b)));
}

float bitAndFloat(float a, float b)
{
    return bitwise_cast<float>(bitwise_cast<uint32_t>(a) & bitwise_cast<uint32_t>(b));
}

void testBitAndArgFloat(float a)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    Value* argument = root->appendNew<Value>(proc, BitwiseCast, Origin(),
        root->appendNew<Value>(proc, Trunc, Origin(),
            root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0)));
    Value* result = root->appendNew<Value>(proc, BitAnd, Origin(), argument, argument);
    root->appendNewControlValue(proc, Return, Origin(), result);

    CHECK(isIdentical(compileAndRun<float>(proc, bitwise_cast<int32_t>(a)), bitAndFloat(a, a)));
}

void testBitAndArgsFloat(float a, float b)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    Value* argumentA = root->appendNew<Value>(proc, BitwiseCast, Origin(),
        root->appendNew<Value>(proc, Trunc, Origin(),
            root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0)));
    Value* argumentB = root->appendNew<Value>(proc, BitwiseCast, Origin(),
        root->appendNew<Value>(proc, Trunc, Origin(),
            root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR1)));
    Value* result = root->appendNew<Value>(proc, BitAnd, Origin(), argumentA, argumentB);
    root->appendNewControlValue(proc, Return, Origin(), result);

    CHECK(isIdentical(compileAndRun<float>(proc, bitwise_cast<int32_t>(a), bitwise_cast<int32_t>(b)), bitAndFloat(a, b)));
}

void testBitAndArgImmFloat(float a, float b)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    Value* argumentA = root->appendNew<Value>(proc, BitwiseCast, Origin(),
        root->appendNew<Value>(proc, Trunc, Origin(),
            root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0)));
    Value* argumentB = root->appendNew<ConstFloatValue>(proc, Origin(), b);
    Value* result = root->appendNew<Value>(proc, BitAnd, Origin(), argumentA, argumentB);
    root->appendNewControlValue(proc, Return, Origin(), result);

    CHECK(isIdentical(compileAndRun<float>(proc, bitwise_cast<int32_t>(a), bitwise_cast<int32_t>(b)), bitAndFloat(a, b)));
}

void testBitAndImmsFloat(float a, float b)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    Value* argumentA = root->appendNew<ConstFloatValue>(proc, Origin(), a);
    Value* argumentB = root->appendNew<ConstFloatValue>(proc, Origin(), b);
    Value* result = root->appendNew<Value>(proc, BitAnd, Origin(), argumentA, argumentB);
    root->appendNewControlValue(proc, Return, Origin(), result);

    CHECK(isIdentical(compileAndRun<float>(proc), bitAndFloat(a, b)));
}

void testBitAndArgsFloatWithUselessDoubleConversion(float a, float b)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    Value* argumentA = root->appendNew<Value>(proc, BitwiseCast, Origin(),
        root->appendNew<Value>(proc, Trunc, Origin(),
            root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0)));
    Value* argumentB = root->appendNew<Value>(proc, BitwiseCast, Origin(),
        root->appendNew<Value>(proc, Trunc, Origin(),
            root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR1)));
    Value* argumentAasDouble = root->appendNew<Value>(proc, FloatToDouble, Origin(), argumentA);
    Value* argumentBasDouble = root->appendNew<Value>(proc, FloatToDouble, Origin(), argumentB);
    Value* doubleResult = root->appendNew<Value>(proc, BitAnd, Origin(), argumentAasDouble, argumentBasDouble);
    Value* floatResult = root->appendNew<Value>(proc, DoubleToFloat, Origin(), doubleResult);
    root->appendNewControlValue(proc, Return, Origin(), floatResult);

    double doubleA = a;
    double doubleB = b;
    float expected = static_cast<float>(bitAndDouble(doubleA, doubleB));
    CHECK(isIdentical(compileAndRun<float>(proc, bitwise_cast<int32_t>(a), bitwise_cast<int32_t>(b)), expected));
}

void testBitOrArgs(int64_t a, int64_t b)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    root->appendNewControlValue(
        proc, Return, Origin(),
        root->appendNew<Value>(
            proc, BitOr, Origin(),
            root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0),
            root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR1)));

    CHECK(compileAndRun<int64_t>(proc, a, b) == (a | b));
}

void testBitOrSameArg(int64_t a)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    Value* argument = root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0);
    root->appendNewControlValue(
        proc, Return, Origin(),
        root->appendNew<Value>(
            proc, BitOr, Origin(),
            argument,
            argument));

    CHECK(compileAndRun<int64_t>(proc, a) == a);
}

void testBitOrImms(int64_t a, int64_t b)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    root->appendNewControlValue(
        proc, Return, Origin(),
        root->appendNew<Value>(
            proc, BitOr, Origin(),
            root->appendNew<Const64Value>(proc, Origin(), a),
            root->appendNew<Const64Value>(proc, Origin(), b)));

    CHECK(compileAndRun<int64_t>(proc) == (a | b));
}

void testBitOrArgImm(int64_t a, int64_t b)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    root->appendNewControlValue(
        proc, Return, Origin(),
        root->appendNew<Value>(
            proc, BitOr, Origin(),
            root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0),
            root->appendNew<Const64Value>(proc, Origin(), b)));

    CHECK(compileAndRun<int64_t>(proc, a) == (a | b));
}

void testBitOrImmArg(int64_t a, int64_t b)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    root->appendNewControlValue(
        proc, Return, Origin(),
        root->appendNew<Value>(
            proc, BitOr, Origin(),
            root->appendNew<Const64Value>(proc, Origin(), a),
            root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0)));

    CHECK(compileAndRun<int64_t>(proc, b) == (a | b));
}

void testBitOrBitOrArgImmImm(int64_t a, int64_t b, int64_t c)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    Value* innerBitOr = root->appendNew<Value>(
        proc, BitOr, Origin(),
        root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0),
        root->appendNew<Const64Value>(proc, Origin(), b));
    root->appendNewControlValue(
        proc, Return, Origin(),
        root->appendNew<Value>(
            proc, BitOr, Origin(),
            innerBitOr,
            root->appendNew<Const64Value>(proc, Origin(), c)));

    CHECK(compileAndRun<int64_t>(proc, a) == ((a | b) | c));
}

void testBitOrImmBitOrArgImm(int64_t a, int64_t b, int64_t c)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    Value* innerBitOr = root->appendNew<Value>(
        proc, BitOr, Origin(),
        root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0),
        root->appendNew<Const64Value>(proc, Origin(), c));
    root->appendNewControlValue(
        proc, Return, Origin(),
        root->appendNew<Value>(
            proc, BitOr, Origin(),
            root->appendNew<Const64Value>(proc, Origin(), a),
            innerBitOr));

    CHECK(compileAndRun<int64_t>(proc, b) == (a | (b | c)));
}

void testBitOrArgs32(int a, int b)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    root->appendNewControlValue(
        proc, Return, Origin(),
        root->appendNew<Value>(
            proc, BitOr, Origin(),
            root->appendNew<Value>(
                proc, Trunc, Origin(),
                root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0)),
            root->appendNew<Value>(
                proc, Trunc, Origin(),
                root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR1))));

    CHECK(compileAndRun<int>(proc, a, b) == (a | b));
}

void testBitOrSameArg32(int a)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    Value* argument = root->appendNew<Value>(
        proc, Trunc, Origin(),
            root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0));
    root->appendNewControlValue(
        proc, Return, Origin(),
        root->appendNew<Value>(
            proc, BitOr, Origin(),
            argument,
            argument));

    CHECK(compileAndRun<int>(proc, a) == a);
}

void testBitOrImms32(int a, int b)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    root->appendNewControlValue(
        proc, Return, Origin(),
        root->appendNew<Value>(
            proc, BitOr, Origin(),
            root->appendNew<Const32Value>(proc, Origin(), a),
            root->appendNew<Const32Value>(proc, Origin(), b)));

    CHECK(compileAndRun<int>(proc) == (a | b));
}

void testBitOrArgImm32(int a, int b)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    root->appendNewControlValue(
        proc, Return, Origin(),
        root->appendNew<Value>(
            proc, BitOr, Origin(),
            root->appendNew<Value>(
                proc, Trunc, Origin(),
                root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0)),
            root->appendNew<Const32Value>(proc, Origin(), b)));

    CHECK(compileAndRun<int>(proc, a) == (a | b));
}

void testBitOrImmArg32(int a, int b)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    root->appendNewControlValue(
        proc, Return, Origin(),
        root->appendNew<Value>(
            proc, BitOr, Origin(),
            root->appendNew<Const32Value>(proc, Origin(), a),
            root->appendNew<Value>(
                proc, Trunc, Origin(),
                root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0))));

    CHECK(compileAndRun<int>(proc, b) == (a | b));
}

void testBitOrBitOrArgImmImm32(int a, int b, int c)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    Value* innerBitOr = root->appendNew<Value>(
        proc, BitOr, Origin(),
        root->appendNew<Value>(
            proc, Trunc, Origin(),
            root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0)),
        root->appendNew<Const32Value>(proc, Origin(), b));
    root->appendNewControlValue(
        proc, Return, Origin(),
        root->appendNew<Value>(
            proc, BitOr, Origin(),
            innerBitOr,
            root->appendNew<Const32Value>(proc, Origin(), c)));

    CHECK(compileAndRun<int>(proc, a) == ((a | b) | c));
}

void testBitOrImmBitOrArgImm32(int a, int b, int c)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    Value* innerBitOr = root->appendNew<Value>(
        proc, BitOr, Origin(),
        root->appendNew<Value>(
            proc, Trunc, Origin(),
            root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0)),
        root->appendNew<Const32Value>(proc, Origin(), c));
    root->appendNewControlValue(
        proc, Return, Origin(),
        root->appendNew<Value>(
            proc, BitOr, Origin(),
            root->appendNew<Const32Value>(proc, Origin(), a),
            innerBitOr));

    CHECK(compileAndRun<int>(proc, b) == (a | (b | c)));
}

void testBitXorArgs(int64_t a, int64_t b)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    root->appendNewControlValue(
        proc, Return, Origin(),
        root->appendNew<Value>(
            proc, BitXor, Origin(),
            root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0),
            root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR1)));

    CHECK(compileAndRun<int64_t>(proc, a, b) == (a ^ b));
}

void testBitXorSameArg(int64_t a)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    Value* argument = root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0);
    root->appendNewControlValue(
        proc, Return, Origin(),
        root->appendNew<Value>(
            proc, BitXor, Origin(),
            argument,
            argument));

    CHECK(!compileAndRun<int64_t>(proc, a));
}

void testBitXorImms(int64_t a, int64_t b)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    root->appendNewControlValue(
        proc, Return, Origin(),
        root->appendNew<Value>(
            proc, BitXor, Origin(),
            root->appendNew<Const64Value>(proc, Origin(), a),
            root->appendNew<Const64Value>(proc, Origin(), b)));

    CHECK(compileAndRun<int64_t>(proc) == (a ^ b));
}

void testBitXorArgImm(int64_t a, int64_t b)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    root->appendNewControlValue(
        proc, Return, Origin(),
        root->appendNew<Value>(
            proc, BitXor, Origin(),
            root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0),
            root->appendNew<Const64Value>(proc, Origin(), b)));

    CHECK(compileAndRun<int64_t>(proc, a) == (a ^ b));
}

void testBitXorImmArg(int64_t a, int64_t b)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    root->appendNewControlValue(
        proc, Return, Origin(),
        root->appendNew<Value>(
            proc, BitXor, Origin(),
            root->appendNew<Const64Value>(proc, Origin(), a),
            root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0)));

    CHECK(compileAndRun<int64_t>(proc, b) == (a ^ b));
}

void testBitXorBitXorArgImmImm(int64_t a, int64_t b, int64_t c)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    Value* innerBitXor = root->appendNew<Value>(
        proc, BitXor, Origin(),
        root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0),
        root->appendNew<Const64Value>(proc, Origin(), b));
    root->appendNewControlValue(
        proc, Return, Origin(),
        root->appendNew<Value>(
            proc, BitXor, Origin(),
            innerBitXor,
            root->appendNew<Const64Value>(proc, Origin(), c)));

    CHECK(compileAndRun<int64_t>(proc, a) == ((a ^ b) ^ c));
}

void testBitXorImmBitXorArgImm(int64_t a, int64_t b, int64_t c)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    Value* innerBitXor = root->appendNew<Value>(
        proc, BitXor, Origin(),
        root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0),
        root->appendNew<Const64Value>(proc, Origin(), c));
    root->appendNewControlValue(
        proc, Return, Origin(),
        root->appendNew<Value>(
            proc, BitXor, Origin(),
            root->appendNew<Const64Value>(proc, Origin(), a),
            innerBitXor));

    CHECK(compileAndRun<int64_t>(proc, b) == (a ^ (b ^ c)));
}

void testBitXorArgs32(int a, int b)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    root->appendNewControlValue(
        proc, Return, Origin(),
        root->appendNew<Value>(
            proc, BitXor, Origin(),
            root->appendNew<Value>(
                proc, Trunc, Origin(),
                root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0)),
            root->appendNew<Value>(
                proc, Trunc, Origin(),
                root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR1))));

    CHECK(compileAndRun<int>(proc, a, b) == (a ^ b));
}

void testBitXorSameArg32(int a)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    Value* argument = root->appendNew<Value>(
        proc, Trunc, Origin(),
            root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0));
    root->appendNewControlValue(
        proc, Return, Origin(),
        root->appendNew<Value>(
            proc, BitXor, Origin(),
            argument,
            argument));

    CHECK(!compileAndRun<int>(proc, a));
}

void testBitXorImms32(int a, int b)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    root->appendNewControlValue(
        proc, Return, Origin(),
        root->appendNew<Value>(
            proc, BitXor, Origin(),
            root->appendNew<Const32Value>(proc, Origin(), a),
            root->appendNew<Const32Value>(proc, Origin(), b)));

    CHECK(compileAndRun<int>(proc) == (a ^ b));
}

void testBitXorArgImm32(int a, int b)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    root->appendNewControlValue(
        proc, Return, Origin(),
        root->appendNew<Value>(
            proc, BitXor, Origin(),
            root->appendNew<Value>(
                proc, Trunc, Origin(),
                root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0)),
            root->appendNew<Const32Value>(proc, Origin(), b)));

    CHECK(compileAndRun<int>(proc, a) == (a ^ b));
}

void testBitXorImmArg32(int a, int b)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    root->appendNewControlValue(
        proc, Return, Origin(),
        root->appendNew<Value>(
            proc, BitXor, Origin(),
            root->appendNew<Const32Value>(proc, Origin(), a),
            root->appendNew<Value>(
                proc, Trunc, Origin(),
                root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0))));

    CHECK(compileAndRun<int>(proc, b) == (a ^ b));
}

void testBitXorBitXorArgImmImm32(int a, int b, int c)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    Value* innerBitXor = root->appendNew<Value>(
        proc, BitXor, Origin(),
        root->appendNew<Value>(
            proc, Trunc, Origin(),
            root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0)),
        root->appendNew<Const32Value>(proc, Origin(), b));
    root->appendNewControlValue(
        proc, Return, Origin(),
        root->appendNew<Value>(
            proc, BitXor, Origin(),
            innerBitXor,
            root->appendNew<Const32Value>(proc, Origin(), c)));

    CHECK(compileAndRun<int>(proc, a) == ((a ^ b) ^ c));
}

void testBitXorImmBitXorArgImm32(int a, int b, int c)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    Value* innerBitXor = root->appendNew<Value>(
        proc, BitXor, Origin(),
        root->appendNew<Value>(
            proc, Trunc, Origin(),
            root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0)),
        root->appendNew<Const32Value>(proc, Origin(), c));
    root->appendNewControlValue(
        proc, Return, Origin(),
        root->appendNew<Value>(
            proc, BitXor, Origin(),
            root->appendNew<Const32Value>(proc, Origin(), a),
            innerBitXor));

    CHECK(compileAndRun<int>(proc, b) == (a ^ (b ^ c)));
}

void testBitNotArg(int64_t a)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    root->appendNewControlValue(
        proc, Return, Origin(),
        root->appendNew<Value>(
            proc, BitXor, Origin(),
            root->appendNew<Const64Value>(proc, Origin(), -1),
            root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0)));

    CHECK(isIdentical(compileAndRun<int64_t>(proc, a), static_cast<int64_t>((static_cast<uint64_t>(a) ^ 0xffffffffffffffff))));
}

void testBitNotImm(int64_t a)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    root->appendNewControlValue(
        proc, Return, Origin(),
        root->appendNew<Value>(
            proc, BitXor, Origin(),
            root->appendNew<Const64Value>(proc, Origin(), -1),
            root->appendNew<Const64Value>(proc, Origin(), a)));

    CHECK(isIdentical(compileAndRun<int64_t>(proc, a), static_cast<int64_t>((static_cast<uint64_t>(a) ^ 0xffffffffffffffff))));
}

void testBitNotMem(int64_t a)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    Value* address = root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0);
    MemoryValue* load = root->appendNew<MemoryValue>(proc, Load, Int64, Origin(), address);
    Value* notLoad = root->appendNew<Value>(proc, BitXor, Origin(),
        root->appendNew<Const64Value>(proc, Origin(), -1),
        load);
    root->appendNew<MemoryValue>(proc, Store, Origin(), notLoad, address);
    root->appendNewControlValue(proc, Return, Origin(), root->appendNew<Const32Value>(proc, Origin(), 0));

    int64_t input = a;
    compileAndRun<int32_t>(proc, &input);
    CHECK(isIdentical(input, static_cast<int64_t>((static_cast<uint64_t>(a) ^ 0xffffffffffffffff))));
}

void testBitNotArg32(int32_t a)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    Value* argument = root->appendNew<Value>(proc, Trunc, Origin(),
        root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0));
    root->appendNewControlValue(
        proc, Return, Origin(),
        root->appendNew<Value>(proc, BitXor, Origin(),
            root->appendNew<Const32Value>(proc, Origin(), -1),
            argument));
    CHECK(isIdentical(compileAndRun<int32_t>(proc, a), static_cast<int32_t>((static_cast<uint32_t>(a) ^ 0xffffffff))));
}

void testBitNotImm32(int32_t a)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    root->appendNewControlValue(
        proc, Return, Origin(),
        root->appendNew<Value>(
            proc, BitXor, Origin(),
            root->appendNew<Const32Value>(proc, Origin(), -1),
            root->appendNew<Const32Value>(proc, Origin(), a)));

    CHECK(isIdentical(compileAndRun<int32_t>(proc, a), static_cast<int32_t>((static_cast<uint32_t>(a) ^ 0xffffffff))));
}

void testBitNotMem32(int32_t a)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    Value* address = root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0);
    MemoryValue* load = root->appendNew<MemoryValue>(proc, Load, Int32, Origin(), address);
    Value* notLoad = root->appendNew<Value>(proc, BitXor, Origin(),
        root->appendNew<Const32Value>(proc, Origin(), -1),
        load);
    root->appendNew<MemoryValue>(proc, Store, Origin(), notLoad, address);
    root->appendNewControlValue(proc, Return, Origin(), root->appendNew<Const32Value>(proc, Origin(), 0));

    int32_t input = a;
    compileAndRun<int32_t>(proc, &input);
    CHECK(isIdentical(input, static_cast<int32_t>((static_cast<uint32_t>(a) ^ 0xffffffff))));
}

void testBitNotOnBooleanAndBranch32(int64_t a, int64_t b)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    BasicBlock* thenCase = proc.addBlock();
    BasicBlock* elseCase = proc.addBlock();

    Value* arg1 = root->appendNew<Value>(proc, Trunc, Origin(),
        root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0));
    Value* arg2 = root->appendNew<Value>(proc, Trunc, Origin(),
        root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR1));
    Value* argsAreEqual = root->appendNew<Value>(proc, Equal, Origin(), arg1, arg2);
    Value* argsAreNotEqual = root->appendNew<Value>(proc, BitXor, Origin(),
        root->appendNew<Const32Value>(proc, Origin(), -1),
        argsAreEqual);

    root->appendNewControlValue(
        proc, Branch, Origin(),
        argsAreNotEqual,
        FrequentedBlock(thenCase), FrequentedBlock(elseCase));

    thenCase->appendNewControlValue(
        proc, Return, Origin(),
        thenCase->appendNew<Const32Value>(proc, Origin(), 42));

    elseCase->appendNewControlValue(
        proc, Return, Origin(),
        elseCase->appendNew<Const32Value>(proc, Origin(), -42));

    int32_t expectedValue = (a != b) ? 42 : -42;
    CHECK(compileAndRun<int32_t>(proc, a, b) == expectedValue);
}

void testShlArgs(int64_t a, int64_t b)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    root->appendNewControlValue(
        proc, Return, Origin(),
        root->appendNew<Value>(
            proc, Shl, Origin(),
            root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0),
            root->appendNew<Value>(
                proc, Trunc, Origin(),
                root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR1))));

    CHECK(compileAndRun<int64_t>(proc, a, b) == (a << b));
}

void testShlImms(int64_t a, int64_t b)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    root->appendNewControlValue(
        proc, Return, Origin(),
        root->appendNew<Value>(
            proc, Shl, Origin(),
            root->appendNew<Const64Value>(proc, Origin(), a),
            root->appendNew<Const32Value>(proc, Origin(), b)));

    CHECK(compileAndRun<int64_t>(proc) == (a << b));
}

void testShlArgImm(int64_t a, int64_t b)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    root->appendNewControlValue(
        proc, Return, Origin(),
        root->appendNew<Value>(
            proc, Shl, Origin(),
            root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0),
            root->appendNew<Const32Value>(proc, Origin(), b)));

    CHECK(compileAndRun<int64_t>(proc, a) == (a << b));
}

void testShlArg32(int32_t a)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    Value* value = root->appendNew<Value>(
        proc, Trunc, Origin(),
        root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0));
    root->appendNewControlValue(
        proc, Return, Origin(),
        root->appendNew<Value>(proc, Shl, Origin(), value, value));

    CHECK(compileAndRun<int32_t>(proc, a) == (a << a));
}

void testShlArgs32(int32_t a, int32_t b)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    root->appendNewControlValue(
        proc, Return, Origin(),
        root->appendNew<Value>(
            proc, Shl, Origin(),
            root->appendNew<Value>(
                proc, Trunc, Origin(),
                root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0)),
            root->appendNew<Value>(
                proc, Trunc, Origin(),
                root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR1))));

    CHECK(compileAndRun<int32_t>(proc, a, b) == (a << b));
}

void testShlImms32(int32_t a, int32_t b)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    root->appendNewControlValue(
        proc, Return, Origin(),
        root->appendNew<Value>(
            proc, Shl, Origin(),
            root->appendNew<Const32Value>(proc, Origin(), a),
            root->appendNew<Const32Value>(proc, Origin(), b)));

    CHECK(compileAndRun<int32_t>(proc) == (a << b));
}

void testShlArgImm32(int32_t a, int32_t b)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    root->appendNewControlValue(
        proc, Return, Origin(),
        root->appendNew<Value>(
            proc, Shl, Origin(),
            root->appendNew<Value>(
                proc, Trunc, Origin(),
                root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0)),
            root->appendNew<Const32Value>(proc, Origin(), b)));

    CHECK(compileAndRun<int32_t>(proc, a) == (a << b));
}

void testSShrArgs(int64_t a, int64_t b)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    root->appendNewControlValue(
        proc, Return, Origin(),
        root->appendNew<Value>(
            proc, SShr, Origin(),
            root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0),
            root->appendNew<Value>(
                proc, Trunc, Origin(),
                root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR1))));

    CHECK(compileAndRun<int64_t>(proc, a, b) == (a >> b));
}

void testSShrImms(int64_t a, int64_t b)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    root->appendNewControlValue(
        proc, Return, Origin(),
        root->appendNew<Value>(
            proc, SShr, Origin(),
            root->appendNew<Const64Value>(proc, Origin(), a),
            root->appendNew<Const32Value>(proc, Origin(), b)));

    CHECK(compileAndRun<int64_t>(proc) == (a >> b));
}

void testSShrArgImm(int64_t a, int64_t b)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    root->appendNewControlValue(
        proc, Return, Origin(),
        root->appendNew<Value>(
            proc, SShr, Origin(),
            root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0),
            root->appendNew<Const32Value>(proc, Origin(), b)));

    CHECK(compileAndRun<int64_t>(proc, a) == (a >> b));
}

void testSShrArg32(int32_t a)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    Value* value = root->appendNew<Value>(
        proc, Trunc, Origin(),
        root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0));
    root->appendNewControlValue(
        proc, Return, Origin(),
        root->appendNew<Value>(proc, SShr, Origin(), value, value));

    CHECK(compileAndRun<int32_t>(proc, a) == (a >> (a & 31)));
}

void testSShrArgs32(int32_t a, int32_t b)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    root->appendNewControlValue(
        proc, Return, Origin(),
        root->appendNew<Value>(
            proc, SShr, Origin(),
            root->appendNew<Value>(
                proc, Trunc, Origin(),
                root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0)),
            root->appendNew<Value>(
                proc, Trunc, Origin(),
                root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR1))));

    CHECK(compileAndRun<int32_t>(proc, a, b) == (a >> b));
}

void testSShrImms32(int32_t a, int32_t b)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    root->appendNewControlValue(
        proc, Return, Origin(),
        root->appendNew<Value>(
            proc, SShr, Origin(),
            root->appendNew<Const32Value>(proc, Origin(), a),
            root->appendNew<Const32Value>(proc, Origin(), b)));

    CHECK(compileAndRun<int32_t>(proc) == (a >> b));
}

void testSShrArgImm32(int32_t a, int32_t b)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    root->appendNewControlValue(
        proc, Return, Origin(),
        root->appendNew<Value>(
            proc, SShr, Origin(),
            root->appendNew<Value>(
                proc, Trunc, Origin(),
                root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0)),
            root->appendNew<Const32Value>(proc, Origin(), b)));

    CHECK(compileAndRun<int32_t>(proc, a) == (a >> b));
}

void testZShrArgs(uint64_t a, uint64_t b)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    root->appendNewControlValue(
        proc, Return, Origin(),
        root->appendNew<Value>(
            proc, ZShr, Origin(),
            root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0),
            root->appendNew<Value>(
                proc, Trunc, Origin(),
                root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR1))));

    CHECK(compileAndRun<uint64_t>(proc, a, b) == (a >> b));
}

void testZShrImms(uint64_t a, uint64_t b)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    root->appendNewControlValue(
        proc, Return, Origin(),
        root->appendNew<Value>(
            proc, ZShr, Origin(),
            root->appendNew<Const64Value>(proc, Origin(), a),
            root->appendNew<Const32Value>(proc, Origin(), b)));

    CHECK(compileAndRun<uint64_t>(proc) == (a >> b));
}

void testZShrArgImm(uint64_t a, uint64_t b)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    root->appendNewControlValue(
        proc, Return, Origin(),
        root->appendNew<Value>(
            proc, ZShr, Origin(),
            root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0),
            root->appendNew<Const32Value>(proc, Origin(), b)));

    CHECK(compileAndRun<uint64_t>(proc, a) == (a >> b));
}

void testZShrArg32(uint32_t a)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    Value* value = root->appendNew<Value>(
        proc, Trunc, Origin(),
        root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0));
    root->appendNewControlValue(
        proc, Return, Origin(),
        root->appendNew<Value>(proc, ZShr, Origin(), value, value));

    CHECK(compileAndRun<uint32_t>(proc, a) == (a >> (a & 31)));
}

void testZShrArgs32(uint32_t a, uint32_t b)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    root->appendNewControlValue(
        proc, Return, Origin(),
        root->appendNew<Value>(
            proc, ZShr, Origin(),
            root->appendNew<Value>(
                proc, Trunc, Origin(),
                root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0)),
            root->appendNew<Value>(
                proc, Trunc, Origin(),
                root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR1))));

    CHECK(compileAndRun<uint32_t>(proc, a, b) == (a >> b));
}

void testZShrImms32(uint32_t a, uint32_t b)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    root->appendNewControlValue(
        proc, Return, Origin(),
        root->appendNew<Value>(
            proc, ZShr, Origin(),
            root->appendNew<Const32Value>(proc, Origin(), a),
            root->appendNew<Const32Value>(proc, Origin(), b)));

    CHECK(compileAndRun<uint32_t>(proc) == (a >> b));
}

void testZShrArgImm32(uint32_t a, uint32_t b)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    root->appendNewControlValue(
        proc, Return, Origin(),
        root->appendNew<Value>(
            proc, ZShr, Origin(),
            root->appendNew<Value>(
                proc, Trunc, Origin(),
                root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0)),
            root->appendNew<Const32Value>(proc, Origin(), b)));

    CHECK(compileAndRun<uint32_t>(proc, a) == (a >> b));
}

template<typename IntegerType>
static unsigned countLeadingZero(IntegerType value)
{
    unsigned bitCount = sizeof(IntegerType) * 8;
    if (!value)
        return bitCount;

    unsigned counter = 0;
    while (!(static_cast<uint64_t>(value) & (1l << (bitCount - 1)))) {
        value <<= 1;
        ++counter;
    }
    return counter;
}

void testClzArg64(int64_t a)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    Value* argument = root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0);
    Value* clzValue = root->appendNew<Value>(proc, Clz, Origin(), argument);
    root->appendNewControlValue(proc, Return, Origin(), clzValue);
    CHECK(compileAndRun<unsigned>(proc, a) == countLeadingZero(a));
}

void testClzMem64(int64_t a)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    Value* address = root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0);
    MemoryValue* value = root->appendNew<MemoryValue>(proc, Load, Int64, Origin(), address);
    Value* clzValue = root->appendNew<Value>(proc, Clz, Origin(), value);
    root->appendNewControlValue(proc, Return, Origin(), clzValue);
    CHECK(compileAndRun<unsigned>(proc, &a) == countLeadingZero(a));
}

void testClzArg32(int32_t a)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    Value* argument = root->appendNew<Value>(proc, Trunc, Origin(),
        root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0));
    Value* clzValue = root->appendNew<Value>(proc, Clz, Origin(), argument);
    root->appendNewControlValue(proc, Return, Origin(), clzValue);
    CHECK(compileAndRun<unsigned>(proc, a) == countLeadingZero(a));
}

void testClzMem32(int32_t a)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    Value* address = root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0);
    MemoryValue* value = root->appendNew<MemoryValue>(proc, Load, Int32, Origin(), address);
    Value* clzValue = root->appendNew<Value>(proc, Clz, Origin(), value);
    root->appendNewControlValue(proc, Return, Origin(), clzValue);
    CHECK(compileAndRun<unsigned>(proc, &a) == countLeadingZero(a));
}

void testAbsArg(double a)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    root->appendNewControlValue(
        proc, Return, Origin(),
        root->appendNew<Value>(
            proc, Abs, Origin(),
                root->appendNew<ArgumentRegValue>(proc, Origin(), FPRInfo::argumentFPR0)));

    CHECK(isIdentical(compileAndRun<double>(proc, a), fabs(a)));
}

void testAbsImm(double a)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    Value* argument = root->appendNew<ConstDoubleValue>(proc, Origin(), a);
    root->appendNewControlValue(
        proc, Return, Origin(),
        root->appendNew<Value>(proc, Abs, Origin(), argument));

    CHECK(isIdentical(compileAndRun<double>(proc), fabs(a)));
}

void testAbsMem(double a)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    Value* address = root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0);
    MemoryValue* loadDouble = root->appendNew<MemoryValue>(proc, Load, Double, Origin(), address);
    root->appendNewControlValue(
        proc, Return, Origin(),
        root->appendNew<Value>(proc, Abs, Origin(), loadDouble));

    CHECK(isIdentical(compileAndRun<double>(proc, &a), fabs(a)));
}

void testAbsAbsArg(double a)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    Value* firstAbs = root->appendNew<Value>(proc, Abs, Origin(),
        root->appendNew<ArgumentRegValue>(proc, Origin(), FPRInfo::argumentFPR0));
    Value* secondAbs = root->appendNew<Value>(proc, Abs, Origin(), firstAbs);
    root->appendNewControlValue(proc, Return, Origin(), secondAbs);

    CHECK(isIdentical(compileAndRun<double>(proc, a), fabs(a)));
}

void testAbsBitwiseCastArg(double a)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    Value* argumentAsInt64 = root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0);
    Value* argumentAsDouble = root->appendNew<Value>(proc, BitwiseCast, Origin(), argumentAsInt64);
    Value* absValue = root->appendNew<Value>(proc, Abs, Origin(), argumentAsDouble);
    root->appendNewControlValue(proc, Return, Origin(), absValue);

    CHECK(isIdentical(compileAndRun<double>(proc, bitwise_cast<int64_t>(a)), fabs(a)));
}

void testBitwiseCastAbsBitwiseCastArg(double a)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    Value* argumentAsInt64 = root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0);
    Value* argumentAsDouble = root->appendNew<Value>(proc, BitwiseCast, Origin(), argumentAsInt64);
    Value* absValue = root->appendNew<Value>(proc, Abs, Origin(), argumentAsDouble);
    Value* resultAsInt64 = root->appendNew<Value>(proc, BitwiseCast, Origin(), absValue);

    root->appendNewControlValue(proc, Return, Origin(), resultAsInt64);

    int64_t expectedResult = bitwise_cast<int64_t>(fabs(a));
    CHECK(isIdentical(compileAndRun<int64_t>(proc, bitwise_cast<int64_t>(a)), expectedResult));
}

void testAbsArg(float a)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    Value* argument32 = root->appendNew<Value>(proc, Trunc, Origin(),
        root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0));
    Value* argument = root->appendNew<Value>(proc, BitwiseCast, Origin(), argument32);
    Value* result = root->appendNew<Value>(proc, Abs, Origin(), argument);
    Value* result32 = root->appendNew<Value>(proc, BitwiseCast, Origin(), result);
    root->appendNewControlValue(proc, Return, Origin(), result32);

    CHECK(isIdentical(compileAndRun<int32_t>(proc, bitwise_cast<int32_t>(a)), bitwise_cast<int32_t>(static_cast<float>(fabs(a)))));
}

void testAbsImm(float a)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    Value* argument = root->appendNew<ConstFloatValue>(proc, Origin(), a);
    Value* result = root->appendNew<Value>(proc, Abs, Origin(), argument);
    Value* result32 = root->appendNew<Value>(proc, BitwiseCast, Origin(), result);
    root->appendNewControlValue(proc, Return, Origin(), result32);

    CHECK(isIdentical(compileAndRun<int32_t>(proc, bitwise_cast<int32_t>(a)), bitwise_cast<int32_t>(static_cast<float>(fabs(a)))));
}

void testAbsMem(float a)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    Value* address = root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0);
    MemoryValue* loadFloat = root->appendNew<MemoryValue>(proc, Load, Float, Origin(), address);
    Value* result = root->appendNew<Value>(proc, Abs, Origin(), loadFloat);
    Value* result32 = root->appendNew<Value>(proc, BitwiseCast, Origin(), result);
    root->appendNewControlValue(proc, Return, Origin(), result32);

    CHECK(isIdentical(compileAndRun<int32_t>(proc, &a), bitwise_cast<int32_t>(static_cast<float>(fabs(a)))));
}

void testAbsAbsArg(float a)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    Value* argument32 = root->appendNew<Value>(proc, Trunc, Origin(),
        root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0));
    Value* argument = root->appendNew<Value>(proc, BitwiseCast, Origin(), argument32);
    Value* firstAbs = root->appendNew<Value>(proc, Abs, Origin(), argument);
    Value* secondAbs = root->appendNew<Value>(proc, Abs, Origin(), firstAbs);
    root->appendNewControlValue(proc, Return, Origin(), secondAbs);

    CHECK(isIdentical(compileAndRun<float>(proc, bitwise_cast<int32_t>(a)), static_cast<float>(fabs(a))));
}

void testAbsBitwiseCastArg(float a)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    Value* argumentAsInt32 = root->appendNew<Value>(proc, Trunc, Origin(),
        root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0));
    Value* argumentAsfloat = root->appendNew<Value>(proc, BitwiseCast, Origin(), argumentAsInt32);
    Value* absValue = root->appendNew<Value>(proc, Abs, Origin(), argumentAsfloat);
    root->appendNewControlValue(proc, Return, Origin(), absValue);

    CHECK(isIdentical(compileAndRun<float>(proc, bitwise_cast<int32_t>(a)), static_cast<float>(fabs(a))));
}

void testBitwiseCastAbsBitwiseCastArg(float a)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    Value* argumentAsInt32 = root->appendNew<Value>(proc, Trunc, Origin(),
        root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0));
    Value* argumentAsfloat = root->appendNew<Value>(proc, BitwiseCast, Origin(), argumentAsInt32);
    Value* absValue = root->appendNew<Value>(proc, Abs, Origin(), argumentAsfloat);
    Value* resultAsInt64 = root->appendNew<Value>(proc, BitwiseCast, Origin(), absValue);

    root->appendNewControlValue(proc, Return, Origin(), resultAsInt64);

    int32_t expectedResult = bitwise_cast<int32_t>(static_cast<float>(fabs(a)));
    CHECK(isIdentical(compileAndRun<int32_t>(proc, bitwise_cast<int32_t>(a)), expectedResult));
}

void testAbsArgWithUselessDoubleConversion(float a)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    Value* argument32 = root->appendNew<Value>(proc, Trunc, Origin(),
        root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0));
    Value* floatValue = root->appendNew<Value>(proc, BitwiseCast, Origin(), argument32);
    Value* asDouble = root->appendNew<Value>(proc, FloatToDouble, Origin(), floatValue);
    Value* result = root->appendNew<Value>(proc, Abs, Origin(), asDouble);
    Value* floatResult = root->appendNew<Value>(proc, DoubleToFloat, Origin(), result);
    Value* result32 = root->appendNew<Value>(proc, BitwiseCast, Origin(), floatResult);
    root->appendNewControlValue(proc, Return, Origin(), result32);

    CHECK(isIdentical(compileAndRun<int32_t>(proc, bitwise_cast<int32_t>(a)), bitwise_cast<int32_t>(static_cast<float>(fabs(a)))));
}

void testAbsArgWithEffectfulDoubleConversion(float a)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    Value* argument32 = root->appendNew<Value>(proc, Trunc, Origin(),
        root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0));
    Value* floatValue = root->appendNew<Value>(proc, BitwiseCast, Origin(), argument32);
    Value* asDouble = root->appendNew<Value>(proc, FloatToDouble, Origin(), floatValue);
    Value* result = root->appendNew<Value>(proc, Abs, Origin(), asDouble);
    Value* floatResult = root->appendNew<Value>(proc, DoubleToFloat, Origin(), result);
    Value* result32 = root->appendNew<Value>(proc, BitwiseCast, Origin(), floatResult);
    Value* doubleAddress = root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR1);
    root->appendNew<MemoryValue>(proc, Store, Origin(), result, doubleAddress);
    root->appendNewControlValue(proc, Return, Origin(), result32);

    double effect = 0;
    int32_t resultValue = compileAndRun<int32_t>(proc, bitwise_cast<int32_t>(a), &effect);
    CHECK(isIdentical(resultValue, bitwise_cast<int32_t>(static_cast<float>(fabs(a)))));
    CHECK(isIdentical(effect, fabs(a)));
}

void testCeilArg(double a)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    root->appendNewControlValue(
        proc, Return, Origin(),
        root->appendNew<Value>(
            proc, Ceil, Origin(),
                root->appendNew<ArgumentRegValue>(proc, Origin(), FPRInfo::argumentFPR0)));

    CHECK(isIdentical(compileAndRun<double>(proc, a), ceil(a)));
}

void testCeilImm(double a)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    Value* argument = root->appendNew<ConstDoubleValue>(proc, Origin(), a);
    root->appendNewControlValue(
        proc, Return, Origin(),
        root->appendNew<Value>(proc, Ceil, Origin(), argument));

    CHECK(isIdentical(compileAndRun<double>(proc), ceil(a)));
}

void testCeilMem(double a)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    Value* address = root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0);
    MemoryValue* loadDouble = root->appendNew<MemoryValue>(proc, Load, Double, Origin(), address);
    root->appendNewControlValue(
        proc, Return, Origin(),
        root->appendNew<Value>(proc, Ceil, Origin(), loadDouble));

    CHECK(isIdentical(compileAndRun<double>(proc, &a), ceil(a)));
}

void testCeilCeilArg(double a)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    Value* firstCeil = root->appendNew<Value>(proc, Ceil, Origin(),
        root->appendNew<ArgumentRegValue>(proc, Origin(), FPRInfo::argumentFPR0));
    Value* secondCeil = root->appendNew<Value>(proc, Ceil, Origin(), firstCeil);
    root->appendNewControlValue(proc, Return, Origin(), secondCeil);

    CHECK(isIdentical(compileAndRun<double>(proc, a), ceil(a)));
}

void testFloorCeilArg(double a)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    Value* firstCeil = root->appendNew<Value>(proc, Ceil, Origin(),
        root->appendNew<ArgumentRegValue>(proc, Origin(), FPRInfo::argumentFPR0));
    Value* wrappingFloor = root->appendNew<Value>(proc, Floor, Origin(), firstCeil);
    root->appendNewControlValue(proc, Return, Origin(), wrappingFloor);

    CHECK(isIdentical(compileAndRun<double>(proc, a), ceil(a)));
}

void testCeilIToD64(int64_t a)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    Value* argument = root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0);
    Value* argumentAsDouble = root->appendNew<Value>(proc, IToD, Origin(), argument);

    root->appendNewControlValue(
        proc, Return, Origin(),
        root->appendNew<Value>(proc, Ceil, Origin(), argumentAsDouble));

    CHECK(isIdentical(compileAndRun<double>(proc, a), ceil(static_cast<double>(a))));
}

void testCeilIToD32(int64_t a)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    Value* argument = root->appendNew<Value>(proc, Trunc, Origin(),
        root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0));
    Value* argumentAsDouble = root->appendNew<Value>(proc, IToD, Origin(), argument);

    root->appendNewControlValue(
        proc, Return, Origin(),
        root->appendNew<Value>(proc, Ceil, Origin(), argumentAsDouble));

    CHECK(isIdentical(compileAndRun<double>(proc, a), ceil(static_cast<double>(a))));
}

void testCeilArg(float a)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    Value* argument32 = root->appendNew<Value>(proc, Trunc, Origin(),
        root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0));
    Value* argument = root->appendNew<Value>(proc, BitwiseCast, Origin(), argument32);
    Value* result = root->appendNew<Value>(proc, Ceil, Origin(), argument);
    Value* result32 = root->appendNew<Value>(proc, BitwiseCast, Origin(), result);
    root->appendNewControlValue(proc, Return, Origin(), result32);

    CHECK(isIdentical(compileAndRun<int32_t>(proc, bitwise_cast<int32_t>(a)), bitwise_cast<int32_t>(ceilf(a))));
}

void testCeilImm(float a)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    Value* argument = root->appendNew<ConstFloatValue>(proc, Origin(), a);
    Value* result = root->appendNew<Value>(proc, Ceil, Origin(), argument);
    Value* result32 = root->appendNew<Value>(proc, BitwiseCast, Origin(), result);
    root->appendNewControlValue(proc, Return, Origin(), result32);

    CHECK(isIdentical(compileAndRun<int32_t>(proc, bitwise_cast<int32_t>(a)), bitwise_cast<int32_t>(ceilf(a))));
}

void testCeilMem(float a)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    Value* address = root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0);
    MemoryValue* loadFloat = root->appendNew<MemoryValue>(proc, Load, Float, Origin(), address);
    Value* result = root->appendNew<Value>(proc, Ceil, Origin(), loadFloat);
    Value* result32 = root->appendNew<Value>(proc, BitwiseCast, Origin(), result);
    root->appendNewControlValue(proc, Return, Origin(), result32);

    CHECK(isIdentical(compileAndRun<int32_t>(proc, &a), bitwise_cast<int32_t>(ceilf(a))));
}

void testCeilCeilArg(float a)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    Value* argument32 = root->appendNew<Value>(proc, Trunc, Origin(),
        root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0));
    Value* argument = root->appendNew<Value>(proc, BitwiseCast, Origin(), argument32);
    Value* firstCeil = root->appendNew<Value>(proc, Ceil, Origin(), argument);
    Value* secondCeil = root->appendNew<Value>(proc, Ceil, Origin(), firstCeil);
    root->appendNewControlValue(proc, Return, Origin(), secondCeil);

    CHECK(isIdentical(compileAndRun<float>(proc, bitwise_cast<int32_t>(a)), ceilf(a)));
}

void testFloorCeilArg(float a)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    Value* argument32 = root->appendNew<Value>(proc, Trunc, Origin(),
        root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0));
    Value* argument = root->appendNew<Value>(proc, BitwiseCast, Origin(), argument32);
    Value* firstCeil = root->appendNew<Value>(proc, Ceil, Origin(), argument);
    Value* wrappingFloor = root->appendNew<Value>(proc, Floor, Origin(), firstCeil);
    root->appendNewControlValue(proc, Return, Origin(), wrappingFloor);

    CHECK(isIdentical(compileAndRun<float>(proc, bitwise_cast<int32_t>(a)), ceilf(a)));
}

void testCeilArgWithUselessDoubleConversion(float a)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    Value* argument32 = root->appendNew<Value>(proc, Trunc, Origin(),
        root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0));
    Value* floatValue = root->appendNew<Value>(proc, BitwiseCast, Origin(), argument32);
    Value* asDouble = root->appendNew<Value>(proc, FloatToDouble, Origin(), floatValue);
    Value* result = root->appendNew<Value>(proc, Ceil, Origin(), asDouble);
    Value* floatResult = root->appendNew<Value>(proc, DoubleToFloat, Origin(), result);
    Value* result32 = root->appendNew<Value>(proc, BitwiseCast, Origin(), floatResult);
    root->appendNewControlValue(proc, Return, Origin(), result32);

    CHECK(isIdentical(compileAndRun<int32_t>(proc, bitwise_cast<int32_t>(a)), bitwise_cast<int32_t>(ceilf(a))));
}

void testCeilArgWithEffectfulDoubleConversion(float a)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    Value* argument32 = root->appendNew<Value>(proc, Trunc, Origin(),
        root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0));
    Value* floatValue = root->appendNew<Value>(proc, BitwiseCast, Origin(), argument32);
    Value* asDouble = root->appendNew<Value>(proc, FloatToDouble, Origin(), floatValue);
    Value* result = root->appendNew<Value>(proc, Ceil, Origin(), asDouble);
    Value* floatResult = root->appendNew<Value>(proc, DoubleToFloat, Origin(), result);
    Value* result32 = root->appendNew<Value>(proc, BitwiseCast, Origin(), floatResult);
    Value* doubleAddress = root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR1);
    root->appendNew<MemoryValue>(proc, Store, Origin(), result, doubleAddress);
    root->appendNewControlValue(proc, Return, Origin(), result32);

    double effect = 0;
    int32_t resultValue = compileAndRun<int32_t>(proc, bitwise_cast<int32_t>(a), &effect);
    CHECK(isIdentical(resultValue, bitwise_cast<int32_t>(ceilf(a))));
    CHECK(isIdentical(effect, static_cast<double>(ceilf(a))));
}

void testFloorArg(double a)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    root->appendNewControlValue(
        proc, Return, Origin(),
        root->appendNew<Value>(
            proc, Floor, Origin(),
                root->appendNew<ArgumentRegValue>(proc, Origin(), FPRInfo::argumentFPR0)));

    CHECK(isIdentical(compileAndRun<double>(proc, a), floor(a)));
}

void testFloorImm(double a)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    Value* argument = root->appendNew<ConstDoubleValue>(proc, Origin(), a);
    root->appendNewControlValue(
        proc, Return, Origin(),
        root->appendNew<Value>(proc, Floor, Origin(), argument));

    CHECK(isIdentical(compileAndRun<double>(proc), floor(a)));
}

void testFloorMem(double a)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    Value* address = root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0);
    MemoryValue* loadDouble = root->appendNew<MemoryValue>(proc, Load, Double, Origin(), address);
    root->appendNewControlValue(
        proc, Return, Origin(),
        root->appendNew<Value>(proc, Floor, Origin(), loadDouble));

    CHECK(isIdentical(compileAndRun<double>(proc, &a), floor(a)));
}

void testFloorFloorArg(double a)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    Value* firstFloor = root->appendNew<Value>(proc, Floor, Origin(),
        root->appendNew<ArgumentRegValue>(proc, Origin(), FPRInfo::argumentFPR0));
    Value* secondFloor = root->appendNew<Value>(proc, Floor, Origin(), firstFloor);
    root->appendNewControlValue(proc, Return, Origin(), secondFloor);

    CHECK(isIdentical(compileAndRun<double>(proc, a), floor(a)));
}

void testCeilFloorArg(double a)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    Value* firstFloor = root->appendNew<Value>(proc, Floor, Origin(),
        root->appendNew<ArgumentRegValue>(proc, Origin(), FPRInfo::argumentFPR0));
    Value* wrappingCeil = root->appendNew<Value>(proc, Ceil, Origin(), firstFloor);
    root->appendNewControlValue(proc, Return, Origin(), wrappingCeil);

    CHECK(isIdentical(compileAndRun<double>(proc, a), floor(a)));
}

void testFloorIToD64(int64_t a)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    Value* argument = root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0);
    Value* argumentAsDouble = root->appendNew<Value>(proc, IToD, Origin(), argument);

    root->appendNewControlValue(
        proc, Return, Origin(),
        root->appendNew<Value>(proc, Floor, Origin(), argumentAsDouble));

    CHECK(isIdentical(compileAndRun<double>(proc, a), floor(static_cast<double>(a))));
}

void testFloorIToD32(int64_t a)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    Value* argument = root->appendNew<Value>(proc, Trunc, Origin(),
        root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0));
    Value* argumentAsDouble = root->appendNew<Value>(proc, IToD, Origin(), argument);

    root->appendNewControlValue(
        proc, Return, Origin(),
        root->appendNew<Value>(proc, Floor, Origin(), argumentAsDouble));

    CHECK(isIdentical(compileAndRun<double>(proc, a), floor(static_cast<double>(a))));
}

void testFloorArg(float a)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    Value* argument32 = root->appendNew<Value>(proc, Trunc, Origin(),
        root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0));
    Value* argument = root->appendNew<Value>(proc, BitwiseCast, Origin(), argument32);
    Value* result = root->appendNew<Value>(proc, Floor, Origin(), argument);
    Value* result32 = root->appendNew<Value>(proc, BitwiseCast, Origin(), result);
    root->appendNewControlValue(proc, Return, Origin(), result32);

    CHECK(isIdentical(compileAndRun<int32_t>(proc, bitwise_cast<int32_t>(a)), bitwise_cast<int32_t>(floorf(a))));
}

void testFloorImm(float a)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    Value* argument = root->appendNew<ConstFloatValue>(proc, Origin(), a);
    Value* result = root->appendNew<Value>(proc, Floor, Origin(), argument);
    Value* result32 = root->appendNew<Value>(proc, BitwiseCast, Origin(), result);
    root->appendNewControlValue(proc, Return, Origin(), result32);

    CHECK(isIdentical(compileAndRun<int32_t>(proc, bitwise_cast<int32_t>(a)), bitwise_cast<int32_t>(floorf(a))));
}

void testFloorMem(float a)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    Value* address = root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0);
    MemoryValue* loadFloat = root->appendNew<MemoryValue>(proc, Load, Float, Origin(), address);
    Value* result = root->appendNew<Value>(proc, Floor, Origin(), loadFloat);
    Value* result32 = root->appendNew<Value>(proc, BitwiseCast, Origin(), result);
    root->appendNewControlValue(proc, Return, Origin(), result32);

    CHECK(isIdentical(compileAndRun<int32_t>(proc, &a), bitwise_cast<int32_t>(floorf(a))));
}

void testFloorFloorArg(float a)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    Value* argument32 = root->appendNew<Value>(proc, Trunc, Origin(),
        root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0));
    Value* argument = root->appendNew<Value>(proc, BitwiseCast, Origin(), argument32);
    Value* firstFloor = root->appendNew<Value>(proc, Floor, Origin(), argument);
    Value* secondFloor = root->appendNew<Value>(proc, Floor, Origin(), firstFloor);
    root->appendNewControlValue(proc, Return, Origin(), secondFloor);

    CHECK(isIdentical(compileAndRun<float>(proc, bitwise_cast<int32_t>(a)), floorf(a)));
}

void testCeilFloorArg(float a)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    Value* argument32 = root->appendNew<Value>(proc, Trunc, Origin(),
        root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0));
    Value* argument = root->appendNew<Value>(proc, BitwiseCast, Origin(), argument32);
    Value* firstFloor = root->appendNew<Value>(proc, Floor, Origin(), argument);
    Value* wrappingCeil = root->appendNew<Value>(proc, Ceil, Origin(), firstFloor);
    root->appendNewControlValue(proc, Return, Origin(), wrappingCeil);

    CHECK(isIdentical(compileAndRun<float>(proc, bitwise_cast<int32_t>(a)), floorf(a)));
}

void testFloorArgWithUselessDoubleConversion(float a)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    Value* argument32 = root->appendNew<Value>(proc, Trunc, Origin(),
        root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0));
    Value* floatValue = root->appendNew<Value>(proc, BitwiseCast, Origin(), argument32);
    Value* asDouble = root->appendNew<Value>(proc, FloatToDouble, Origin(), floatValue);
    Value* result = root->appendNew<Value>(proc, Floor, Origin(), asDouble);
    Value* floatResult = root->appendNew<Value>(proc, DoubleToFloat, Origin(), result);
    Value* result32 = root->appendNew<Value>(proc, BitwiseCast, Origin(), floatResult);
    root->appendNewControlValue(proc, Return, Origin(), result32);

    CHECK(isIdentical(compileAndRun<int32_t>(proc, bitwise_cast<int32_t>(a)), bitwise_cast<int32_t>(floorf(a))));
}

void testFloorArgWithEffectfulDoubleConversion(float a)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    Value* argument32 = root->appendNew<Value>(proc, Trunc, Origin(),
        root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0));
    Value* floatValue = root->appendNew<Value>(proc, BitwiseCast, Origin(), argument32);
    Value* asDouble = root->appendNew<Value>(proc, FloatToDouble, Origin(), floatValue);
    Value* result = root->appendNew<Value>(proc, Floor, Origin(), asDouble);
    Value* floatResult = root->appendNew<Value>(proc, DoubleToFloat, Origin(), result);
    Value* result32 = root->appendNew<Value>(proc, BitwiseCast, Origin(), floatResult);
    Value* doubleAddress = root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR1);
    root->appendNew<MemoryValue>(proc, Store, Origin(), result, doubleAddress);
    root->appendNewControlValue(proc, Return, Origin(), result32);

    double effect = 0;
    int32_t resultValue = compileAndRun<int32_t>(proc, bitwise_cast<int32_t>(a), &effect);
    CHECK(isIdentical(resultValue, bitwise_cast<int32_t>(floorf(a))));
    CHECK(isIdentical(effect, static_cast<double>(floorf(a))));
}

void testSqrtArg(double a)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    root->appendNewControlValue(
        proc, Return, Origin(),
        root->appendNew<Value>(
            proc, Sqrt, Origin(),
                root->appendNew<ArgumentRegValue>(proc, Origin(), FPRInfo::argumentFPR0)));

    CHECK(isIdentical(compileAndRun<double>(proc, a), sqrt(a)));
}

void testSqrtImm(double a)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    Value* argument = root->appendNew<ConstDoubleValue>(proc, Origin(), a);
    root->appendNewControlValue(
        proc, Return, Origin(),
        root->appendNew<Value>(proc, Sqrt, Origin(), argument));

    CHECK(isIdentical(compileAndRun<double>(proc), sqrt(a)));
}

void testSqrtMem(double a)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    Value* address = root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0);
    MemoryValue* loadDouble = root->appendNew<MemoryValue>(proc, Load, Double, Origin(), address);
    root->appendNewControlValue(
        proc, Return, Origin(),
        root->appendNew<Value>(proc, Sqrt, Origin(), loadDouble));

    CHECK(isIdentical(compileAndRun<double>(proc, &a), sqrt(a)));
}

void testSqrtArg(float a)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    Value* argument32 = root->appendNew<Value>(proc, Trunc, Origin(),
        root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0));
    Value* argument = root->appendNew<Value>(proc, BitwiseCast, Origin(), argument32);
    Value* result = root->appendNew<Value>(proc, Sqrt, Origin(), argument);
    Value* result32 = root->appendNew<Value>(proc, BitwiseCast, Origin(), result);
    root->appendNewControlValue(proc, Return, Origin(), result32);

    CHECK(isIdentical(compileAndRun<int32_t>(proc, bitwise_cast<int32_t>(a)), bitwise_cast<int32_t>(static_cast<float>(sqrt(a)))));
}

void testSqrtImm(float a)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    Value* argument = root->appendNew<ConstFloatValue>(proc, Origin(), a);
    Value* result = root->appendNew<Value>(proc, Sqrt, Origin(), argument);
    Value* result32 = root->appendNew<Value>(proc, BitwiseCast, Origin(), result);
    root->appendNewControlValue(proc, Return, Origin(), result32);

    CHECK(isIdentical(compileAndRun<int32_t>(proc, bitwise_cast<int32_t>(a)), bitwise_cast<int32_t>(static_cast<float>(sqrt(a)))));
}

void testSqrtMem(float a)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    Value* address = root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0);
    MemoryValue* loadFloat = root->appendNew<MemoryValue>(proc, Load, Float, Origin(), address);
    Value* result = root->appendNew<Value>(proc, Sqrt, Origin(), loadFloat);
    Value* result32 = root->appendNew<Value>(proc, BitwiseCast, Origin(), result);
    root->appendNewControlValue(proc, Return, Origin(), result32);

    CHECK(isIdentical(compileAndRun<int32_t>(proc, &a), bitwise_cast<int32_t>(static_cast<float>(sqrt(a)))));
}

void testSqrtArgWithUselessDoubleConversion(float a)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    Value* argument32 = root->appendNew<Value>(proc, Trunc, Origin(),
        root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0));
    Value* floatValue = root->appendNew<Value>(proc, BitwiseCast, Origin(), argument32);
    Value* asDouble = root->appendNew<Value>(proc, FloatToDouble, Origin(), floatValue);
    Value* result = root->appendNew<Value>(proc, Sqrt, Origin(), asDouble);
    Value* floatResult = root->appendNew<Value>(proc, DoubleToFloat, Origin(), result);
    Value* result32 = root->appendNew<Value>(proc, BitwiseCast, Origin(), floatResult);
    root->appendNewControlValue(proc, Return, Origin(), result32);

    CHECK(isIdentical(compileAndRun<int32_t>(proc, bitwise_cast<int32_t>(a)), bitwise_cast<int32_t>(static_cast<float>(sqrt(a)))));
}

void testSqrtArgWithEffectfulDoubleConversion(float a)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    Value* argument32 = root->appendNew<Value>(proc, Trunc, Origin(),
        root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0));
    Value* floatValue = root->appendNew<Value>(proc, BitwiseCast, Origin(), argument32);
    Value* asDouble = root->appendNew<Value>(proc, FloatToDouble, Origin(), floatValue);
    Value* result = root->appendNew<Value>(proc, Sqrt, Origin(), asDouble);
    Value* floatResult = root->appendNew<Value>(proc, DoubleToFloat, Origin(), result);
    Value* result32 = root->appendNew<Value>(proc, BitwiseCast, Origin(), floatResult);
    Value* doubleAddress = root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR1);
    root->appendNew<MemoryValue>(proc, Store, Origin(), result, doubleAddress);
    root->appendNewControlValue(proc, Return, Origin(), result32);

    double effect = 0;
    int32_t resultValue = compileAndRun<int32_t>(proc, bitwise_cast<int32_t>(a), &effect);
    CHECK(isIdentical(resultValue, bitwise_cast<int32_t>(static_cast<float>(sqrt(a)))));
    CHECK(isIdentical(effect, sqrt(a)));
}

void testCompareTwoFloatToDouble(float a, float b)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();

    Value* arg1As32 = root->appendNew<Value>(proc, Trunc, Origin(),
        root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0));
    Value* arg1Float = root->appendNew<Value>(proc, BitwiseCast, Origin(), arg1As32);
    Value* arg1AsDouble = root->appendNew<Value>(proc, FloatToDouble, Origin(), arg1Float);

    Value* arg2As32 = root->appendNew<Value>(proc, Trunc, Origin(),
        root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR1));
    Value* arg2Float = root->appendNew<Value>(proc, BitwiseCast, Origin(), arg2As32);
    Value* arg2AsDouble = root->appendNew<Value>(proc, FloatToDouble, Origin(), arg2Float);
    Value* equal = root->appendNew<Value>(proc, Equal, Origin(), arg1AsDouble, arg2AsDouble);

    root->appendNewControlValue(proc, Return, Origin(), equal);

    CHECK(compileAndRun<int64_t>(proc, bitwise_cast<int32_t>(a), bitwise_cast<int32_t>(b)) == (a == b));
}

void testCompareOneFloatToDouble(float a, double b)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();

    Value* arg1As32 = root->appendNew<Value>(proc, Trunc, Origin(),
        root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0));
    Value* arg1Float = root->appendNew<Value>(proc, BitwiseCast, Origin(), arg1As32);
    Value* arg1AsDouble = root->appendNew<Value>(proc, FloatToDouble, Origin(), arg1Float);

    Value* arg2AsDouble = root->appendNew<ArgumentRegValue>(proc, Origin(), FPRInfo::argumentFPR0);
    Value* equal = root->appendNew<Value>(proc, Equal, Origin(), arg1AsDouble, arg2AsDouble);

    root->appendNewControlValue(proc, Return, Origin(), equal);

    CHECK(compileAndRun<int64_t>(proc, bitwise_cast<int32_t>(a), b) == (a == b));
}

void testCompareFloatToDoubleThroughPhi(float a, float b)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    BasicBlock* thenCase = proc.addBlock();
    BasicBlock* elseCase = proc.addBlock();
    BasicBlock* tail = proc.addBlock();

    Value* condition = root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0);

    Value* arg1As32 = root->appendNew<Value>(proc, Trunc, Origin(),
        root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR1));
    Value* arg1Float = root->appendNew<Value>(proc, BitwiseCast, Origin(), arg1As32);
    Value* arg1AsDouble = root->appendNew<Value>(proc, FloatToDouble, Origin(), arg1Float);

    Value* arg2AsDouble = root->appendNew<ArgumentRegValue>(proc, Origin(), FPRInfo::argumentFPR0);
    Value* arg2AsFloat = root->appendNew<Value>(proc, DoubleToFloat, Origin(), arg2AsDouble);
    Value* arg2AsFRoundedDouble = root->appendNew<Value>(proc, FloatToDouble, Origin(), arg2AsFloat);

    root->appendNewControlValue(
        proc, Branch, Origin(),
        condition,
        FrequentedBlock(thenCase), FrequentedBlock(elseCase));

    UpsilonValue* thenValue = thenCase->appendNew<UpsilonValue>(proc, Origin(), arg1AsDouble);
    thenCase->appendNewControlValue(proc, Jump, Origin(), FrequentedBlock(tail));

    Value* elseConst = elseCase->appendNew<ConstDoubleValue>(proc, Origin(), 0.);
    UpsilonValue* elseValue = elseCase->appendNew<UpsilonValue>(proc, Origin(), elseConst);
    elseCase->appendNewControlValue(proc, Jump, Origin(), FrequentedBlock(tail));

    Value* doubleInput = tail->appendNew<Value>(proc, Phi, Double, Origin());
    thenValue->setPhi(doubleInput);
    elseValue->setPhi(doubleInput);
    Value* equal = tail->appendNew<Value>(proc, Equal, Origin(), doubleInput, arg2AsFRoundedDouble);
    tail->appendNewControlValue(proc, Return, Origin(), equal);

    auto code = compile(proc);
    int32_t integerA = bitwise_cast<int32_t>(a);
    double doubleB = b;
    CHECK(invoke<int64_t>(*code, 1, integerA, doubleB) == (a == b));
    CHECK(invoke<int64_t>(*code, 0, integerA, doubleB) == (b == 0));
}

void testDoubleToFloatThroughPhi(float value)
{
    // Simple case of:
    //     if (a) {
    //         x = DoubleAdd(a, b)
    //     else
    //         x = DoubleAdd(a, c)
    //     DoubleToFloat(x)
    //
    // Both Adds can be converted to float add.
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    BasicBlock* thenCase = proc.addBlock();
    BasicBlock* elseCase = proc.addBlock();
    BasicBlock* tail = proc.addBlock();

    Value* condition = root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0);
    Value* argument32 = root->appendNew<Value>(proc, Trunc, Origin(),
        root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR1));
    Value* floatValue = root->appendNew<Value>(proc, BitwiseCast, Origin(), argument32);
    Value* argAsDouble = root->appendNew<Value>(proc, FloatToDouble, Origin(), floatValue);

    root->appendNewControlValue(
        proc, Branch, Origin(),
        condition,
        FrequentedBlock(thenCase), FrequentedBlock(elseCase));

    Value* postitiveConst = thenCase->appendNew<ConstDoubleValue>(proc, Origin(), 42.5f);
    Value* thenAdd = thenCase->appendNew<Value>(proc, Add, Origin(), argAsDouble, postitiveConst);
    UpsilonValue* thenValue = thenCase->appendNew<UpsilonValue>(proc, Origin(), thenAdd);
    thenCase->appendNewControlValue(proc, Jump, Origin(), FrequentedBlock(tail));

    Value* elseConst = elseCase->appendNew<ConstDoubleValue>(proc, Origin(), M_PI);
    UpsilonValue* elseValue = elseCase->appendNew<UpsilonValue>(proc, Origin(), elseConst);
    elseCase->appendNewControlValue(proc, Jump, Origin(), FrequentedBlock(tail));

    Value* doubleInput = tail->appendNew<Value>(proc, Phi, Double, Origin());
    thenValue->setPhi(doubleInput);
    elseValue->setPhi(doubleInput);
    Value* floatResult = tail->appendNew<Value>(proc, DoubleToFloat, Origin(), doubleInput);
    tail->appendNewControlValue(proc, Return, Origin(), floatResult);

    auto code = compile(proc);
    CHECK(isIdentical(invoke<float>(*code, 1, bitwise_cast<int32_t>(value)), value + 42.5f));
    CHECK(isIdentical(invoke<float>(*code, 0, bitwise_cast<int32_t>(value)), static_cast<float>(M_PI)));
}

void testDoubleProducerPhiToFloatConversion(float value)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    BasicBlock* thenCase = proc.addBlock();
    BasicBlock* elseCase = proc.addBlock();
    BasicBlock* tail = proc.addBlock();

    Value* condition = root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0);
    Value* argument32 = root->appendNew<Value>(proc, Trunc, Origin(),
        root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR1));
    Value* floatValue = root->appendNew<Value>(proc, BitwiseCast, Origin(), argument32);

    root->appendNewControlValue(
        proc, Branch, Origin(),
        condition,
        FrequentedBlock(thenCase), FrequentedBlock(elseCase));

    Value* asDouble = thenCase->appendNew<Value>(proc, FloatToDouble, Origin(), floatValue);
    UpsilonValue* thenValue = thenCase->appendNew<UpsilonValue>(proc, Origin(), asDouble);
    thenCase->appendNewControlValue(proc, Jump, Origin(), FrequentedBlock(tail));

    Value* constDouble = elseCase->appendNew<ConstDoubleValue>(proc, Origin(), 42.5);
    UpsilonValue* elseValue = elseCase->appendNew<UpsilonValue>(proc, Origin(), constDouble);
    elseCase->appendNewControlValue(proc, Jump, Origin(), FrequentedBlock(tail));

    Value* doubleInput = tail->appendNew<Value>(proc, Phi, Double, Origin());
    thenValue->setPhi(doubleInput);
    elseValue->setPhi(doubleInput);

    Value* argAsDoubleAgain = tail->appendNew<Value>(proc, FloatToDouble, Origin(), floatValue);
    Value* finalAdd = tail->appendNew<Value>(proc, Add, Origin(), doubleInput, argAsDoubleAgain);
    Value* floatResult = tail->appendNew<Value>(proc, DoubleToFloat, Origin(), finalAdd);
    tail->appendNewControlValue(proc, Return, Origin(), floatResult);

    auto code = compile(proc);
    CHECK(isIdentical(invoke<float>(*code, 1, bitwise_cast<int32_t>(value)), value + value));
    CHECK(isIdentical(invoke<float>(*code, 0, bitwise_cast<int32_t>(value)), 42.5f + value));
}

void testDoubleProducerPhiToFloatConversionWithDoubleConsumer(float value)
{
    // In this case, the Upsilon-Phi effectively contains a Float value, but it is used
    // as a Float and as a Double.
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    BasicBlock* thenCase = proc.addBlock();
    BasicBlock* elseCase = proc.addBlock();
    BasicBlock* tail = proc.addBlock();

    Value* condition = root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0);
    Value* argument32 = root->appendNew<Value>(proc, Trunc, Origin(),
        root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR1));
    Value* floatValue = root->appendNew<Value>(proc, BitwiseCast, Origin(), argument32);

    root->appendNewControlValue(
        proc, Branch, Origin(),
        condition,
        FrequentedBlock(thenCase), FrequentedBlock(elseCase));

    Value* asDouble = thenCase->appendNew<Value>(proc, FloatToDouble, Origin(), floatValue);
    UpsilonValue* thenValue = thenCase->appendNew<UpsilonValue>(proc, Origin(), asDouble);
    thenCase->appendNewControlValue(proc, Jump, Origin(), FrequentedBlock(tail));

    Value* constDouble = elseCase->appendNew<ConstDoubleValue>(proc, Origin(), 42.5);
    UpsilonValue* elseValue = elseCase->appendNew<UpsilonValue>(proc, Origin(), constDouble);
    elseCase->appendNewControlValue(proc, Jump, Origin(), FrequentedBlock(tail));

    Value* doubleInput = tail->appendNew<Value>(proc, Phi, Double, Origin());
    thenValue->setPhi(doubleInput);
    elseValue->setPhi(doubleInput);

    Value* argAsDoubleAgain = tail->appendNew<Value>(proc, FloatToDouble, Origin(), floatValue);
    Value* floatAdd = tail->appendNew<Value>(proc, Add, Origin(), doubleInput, argAsDoubleAgain);

    // FRound.
    Value* floatResult = tail->appendNew<Value>(proc, DoubleToFloat, Origin(), floatAdd);
    Value* doubleResult = tail->appendNew<Value>(proc, FloatToDouble, Origin(), floatResult);

    // This one *cannot* be eliminated
    Value* doubleAdd = tail->appendNew<Value>(proc, Add, Origin(), doubleInput, doubleResult);

    tail->appendNewControlValue(proc, Return, Origin(), doubleAdd);

    auto code = compile(proc);
    CHECK(isIdentical(invoke<double>(*code, 1, bitwise_cast<int32_t>(value)), (value + value) + static_cast<double>(value)));
    CHECK(isIdentical(invoke<double>(*code, 0, bitwise_cast<int32_t>(value)), static_cast<double>((42.5f + value) + 42.5f)));
}

void testDoubleProducerPhiWithNonFloatConst(float value, double constValue)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    BasicBlock* thenCase = proc.addBlock();
    BasicBlock* elseCase = proc.addBlock();
    BasicBlock* tail = proc.addBlock();

    Value* condition = root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0);
    Value* argument32 = root->appendNew<Value>(proc, Trunc, Origin(),
        root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR1));
    Value* floatValue = root->appendNew<Value>(proc, BitwiseCast, Origin(), argument32);

    root->appendNewControlValue(
        proc, Branch, Origin(),
        condition,
        FrequentedBlock(thenCase), FrequentedBlock(elseCase));

    Value* asDouble = thenCase->appendNew<Value>(proc, FloatToDouble, Origin(), floatValue);
    UpsilonValue* thenValue = thenCase->appendNew<UpsilonValue>(proc, Origin(), asDouble);
    thenCase->appendNewControlValue(proc, Jump, Origin(), FrequentedBlock(tail));

    Value* constDouble = elseCase->appendNew<ConstDoubleValue>(proc, Origin(), constValue);
    UpsilonValue* elseValue = elseCase->appendNew<UpsilonValue>(proc, Origin(), constDouble);
    elseCase->appendNewControlValue(proc, Jump, Origin(), FrequentedBlock(tail));

    Value* doubleInput = tail->appendNew<Value>(proc, Phi, Double, Origin());
    thenValue->setPhi(doubleInput);
    elseValue->setPhi(doubleInput);

    Value* argAsDoubleAgain = tail->appendNew<Value>(proc, FloatToDouble, Origin(), floatValue);
    Value* finalAdd = tail->appendNew<Value>(proc, Add, Origin(), doubleInput, argAsDoubleAgain);
    Value* floatResult = tail->appendNew<Value>(proc, DoubleToFloat, Origin(), finalAdd);
    tail->appendNewControlValue(proc, Return, Origin(), floatResult);

    auto code = compile(proc);
    CHECK(isIdentical(invoke<float>(*code, 1, bitwise_cast<int32_t>(value)), value + value));
    CHECK(isIdentical(invoke<float>(*code, 0, bitwise_cast<int32_t>(value)), static_cast<float>(constValue + value)));
}

void testDoubleArgToInt64BitwiseCast(double value)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    Value* argument = root->appendNew<ArgumentRegValue>(proc, Origin(), FPRInfo::argumentFPR0);

    root->appendNewControlValue(
        proc, Return, Origin(),
        root->appendNew<Value>(
            proc, BitwiseCast, Origin(), argument));

    CHECK(isIdentical(compileAndRun<int64_t>(proc, value), bitwise_cast<int64_t>(value)));
}

void testDoubleImmToInt64BitwiseCast(double value)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    Value* argument = root->appendNew<ConstDoubleValue>(proc, Origin(), value);

    root->appendNewControlValue(
        proc, Return, Origin(),
        root->appendNew<Value>(
            proc, BitwiseCast, Origin(), argument));

    CHECK(isIdentical(compileAndRun<int64_t>(proc), bitwise_cast<int64_t>(value)));
}

void testTwoBitwiseCastOnDouble(double value)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    Value* argument = root->appendNew<ArgumentRegValue>(proc, Origin(), FPRInfo::argumentFPR0);
    Value* first = root->appendNew<Value>(proc, BitwiseCast, Origin(), argument);
    Value* second = root->appendNew<Value>(proc, BitwiseCast, Origin(), first);
    root->appendNewControlValue(proc, Return, Origin(), second);

    CHECK(isIdentical(compileAndRun<double>(proc, value), value));
}

void testBitwiseCastOnDoubleInMemory(double value)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    Value* address = root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0);
    MemoryValue* loadDouble = root->appendNew<MemoryValue>(proc, Load, Double, Origin(), address);
    Value* cast = root->appendNew<Value>(proc, BitwiseCast, Origin(), loadDouble);
    root->appendNewControlValue(proc, Return, Origin(), cast);

    CHECK(isIdentical(compileAndRun<int64_t>(proc, &value), bitwise_cast<int64_t>(value)));
}

void testBitwiseCastOnDoubleInMemoryIndexed(double value)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    Value* base = root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0);
    Value* offset = root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR1);
    Value* scaledOffset = root->appendNew<Value>(proc, Shl, Origin(),
        offset,
        root->appendNew<Const32Value>(proc, Origin(), 3));
    Value* address = root->appendNew<Value>(proc, Add, Origin(), base, scaledOffset);
    MemoryValue* loadDouble = root->appendNew<MemoryValue>(proc, Load, Double, Origin(), address);
    Value* cast = root->appendNew<Value>(proc, BitwiseCast, Origin(), loadDouble);
    root->appendNewControlValue(proc, Return, Origin(), cast);

    CHECK(isIdentical(compileAndRun<int64_t>(proc, &value, 0), bitwise_cast<int64_t>(value)));
}

void testInt64BArgToDoubleBitwiseCast(int64_t value)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    Value* argument = root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0);

    root->appendNewControlValue(
        proc, Return, Origin(),
        root->appendNew<Value>(
            proc, BitwiseCast, Origin(), argument));

    CHECK(isIdentical(compileAndRun<double>(proc, value), bitwise_cast<double>(value)));
}

void testInt64BImmToDoubleBitwiseCast(int64_t value)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    Value* argument = root->appendNew<Const64Value>(proc, Origin(), value);

    root->appendNewControlValue(
        proc, Return, Origin(),
        root->appendNew<Value>(
            proc, BitwiseCast, Origin(), argument));

    CHECK(isIdentical(compileAndRun<double>(proc), bitwise_cast<double>(value)));
}

void testTwoBitwiseCastOnInt64(int64_t value)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    Value* argument = root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0);
    Value* first = root->appendNew<Value>(proc, BitwiseCast, Origin(), argument);
    Value* second = root->appendNew<Value>(proc, BitwiseCast, Origin(), first);
    root->appendNewControlValue(proc, Return, Origin(), second);

    CHECK(isIdentical(compileAndRun<int64_t>(proc, value), value));
}

void testBitwiseCastOnInt64InMemory(int64_t value)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    Value* address = root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0);
    MemoryValue* loadDouble = root->appendNew<MemoryValue>(proc, Load, Int64, Origin(), address);
    Value* cast = root->appendNew<Value>(proc, BitwiseCast, Origin(), loadDouble);
    root->appendNewControlValue(proc, Return, Origin(), cast);

    CHECK(isIdentical(compileAndRun<double>(proc, &value), bitwise_cast<double>(value)));
}

void testBitwiseCastOnInt64InMemoryIndexed(int64_t value)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    Value* base = root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0);
    Value* offset = root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR1);
    Value* scaledOffset = root->appendNew<Value>(proc, Shl, Origin(),
        offset,
        root->appendNew<Const32Value>(proc, Origin(), 3));
    Value* address = root->appendNew<Value>(proc, Add, Origin(), base, scaledOffset);
    MemoryValue* loadDouble = root->appendNew<MemoryValue>(proc, Load, Int64, Origin(), address);
    Value* cast = root->appendNew<Value>(proc, BitwiseCast, Origin(), loadDouble);
    root->appendNewControlValue(proc, Return, Origin(), cast);

    CHECK(isIdentical(compileAndRun<double>(proc, &value, 0), bitwise_cast<double>(value)));
}

void testFloatImmToInt32BitwiseCast(float value)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    Value* argument = root->appendNew<ConstFloatValue>(proc, Origin(), value);

    root->appendNewControlValue(
        proc, Return, Origin(),
        root->appendNew<Value>(
            proc, BitwiseCast, Origin(), argument));

    CHECK(isIdentical(compileAndRun<int32_t>(proc), bitwise_cast<int32_t>(value)));
}

void testBitwiseCastOnFloatInMemory(float value)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    Value* address = root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0);
    MemoryValue* loadFloat = root->appendNew<MemoryValue>(proc, Load, Float, Origin(), address);
    Value* cast = root->appendNew<Value>(proc, BitwiseCast, Origin(), loadFloat);
    root->appendNewControlValue(proc, Return, Origin(), cast);

    CHECK(isIdentical(compileAndRun<int32_t>(proc, &value), bitwise_cast<int32_t>(value)));
}

void testInt32BArgToFloatBitwiseCast(int32_t value)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    Value* argument = root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0);

    root->appendNewControlValue(
        proc, Return, Origin(),
        root->appendNew<Value>(
            proc, BitwiseCast, Origin(), argument));

    CHECK(isIdentical(compileAndRun<float>(proc, value), bitwise_cast<float>(value)));
}

void testInt32BImmToFloatBitwiseCast(int32_t value)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    Value* argument = root->appendNew<Const64Value>(proc, Origin(), value);

    root->appendNewControlValue(
        proc, Return, Origin(),
        root->appendNew<Value>(
            proc, BitwiseCast, Origin(), argument));

    CHECK(isIdentical(compileAndRun<float>(proc), bitwise_cast<float>(value)));
}

void testTwoBitwiseCastOnInt32(int32_t value)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    Value* argument = root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0);
    Value* first = root->appendNew<Value>(proc, BitwiseCast, Origin(), argument);
    Value* second = root->appendNew<Value>(proc, BitwiseCast, Origin(), first);
    root->appendNewControlValue(proc, Return, Origin(), second);

    CHECK(isIdentical(compileAndRun<int32_t>(proc, value), value));
}

void testBitwiseCastOnInt32InMemory(int32_t value)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    Value* address = root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0);
    MemoryValue* loadFloat = root->appendNew<MemoryValue>(proc, Load, Int32, Origin(), address);
    Value* cast = root->appendNew<Value>(proc, BitwiseCast, Origin(), loadFloat);
    root->appendNewControlValue(proc, Return, Origin(), cast);

    CHECK(isIdentical(compileAndRun<float>(proc, &value), bitwise_cast<float>(value)));
}

void testConvertDoubleToFloatArg(double value)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    Value* argument = root->appendNew<ArgumentRegValue>(proc, Origin(), FPRInfo::argumentFPR0);
    Value* asFloat = root->appendNew<Value>(proc, DoubleToFloat, Origin(), argument);
    root->appendNewControlValue(proc, Return, Origin(), asFloat);

    CHECK(isIdentical(compileAndRun<float>(proc, value), static_cast<float>(value)));
}

void testConvertDoubleToFloatImm(double value)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    Value* argument = root->appendNew<ConstDoubleValue>(proc, Origin(), value);
    Value* asFloat = root->appendNew<Value>(proc, DoubleToFloat, Origin(), argument);
    root->appendNewControlValue(proc, Return, Origin(), asFloat);

    CHECK(isIdentical(compileAndRun<float>(proc), static_cast<float>(value)));
}

void testConvertDoubleToFloatMem(double value)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    Value* address = root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0);
    MemoryValue* loadedDouble = root->appendNew<MemoryValue>(proc, Load, Double, Origin(), address);
    Value* asFloat = root->appendNew<Value>(proc, DoubleToFloat, Origin(), loadedDouble);
    root->appendNewControlValue(proc, Return, Origin(), asFloat);

    CHECK(isIdentical(compileAndRun<float>(proc, &value), static_cast<float>(value)));
}

void testConvertFloatToDoubleArg(float value)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    Value* argument32 = root->appendNew<Value>(proc, Trunc, Origin(),
        root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0));
    Value* floatValue = root->appendNew<Value>(proc, BitwiseCast, Origin(), argument32);
    Value* asDouble = root->appendNew<Value>(proc, FloatToDouble, Origin(), floatValue);
    root->appendNewControlValue(proc, Return, Origin(), asDouble);

    CHECK(isIdentical(compileAndRun<double>(proc, bitwise_cast<int32_t>(value)), static_cast<double>(value)));
}

void testConvertFloatToDoubleImm(float value)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    Value* argument = root->appendNew<ConstFloatValue>(proc, Origin(), value);
    Value* asDouble = root->appendNew<Value>(proc, FloatToDouble, Origin(), argument);
    root->appendNewControlValue(proc, Return, Origin(), asDouble);

    CHECK(isIdentical(compileAndRun<double>(proc), static_cast<double>(value)));
}

void testConvertFloatToDoubleMem(float value)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    Value* address = root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0);
    MemoryValue* loadedFloat = root->appendNew<MemoryValue>(proc, Load, Float, Origin(), address);
    Value* asDouble = root->appendNew<Value>(proc, FloatToDouble, Origin(), loadedFloat);
    root->appendNewControlValue(proc, Return, Origin(), asDouble);

    CHECK(isIdentical(compileAndRun<double>(proc, &value), static_cast<double>(value)));
}

void testConvertDoubleToFloatToDoubleToFloat(double value)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    Value* argument = root->appendNew<ArgumentRegValue>(proc, Origin(), FPRInfo::argumentFPR0);
    Value* asFloat = root->appendNew<Value>(proc, DoubleToFloat, Origin(), argument);
    Value* asDouble = root->appendNew<Value>(proc, FloatToDouble, Origin(), asFloat);
    Value* asFloatAgain = root->appendNew<Value>(proc, DoubleToFloat, Origin(), asDouble);
    root->appendNewControlValue(proc, Return, Origin(), asFloatAgain);

    CHECK(isIdentical(compileAndRun<float>(proc, value), static_cast<float>(value)));
}

void testLoadFloatConvertDoubleConvertFloatStoreFloat(float value)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    Value* src = root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0);
    Value* dst = root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR1);
    MemoryValue* loadedFloat = root->appendNew<MemoryValue>(proc, Load, Float, Origin(), src);
    Value* asDouble = root->appendNew<Value>(proc, FloatToDouble, Origin(), loadedFloat);
    Value* asFloatAgain = root->appendNew<Value>(proc, DoubleToFloat, Origin(), asDouble);
    root->appendNew<MemoryValue>(proc, Store, Origin(), asFloatAgain, dst);

    root->appendNewControlValue(proc, Return, Origin(), root->appendNew<Const32Value>(proc, Origin(), 0));

    float input = value;
    float output = 0.;
    CHECK(!compileAndRun<int64_t>(proc, &input, &output));
    CHECK(isIdentical(input, output));
}

void testFroundArg(double value)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    Value* argument = root->appendNew<ArgumentRegValue>(proc, Origin(), FPRInfo::argumentFPR0);
    Value* asFloat = root->appendNew<Value>(proc, DoubleToFloat, Origin(), argument);
    Value* asDouble = root->appendNew<Value>(proc, FloatToDouble, Origin(), asFloat);
    root->appendNewControlValue(proc, Return, Origin(), asDouble);

    CHECK(isIdentical(compileAndRun<double>(proc, value), static_cast<double>(static_cast<float>(value))));
}

void testFroundMem(double value)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    Value* address = root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0);
    MemoryValue* loadedDouble = root->appendNew<MemoryValue>(proc, Load, Double, Origin(), address);
    Value* asFloat = root->appendNew<Value>(proc, DoubleToFloat, Origin(), loadedDouble);
    Value* asDouble = root->appendNew<Value>(proc, FloatToDouble, Origin(), asFloat);
    root->appendNewControlValue(proc, Return, Origin(), asDouble);

    CHECK(isIdentical(compileAndRun<double>(proc, &value), static_cast<double>(static_cast<float>(value))));
}

void testIToD64Arg()
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    Value* src = root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0);
    Value* srcAsDouble = root->appendNew<Value>(proc, IToD, Origin(), src);
    root->appendNewControlValue(proc, Return, Origin(), srcAsDouble);

    auto code = compile(proc);
    for (auto testValue : int64Operands())
        CHECK(isIdentical(invoke<double>(*code, testValue.value), static_cast<double>(testValue.value)));
}

void testIToF64Arg()
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    Value* src = root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0);
    Value* srcAsFloat = root->appendNew<Value>(proc, IToF, Origin(), src);
    root->appendNewControlValue(proc, Return, Origin(), srcAsFloat);

    auto code = compile(proc);
    for (auto testValue : int64Operands())
        CHECK(isIdentical(invoke<float>(*code, testValue.value), static_cast<float>(testValue.value)));
}

void testIToD32Arg()
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    Value* src = root->appendNew<Value>(proc, Trunc, Origin(),
        root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0));
    Value* srcAsDouble = root->appendNew<Value>(proc, IToD, Origin(), src);
    root->appendNewControlValue(proc, Return, Origin(), srcAsDouble);

    auto code = compile(proc);
    for (auto testValue : int32Operands())
        CHECK(isIdentical(invoke<double>(*code, testValue.value), static_cast<double>(testValue.value)));
}

void testIToF32Arg()
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    Value* src = root->appendNew<Value>(proc, Trunc, Origin(),
        root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0));
    Value* srcAsFloat = root->appendNew<Value>(proc, IToF, Origin(), src);
    root->appendNewControlValue(proc, Return, Origin(), srcAsFloat);

    auto code = compile(proc);
    for (auto testValue : int32Operands())
        CHECK(isIdentical(invoke<float>(*code, testValue.value), static_cast<float>(testValue.value)));
}

void testIToD64Mem()
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    Value* address = root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0);
    MemoryValue* loadedSrc = root->appendNew<MemoryValue>(proc, Load, Int64, Origin(), address);
    Value* srcAsDouble = root->appendNew<Value>(proc, IToD, Origin(), loadedSrc);
    root->appendNewControlValue(proc, Return, Origin(), srcAsDouble);

    auto code = compile(proc);
    int64_t inMemoryValue;
    for (auto testValue : int64Operands()) {
        inMemoryValue = testValue.value;
        CHECK(isIdentical(invoke<double>(*code, &inMemoryValue), static_cast<double>(testValue.value)));
        CHECK(inMemoryValue == testValue.value);
    }
}

void testIToF64Mem()
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    Value* address = root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0);
    MemoryValue* loadedSrc = root->appendNew<MemoryValue>(proc, Load, Int64, Origin(), address);
    Value* srcAsFloat = root->appendNew<Value>(proc, IToF, Origin(), loadedSrc);
    root->appendNewControlValue(proc, Return, Origin(), srcAsFloat);

    auto code = compile(proc);
    int64_t inMemoryValue;
    for (auto testValue : int64Operands()) {
        inMemoryValue = testValue.value;
        CHECK(isIdentical(invoke<float>(*code, &inMemoryValue), static_cast<float>(testValue.value)));
        CHECK(inMemoryValue == testValue.value);
    }
}

void testIToD32Mem()
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    Value* address = root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0);
    MemoryValue* loadedSrc = root->appendNew<MemoryValue>(proc, Load, Int32, Origin(), address);
    Value* srcAsDouble = root->appendNew<Value>(proc, IToD, Origin(), loadedSrc);
    root->appendNewControlValue(proc, Return, Origin(), srcAsDouble);

    auto code = compile(proc);
    int32_t inMemoryValue;
    for (auto testValue : int32Operands()) {
        inMemoryValue = testValue.value;
        CHECK(isIdentical(invoke<double>(*code, &inMemoryValue), static_cast<double>(testValue.value)));
        CHECK(inMemoryValue == testValue.value);
    }
}

void testIToF32Mem()
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    Value* address = root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0);
    MemoryValue* loadedSrc = root->appendNew<MemoryValue>(proc, Load, Int32, Origin(), address);
    Value* srcAsFloat = root->appendNew<Value>(proc, IToF, Origin(), loadedSrc);
    root->appendNewControlValue(proc, Return, Origin(), srcAsFloat);

    auto code = compile(proc);
    int32_t inMemoryValue;
    for (auto testValue : int32Operands()) {
        inMemoryValue = testValue.value;
        CHECK(isIdentical(invoke<float>(*code, &inMemoryValue), static_cast<float>(testValue.value)));
        CHECK(inMemoryValue == testValue.value);
    }
}

void testIToD64Imm(int64_t value)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    Value* src = root->appendNew<Const64Value>(proc, Origin(), value);
    Value* srcAsFloatingPoint = root->appendNew<Value>(proc, IToD, Origin(), src);
    root->appendNewControlValue(proc, Return, Origin(), srcAsFloatingPoint);
    CHECK(isIdentical(compileAndRun<double>(proc), static_cast<double>(value)));
}

void testIToF64Imm(int64_t value)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    Value* src = root->appendNew<Const64Value>(proc, Origin(), value);
    Value* srcAsFloatingPoint = root->appendNew<Value>(proc, IToF, Origin(), src);
    root->appendNewControlValue(proc, Return, Origin(), srcAsFloatingPoint);
    CHECK(isIdentical(compileAndRun<float>(proc), static_cast<float>(value)));
}

void testIToD32Imm(int32_t value)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    Value* src = root->appendNew<Const32Value>(proc, Origin(), value);
    Value* srcAsFloatingPoint = root->appendNew<Value>(proc, IToD, Origin(), src);
    root->appendNewControlValue(proc, Return, Origin(), srcAsFloatingPoint);
    CHECK(isIdentical(compileAndRun<double>(proc), static_cast<double>(value)));
}

void testIToF32Imm(int32_t value)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    Value* src = root->appendNew<Const32Value>(proc, Origin(), value);
    Value* srcAsFloatingPoint = root->appendNew<Value>(proc, IToF, Origin(), src);
    root->appendNewControlValue(proc, Return, Origin(), srcAsFloatingPoint);
    CHECK(isIdentical(compileAndRun<float>(proc), static_cast<float>(value)));
}

void testIToDReducedToIToF64Arg()
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    Value* src = root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0);
    Value* srcAsDouble = root->appendNew<Value>(proc, IToD, Origin(), src);
    Value* floatResult = root->appendNew<Value>(proc, DoubleToFloat, Origin(), srcAsDouble);
    root->appendNewControlValue(proc, Return, Origin(), floatResult);

    auto code = compile(proc);
    for (auto testValue : int64Operands())
        CHECK(isIdentical(invoke<float>(*code, testValue.value), static_cast<float>(testValue.value)));
}

void testIToDReducedToIToF32Arg()
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    Value* src = root->appendNew<Value>(proc, Trunc, Origin(),
        root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0));
    Value* srcAsDouble = root->appendNew<Value>(proc, IToD, Origin(), src);
    Value* floatResult = root->appendNew<Value>(proc, DoubleToFloat, Origin(), srcAsDouble);
    root->appendNewControlValue(proc, Return, Origin(), floatResult);

    auto code = compile(proc);
    for (auto testValue : int32Operands())
        CHECK(isIdentical(invoke<float>(*code, testValue.value), static_cast<float>(testValue.value)));
}

void testStore32(int value)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    int slot = 0xbaadbeef;
    root->appendNew<MemoryValue>(
        proc, Store, Origin(),
        root->appendNew<Value>(
            proc, Trunc, Origin(),
            root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0)),
        root->appendNew<ConstPtrValue>(proc, Origin(), &slot));
    root->appendNewControlValue(
        proc, Return, Origin(), root->appendNew<Const32Value>(proc, Origin(), 0));

    CHECK(!compileAndRun<int>(proc, value));
    CHECK(slot == value);
}

void testStoreConstant(int value)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    int slot = 0xbaadbeef;
    root->appendNew<MemoryValue>(
        proc, Store, Origin(),
        root->appendNew<Const32Value>(proc, Origin(), value),
        root->appendNew<ConstPtrValue>(proc, Origin(), &slot));
    root->appendNewControlValue(
        proc, Return, Origin(), root->appendNew<Const32Value>(proc, Origin(), 0));

    CHECK(!compileAndRun<int>(proc));
    CHECK(slot == value);
}

void testStoreConstantPtr(intptr_t value)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    intptr_t slot;
    if (is64Bit())
        slot = (static_cast<intptr_t>(0xbaadbeef) << 32) + static_cast<intptr_t>(0xbaadbeef);
    else
        slot = 0xbaadbeef;
    root->appendNew<MemoryValue>(
        proc, Store, Origin(),
        root->appendNew<ConstPtrValue>(proc, Origin(), value),
        root->appendNew<ConstPtrValue>(proc, Origin(), &slot));
    root->appendNewControlValue(
        proc, Return, Origin(), root->appendNew<Const32Value>(proc, Origin(), 0));

    CHECK(!compileAndRun<int>(proc));
    CHECK(slot == value);
}

void testStore8Arg()
{
    { // Direct addressing.
        Procedure proc;
        BasicBlock* root = proc.addBlock();

        Value* value = root->appendNew<Value>(proc, Trunc, Origin(),
            root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0));
        Value* address = root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR1);

        root->appendNew<MemoryValue>(proc, Store8, Origin(), value, address);
        root->appendNewControlValue(proc, Return, Origin(), value);

        int8_t storage = 0;
        CHECK(compileAndRun<int64_t>(proc, 42, &storage) == 42);
        CHECK(storage == 42);
    }

    { // Indexed addressing.
        Procedure proc;
        BasicBlock* root = proc.addBlock();

        Value* value = root->appendNew<Value>(proc, Trunc, Origin(),
            root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0));
        Value* base = root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR1);
        Value* offset = root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR2);
        Value* displacement = root->appendNew<Const64Value>(proc, Origin(), -1);

        Value* baseDisplacement = root->appendNew<Value>(proc, Add, Origin(), displacement, base);
        Value* address = root->appendNew<Value>(proc, Add, Origin(), baseDisplacement, offset);

        root->appendNew<MemoryValue>(proc, Store8, Origin(), value, address);
        root->appendNewControlValue(proc, Return, Origin(), value);

        int8_t storage = 0;
        CHECK(compileAndRun<int64_t>(proc, 42, &storage, 1) == 42);
        CHECK(storage == 42);
    }
}

void testStore8Imm()
{
    { // Direct addressing.
        Procedure proc;
        BasicBlock* root = proc.addBlock();

        Value* value = root->appendNew<Const32Value>(proc, Origin(), 42);
        Value* address = root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0);

        root->appendNew<MemoryValue>(proc, Store8, Origin(), value, address);
        root->appendNewControlValue(proc, Return, Origin(), value);

        int8_t storage = 0;
        CHECK(compileAndRun<int64_t>(proc, &storage) == 42);
        CHECK(storage == 42);
    }

    { // Indexed addressing.
        Procedure proc;
        BasicBlock* root = proc.addBlock();

        Value* value = root->appendNew<Const32Value>(proc, Origin(), 42);
        Value* base = root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0);
        Value* offset = root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR1);
        Value* displacement = root->appendNew<Const64Value>(proc, Origin(), -1);

        Value* baseDisplacement = root->appendNew<Value>(proc, Add, Origin(), displacement, base);
        Value* address = root->appendNew<Value>(proc, Add, Origin(), baseDisplacement, offset);

        root->appendNew<MemoryValue>(proc, Store8, Origin(), value, address);
        root->appendNewControlValue(proc, Return, Origin(), value);

        int8_t storage = 0;
        CHECK(compileAndRun<int64_t>(proc, &storage, 1) == 42);
        CHECK(storage == 42);
    }
}

void testStorePartial8BitRegisterOnX86()
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();

    // We want to have this in ECX.
    Value* returnValue = root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0);

    // We want this suck in EDX.
    Value* whereToStore = root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR1);

    // The patch point is there to help us force the hand of the compiler.
    PatchpointValue* patchpoint = root->appendNew<PatchpointValue>(proc, Int32, Origin());

    // For the value above to be materialized and give the allocator
    // a stronger insentive to name those register the way we need.
    patchpoint->append(ConstrainedValue(returnValue, ValueRep(GPRInfo::regT3)));
    patchpoint->append(ConstrainedValue(whereToStore, ValueRep(GPRInfo::regT2)));

    // We'll produce EDI.
    patchpoint->resultConstraint = ValueRep::reg(GPRInfo::regT6);

    // Give the allocator a good reason not to use any other register.
    RegisterSet clobberSet = RegisterSet::allGPRs();
    clobberSet.exclude(RegisterSet::stackRegisters());
    clobberSet.exclude(RegisterSet::reservedHardwareRegisters());
    clobberSet.clear(GPRInfo::regT3);
    clobberSet.clear(GPRInfo::regT2);
    clobberSet.clear(GPRInfo::regT6);
    patchpoint->clobberLate(clobberSet);

    // Set EDI.
    patchpoint->setGenerator(
        [&] (CCallHelpers& jit, const StackmapGenerationParams& params) {
            AllowMacroScratchRegisterUsage allowScratch(jit);
            jit.xor64(params[0].gpr(), params[0].gpr());
        });

    // If everything went well, we should have the big number in eax,
    // patchpoint == EDI and whereToStore = EDX.
    // Since EDI == 5, and AH = 5 on 8 bit store, this would go wrong
    // if we use X86 partial registers.
    root->appendNew<MemoryValue>(proc, Store8, Origin(), patchpoint, whereToStore);

    root->appendNewControlValue(proc, Return, Origin(), returnValue);

    int8_t storage = 0xff;
    CHECK(compileAndRun<int64_t>(proc, 0x12345678abcdef12, &storage) == 0x12345678abcdef12);
    CHECK(!storage);
}

void testStore16Arg()
{
    { // Direct addressing.
        Procedure proc;
        BasicBlock* root = proc.addBlock();

        Value* value = root->appendNew<Value>(proc, Trunc, Origin(),
            root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0));
        Value* address = root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR1);

        root->appendNew<MemoryValue>(proc, Store16, Origin(), value, address);
        root->appendNewControlValue(proc, Return, Origin(), value);

        int16_t storage = -1;
        CHECK(compileAndRun<int64_t>(proc, 42, &storage) == 42);
        CHECK(storage == 42);
    }

    { // Indexed addressing.
        Procedure proc;
        BasicBlock* root = proc.addBlock();

        Value* value = root->appendNew<Value>(proc, Trunc, Origin(),
            root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0));
        Value* base = root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR1);
        Value* offset = root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR2);
        Value* displacement = root->appendNew<Const64Value>(proc, Origin(), -1);

        Value* baseDisplacement = root->appendNew<Value>(proc, Add, Origin(), displacement, base);
        Value* address = root->appendNew<Value>(proc, Add, Origin(), baseDisplacement, offset);

        root->appendNew<MemoryValue>(proc, Store16, Origin(), value, address);
        root->appendNewControlValue(proc, Return, Origin(), value);

        int16_t storage = -1;
        CHECK(compileAndRun<int64_t>(proc, 42, &storage, 1) == 42);
        CHECK(storage == 42);
    }
}

void testStore16Imm()
{
    { // Direct addressing.
        Procedure proc;
        BasicBlock* root = proc.addBlock();

        Value* value = root->appendNew<Const32Value>(proc, Origin(), 42);
        Value* address = root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0);

        root->appendNew<MemoryValue>(proc, Store16, Origin(), value, address);
        root->appendNewControlValue(proc, Return, Origin(), value);

        int16_t storage = -1;
        CHECK(compileAndRun<int64_t>(proc, &storage) == 42);
        CHECK(storage == 42);
    }

    { // Indexed addressing.
        Procedure proc;
        BasicBlock* root = proc.addBlock();

        Value* value = root->appendNew<Const32Value>(proc, Origin(), 42);
        Value* base = root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0);
        Value* offset = root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR1);
        Value* displacement = root->appendNew<Const64Value>(proc, Origin(), -1);

        Value* baseDisplacement = root->appendNew<Value>(proc, Add, Origin(), displacement, base);
        Value* address = root->appendNew<Value>(proc, Add, Origin(), baseDisplacement, offset);

        root->appendNew<MemoryValue>(proc, Store16, Origin(), value, address);
        root->appendNewControlValue(proc, Return, Origin(), value);

        int16_t storage = -1;
        CHECK(compileAndRun<int64_t>(proc, &storage, 1) == 42);
        CHECK(storage == 42);
    }
}

void testTrunc(int64_t value)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    root->appendNewControlValue(
        proc, Return, Origin(),
        root->appendNew<Value>(
            proc, Trunc, Origin(),
            root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0)));

    CHECK(compileAndRun<int>(proc, value) == static_cast<int>(value));
}

void testAdd1(int value)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    root->appendNewControlValue(
        proc, Return, Origin(),
        root->appendNew<Value>(
            proc, Add, Origin(),
            root->appendNew<Value>(
                proc, Trunc, Origin(),
                root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0)),
            root->appendNew<Const32Value>(proc, Origin(), 1)));

    CHECK(compileAndRun<int>(proc, value) == value + 1);
}

void testAdd1Ptr(intptr_t value)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    root->appendNewControlValue(
        proc, Return, Origin(),
        root->appendNew<Value>(
            proc, Add, Origin(),
            root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0),
            root->appendNew<ConstPtrValue>(proc, Origin(), 1)));

    CHECK(compileAndRun<intptr_t>(proc, value) == value + 1);
}

void testNeg32(int32_t value)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    root->appendNewControlValue(
        proc, Return, Origin(),
        root->appendNew<Value>(
            proc, Sub, Origin(),
            root->appendNew<Const32Value>(proc, Origin(), 0),
            root->appendNew<Value>(
                proc, Trunc, Origin(),
                root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0))));

    CHECK(compileAndRun<int32_t>(proc, value) == -value);
}

void testNegPtr(intptr_t value)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    root->appendNewControlValue(
        proc, Return, Origin(),
        root->appendNew<Value>(
            proc, Sub, Origin(),
            root->appendNew<ConstPtrValue>(proc, Origin(), 0),
            root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0)));

    CHECK(compileAndRun<intptr_t>(proc, value) == -value);
}

void testStoreAddLoad32(int amount)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    int slot = 37;
    ConstPtrValue* slotPtr = root->appendNew<ConstPtrValue>(proc, Origin(), &slot);
    root->appendNew<MemoryValue>(
        proc, Store, Origin(),
        root->appendNew<Value>(
            proc, Add, Origin(),
            root->appendNew<MemoryValue>(proc, Load, Int32, Origin(), slotPtr),
            root->appendNew<Value>(
                proc, Trunc, Origin(),
                root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0))),
        slotPtr);
    root->appendNewControlValue(
        proc, Return, Origin(),
        root->appendNew<Const32Value>(proc, Origin(), 0));

    CHECK(!compileAndRun<int>(proc, amount));
    CHECK(slot == 37 + amount);
}

void testStoreAddLoadImm32(int amount)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    int slot = 37;
    ConstPtrValue* slotPtr = root->appendNew<ConstPtrValue>(proc, Origin(), &slot);
    root->appendNew<MemoryValue>(
        proc, Store, Origin(),
        root->appendNew<Value>(
            proc, Add, Origin(),
            root->appendNew<MemoryValue>(proc, Load, Int32, Origin(), slotPtr),
            root->appendNew<Const32Value>(proc, Origin(), amount)),
        slotPtr);
    root->appendNewControlValue(
        proc, Return, Origin(),
        root->appendNew<Const32Value>(proc, Origin(), 0));

    CHECK(!compileAndRun<int>(proc));
    CHECK(slot == 37 + amount);
}

void testStoreAddLoad8(int amount, B3::Opcode loadOpcode)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    int8_t slot = 37;
    ConstPtrValue* slotPtr = root->appendNew<ConstPtrValue>(proc, Origin(), &slot);
    root->appendNew<MemoryValue>(
        proc, Store8, Origin(),
        root->appendNew<Value>(
            proc, Add, Origin(),
            root->appendNew<MemoryValue>(proc, loadOpcode, Origin(), slotPtr),
            root->appendNew<Value>(
                proc, Trunc, Origin(),
                root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0))),
        slotPtr);
    root->appendNewControlValue(
        proc, Return, Origin(),
        root->appendNew<Const32Value>(proc, Origin(), 0));

    CHECK(!compileAndRun<int>(proc, amount));
    CHECK(slot == 37 + amount);
}

void testStoreAddLoadImm8(int amount, B3::Opcode loadOpcode)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    int8_t slot = 37;
    ConstPtrValue* slotPtr = root->appendNew<ConstPtrValue>(proc, Origin(), &slot);
    root->appendNew<MemoryValue>(
        proc, Store8, Origin(),
        root->appendNew<Value>(
            proc, Add, Origin(),
            root->appendNew<MemoryValue>(proc, loadOpcode, Origin(), slotPtr),
            root->appendNew<Const32Value>(proc, Origin(), amount)),
        slotPtr);
    root->appendNewControlValue(
        proc, Return, Origin(),
        root->appendNew<Const32Value>(proc, Origin(), 0));

    CHECK(!compileAndRun<int>(proc));
    CHECK(slot == 37 + amount);
}

void testStoreAddLoad16(int amount, B3::Opcode loadOpcode)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    int16_t slot = 37;
    ConstPtrValue* slotPtr = root->appendNew<ConstPtrValue>(proc, Origin(), &slot);
    root->appendNew<MemoryValue>(
        proc, Store16, Origin(),
        root->appendNew<Value>(
            proc, Add, Origin(),
            root->appendNew<MemoryValue>(proc, loadOpcode, Origin(), slotPtr),
            root->appendNew<Value>(
                proc, Trunc, Origin(),
                root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0))),
        slotPtr);
    root->appendNewControlValue(
        proc, Return, Origin(),
        root->appendNew<Const32Value>(proc, Origin(), 0));

    CHECK(!compileAndRun<int>(proc, amount));
    CHECK(slot == 37 + amount);
}

void testStoreAddLoadImm16(int amount, B3::Opcode loadOpcode)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    int16_t slot = 37;
    ConstPtrValue* slotPtr = root->appendNew<ConstPtrValue>(proc, Origin(), &slot);
    root->appendNew<MemoryValue>(
        proc, Store16, Origin(),
        root->appendNew<Value>(
            proc, Add, Origin(),
            root->appendNew<MemoryValue>(proc, loadOpcode, Origin(), slotPtr),
            root->appendNew<Const32Value>(proc, Origin(), amount)),
        slotPtr);
    root->appendNewControlValue(
        proc, Return, Origin(),
        root->appendNew<Const32Value>(proc, Origin(), 0));

    CHECK(!compileAndRun<int>(proc));
    CHECK(slot == 37 + amount);
}

void testStoreAddLoad64(int amount)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    int64_t slot = 37000000000ll;
    ConstPtrValue* slotPtr = root->appendNew<ConstPtrValue>(proc, Origin(), &slot);
    root->appendNew<MemoryValue>(
        proc, Store, Origin(),
        root->appendNew<Value>(
            proc, Add, Origin(),
            root->appendNew<MemoryValue>(proc, Load, Int64, Origin(), slotPtr),
            root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0)),
        slotPtr);
    root->appendNewControlValue(
        proc, Return, Origin(),
        root->appendNew<Const32Value>(proc, Origin(), 0));

    CHECK(!compileAndRun<int>(proc, amount));
    CHECK(slot == 37000000000ll + amount);
}

void testStoreAddLoadImm64(int64_t amount)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    int64_t slot = 370000000000ll;
    ConstPtrValue* slotPtr = root->appendNew<ConstPtrValue>(proc, Origin(), &slot);
    root->appendNew<MemoryValue>(
        proc, Store, Origin(),
        root->appendNew<Value>(
            proc, Add, Origin(),
            root->appendNew<MemoryValue>(proc, Load, Int64, Origin(), slotPtr),
            root->appendNew<Const64Value>(proc, Origin(), amount)),
        slotPtr);
    root->appendNewControlValue(
        proc, Return, Origin(),
        root->appendNew<Const32Value>(proc, Origin(), 0));

    CHECK(!compileAndRun<int>(proc));
    CHECK(slot == 370000000000ll + amount);
}

void testStoreAddLoad32Index(int amount)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    int slot = 37;
    int* ptr = &slot;
    intptr_t zero = 0;
    Value* slotPtr = root->appendNew<Value>(
        proc, Add, Origin(),
        root->appendNew<MemoryValue>(
            proc, Load, pointerType(), Origin(),
            root->appendNew<ConstPtrValue>(proc, Origin(), &ptr)),
        root->appendNew<MemoryValue>(
            proc, Load, pointerType(), Origin(),
            root->appendNew<ConstPtrValue>(proc, Origin(), &zero)));
    root->appendNew<MemoryValue>(
        proc, Store, Origin(),
        root->appendNew<Value>(
            proc, Add, Origin(),
            root->appendNew<MemoryValue>(proc, Load, Int32, Origin(), slotPtr),
            root->appendNew<Value>(
                proc, Trunc, Origin(),
                root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0))),
        slotPtr);
    root->appendNewControlValue(
        proc, Return, Origin(),
        root->appendNew<Const32Value>(proc, Origin(), 0));

    CHECK(!compileAndRun<int>(proc, amount));
    CHECK(slot == 37 + amount);
}

void testStoreAddLoadImm32Index(int amount)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    int slot = 37;
    int* ptr = &slot;
    intptr_t zero = 0;
    Value* slotPtr = root->appendNew<Value>(
        proc, Add, Origin(),
        root->appendNew<MemoryValue>(
            proc, Load, pointerType(), Origin(),
            root->appendNew<ConstPtrValue>(proc, Origin(), &ptr)),
        root->appendNew<MemoryValue>(
            proc, Load, pointerType(), Origin(),
            root->appendNew<ConstPtrValue>(proc, Origin(), &zero)));
    root->appendNew<MemoryValue>(
        proc, Store, Origin(),
        root->appendNew<Value>(
            proc, Add, Origin(),
            root->appendNew<MemoryValue>(proc, Load, Int32, Origin(), slotPtr),
            root->appendNew<Const32Value>(proc, Origin(), amount)),
        slotPtr);
    root->appendNewControlValue(
        proc, Return, Origin(),
        root->appendNew<Const32Value>(proc, Origin(), 0));

    CHECK(!compileAndRun<int>(proc));
    CHECK(slot == 37 + amount);
}

void testStoreAddLoad8Index(int amount, B3::Opcode loadOpcode)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    int8_t slot = 37;
    int8_t* ptr = &slot;
    intptr_t zero = 0;
    Value* slotPtr = root->appendNew<Value>(
        proc, Add, Origin(),
        root->appendNew<MemoryValue>(
            proc, Load, pointerType(), Origin(),
            root->appendNew<ConstPtrValue>(proc, Origin(), &ptr)),
        root->appendNew<MemoryValue>(
            proc, Load, pointerType(), Origin(),
            root->appendNew<ConstPtrValue>(proc, Origin(), &zero)));
    root->appendNew<MemoryValue>(
        proc, Store8, Origin(),
        root->appendNew<Value>(
            proc, Add, Origin(),
            root->appendNew<MemoryValue>(proc, loadOpcode, Origin(), slotPtr),
            root->appendNew<Value>(
                proc, Trunc, Origin(),
                root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0))),
        slotPtr);
    root->appendNewControlValue(
        proc, Return, Origin(),
        root->appendNew<Const32Value>(proc, Origin(), 0));

    CHECK(!compileAndRun<int>(proc, amount));
    CHECK(slot == 37 + amount);
}

void testStoreAddLoadImm8Index(int amount, B3::Opcode loadOpcode)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    int8_t slot = 37;
    int8_t* ptr = &slot;
    intptr_t zero = 0;
    Value* slotPtr = root->appendNew<Value>(
        proc, Add, Origin(),
        root->appendNew<MemoryValue>(
            proc, Load, pointerType(), Origin(),
            root->appendNew<ConstPtrValue>(proc, Origin(), &ptr)),
        root->appendNew<MemoryValue>(
            proc, Load, pointerType(), Origin(),
            root->appendNew<ConstPtrValue>(proc, Origin(), &zero)));
    root->appendNew<MemoryValue>(
        proc, Store8, Origin(),
        root->appendNew<Value>(
            proc, Add, Origin(),
            root->appendNew<MemoryValue>(proc, loadOpcode, Origin(), slotPtr),
            root->appendNew<Const32Value>(proc, Origin(), amount)),
        slotPtr);
    root->appendNewControlValue(
        proc, Return, Origin(),
        root->appendNew<Const32Value>(proc, Origin(), 0));

    CHECK(!compileAndRun<int>(proc));
    CHECK(slot == 37 + amount);
}

void testStoreAddLoad16Index(int amount, B3::Opcode loadOpcode)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    int16_t slot = 37;
    int16_t* ptr = &slot;
    intptr_t zero = 0;
    Value* slotPtr = root->appendNew<Value>(
        proc, Add, Origin(),
        root->appendNew<MemoryValue>(
            proc, Load, pointerType(), Origin(),
            root->appendNew<ConstPtrValue>(proc, Origin(), &ptr)),
        root->appendNew<MemoryValue>(
            proc, Load, pointerType(), Origin(),
            root->appendNew<ConstPtrValue>(proc, Origin(), &zero)));
    root->appendNew<MemoryValue>(
        proc, Store16, Origin(),
        root->appendNew<Value>(
            proc, Add, Origin(),
            root->appendNew<MemoryValue>(proc, loadOpcode, Origin(), slotPtr),
            root->appendNew<Value>(
                proc, Trunc, Origin(),
                root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0))),
        slotPtr);
    root->appendNewControlValue(
        proc, Return, Origin(),
        root->appendNew<Const32Value>(proc, Origin(), 0));

    CHECK(!compileAndRun<int>(proc, amount));
    CHECK(slot == 37 + amount);
}

void testStoreAddLoadImm16Index(int amount, B3::Opcode loadOpcode)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    int16_t slot = 37;
    int16_t* ptr = &slot;
    intptr_t zero = 0;
    Value* slotPtr = root->appendNew<Value>(
        proc, Add, Origin(),
        root->appendNew<MemoryValue>(
            proc, Load, pointerType(), Origin(),
            root->appendNew<ConstPtrValue>(proc, Origin(), &ptr)),
        root->appendNew<MemoryValue>(
            proc, Load, pointerType(), Origin(),
            root->appendNew<ConstPtrValue>(proc, Origin(), &zero)));
    root->appendNew<MemoryValue>(
        proc, Store16, Origin(),
        root->appendNew<Value>(
            proc, Add, Origin(),
            root->appendNew<MemoryValue>(proc, loadOpcode, Origin(), slotPtr),
            root->appendNew<Const32Value>(proc, Origin(), amount)),
        slotPtr);
    root->appendNewControlValue(
        proc, Return, Origin(),
        root->appendNew<Const32Value>(proc, Origin(), 0));

    CHECK(!compileAndRun<int>(proc));
    CHECK(slot == 37 + amount);
}

void testStoreAddLoad64Index(int amount)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    int64_t slot = 37000000000ll;
    int64_t* ptr = &slot;
    intptr_t zero = 0;
    Value* slotPtr = root->appendNew<Value>(
        proc, Add, Origin(),
        root->appendNew<MemoryValue>(
            proc, Load, pointerType(), Origin(),
            root->appendNew<ConstPtrValue>(proc, Origin(), &ptr)),
        root->appendNew<MemoryValue>(
            proc, Load, pointerType(), Origin(),
            root->appendNew<ConstPtrValue>(proc, Origin(), &zero)));
    root->appendNew<MemoryValue>(
        proc, Store, Origin(),
        root->appendNew<Value>(
            proc, Add, Origin(),
            root->appendNew<MemoryValue>(proc, Load, Int64, Origin(), slotPtr),
            root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0)),
        slotPtr);
    root->appendNewControlValue(
        proc, Return, Origin(),
        root->appendNew<Const32Value>(proc, Origin(), 0));

    CHECK(!compileAndRun<int>(proc, amount));
    CHECK(slot == 37000000000ll + amount);
}

void testStoreAddLoadImm64Index(int64_t amount)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    int64_t slot = 370000000000ll;
    int64_t* ptr = &slot;
    intptr_t zero = 0;
    Value* slotPtr = root->appendNew<Value>(
        proc, Add, Origin(),
        root->appendNew<MemoryValue>(
            proc, Load, pointerType(), Origin(),
            root->appendNew<ConstPtrValue>(proc, Origin(), &ptr)),
        root->appendNew<MemoryValue>(
            proc, Load, pointerType(), Origin(),
            root->appendNew<ConstPtrValue>(proc, Origin(), &zero)));
    root->appendNew<MemoryValue>(
        proc, Store, Origin(),
        root->appendNew<Value>(
            proc, Add, Origin(),
            root->appendNew<MemoryValue>(proc, Load, Int64, Origin(), slotPtr),
            root->appendNew<Const64Value>(proc, Origin(), amount)),
        slotPtr);
    root->appendNewControlValue(
        proc, Return, Origin(),
        root->appendNew<Const32Value>(proc, Origin(), 0));

    CHECK(!compileAndRun<int>(proc));
    CHECK(slot == 370000000000ll + amount);
}

void testStoreSubLoad(int amount)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    int32_t startValue = std::numeric_limits<int32_t>::min();
    int32_t slot = startValue;
    ConstPtrValue* slotPtr = root->appendNew<ConstPtrValue>(proc, Origin(), &slot);
    root->appendNew<MemoryValue>(
        proc, Store, Origin(),
        root->appendNew<Value>(
            proc, Sub, Origin(),
            root->appendNew<MemoryValue>(proc, Load, Int32, Origin(), slotPtr),
            root->appendNew<Value>(
                proc, Trunc, Origin(),
                root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0))),
        slotPtr);
    root->appendNewControlValue(
        proc, Return, Origin(),
        root->appendNew<Const32Value>(proc, Origin(), 0));

    CHECK(!compileAndRun<int>(proc, amount));
    CHECK(slot == startValue - amount);
}

void testStoreAddLoadInterference(int amount)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    int slot = 37;
    ConstPtrValue* slotPtr = root->appendNew<ConstPtrValue>(proc, Origin(), &slot);
    ArgumentRegValue* otherSlotPtr =
        root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0);
    MemoryValue* load = root->appendNew<MemoryValue>(proc, Load, Int32, Origin(), slotPtr);
    root->appendNew<MemoryValue>(
        proc, Store, Origin(),
        root->appendNew<Const32Value>(proc, Origin(), 666),
        otherSlotPtr);
    root->appendNew<MemoryValue>(
        proc, Store, Origin(),
        root->appendNew<Value>(
            proc, Add, Origin(),
            load, root->appendNew<Const32Value>(proc, Origin(), amount)),
        slotPtr);
    root->appendNewControlValue(
        proc, Return, Origin(),
        root->appendNew<Const32Value>(proc, Origin(), 0));

    CHECK(!compileAndRun<int>(proc, &slot));
    CHECK(slot == 37 + amount);
}

void testStoreAddAndLoad(int amount, int mask)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    int slot = 37;
    ConstPtrValue* slotPtr = root->appendNew<ConstPtrValue>(proc, Origin(), &slot);
    root->appendNew<MemoryValue>(
        proc, Store, Origin(),
        root->appendNew<Value>(
            proc, BitAnd, Origin(),
            root->appendNew<Value>(
                proc, Add, Origin(),
                root->appendNew<MemoryValue>(proc, Load, Int32, Origin(), slotPtr),
                root->appendNew<Const32Value>(proc, Origin(), amount)),
            root->appendNew<Const32Value>(proc, Origin(), mask)),
        slotPtr);
    root->appendNewControlValue(
        proc, Return, Origin(),
        root->appendNew<Const32Value>(proc, Origin(), 0));

    CHECK(!compileAndRun<int>(proc));
    CHECK(slot == ((37 + amount) & mask));
}

void testStoreNegLoad32(int32_t value)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();

    int32_t slot = value;

    ConstPtrValue* slotPtr = root->appendNew<ConstPtrValue>(proc, Origin(), &slot);
    
    root->appendNew<MemoryValue>(
        proc, Store, Origin(),
        root->appendNew<Value>(
            proc, Sub, Origin(),
            root->appendNew<Const32Value>(proc, Origin(), 0),
            root->appendNew<MemoryValue>(proc, Load, Int32, Origin(), slotPtr)),
        slotPtr);
    
    root->appendNewControlValue(
        proc, Return, Origin(), root->appendNew<Const32Value>(proc, Origin(), 0));

    CHECK(!compileAndRun<int32_t>(proc));
    CHECK(slot == -value);
}

void testStoreNegLoadPtr(intptr_t value)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();

    intptr_t slot = value;

    ConstPtrValue* slotPtr = root->appendNew<ConstPtrValue>(proc, Origin(), &slot);
    
    root->appendNew<MemoryValue>(
        proc, Store, Origin(),
        root->appendNew<Value>(
            proc, Sub, Origin(),
            root->appendNew<ConstPtrValue>(proc, Origin(), 0),
            root->appendNew<MemoryValue>(proc, Load, pointerType(), Origin(), slotPtr)),
        slotPtr);
    
    root->appendNewControlValue(
        proc, Return, Origin(), root->appendNew<Const32Value>(proc, Origin(), 0));

    CHECK(!compileAndRun<int32_t>(proc));
    CHECK(slot == -value);
}

void testAdd1Uncommuted(int value)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    root->appendNewControlValue(
        proc, Return, Origin(),
        root->appendNew<Value>(
            proc, Add, Origin(),
            root->appendNew<Const32Value>(proc, Origin(), 1),
            root->appendNew<Value>(
                proc, Trunc, Origin(),
                root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0))));

    CHECK(compileAndRun<int>(proc, value) == value + 1);
}

void testLoadOffset()
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    int array[] = { 1, 2 };
    ConstPtrValue* arrayPtr = root->appendNew<ConstPtrValue>(proc, Origin(), array);
    root->appendNewControlValue(
        proc, Return, Origin(),
        root->appendNew<Value>(
            proc, Add, Origin(),
            root->appendNew<MemoryValue>(proc, Load, Int32, Origin(), arrayPtr, 0),
            root->appendNew<MemoryValue>(proc, Load, Int32, Origin(), arrayPtr, sizeof(int))));

    CHECK(compileAndRun<int>(proc) == array[0] + array[1]);
}

void testLoadOffsetNotConstant()
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    int array[] = { 1, 2 };
    Value* arrayPtr = root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0);
    root->appendNewControlValue(
        proc, Return, Origin(),
        root->appendNew<Value>(
            proc, Add, Origin(),
            root->appendNew<MemoryValue>(proc, Load, Int32, Origin(), arrayPtr, 0),
            root->appendNew<MemoryValue>(proc, Load, Int32, Origin(), arrayPtr, sizeof(int))));

    CHECK(compileAndRun<int>(proc, &array[0]) == array[0] + array[1]);
}

void testLoadOffsetUsingAdd()
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    int array[] = { 1, 2 };
    ConstPtrValue* arrayPtr = root->appendNew<ConstPtrValue>(proc, Origin(), array);
    root->appendNewControlValue(
        proc, Return, Origin(),
        root->appendNew<Value>(
            proc, Add, Origin(),
            root->appendNew<MemoryValue>(
                proc, Load, Int32, Origin(),
                root->appendNew<Value>(
                    proc, Add, Origin(), arrayPtr,
                    root->appendNew<ConstPtrValue>(proc, Origin(), 0))),
            root->appendNew<MemoryValue>(
                proc, Load, Int32, Origin(),
                root->appendNew<Value>(
                    proc, Add, Origin(), arrayPtr,
                    root->appendNew<ConstPtrValue>(proc, Origin(), sizeof(int))))));
    
    CHECK(compileAndRun<int>(proc) == array[0] + array[1]);
}

void testLoadOffsetUsingAddInterference()
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    int array[] = { 1, 2 };
    ConstPtrValue* arrayPtr = root->appendNew<ConstPtrValue>(proc, Origin(), array);
    ArgumentRegValue* otherArrayPtr =
        root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0);
    Const32Value* theNumberOfTheBeast = root->appendNew<Const32Value>(proc, Origin(), 666);
    MemoryValue* left = root->appendNew<MemoryValue>(
        proc, Load, Int32, Origin(),
        root->appendNew<Value>(
            proc, Add, Origin(), arrayPtr,
            root->appendNew<ConstPtrValue>(proc, Origin(), 0)));
    MemoryValue* right = root->appendNew<MemoryValue>(
        proc, Load, Int32, Origin(),
        root->appendNew<Value>(
            proc, Add, Origin(), arrayPtr,
            root->appendNew<ConstPtrValue>(proc, Origin(), sizeof(int))));
    root->appendNew<MemoryValue>(
        proc, Store, Origin(), theNumberOfTheBeast, otherArrayPtr, 0);
    root->appendNew<MemoryValue>(
        proc, Store, Origin(), theNumberOfTheBeast, otherArrayPtr, sizeof(int));
    root->appendNewControlValue(
        proc, Return, Origin(),
        root->appendNew<Value>(
            proc, Add, Origin(), left, right));
    
    CHECK(compileAndRun<int>(proc, &array[0]) == 1 + 2);
    CHECK(array[0] == 666);
    CHECK(array[1] == 666);
}

void testLoadOffsetUsingAddNotConstant()
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    int array[] = { 1, 2 };
    Value* arrayPtr = root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0);
    root->appendNewControlValue(
        proc, Return, Origin(),
        root->appendNew<Value>(
            proc, Add, Origin(),
            root->appendNew<MemoryValue>(
                proc, Load, Int32, Origin(),
                root->appendNew<Value>(
                    proc, Add, Origin(), arrayPtr,
                    root->appendNew<ConstPtrValue>(proc, Origin(), 0))),
            root->appendNew<MemoryValue>(
                proc, Load, Int32, Origin(),
                root->appendNew<Value>(
                    proc, Add, Origin(), arrayPtr,
                    root->appendNew<ConstPtrValue>(proc, Origin(), sizeof(int))))));
    
    CHECK(compileAndRun<int>(proc, &array[0]) == array[0] + array[1]);
}

void testLoadAddrShift(unsigned shift)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    int slots[2];

    // Figure out which slot to use while having proper alignment for the shift.
    int* slot;
    uintptr_t arg;
    for (unsigned i = sizeof(slots)/sizeof(slots[0]); i--;) {
        slot = slots + i;
        arg = bitwise_cast<uintptr_t>(slot) >> shift;
        if (bitwise_cast<int*>(arg << shift) == slot)
            break;
    }

    *slot = 8675309;
    
    root->appendNewControlValue(
        proc, Return, Origin(),
        root->appendNew<MemoryValue>(
            proc, Load, Int32, Origin(),
            root->appendNew<Value>(
                proc, Shl, Origin(),
                root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0),
                root->appendNew<Const32Value>(proc, Origin(), shift))));

    CHECK(compileAndRun<int>(proc, arg) == 8675309);
}

void testFramePointer()
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    root->appendNewControlValue(
        proc, Return, Origin(),
        root->appendNew<Value>(proc, FramePointer, Origin()));

    void* fp = compileAndRun<void*>(proc);
    CHECK(fp < &proc);
    CHECK(fp >= bitwise_cast<char*>(&proc) - 10000);
}

void testOverrideFramePointer()
{
    {
        Procedure proc;
        BasicBlock* root = proc.addBlock();

        // Add a stack slot to make the frame non trivial.
        root->appendNew<SlotBaseValue>(proc, Origin(), proc.addStackSlot(8));

        // Sub on x86 UseDef the source. If FP is not protected correctly, it will be overridden since it is the last visible use.
        Value* offset = root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0);
        Value* fp = root->appendNew<Value>(proc, FramePointer, Origin());
        Value* result = root->appendNew<Value>(proc, Sub, Origin(), fp, offset);

        root->appendNewControlValue(proc, Return, Origin(), result);
        CHECK(compileAndRun<int64_t>(proc, 1));
    }
    {
        Procedure proc;
        BasicBlock* root = proc.addBlock();

        root->appendNew<SlotBaseValue>(proc, Origin(), proc.addStackSlot(8));

        Value* offset = root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0);
        Value* fp = root->appendNew<Value>(proc, FramePointer, Origin());
        Value* offsetFP = root->appendNew<Value>(proc, BitAnd, Origin(), offset, fp);
        Value* arg = root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR1);
        Value* offsetArg = root->appendNew<Value>(proc, Add, Origin(), offset, arg);
        Value* result = root->appendNew<Value>(proc, Add, Origin(), offsetArg, offsetFP);

        root->appendNewControlValue(proc, Return, Origin(), result);
        CHECK(compileAndRun<int64_t>(proc, 1, 2));
    }
}

void testStackSlot()
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    root->appendNewControlValue(
        proc, Return, Origin(),
        root->appendNew<SlotBaseValue>(proc, Origin(), proc.addStackSlot(1)));

    void* stackSlot = compileAndRun<void*>(proc);
    CHECK(stackSlot < &proc);
    CHECK(stackSlot >= bitwise_cast<char*>(&proc) - 10000);
}

void testLoadFromFramePointer()
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    root->appendNewControlValue(
        proc, Return, Origin(),
        root->appendNew<MemoryValue>(
            proc, Load, pointerType(), Origin(),
            root->appendNew<Value>(proc, FramePointer, Origin())));

    void* fp = compileAndRun<void*>(proc);
    void* myFP = __builtin_frame_address(0);
    CHECK(fp <= myFP);
    CHECK(fp >= bitwise_cast<char*>(myFP) - 10000);
}

void testStoreLoadStackSlot(int value)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();

    SlotBaseValue* stack =
        root->appendNew<SlotBaseValue>(proc, Origin(), proc.addStackSlot(sizeof(int)));

    root->appendNew<MemoryValue>(
        proc, Store, Origin(),
        root->appendNew<Value>(
            proc, Trunc, Origin(),
            root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0)),
        stack);
    
    root->appendNewControlValue(
        proc, Return, Origin(),
        root->appendNew<MemoryValue>(proc, Load, Int32, Origin(), stack));

    CHECK(compileAndRun<int>(proc, value) == value);
}

template<typename LoadedType, typename EffectiveType>
EffectiveType modelLoad(EffectiveType value)
{
    union {
        EffectiveType original;
        LoadedType loaded;
    } u;

    u.original = value;
    if (std::is_signed<LoadedType>::value)
        return static_cast<EffectiveType>(u.loaded);
    return static_cast<EffectiveType>(static_cast<typename std::make_unsigned<EffectiveType>::type>(u.loaded));
}

template<>
float modelLoad<float, float>(float value) { return value; }

template<>
double modelLoad<double, double>(double value) { return value; }

template<B3::Type type, typename CType, typename InputType>
void testLoad(B3::Opcode opcode, InputType value)
{
    // Simple load from an absolute address.
    {
        Procedure proc;
        BasicBlock* root = proc.addBlock();
        
        root->appendNewControlValue(
            proc, Return, Origin(),
            root->appendNew<MemoryValue>(
                proc, opcode, type, Origin(),
                root->appendNew<ConstPtrValue>(proc, Origin(), &value)));

        CHECK(isIdentical(compileAndRun<CType>(proc), modelLoad<CType>(value)));
    }
    
    // Simple load from an address in a register.
    {
        Procedure proc;
        BasicBlock* root = proc.addBlock();
        
        root->appendNewControlValue(
            proc, Return, Origin(),
            root->appendNew<MemoryValue>(
                proc, opcode, type, Origin(),
                root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0)));

        CHECK(isIdentical(compileAndRun<CType>(proc, &value), modelLoad<CType>(value)));
    }
    
    // Simple load from an address in a register, at an offset.
    {
        Procedure proc;
        BasicBlock* root = proc.addBlock();
        
        root->appendNewControlValue(
            proc, Return, Origin(),
            root->appendNew<MemoryValue>(
                proc, opcode, type, Origin(),
                root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0),
                sizeof(InputType)));

        CHECK(isIdentical(compileAndRun<CType>(proc, &value - 1), modelLoad<CType>(value)));
    }

    // Load from a simple base-index with various scales.
    for (unsigned logScale = 0; logScale <= 3; ++logScale) {
        Procedure proc;
        BasicBlock* root = proc.addBlock();

        root->appendNewControlValue(
            proc, Return, Origin(),
            root->appendNew<MemoryValue>(
                proc, opcode, type, Origin(),
                root->appendNew<Value>(
                    proc, Add, Origin(),
                    root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0),
                    root->appendNew<Value>(
                        proc, Shl, Origin(),
                        root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR1),
                        root->appendNew<Const32Value>(proc, Origin(), logScale)))));

        CHECK(isIdentical(compileAndRun<CType>(proc, &value - 2, (sizeof(InputType) * 2) >> logScale), modelLoad<CType>(value)));
    }

    // Load from a simple base-index with various scales, but commuted.
    for (unsigned logScale = 0; logScale <= 3; ++logScale) {
        Procedure proc;
        BasicBlock* root = proc.addBlock();

        root->appendNewControlValue(
            proc, Return, Origin(),
            root->appendNew<MemoryValue>(
                proc, opcode, type, Origin(),
                root->appendNew<Value>(
                    proc, Add, Origin(),
                    root->appendNew<Value>(
                        proc, Shl, Origin(),
                        root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR1),
                        root->appendNew<Const32Value>(proc, Origin(), logScale)),
                    root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0))));

        CHECK(isIdentical(compileAndRun<CType>(proc, &value - 2, (sizeof(InputType) * 2) >> logScale), modelLoad<CType>(value)));
    }
}

template<typename T>
void testLoad(B3::Opcode opcode, int32_t value)
{
    return testLoad<Int32, T>(opcode, value);
}

template<B3::Type type, typename T>
void testLoad(T value)
{
    return testLoad<type, T>(Load, value);
}

void testStoreFloat(double input)
{
    // Simple store from an address in a register.
    {
        Procedure proc;
        BasicBlock* root = proc.addBlock();
        Value* argument = root->appendNew<ArgumentRegValue>(proc, Origin(), FPRInfo::argumentFPR0);
        Value* argumentAsFloat = root->appendNew<Value>(proc, DoubleToFloat, Origin(), argument);

        Value* destinationAddress = root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0);
        root->appendNew<MemoryValue>(proc, Store, Origin(), argumentAsFloat, destinationAddress);

        root->appendNewControlValue(proc, Return, Origin(), root->appendNew<Const32Value>(proc, Origin(), 0));

        float output = 0.;
        CHECK(!compileAndRun<int64_t>(proc, input, &output));
        CHECK(isIdentical(static_cast<float>(input), output));
    }

    // Simple indexed store.
    {
        Procedure proc;
        BasicBlock* root = proc.addBlock();
        Value* argument = root->appendNew<ArgumentRegValue>(proc, Origin(), FPRInfo::argumentFPR0);
        Value* argumentAsFloat = root->appendNew<Value>(proc, DoubleToFloat, Origin(), argument);

        Value* destinationBaseAddress = root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0);
        Value* index = root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR1);
        Value* scaledIndex = root->appendNew<Value>(
            proc, Shl, Origin(),
            index,
            root->appendNew<Const32Value>(proc, Origin(), 2));
        Value* destinationAddress = root->appendNew<Value>(proc, Add, Origin(), scaledIndex, destinationBaseAddress);

        root->appendNew<MemoryValue>(proc, Store, Origin(), argumentAsFloat, destinationAddress);

        root->appendNewControlValue(proc, Return, Origin(), root->appendNew<Const32Value>(proc, Origin(), 0));

        float output = 0.;
        CHECK(!compileAndRun<int64_t>(proc, input, &output - 1, 1));
        CHECK(isIdentical(static_cast<float>(input), output));
    }
}

void testStoreDoubleConstantAsFloat(double input)
{
    // Simple store from an address in a register.
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    Value* value = root->appendNew<ConstDoubleValue>(proc, Origin(), input);
    Value* valueAsFloat = root->appendNew<Value>(proc, DoubleToFloat, Origin(), value);

    Value* destinationAddress = root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0);

    root->appendNew<MemoryValue>(proc, Store, Origin(), valueAsFloat, destinationAddress);

    root->appendNewControlValue(proc, Return, Origin(), root->appendNew<Const32Value>(proc, Origin(), 0));

    float output = 0.;
    CHECK(!compileAndRun<int64_t>(proc, input, &output));
    CHECK(isIdentical(static_cast<float>(input), output));
}

void testSpillGP()
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();

    Vector<Value*> sources;
    sources.append(root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0));
    sources.append(root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR1));

    for (unsigned i = 0; i < 30; ++i) {
        sources.append(
            root->appendNew<Value>(proc, Add, Origin(), sources[sources.size() - 1], sources[sources.size() - 2])
        );
    }

    Value* total = root->appendNew<Const64Value>(proc, Origin(), 0);
    for (Value* value : sources)
        total = root->appendNew<Value>(proc, Add, Origin(), total, value);

    root->appendNewControlValue(proc, Return, Origin(), total);
    compileAndRun<int>(proc, 1, 2);
}

void testSpillFP()
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();

    Vector<Value*> sources;
    sources.append(root->appendNew<ArgumentRegValue>(proc, Origin(), FPRInfo::argumentFPR0));
    sources.append(root->appendNew<ArgumentRegValue>(proc, Origin(), FPRInfo::argumentFPR1));

    for (unsigned i = 0; i < 30; ++i) {
        sources.append(
            root->appendNew<Value>(proc, Add, Origin(), sources[sources.size() - 1], sources[sources.size() - 2])
        );
    }

    Value* total = root->appendNew<ConstDoubleValue>(proc, Origin(), 0.);
    for (Value* value : sources)
        total = root->appendNew<Value>(proc, Add, Origin(), total, value);

    root->appendNewControlValue(proc, Return, Origin(), total);
    compileAndRun<double>(proc, 1.1, 2.5);
}

void testInt32ToDoublePartialRegisterStall()
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    BasicBlock* loop = proc.addBlock();
    BasicBlock* done = proc.addBlock();

    // Head.
    Value* total = root->appendNew<ConstDoubleValue>(proc, Origin(), 0.);
    Value* counter = root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0);
    UpsilonValue* originalTotal = root->appendNew<UpsilonValue>(proc, Origin(), total);
    UpsilonValue* originalCounter = root->appendNew<UpsilonValue>(proc, Origin(), counter);
    root->appendNewControlValue(proc, Jump, Origin(), FrequentedBlock(loop));

    // Loop.
    Value* loopCounter = loop->appendNew<Value>(proc, Phi, Int64, Origin());
    Value* loopTotal = loop->appendNew<Value>(proc, Phi, Double, Origin());
    originalCounter->setPhi(loopCounter);
    originalTotal->setPhi(loopTotal);

    Value* truncatedCounter = loop->appendNew<Value>(proc, Trunc, Origin(), loopCounter);
    Value* doubleCounter = loop->appendNew<Value>(proc, IToD, Origin(), truncatedCounter);
    Value* updatedTotal = loop->appendNew<Value>(proc, Add, Origin(), doubleCounter, loopTotal);
    UpsilonValue* updatedTotalUpsilon = loop->appendNew<UpsilonValue>(proc, Origin(), updatedTotal);
    updatedTotalUpsilon->setPhi(loopTotal);

    Value* decCounter = loop->appendNew<Value>(proc, Sub, Origin(), loopCounter, loop->appendNew<Const64Value>(proc, Origin(), 1));
    UpsilonValue* decCounterUpsilon = loop->appendNew<UpsilonValue>(proc, Origin(), decCounter);
    decCounterUpsilon->setPhi(loopCounter);
    loop->appendNewControlValue(
        proc, Branch, Origin(),
        decCounter,
        FrequentedBlock(loop), FrequentedBlock(done));

    // Tail.
    done->appendNewControlValue(proc, Return, Origin(), updatedTotal);
    CHECK(isIdentical(compileAndRun<double>(proc, 100000), 5000050000.));
}

void testInt32ToDoublePartialRegisterWithoutStall()
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    BasicBlock* loop = proc.addBlock();
    BasicBlock* done = proc.addBlock();

    // Head.
    Value* total = root->appendNew<ConstDoubleValue>(proc, Origin(), 0.);
    Value* counter = root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0);
    UpsilonValue* originalTotal = root->appendNew<UpsilonValue>(proc, Origin(), total);
    UpsilonValue* originalCounter = root->appendNew<UpsilonValue>(proc, Origin(), counter);
    uint64_t forPaddingInput;
    Value* forPaddingInputAddress = root->appendNew<ConstPtrValue>(proc, Origin(), &forPaddingInput);
    uint64_t forPaddingOutput;
    Value* forPaddingOutputAddress = root->appendNew<ConstPtrValue>(proc, Origin(), &forPaddingOutput);
    root->appendNewControlValue(proc, Jump, Origin(), FrequentedBlock(loop));

    // Loop.
    Value* loopCounter = loop->appendNew<Value>(proc, Phi, Int64, Origin());
    Value* loopTotal = loop->appendNew<Value>(proc, Phi, Double, Origin());
    originalCounter->setPhi(loopCounter);
    originalTotal->setPhi(loopTotal);

    Value* truncatedCounter = loop->appendNew<Value>(proc, Trunc, Origin(), loopCounter);
    Value* doubleCounter = loop->appendNew<Value>(proc, IToD, Origin(), truncatedCounter);
    Value* updatedTotal = loop->appendNew<Value>(proc, Add, Origin(), doubleCounter, loopTotal);

    // Add enough padding instructions to avoid a stall.
    Value* loadPadding = loop->appendNew<MemoryValue>(proc, Load, Int64, Origin(), forPaddingInputAddress);
    Value* padding = loop->appendNew<Value>(proc, BitXor, Origin(), loadPadding, loopCounter);
    padding = loop->appendNew<Value>(proc, Add, Origin(), padding, loopCounter);
    padding = loop->appendNew<Value>(proc, BitOr, Origin(), padding, loopCounter);
    padding = loop->appendNew<Value>(proc, Sub, Origin(), padding, loopCounter);
    padding = loop->appendNew<Value>(proc, BitXor, Origin(), padding, loopCounter);
    padding = loop->appendNew<Value>(proc, Add, Origin(), padding, loopCounter);
    padding = loop->appendNew<Value>(proc, BitOr, Origin(), padding, loopCounter);
    padding = loop->appendNew<Value>(proc, Sub, Origin(), padding, loopCounter);
    padding = loop->appendNew<Value>(proc, BitXor, Origin(), padding, loopCounter);
    padding = loop->appendNew<Value>(proc, Add, Origin(), padding, loopCounter);
    padding = loop->appendNew<Value>(proc, BitOr, Origin(), padding, loopCounter);
    padding = loop->appendNew<Value>(proc, Sub, Origin(), padding, loopCounter);
    loop->appendNew<MemoryValue>(proc, Store, Origin(), padding, forPaddingOutputAddress);

    UpsilonValue* updatedTotalUpsilon = loop->appendNew<UpsilonValue>(proc, Origin(), updatedTotal);
    updatedTotalUpsilon->setPhi(loopTotal);

    Value* decCounter = loop->appendNew<Value>(proc, Sub, Origin(), loopCounter, loop->appendNew<Const64Value>(proc, Origin(), 1));
    UpsilonValue* decCounterUpsilon = loop->appendNew<UpsilonValue>(proc, Origin(), decCounter);
    decCounterUpsilon->setPhi(loopCounter);
    loop->appendNewControlValue(
        proc, Branch, Origin(),
        decCounter,
        FrequentedBlock(loop), FrequentedBlock(done));

    // Tail.
    done->appendNewControlValue(proc, Return, Origin(), updatedTotal);
    CHECK(isIdentical(compileAndRun<double>(proc, 100000), 5000050000.));
}

void testBranch()
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    BasicBlock* thenCase = proc.addBlock();
    BasicBlock* elseCase = proc.addBlock();

    root->appendNewControlValue(
        proc, Branch, Origin(),
        root->appendNew<Value>(
            proc, Trunc, Origin(),
            root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0)),
        FrequentedBlock(thenCase), FrequentedBlock(elseCase));

    thenCase->appendNewControlValue(
        proc, Return, Origin(),
        thenCase->appendNew<Const32Value>(proc, Origin(), 1));

    elseCase->appendNewControlValue(
        proc, Return, Origin(),
        elseCase->appendNew<Const32Value>(proc, Origin(), 0));

    auto code = compile(proc);
    CHECK(invoke<int>(*code, 42) == 1);
    CHECK(invoke<int>(*code, 0) == 0);
}

void testBranchPtr()
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    BasicBlock* thenCase = proc.addBlock();
    BasicBlock* elseCase = proc.addBlock();

    root->appendNewControlValue(
        proc, Branch, Origin(),
        root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0),
        FrequentedBlock(thenCase), FrequentedBlock(elseCase));

    thenCase->appendNewControlValue(
        proc, Return, Origin(),
        thenCase->appendNew<Const32Value>(proc, Origin(), 1));

    elseCase->appendNewControlValue(
        proc, Return, Origin(),
        elseCase->appendNew<Const32Value>(proc, Origin(), 0));

    auto code = compile(proc);
    CHECK(invoke<int>(*code, static_cast<intptr_t>(42)) == 1);
    CHECK(invoke<int>(*code, static_cast<intptr_t>(0)) == 0);
}

void testDiamond()
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    BasicBlock* thenCase = proc.addBlock();
    BasicBlock* elseCase = proc.addBlock();
    BasicBlock* done = proc.addBlock();

    root->appendNewControlValue(
        proc, Branch, Origin(),
        root->appendNew<Value>(
            proc, Trunc, Origin(),
            root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0)),
        FrequentedBlock(thenCase), FrequentedBlock(elseCase));

    UpsilonValue* thenResult = thenCase->appendNew<UpsilonValue>(
        proc, Origin(), thenCase->appendNew<Const32Value>(proc, Origin(), 1));
    thenCase->appendNewControlValue(proc, Jump, Origin(), FrequentedBlock(done));

    UpsilonValue* elseResult = elseCase->appendNew<UpsilonValue>(
        proc, Origin(), elseCase->appendNew<Const32Value>(proc, Origin(), 0));
    elseCase->appendNewControlValue(proc, Jump, Origin(), FrequentedBlock(done));

    Value* phi = done->appendNew<Value>(proc, Phi, Int32, Origin());
    thenResult->setPhi(phi);
    elseResult->setPhi(phi);
    done->appendNewControlValue(proc, Return, Origin(), phi);

    auto code = compile(proc);
    CHECK(invoke<int>(*code, 42) == 1);
    CHECK(invoke<int>(*code, 0) == 0);
}

void testBranchNotEqual()
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    BasicBlock* thenCase = proc.addBlock();
    BasicBlock* elseCase = proc.addBlock();

    root->appendNewControlValue(
        proc, Branch, Origin(),
        root->appendNew<Value>(
            proc, NotEqual, Origin(),
            root->appendNew<Value>(
                proc, Trunc, Origin(),
                root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0)),
            root->appendNew<Const32Value>(proc, Origin(), 0)),
        FrequentedBlock(thenCase), FrequentedBlock(elseCase));

    thenCase->appendNewControlValue(
        proc, Return, Origin(),
        thenCase->appendNew<Const32Value>(proc, Origin(), 1));

    elseCase->appendNewControlValue(
        proc, Return, Origin(),
        elseCase->appendNew<Const32Value>(proc, Origin(), 0));

    auto code = compile(proc);
    CHECK(invoke<int>(*code, 42) == 1);
    CHECK(invoke<int>(*code, 0) == 0);
}

void testBranchNotEqualCommute()
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    BasicBlock* thenCase = proc.addBlock();
    BasicBlock* elseCase = proc.addBlock();

    root->appendNewControlValue(
        proc, Branch, Origin(),
        root->appendNew<Value>(
            proc, NotEqual, Origin(),
            root->appendNew<Const32Value>(proc, Origin(), 0),
            root->appendNew<Value>(
                proc, Trunc, Origin(),
                root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0))),
        FrequentedBlock(thenCase), FrequentedBlock(elseCase));

    thenCase->appendNewControlValue(
        proc, Return, Origin(),
        thenCase->appendNew<Const32Value>(proc, Origin(), 1));

    elseCase->appendNewControlValue(
        proc, Return, Origin(),
        elseCase->appendNew<Const32Value>(proc, Origin(), 0));

    auto code = compile(proc);
    CHECK(invoke<int>(*code, 42) == 1);
    CHECK(invoke<int>(*code, 0) == 0);
}

void testBranchNotEqualNotEqual()
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    BasicBlock* thenCase = proc.addBlock();
    BasicBlock* elseCase = proc.addBlock();

    root->appendNewControlValue(
        proc, Branch, Origin(),
        root->appendNew<Value>(
            proc, NotEqual, Origin(),
            root->appendNew<Value>(
                proc, NotEqual, Origin(),
                root->appendNew<Value>(
                    proc, Trunc, Origin(),
                    root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0)),
                root->appendNew<Const32Value>(proc, Origin(), 0)),
            root->appendNew<Const32Value>(proc, Origin(), 0)),
        FrequentedBlock(thenCase), FrequentedBlock(elseCase));

    thenCase->appendNewControlValue(
        proc, Return, Origin(),
        thenCase->appendNew<Const32Value>(proc, Origin(), 1));

    elseCase->appendNewControlValue(
        proc, Return, Origin(),
        elseCase->appendNew<Const32Value>(proc, Origin(), 0));

    auto code = compile(proc);
    CHECK(invoke<int>(*code, 42) == 1);
    CHECK(invoke<int>(*code, 0) == 0);
}

void testBranchEqual()
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    BasicBlock* thenCase = proc.addBlock();
    BasicBlock* elseCase = proc.addBlock();

    root->appendNewControlValue(
        proc, Branch, Origin(),
        root->appendNew<Value>(
            proc, Equal, Origin(),
            root->appendNew<Value>(
                proc, Trunc, Origin(),
                root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0)),
            root->appendNew<Const32Value>(proc, Origin(), 0)),
        FrequentedBlock(thenCase), FrequentedBlock(elseCase));

    thenCase->appendNewControlValue(
        proc, Return, Origin(),
        thenCase->appendNew<Const32Value>(proc, Origin(), 0));

    elseCase->appendNewControlValue(
        proc, Return, Origin(),
        elseCase->appendNew<Const32Value>(proc, Origin(), 1));

    auto code = compile(proc);
    CHECK(invoke<int>(*code, 42) == 1);
    CHECK(invoke<int>(*code, 0) == 0);
}

void testBranchEqualEqual()
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    BasicBlock* thenCase = proc.addBlock();
    BasicBlock* elseCase = proc.addBlock();

    root->appendNewControlValue(
        proc, Branch, Origin(),
        root->appendNew<Value>(
            proc, Equal, Origin(),
            root->appendNew<Value>(
                proc, Equal, Origin(),
                root->appendNew<Value>(
                    proc, Trunc, Origin(),
                    root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0)),
                root->appendNew<Const32Value>(proc, Origin(), 0)),
            root->appendNew<Const32Value>(proc, Origin(), 0)),
        FrequentedBlock(thenCase), FrequentedBlock(elseCase));

    thenCase->appendNewControlValue(
        proc, Return, Origin(),
        thenCase->appendNew<Const32Value>(proc, Origin(), 1));

    elseCase->appendNewControlValue(
        proc, Return, Origin(),
        elseCase->appendNew<Const32Value>(proc, Origin(), 0));

    auto code = compile(proc);
    CHECK(invoke<int>(*code, 42) == 1);
    CHECK(invoke<int>(*code, 0) == 0);
}

void testBranchEqualCommute()
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    BasicBlock* thenCase = proc.addBlock();
    BasicBlock* elseCase = proc.addBlock();

    root->appendNewControlValue(
        proc, Branch, Origin(),
        root->appendNew<Value>(
            proc, Equal, Origin(),
            root->appendNew<Const32Value>(proc, Origin(), 0),
            root->appendNew<Value>(
                proc, Trunc, Origin(),
                root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0))),
        FrequentedBlock(thenCase), FrequentedBlock(elseCase));

    thenCase->appendNewControlValue(
        proc, Return, Origin(),
        thenCase->appendNew<Const32Value>(proc, Origin(), 0));

    elseCase->appendNewControlValue(
        proc, Return, Origin(),
        elseCase->appendNew<Const32Value>(proc, Origin(), 1));

    auto code = compile(proc);
    CHECK(invoke<int>(*code, 42) == 1);
    CHECK(invoke<int>(*code, 0) == 0);
}

void testBranchEqualEqual1()
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    BasicBlock* thenCase = proc.addBlock();
    BasicBlock* elseCase = proc.addBlock();

    root->appendNewControlValue(
        proc, Branch, Origin(),
        root->appendNew<Value>(
            proc, Equal, Origin(),
            root->appendNew<Value>(
                proc, Equal, Origin(),
                root->appendNew<Value>(
                    proc, Trunc, Origin(),
                    root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0)),
                root->appendNew<Const32Value>(proc, Origin(), 0)),
            root->appendNew<Const32Value>(proc, Origin(), 1)),
        FrequentedBlock(thenCase), FrequentedBlock(elseCase));

    thenCase->appendNewControlValue(
        proc, Return, Origin(),
        thenCase->appendNew<Const32Value>(proc, Origin(), 0));

    elseCase->appendNewControlValue(
        proc, Return, Origin(),
        elseCase->appendNew<Const32Value>(proc, Origin(), 1));

    auto code = compile(proc);
    CHECK(invoke<int>(*code, 42) == 1);
    CHECK(invoke<int>(*code, 0) == 0);
}

void testBranchEqualOrUnorderedArgs(double a, double b)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    BasicBlock* thenCase = proc.addBlock();
    BasicBlock* elseCase = proc.addBlock();

    Value* argumentA = root->appendNew<ArgumentRegValue>(proc, Origin(), FPRInfo::argumentFPR0);
    Value* argumentB = root->appendNew<ArgumentRegValue>(proc, Origin(), FPRInfo::argumentFPR1);
    root->appendNewControlValue(
        proc, Branch, Origin(),
        root->appendNew<Value>(
            proc, EqualOrUnordered, Origin(),
            argumentA,
            argumentB),
        FrequentedBlock(thenCase), FrequentedBlock(elseCase));

    thenCase->appendNewControlValue(
        proc, Return, Origin(),
        thenCase->appendNew<Const32Value>(proc, Origin(), 42));

    elseCase->appendNewControlValue(
        proc, Return, Origin(),
        elseCase->appendNew<Const32Value>(proc, Origin(), -13));

    int64_t expected = (std::isunordered(a, b) || a == b) ? 42 : -13;
    CHECK(compileAndRun<int64_t>(proc, a, b) == expected);
}

void testBranchEqualOrUnorderedArgs(float a, float b)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    BasicBlock* thenCase = proc.addBlock();
    BasicBlock* elseCase = proc.addBlock();

    Value* argumentA = root->appendNew<MemoryValue>(proc, Load, Float, Origin(),
        root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0));
    Value* argumentB = root->appendNew<MemoryValue>(proc, Load, Float, Origin(),
        root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR1));

    root->appendNewControlValue(
        proc, Branch, Origin(),
        root->appendNew<Value>(
            proc, EqualOrUnordered, Origin(),
            argumentA,
            argumentB),
        FrequentedBlock(thenCase), FrequentedBlock(elseCase));

    thenCase->appendNewControlValue(
        proc, Return, Origin(),
        thenCase->appendNew<Const32Value>(proc, Origin(), 42));

    elseCase->appendNewControlValue(
        proc, Return, Origin(),
        elseCase->appendNew<Const32Value>(proc, Origin(), -13));

    int64_t expected = (std::isunordered(a, b) || a == b) ? 42 : -13;
    CHECK(compileAndRun<int64_t>(proc, &a, &b) == expected);
}

void testBranchNotEqualAndOrderedArgs(double a, double b)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    BasicBlock* thenCase = proc.addBlock();
    BasicBlock* elseCase = proc.addBlock();

    Value* argumentA = root->appendNew<ArgumentRegValue>(proc, Origin(), FPRInfo::argumentFPR0);
    Value* argumentB = root->appendNew<ArgumentRegValue>(proc, Origin(), FPRInfo::argumentFPR1);
    Value* equalOrUnordered = root->appendNew<Value>(
        proc, EqualOrUnordered, Origin(),
        argumentA,
        argumentB);
    Value* notEqualAndOrdered = root->appendNew<Value>(
        proc, Equal, Origin(),
        root->appendNew<Const32Value>(proc, Origin(), 0),
        equalOrUnordered);
    root->appendNewControlValue(
        proc, Branch, Origin(),
        notEqualAndOrdered,
        FrequentedBlock(thenCase), FrequentedBlock(elseCase));

    thenCase->appendNewControlValue(
        proc, Return, Origin(),
        thenCase->appendNew<Const32Value>(proc, Origin(), 42));

    elseCase->appendNewControlValue(
        proc, Return, Origin(),
        elseCase->appendNew<Const32Value>(proc, Origin(), -13));

    int64_t expected = (!std::isunordered(a, b) && a != b) ? 42 : -13;
    CHECK(compileAndRun<int64_t>(proc, a, b) == expected);
}

void testBranchNotEqualAndOrderedArgs(float a, float b)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    BasicBlock* thenCase = proc.addBlock();
    BasicBlock* elseCase = proc.addBlock();

    Value* argumentA = root->appendNew<MemoryValue>(proc, Load, Float, Origin(),
        root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0));
    Value* argumentB = root->appendNew<MemoryValue>(proc, Load, Float, Origin(),
        root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR1));
    Value* equalOrUnordered = root->appendNew<Value>(
        proc, EqualOrUnordered, Origin(),
        argumentA,
        argumentB);
    Value* notEqualAndOrdered = root->appendNew<Value>(
        proc, Equal, Origin(),
        root->appendNew<Const32Value>(proc, Origin(), 0),
        equalOrUnordered);
    root->appendNewControlValue(
        proc, Branch, Origin(),
        notEqualAndOrdered,
        FrequentedBlock(thenCase), FrequentedBlock(elseCase));

    thenCase->appendNewControlValue(
        proc, Return, Origin(),
        thenCase->appendNew<Const32Value>(proc, Origin(), 42));

    elseCase->appendNewControlValue(
        proc, Return, Origin(),
        elseCase->appendNew<Const32Value>(proc, Origin(), -13));

    int64_t expected = (!std::isunordered(a, b) && a != b) ? 42 : -13;
    CHECK(compileAndRun<int64_t>(proc, &a, &b) == expected);
}

void testBranchEqualOrUnorderedDoubleArgImm(double a, double b)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    BasicBlock* thenCase = proc.addBlock();
    BasicBlock* elseCase = proc.addBlock();

    Value* argumentA = root->appendNew<ArgumentRegValue>(proc, Origin(), FPRInfo::argumentFPR0);
    Value* argumentB = root->appendNew<ConstDoubleValue>(proc, Origin(), b);
    root->appendNewControlValue(
        proc, Branch, Origin(),
        root->appendNew<Value>(
            proc, EqualOrUnordered, Origin(),
            argumentA,
            argumentB),
        FrequentedBlock(thenCase), FrequentedBlock(elseCase));

    thenCase->appendNewControlValue(
        proc, Return, Origin(),
        thenCase->appendNew<Const32Value>(proc, Origin(), 42));

    elseCase->appendNewControlValue(
        proc, Return, Origin(),
        elseCase->appendNew<Const32Value>(proc, Origin(), -13));

    int64_t expected = (std::isunordered(a, b) || a == b) ? 42 : -13;
    CHECK(compileAndRun<int64_t>(proc, a) == expected);
}

void testBranchEqualOrUnorderedFloatArgImm(float a, float b)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    BasicBlock* thenCase = proc.addBlock();
    BasicBlock* elseCase = proc.addBlock();

    Value* argumentA = root->appendNew<MemoryValue>(proc, Load, Float, Origin(),
        root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0));
    Value* argumentB = root->appendNew<ConstFloatValue>(proc, Origin(), b);

    root->appendNewControlValue(
        proc, Branch, Origin(),
        root->appendNew<Value>(
            proc, EqualOrUnordered, Origin(),
            argumentA,
            argumentB),
        FrequentedBlock(thenCase), FrequentedBlock(elseCase));

    thenCase->appendNewControlValue(
        proc, Return, Origin(),
        thenCase->appendNew<Const32Value>(proc, Origin(), 42));

    elseCase->appendNewControlValue(
        proc, Return, Origin(),
        elseCase->appendNew<Const32Value>(proc, Origin(), -13));

    int64_t expected = (std::isunordered(a, b) || a == b) ? 42 : -13;
    CHECK(compileAndRun<int64_t>(proc, &a) == expected);
}

void testBranchEqualOrUnorderedDoubleImms(double a, double b)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    BasicBlock* thenCase = proc.addBlock();
    BasicBlock* elseCase = proc.addBlock();

    Value* argumentA = root->appendNew<ConstDoubleValue>(proc, Origin(), a);
    Value* argumentB = root->appendNew<ConstDoubleValue>(proc, Origin(), b);
    root->appendNewControlValue(
        proc, Branch, Origin(),
        root->appendNew<Value>(
            proc, EqualOrUnordered, Origin(),
            argumentA,
            argumentB),
        FrequentedBlock(thenCase), FrequentedBlock(elseCase));

    thenCase->appendNewControlValue(
        proc, Return, Origin(),
        thenCase->appendNew<Const32Value>(proc, Origin(), 42));

    elseCase->appendNewControlValue(
        proc, Return, Origin(),
        elseCase->appendNew<Const32Value>(proc, Origin(), -13));

    int64_t expected = (std::isunordered(a, b) || a == b) ? 42 : -13;
    CHECK(compileAndRun<int64_t>(proc) == expected);
}

void testBranchEqualOrUnorderedFloatImms(float a, float b)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    BasicBlock* thenCase = proc.addBlock();
    BasicBlock* elseCase = proc.addBlock();

    Value* argumentA = root->appendNew<ConstFloatValue>(proc, Origin(), a);
    Value* argumentB = root->appendNew<ConstFloatValue>(proc, Origin(), b);

    root->appendNewControlValue(
        proc, Branch, Origin(),
        root->appendNew<Value>(
            proc, EqualOrUnordered, Origin(),
            argumentA,
            argumentB),
        FrequentedBlock(thenCase), FrequentedBlock(elseCase));

    thenCase->appendNewControlValue(
        proc, Return, Origin(),
        thenCase->appendNew<Const32Value>(proc, Origin(), 42));

    elseCase->appendNewControlValue(
        proc, Return, Origin(),
        elseCase->appendNew<Const32Value>(proc, Origin(), -13));

    int64_t expected = (std::isunordered(a, b) || a == b) ? 42 : -13;
    CHECK(compileAndRun<int64_t>(proc) == expected);
}

void testBranchEqualOrUnorderedFloatWithUselessDoubleConversion(float a, float b)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    BasicBlock* thenCase = proc.addBlock();
    BasicBlock* elseCase = proc.addBlock();

    Value* argument1 = root->appendNew<MemoryValue>(proc, Load, Float, Origin(),
        root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0));
    Value* argument2 = root->appendNew<MemoryValue>(proc, Load, Float, Origin(),
        root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR1));
    Value* argument1AsDouble = root->appendNew<Value>(proc, FloatToDouble, Origin(), argument1);
    Value* argument2AsDouble = root->appendNew<Value>(proc, FloatToDouble, Origin(), argument2);

    root->appendNewControlValue(
        proc, Branch, Origin(),
        root->appendNew<Value>(
            proc, EqualOrUnordered, Origin(),
            argument1AsDouble,
            argument2AsDouble),
        FrequentedBlock(thenCase), FrequentedBlock(elseCase));

    thenCase->appendNewControlValue(
        proc, Return, Origin(),
        thenCase->appendNew<Const32Value>(proc, Origin(), 42));

    elseCase->appendNewControlValue(
        proc, Return, Origin(),
        elseCase->appendNew<Const32Value>(proc, Origin(), -13));

    int64_t expected = (std::isunordered(a, b) || a == b) ? 42 : -13;
    CHECK(compileAndRun<int64_t>(proc, &a, &b) == expected);
}

void testBranchFold(int value)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    BasicBlock* thenCase = proc.addBlock();
    BasicBlock* elseCase = proc.addBlock();

    root->appendNewControlValue(
        proc, Branch, Origin(),
        root->appendNew<Const32Value>(proc, Origin(), value),
        FrequentedBlock(thenCase), FrequentedBlock(elseCase));

    thenCase->appendNewControlValue(
        proc, Return, Origin(),
        thenCase->appendNew<Const32Value>(proc, Origin(), 1));

    elseCase->appendNewControlValue(
        proc, Return, Origin(),
        elseCase->appendNew<Const32Value>(proc, Origin(), 0));

    CHECK(compileAndRun<int>(proc) == !!value);
}

void testDiamondFold(int value)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    BasicBlock* thenCase = proc.addBlock();
    BasicBlock* elseCase = proc.addBlock();
    BasicBlock* done = proc.addBlock();

    root->appendNewControlValue(
        proc, Branch, Origin(),
        root->appendNew<Const32Value>(proc, Origin(), value),
        FrequentedBlock(thenCase), FrequentedBlock(elseCase));

    UpsilonValue* thenResult = thenCase->appendNew<UpsilonValue>(
        proc, Origin(), thenCase->appendNew<Const32Value>(proc, Origin(), 1));
    thenCase->appendNewControlValue(proc, Jump, Origin(), FrequentedBlock(done));

    UpsilonValue* elseResult = elseCase->appendNew<UpsilonValue>(
        proc, Origin(), elseCase->appendNew<Const32Value>(proc, Origin(), 0));
    elseCase->appendNewControlValue(proc, Jump, Origin(), FrequentedBlock(done));

    Value* phi = done->appendNew<Value>(proc, Phi, Int32, Origin());
    thenResult->setPhi(phi);
    elseResult->setPhi(phi);
    done->appendNewControlValue(proc, Return, Origin(), phi);

    CHECK(compileAndRun<int>(proc) == !!value);
}

void testBranchNotEqualFoldPtr(intptr_t value)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    BasicBlock* thenCase = proc.addBlock();
    BasicBlock* elseCase = proc.addBlock();

    root->appendNewControlValue(
        proc, Branch, Origin(),
        root->appendNew<Value>(
            proc, NotEqual, Origin(),
            root->appendNew<ConstPtrValue>(proc, Origin(), value),
            root->appendNew<ConstPtrValue>(proc, Origin(), 0)),
        FrequentedBlock(thenCase), FrequentedBlock(elseCase));

    thenCase->appendNewControlValue(
        proc, Return, Origin(),
        thenCase->appendNew<Const32Value>(proc, Origin(), 1));

    elseCase->appendNewControlValue(
        proc, Return, Origin(),
        elseCase->appendNew<Const32Value>(proc, Origin(), 0));

    CHECK(compileAndRun<int>(proc) == !!value);
}

void testBranchEqualFoldPtr(intptr_t value)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    BasicBlock* thenCase = proc.addBlock();
    BasicBlock* elseCase = proc.addBlock();

    root->appendNewControlValue(
        proc, Branch, Origin(),
        root->appendNew<Value>(
            proc, Equal, Origin(),
            root->appendNew<ConstPtrValue>(proc, Origin(), value),
            root->appendNew<ConstPtrValue>(proc, Origin(), 0)),
        FrequentedBlock(thenCase), FrequentedBlock(elseCase));

    thenCase->appendNewControlValue(
        proc, Return, Origin(),
        thenCase->appendNew<Const32Value>(proc, Origin(), 1));

    elseCase->appendNewControlValue(
        proc, Return, Origin(),
        elseCase->appendNew<Const32Value>(proc, Origin(), 0));

    CHECK(compileAndRun<int>(proc) == !value);
}

void testBranchLoadPtr()
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    BasicBlock* thenCase = proc.addBlock();
    BasicBlock* elseCase = proc.addBlock();

    root->appendNewControlValue(
        proc, Branch, Origin(),
        root->appendNew<MemoryValue>(
            proc, Load, pointerType(), Origin(),
            root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0)),
        FrequentedBlock(thenCase), FrequentedBlock(elseCase));

    thenCase->appendNewControlValue(
        proc, Return, Origin(),
        thenCase->appendNew<Const32Value>(proc, Origin(), 1));

    elseCase->appendNewControlValue(
        proc, Return, Origin(),
        elseCase->appendNew<Const32Value>(proc, Origin(), 0));

    auto code = compile(proc);
    intptr_t cond;
    cond = 42;
    CHECK(invoke<int>(*code, &cond) == 1);
    cond = 0;
    CHECK(invoke<int>(*code, &cond) == 0);
}

void testBranchLoad32()
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    BasicBlock* thenCase = proc.addBlock();
    BasicBlock* elseCase = proc.addBlock();

    root->appendNewControlValue(
        proc, Branch, Origin(),
        root->appendNew<MemoryValue>(
            proc, Load, Int32, Origin(),
            root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0)),
        FrequentedBlock(thenCase), FrequentedBlock(elseCase));

    thenCase->appendNewControlValue(
        proc, Return, Origin(),
        thenCase->appendNew<Const32Value>(proc, Origin(), 1));

    elseCase->appendNewControlValue(
        proc, Return, Origin(),
        elseCase->appendNew<Const32Value>(proc, Origin(), 0));

    auto code = compile(proc);
    int32_t cond;
    cond = 42;
    CHECK(invoke<int>(*code, &cond) == 1);
    cond = 0;
    CHECK(invoke<int>(*code, &cond) == 0);
}

void testBranchLoad8S()
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    BasicBlock* thenCase = proc.addBlock();
    BasicBlock* elseCase = proc.addBlock();

    root->appendNewControlValue(
        proc, Branch, Origin(),
        root->appendNew<MemoryValue>(
            proc, Load8S, Origin(),
            root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0)),
        FrequentedBlock(thenCase), FrequentedBlock(elseCase));

    thenCase->appendNewControlValue(
        proc, Return, Origin(),
        thenCase->appendNew<Const32Value>(proc, Origin(), 1));

    elseCase->appendNewControlValue(
        proc, Return, Origin(),
        elseCase->appendNew<Const32Value>(proc, Origin(), 0));

    auto code = compile(proc);
    int8_t cond;
    cond = -1;
    CHECK(invoke<int>(*code, &cond) == 1);
    cond = 0;
    CHECK(invoke<int>(*code, &cond) == 0);
}

void testBranchLoad8Z()
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    BasicBlock* thenCase = proc.addBlock();
    BasicBlock* elseCase = proc.addBlock();

    root->appendNewControlValue(
        proc, Branch, Origin(),
        root->appendNew<MemoryValue>(
            proc, Load8Z, Origin(),
            root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0)),
        FrequentedBlock(thenCase), FrequentedBlock(elseCase));

    thenCase->appendNewControlValue(
        proc, Return, Origin(),
        thenCase->appendNew<Const32Value>(proc, Origin(), 1));

    elseCase->appendNewControlValue(
        proc, Return, Origin(),
        elseCase->appendNew<Const32Value>(proc, Origin(), 0));

    auto code = compile(proc);
    uint8_t cond;
    cond = 1;
    CHECK(invoke<int>(*code, &cond) == 1);
    cond = 0;
    CHECK(invoke<int>(*code, &cond) == 0);
}

void testBranchLoad16S()
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    BasicBlock* thenCase = proc.addBlock();
    BasicBlock* elseCase = proc.addBlock();

    root->appendNewControlValue(
        proc, Branch, Origin(),
        root->appendNew<MemoryValue>(
            proc, Load16S, Origin(),
            root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0)),
        FrequentedBlock(thenCase), FrequentedBlock(elseCase));

    thenCase->appendNewControlValue(
        proc, Return, Origin(),
        thenCase->appendNew<Const32Value>(proc, Origin(), 1));

    elseCase->appendNewControlValue(
        proc, Return, Origin(),
        elseCase->appendNew<Const32Value>(proc, Origin(), 0));

    auto code = compile(proc);
    int16_t cond;
    cond = -1;
    CHECK(invoke<int>(*code, &cond) == 1);
    cond = 0;
    CHECK(invoke<int>(*code, &cond) == 0);
}

void testBranchLoad16Z()
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    BasicBlock* thenCase = proc.addBlock();
    BasicBlock* elseCase = proc.addBlock();

    root->appendNewControlValue(
        proc, Branch, Origin(),
        root->appendNew<MemoryValue>(
            proc, Load16Z, Origin(),
            root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0)),
        FrequentedBlock(thenCase), FrequentedBlock(elseCase));

    thenCase->appendNewControlValue(
        proc, Return, Origin(),
        thenCase->appendNew<Const32Value>(proc, Origin(), 1));

    elseCase->appendNewControlValue(
        proc, Return, Origin(),
        elseCase->appendNew<Const32Value>(proc, Origin(), 0));

    auto code = compile(proc);
    uint16_t cond;
    cond = 1;
    CHECK(invoke<int>(*code, &cond) == 1);
    cond = 0;
    CHECK(invoke<int>(*code, &cond) == 0);
}

void testBranch8WithLoad8ZIndex()
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    BasicBlock* thenCase = proc.addBlock();
    BasicBlock* elseCase = proc.addBlock();

    int logScale = 1;
    root->appendNewControlValue(
        proc, Branch, Origin(),
        root->appendNew<Value>(
            proc, Above, Origin(),
            root->appendNew<MemoryValue>(
                proc, Load8Z, Origin(),
                root->appendNew<Value>(
                    proc, Add, Origin(),
                    root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0),
                    root->appendNew<Value>(
                        proc, Shl, Origin(),
                        root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR1),
                        root->appendNew<Const32Value>(proc, Origin(), logScale)))),
            root->appendNew<Const32Value>(proc, Origin(), 250)),
        FrequentedBlock(thenCase), FrequentedBlock(elseCase));

    thenCase->appendNewControlValue(
        proc, Return, Origin(),
        thenCase->appendNew<Const32Value>(proc, Origin(), 1));

    elseCase->appendNewControlValue(
        proc, Return, Origin(),
        elseCase->appendNew<Const32Value>(proc, Origin(), 0));

    auto code = compile(proc);
    uint32_t cond;
    cond = 0xffffffffU; // All bytes are 0xff.
    CHECK(invoke<int>(*code, &cond - 2, (sizeof(uint32_t) * 2) >> logScale) == 1);
    cond = 0x00000000U; // All bytes are 0.
    CHECK(invoke<int>(*code, &cond - 2, (sizeof(uint32_t) * 2) >> logScale) == 0);
}

void testComplex(unsigned numVars, unsigned numConstructs)
{
    double before = monotonicallyIncreasingTimeMS();
    
    Procedure proc;
    BasicBlock* current = proc.addBlock();

    Const32Value* one = current->appendNew<Const32Value>(proc, Origin(), 1);

    Vector<int32_t> varSlots;
    for (unsigned i = numVars; i--;)
        varSlots.append(i);

    Vector<Value*> vars;
    for (int32_t& varSlot : varSlots) {
        Value* varSlotPtr = current->appendNew<ConstPtrValue>(proc, Origin(), &varSlot);
        vars.append(current->appendNew<MemoryValue>(proc, Load, Int32, Origin(), varSlotPtr));
    }

    for (unsigned i = 0; i < numConstructs; ++i) {
        if (i & 1) {
            // Control flow diamond.
            unsigned predicateVarIndex = ((i >> 1) + 2) % numVars;
            unsigned thenIncVarIndex = ((i >> 1) + 0) % numVars;
            unsigned elseIncVarIndex = ((i >> 1) + 1) % numVars;

            BasicBlock* thenBlock = proc.addBlock();
            BasicBlock* elseBlock = proc.addBlock();
            BasicBlock* continuation = proc.addBlock();

            current->appendNewControlValue(
                proc, Branch, Origin(), vars[predicateVarIndex],
                FrequentedBlock(thenBlock), FrequentedBlock(elseBlock));

            UpsilonValue* thenThenResult = thenBlock->appendNew<UpsilonValue>(
                proc, Origin(),
                thenBlock->appendNew<Value>(proc, Add, Origin(), vars[thenIncVarIndex], one));
            UpsilonValue* thenElseResult = thenBlock->appendNew<UpsilonValue>(
                proc, Origin(), vars[elseIncVarIndex]);
            thenBlock->appendNewControlValue(proc, Jump, Origin(), FrequentedBlock(continuation));

            UpsilonValue* elseElseResult = elseBlock->appendNew<UpsilonValue>(
                proc, Origin(),
                elseBlock->appendNew<Value>(proc, Add, Origin(), vars[elseIncVarIndex], one));
            UpsilonValue* elseThenResult = elseBlock->appendNew<UpsilonValue>(
                proc, Origin(), vars[thenIncVarIndex]);
            elseBlock->appendNewControlValue(proc, Jump, Origin(), FrequentedBlock(continuation));

            Value* thenPhi = continuation->appendNew<Value>(proc, Phi, Int32, Origin());
            thenThenResult->setPhi(thenPhi);
            elseThenResult->setPhi(thenPhi);
            vars[thenIncVarIndex] = thenPhi;
            
            Value* elsePhi = continuation->appendNew<Value>(proc, Phi, Int32, Origin());
            thenElseResult->setPhi(elsePhi);
            elseElseResult->setPhi(elsePhi);
            vars[elseIncVarIndex] = thenPhi;
            
            current = continuation;
        } else {
            // Loop.

            BasicBlock* loopEntry = proc.addBlock();
            BasicBlock* loopReentry = proc.addBlock();
            BasicBlock* loopBody = proc.addBlock();
            BasicBlock* loopExit = proc.addBlock();
            BasicBlock* loopSkip = proc.addBlock();
            BasicBlock* continuation = proc.addBlock();
            
            Value* startIndex = vars[((i >> 1) + 1) % numVars];
            Value* startSum = current->appendNew<Const32Value>(proc, Origin(), 0);
            current->appendNewControlValue(
                proc, Branch, Origin(), startIndex,
                FrequentedBlock(loopEntry), FrequentedBlock(loopSkip));

            UpsilonValue* startIndexForBody = loopEntry->appendNew<UpsilonValue>(
                proc, Origin(), startIndex);
            UpsilonValue* startSumForBody = loopEntry->appendNew<UpsilonValue>(
                proc, Origin(), startSum);
            loopEntry->appendNewControlValue(proc, Jump, Origin(), FrequentedBlock(loopBody));

            Value* bodyIndex = loopBody->appendNew<Value>(proc, Phi, Int32, Origin());
            startIndexForBody->setPhi(bodyIndex);
            Value* bodySum = loopBody->appendNew<Value>(proc, Phi, Int32, Origin());
            startSumForBody->setPhi(bodySum);
            Value* newBodyIndex = loopBody->appendNew<Value>(proc, Sub, Origin(), bodyIndex, one);
            Value* newBodySum = loopBody->appendNew<Value>(
                proc, Add, Origin(),
                bodySum,
                loopBody->appendNew<MemoryValue>(
                    proc, Load, Int32, Origin(),
                    loopBody->appendNew<Value>(
                        proc, Add, Origin(),
                        loopBody->appendNew<ConstPtrValue>(proc, Origin(), varSlots.data()),
                        loopBody->appendNew<Value>(
                            proc, Shl, Origin(),
                            loopBody->appendNew<Value>(
                                proc, ZExt32, Origin(),
                                loopBody->appendNew<Value>(
                                    proc, BitAnd, Origin(),
                                    newBodyIndex,
                                    loopBody->appendNew<Const32Value>(
                                        proc, Origin(), numVars - 1))),
                            loopBody->appendNew<Const32Value>(proc, Origin(), 2)))));
            loopBody->appendNewControlValue(
                proc, Branch, Origin(), newBodyIndex,
                FrequentedBlock(loopReentry), FrequentedBlock(loopExit));

            loopReentry->appendNew<UpsilonValue>(proc, Origin(), newBodyIndex, bodyIndex);
            loopReentry->appendNew<UpsilonValue>(proc, Origin(), newBodySum, bodySum);
            loopReentry->appendNewControlValue(proc, Jump, Origin(), FrequentedBlock(loopBody));

            UpsilonValue* exitSum = loopExit->appendNew<UpsilonValue>(proc, Origin(), newBodySum);
            loopExit->appendNewControlValue(proc, Jump, Origin(), FrequentedBlock(continuation));

            UpsilonValue* skipSum = loopSkip->appendNew<UpsilonValue>(proc, Origin(), startSum);
            loopSkip->appendNewControlValue(proc, Jump, Origin(), FrequentedBlock(continuation));

            Value* finalSum = continuation->appendNew<Value>(proc, Phi, Int32, Origin());
            exitSum->setPhi(finalSum);
            skipSum->setPhi(finalSum);

            current = continuation;
            vars[((i >> 1) + 0) % numVars] = finalSum;
        }
    }

    current->appendNewControlValue(proc, Return, Origin(), vars[0]);

    compile(proc);

    double after = monotonicallyIncreasingTimeMS();
    dataLog(toCString("    That took ", after - before, " ms.\n"));
}

void testSimplePatchpoint()
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    Value* arg1 = root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0);
    Value* arg2 = root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR1);
    PatchpointValue* patchpoint = root->appendNew<PatchpointValue>(proc, Int32, Origin());
    patchpoint->append(ConstrainedValue(arg1, ValueRep::SomeRegister));
    patchpoint->append(ConstrainedValue(arg2, ValueRep::SomeRegister));
    patchpoint->setGenerator(
        [&] (CCallHelpers& jit, const StackmapGenerationParams& params) {
            AllowMacroScratchRegisterUsage allowScratch(jit);
            CHECK(params.size() == 3);
            CHECK(params[0].isGPR());
            CHECK(params[1].isGPR());
            CHECK(params[2].isGPR());
            add32(jit, params[1].gpr(), params[2].gpr(), params[0].gpr());
        });
    root->appendNewControlValue(proc, Return, Origin(), patchpoint);

    CHECK(compileAndRun<int>(proc, 1, 2) == 3);
}

void testSimplePatchpointWithoutOuputClobbersGPArgs()
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    Value* arg1 = root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0);
    Value* arg2 = root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR1);
    Value* const1 = root->appendNew<Const64Value>(proc, Origin(), 42);
    Value* const2 = root->appendNew<Const64Value>(proc, Origin(), 13);

    PatchpointValue* patchpoint = root->appendNew<PatchpointValue>(proc, Void, Origin());
    patchpoint->clobberLate(RegisterSet(GPRInfo::argumentGPR0, GPRInfo::argumentGPR1));
    patchpoint->append(ConstrainedValue(const1, ValueRep::SomeRegister));
    patchpoint->append(ConstrainedValue(const2, ValueRep::SomeRegister));
    patchpoint->setGenerator(
        [&] (CCallHelpers& jit, const StackmapGenerationParams& params) {
            AllowMacroScratchRegisterUsage allowScratch(jit);
            CHECK(params.size() == 2);
            CHECK(params[0].isGPR());
            CHECK(params[1].isGPR());
            jit.move(CCallHelpers::TrustedImm32(0x00ff00ff), params[0].gpr());
            jit.move(CCallHelpers::TrustedImm32(0x00ff00ff), params[1].gpr());
            jit.move(CCallHelpers::TrustedImm32(0x00ff00ff), GPRInfo::argumentGPR0);
            jit.move(CCallHelpers::TrustedImm32(0x00ff00ff), GPRInfo::argumentGPR1);
        });

    Value* result = root->appendNew<Value>(proc, Add, Origin(), arg1, arg2);
    root->appendNewControlValue(proc, Return, Origin(), result);

    CHECK(compileAndRun<int>(proc, 1, 2) == 3);
}

void testSimplePatchpointWithOuputClobbersGPArgs()
{
    // We can't predict where the output will be but we want to be sure it is not
    // one of the clobbered registers which is a bit hard to test.
    //
    // What we do is force the hand of our register allocator by clobbering absolutely
    // everything but 1. The only valid allocation is to give it to the result and
    // spill everything else.

    Procedure proc;
    BasicBlock* root = proc.addBlock();
    Value* arg1 = root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0);
    Value* arg2 = root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR1);
    Value* const1 = root->appendNew<Const64Value>(proc, Origin(), 42);
    Value* const2 = root->appendNew<Const64Value>(proc, Origin(), 13);

    PatchpointValue* patchpoint = root->appendNew<PatchpointValue>(proc, Int64, Origin());

    RegisterSet clobberAll = RegisterSet::allGPRs();
    clobberAll.exclude(RegisterSet::stackRegisters());
    clobberAll.exclude(RegisterSet::reservedHardwareRegisters());
    clobberAll.clear(GPRInfo::argumentGPR2);
    patchpoint->clobberLate(clobberAll);

    patchpoint->append(ConstrainedValue(const1, ValueRep::SomeRegister));
    patchpoint->append(ConstrainedValue(const2, ValueRep::SomeRegister));

    patchpoint->setGenerator(
        [&] (CCallHelpers& jit, const StackmapGenerationParams& params) {
            AllowMacroScratchRegisterUsage allowScratch(jit);
            CHECK(params.size() == 3);
            CHECK(params[0].isGPR());
            CHECK(params[1].isGPR());
            CHECK(params[2].isGPR());
            jit.move(params[1].gpr(), params[0].gpr());
            jit.add64(params[2].gpr(), params[0].gpr());

            clobberAll.forEach([&] (Reg reg) {
                jit.move(CCallHelpers::TrustedImm32(0x00ff00ff), reg.gpr());
            });
        });

    Value* result = root->appendNew<Value>(proc, Add, Origin(), patchpoint,
        root->appendNew<Value>(proc, Add, Origin(), arg1, arg2));
    root->appendNewControlValue(proc, Return, Origin(), result);

    CHECK(compileAndRun<int>(proc, 1, 2) == 58);
}

void testSimplePatchpointWithoutOuputClobbersFPArgs()
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    Value* arg1 = root->appendNew<ArgumentRegValue>(proc, Origin(), FPRInfo::argumentFPR0);
    Value* arg2 = root->appendNew<ArgumentRegValue>(proc, Origin(), FPRInfo::argumentFPR1);
    Value* const1 = root->appendNew<ConstDoubleValue>(proc, Origin(), 42.5);
    Value* const2 = root->appendNew<ConstDoubleValue>(proc, Origin(), 13.1);

    PatchpointValue* patchpoint = root->appendNew<PatchpointValue>(proc, Void, Origin());
    patchpoint->clobberLate(RegisterSet(FPRInfo::argumentFPR0, FPRInfo::argumentFPR1));
    patchpoint->append(ConstrainedValue(const1, ValueRep::SomeRegister));
    patchpoint->append(ConstrainedValue(const2, ValueRep::SomeRegister));
    patchpoint->setGenerator(
        [&] (CCallHelpers& jit, const StackmapGenerationParams& params) {
            AllowMacroScratchRegisterUsage allowScratch(jit);
            CHECK(params.size() == 2);
            CHECK(params[0].isFPR());
            CHECK(params[1].isFPR());
            jit.moveZeroToDouble(params[0].fpr());
            jit.moveZeroToDouble(params[1].fpr());
            jit.moveZeroToDouble(FPRInfo::argumentFPR0);
            jit.moveZeroToDouble(FPRInfo::argumentFPR1);
        });

    Value* result = root->appendNew<Value>(proc, Add, Origin(), arg1, arg2);
    root->appendNewControlValue(proc, Return, Origin(), result);

    CHECK(compileAndRun<double>(proc, 1.5, 2.5) == 4);
}

void testSimplePatchpointWithOuputClobbersFPArgs()
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    Value* arg1 = root->appendNew<ArgumentRegValue>(proc, Origin(), FPRInfo::argumentFPR0);
    Value* arg2 = root->appendNew<ArgumentRegValue>(proc, Origin(), FPRInfo::argumentFPR1);
    Value* const1 = root->appendNew<ConstDoubleValue>(proc, Origin(), 42.5);
    Value* const2 = root->appendNew<ConstDoubleValue>(proc, Origin(), 13.1);

    PatchpointValue* patchpoint = root->appendNew<PatchpointValue>(proc, Double, Origin());

    RegisterSet clobberAll = RegisterSet::allFPRs();
    clobberAll.exclude(RegisterSet::stackRegisters());
    clobberAll.exclude(RegisterSet::reservedHardwareRegisters());
    clobberAll.clear(FPRInfo::argumentFPR2);
    patchpoint->clobberLate(clobberAll);

    patchpoint->append(ConstrainedValue(const1, ValueRep::SomeRegister));
    patchpoint->append(ConstrainedValue(const2, ValueRep::SomeRegister));

    patchpoint->setGenerator(
        [&] (CCallHelpers& jit, const StackmapGenerationParams& params) {
            AllowMacroScratchRegisterUsage allowScratch(jit);
            CHECK(params.size() == 3);
            CHECK(params[0].isFPR());
            CHECK(params[1].isFPR());
            CHECK(params[2].isFPR());
            jit.addDouble(params[1].fpr(), params[2].fpr(), params[0].fpr());

            clobberAll.forEach([&] (Reg reg) {
                jit.moveZeroToDouble(reg.fpr());
            });
        });

    Value* result = root->appendNew<Value>(proc, Add, Origin(), patchpoint,
        root->appendNew<Value>(proc, Add, Origin(), arg1, arg2));
    root->appendNewControlValue(proc, Return, Origin(), result);

    CHECK(compileAndRun<double>(proc, 1.5, 2.5) == 59.6);
}

void testPatchpointWithEarlyClobber()
{
    auto test = [] (GPRReg registerToClobber, bool arg1InArgGPR, bool arg2InArgGPR) {
        Procedure proc;
        BasicBlock* root = proc.addBlock();
        Value* arg1 = root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0);
        Value* arg2 = root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR1);
        
        PatchpointValue* patchpoint = root->appendNew<PatchpointValue>(proc, Int32, Origin());
        patchpoint->append(ConstrainedValue(arg1, ValueRep::SomeRegister));
        patchpoint->append(ConstrainedValue(arg2, ValueRep::SomeRegister));
        patchpoint->clobberEarly(RegisterSet(registerToClobber));
        patchpoint->setGenerator(
            [&] (CCallHelpers& jit, const StackmapGenerationParams& params) {
                CHECK((params[1].gpr() == GPRInfo::argumentGPR0) == arg1InArgGPR);
                CHECK((params[2].gpr() == GPRInfo::argumentGPR1) == arg2InArgGPR);
                
                add32(jit, params[1].gpr(), params[2].gpr(), params[0].gpr());
            });

        root->appendNewControlValue(proc, Return, Origin(), patchpoint);

        CHECK(compileAndRun<int>(proc, 1, 2) == 3);
    };

    test(GPRInfo::nonArgGPR0, true, true);
    test(GPRInfo::argumentGPR0, false, true);
    test(GPRInfo::argumentGPR1, true, false);
}

void testPatchpointCallArg()
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    Value* arg1 = root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0);
    Value* arg2 = root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR1);
    PatchpointValue* patchpoint = root->appendNew<PatchpointValue>(proc, Int32, Origin());
    patchpoint->append(ConstrainedValue(arg1, ValueRep::stackArgument(0)));
    patchpoint->append(ConstrainedValue(arg2, ValueRep::stackArgument(8)));
    patchpoint->setGenerator(
        [&] (CCallHelpers& jit, const StackmapGenerationParams& params) {
            AllowMacroScratchRegisterUsage allowScratch(jit);
            CHECK(params.size() == 3);
            CHECK(params[0].isGPR());
            CHECK(params[1].isStack());
            CHECK(params[2].isStack());
            jit.load32(
                CCallHelpers::Address(GPRInfo::callFrameRegister, params[1].offsetFromFP()),
                params[0].gpr());
            jit.add32(
                CCallHelpers::Address(GPRInfo::callFrameRegister, params[2].offsetFromFP()),
                params[0].gpr());
        });
    root->appendNewControlValue(proc, Return, Origin(), patchpoint);

    CHECK(compileAndRun<int>(proc, 1, 2) == 3);
}

void testPatchpointFixedRegister()
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    Value* arg1 = root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0);
    Value* arg2 = root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR1);
    PatchpointValue* patchpoint = root->appendNew<PatchpointValue>(proc, Int32, Origin());
    patchpoint->append(ConstrainedValue(arg1, ValueRep(GPRInfo::regT0)));
    patchpoint->append(ConstrainedValue(arg2, ValueRep(GPRInfo::regT1)));
    patchpoint->setGenerator(
        [&] (CCallHelpers& jit, const StackmapGenerationParams& params) {
            AllowMacroScratchRegisterUsage allowScratch(jit);
            CHECK(params.size() == 3);
            CHECK(params[0].isGPR());
            CHECK(params[1] == ValueRep(GPRInfo::regT0));
            CHECK(params[2] == ValueRep(GPRInfo::regT1));
            add32(jit, GPRInfo::regT0, GPRInfo::regT1, params[0].gpr());
        });
    root->appendNewControlValue(proc, Return, Origin(), patchpoint);

    CHECK(compileAndRun<int>(proc, 1, 2) == 3);
}

void testPatchpointAny(ValueRep rep)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    Value* arg1 = root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0);
    Value* arg2 = root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR1);
    PatchpointValue* patchpoint = root->appendNew<PatchpointValue>(proc, Int32, Origin());
    patchpoint->append(ConstrainedValue(arg1, rep));
    patchpoint->append(ConstrainedValue(arg2, rep));
    patchpoint->setGenerator(
        [&] (CCallHelpers& jit, const StackmapGenerationParams& params) {
            AllowMacroScratchRegisterUsage allowScratch(jit);
            // We shouldn't have spilled the inputs, so we assert that they're in registers.
            CHECK(params.size() == 3);
            CHECK(params[0].isGPR());
            CHECK(params[1].isGPR());
            CHECK(params[2].isGPR());
            add32(jit, params[1].gpr(), params[2].gpr(), params[0].gpr());
        });
    root->appendNewControlValue(proc, Return, Origin(), patchpoint);

    CHECK(compileAndRun<int>(proc, 1, 2) == 3);
}

void testPatchpointGPScratch()
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    Value* arg1 = root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0);
    Value* arg2 = root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR1);
    PatchpointValue* patchpoint = root->appendNew<PatchpointValue>(proc, Int32, Origin());
    patchpoint->append(arg1, ValueRep::SomeRegister);
    patchpoint->append(arg2, ValueRep::SomeRegister);
    patchpoint->numGPScratchRegisters = 2;
    patchpoint->setGenerator(
        [&] (CCallHelpers& jit, const StackmapGenerationParams& params) {
            AllowMacroScratchRegisterUsage allowScratch(jit);
            // We shouldn't have spilled the inputs, so we assert that they're in registers.
            CHECK(params.size() == 3);
            CHECK(params[0].isGPR());
            CHECK(params[1].isGPR());
            CHECK(params[2].isGPR());
            CHECK(params.gpScratch(0) != InvalidGPRReg);
            CHECK(params.gpScratch(0) != params[0].gpr());
            CHECK(params.gpScratch(0) != params[1].gpr());
            CHECK(params.gpScratch(0) != params[2].gpr());
            CHECK(params.gpScratch(1) != InvalidGPRReg);
            CHECK(params.gpScratch(1) != params.gpScratch(0));
            CHECK(params.gpScratch(1) != params[0].gpr());
            CHECK(params.gpScratch(1) != params[1].gpr());
            CHECK(params.gpScratch(1) != params[2].gpr());
            CHECK(!params.unavailableRegisters().get(params.gpScratch(0)));
            CHECK(!params.unavailableRegisters().get(params.gpScratch(1)));
            add32(jit, params[1].gpr(), params[2].gpr(), params[0].gpr());
        });
    root->appendNewControlValue(proc, Return, Origin(), patchpoint);

    CHECK(compileAndRun<int>(proc, 1, 2) == 3);
}

void testPatchpointFPScratch()
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    Value* arg1 = root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0);
    Value* arg2 = root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR1);
    PatchpointValue* patchpoint = root->appendNew<PatchpointValue>(proc, Int32, Origin());
    patchpoint->append(arg1, ValueRep::SomeRegister);
    patchpoint->append(arg2, ValueRep::SomeRegister);
    patchpoint->numFPScratchRegisters = 2;
    patchpoint->setGenerator(
        [&] (CCallHelpers& jit, const StackmapGenerationParams& params) {
            AllowMacroScratchRegisterUsage allowScratch(jit);
            // We shouldn't have spilled the inputs, so we assert that they're in registers.
            CHECK(params.size() == 3);
            CHECK(params[0].isGPR());
            CHECK(params[1].isGPR());
            CHECK(params[2].isGPR());
            CHECK(params.fpScratch(0) != InvalidFPRReg);
            CHECK(params.fpScratch(1) != InvalidFPRReg);
            CHECK(params.fpScratch(1) != params.fpScratch(0));
            CHECK(!params.unavailableRegisters().get(params.fpScratch(0)));
            CHECK(!params.unavailableRegisters().get(params.fpScratch(1)));
            add32(jit, params[1].gpr(), params[2].gpr(), params[0].gpr());
        });
    root->appendNewControlValue(proc, Return, Origin(), patchpoint);

    CHECK(compileAndRun<int>(proc, 1, 2) == 3);
}

void testPatchpointLotsOfLateAnys()
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    Vector<int> things;
    for (unsigned i = 200; i--;)
        things.append(i);

    Vector<Value*> values;
    for (int& thing : things) {
        Value* value = root->appendNew<MemoryValue>(
            proc, Load, Int32, Origin(),
            root->appendNew<ConstPtrValue>(proc, Origin(), &thing));
        values.append(value);
    }

    PatchpointValue* patchpoint = root->appendNew<PatchpointValue>(proc, Int32, Origin());
    patchpoint->clobber(RegisterSet::macroScratchRegisters());
    for (Value* value : values)
        patchpoint->append(ConstrainedValue(value, ValueRep::LateColdAny));
    patchpoint->setGenerator(
        [&] (CCallHelpers& jit, const StackmapGenerationParams& params) {
            AllowMacroScratchRegisterUsage allowScratch(jit);
            // We shouldn't have spilled the inputs, so we assert that they're in registers.
            CHECK(params.size() == things.size() + 1);
            CHECK(params[0].isGPR());
            jit.move(CCallHelpers::TrustedImm32(0), params[0].gpr());
            for (unsigned i = 1; i < params.size(); ++i) {
                if (params[i].isGPR()) {
                    CHECK(params[i] != params[0]);
                    jit.add32(params[i].gpr(), params[0].gpr());
                } else {
                    CHECK(params[i].isStack());
                    jit.add32(CCallHelpers::Address(GPRInfo::callFrameRegister, params[i].offsetFromFP()), params[0].gpr());
                }
            }
        });
    root->appendNewControlValue(proc, Return, Origin(), patchpoint);

    CHECK(compileAndRun<int>(proc) == (things.size() * (things.size() - 1)) / 2);
}

void testPatchpointAnyImm(ValueRep rep)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    Value* arg1 = root->appendNew<Value>(
        proc, Trunc, Origin(),
        root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0));
    Value* arg2 = root->appendNew<Const32Value>(proc, Origin(), 42);
    PatchpointValue* patchpoint = root->appendNew<PatchpointValue>(proc, Int32, Origin());
    patchpoint->append(ConstrainedValue(arg1, rep));
    patchpoint->append(ConstrainedValue(arg2, rep));
    patchpoint->setGenerator(
        [&] (CCallHelpers& jit, const StackmapGenerationParams& params) {
            AllowMacroScratchRegisterUsage allowScratch(jit);
            CHECK(params.size() == 3);
            CHECK(params[0].isGPR());
            CHECK(params[1].isGPR());
            CHECK(params[2].isConstant());
            CHECK(params[2].value() == 42);
            jit.add32(
                CCallHelpers::TrustedImm32(static_cast<int32_t>(params[2].value())),
                params[1].gpr(), params[0].gpr());
        });
    root->appendNewControlValue(proc, Return, Origin(), patchpoint);

    CHECK(compileAndRun<int>(proc, 1) == 43);
}

void testPatchpointManyImms()
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    Value* arg1 = root->appendNew<Const32Value>(proc, Origin(), 42);
    Value* arg2 = root->appendNew<Const64Value>(proc, Origin(), 43);
    Value* arg3 = root->appendNew<Const64Value>(proc, Origin(), 43000000000000ll);
    Value* arg4 = root->appendNew<ConstDoubleValue>(proc, Origin(), 42.5);
    PatchpointValue* patchpoint = root->appendNew<PatchpointValue>(proc, Void, Origin());
    patchpoint->append(ConstrainedValue(arg1, ValueRep::WarmAny));
    patchpoint->append(ConstrainedValue(arg2, ValueRep::WarmAny));
    patchpoint->append(ConstrainedValue(arg3, ValueRep::WarmAny));
    patchpoint->append(ConstrainedValue(arg4, ValueRep::WarmAny));
    patchpoint->setGenerator(
        [&] (CCallHelpers&, const StackmapGenerationParams& params) {
            CHECK(params.size() == 4);
            CHECK(params[0] == ValueRep::constant(42));
            CHECK(params[1] == ValueRep::constant(43));
            CHECK(params[2] == ValueRep::constant(43000000000000ll));
            CHECK(params[3] == ValueRep::constant(bitwise_cast<int64_t>(42.5)));
        });
    root->appendNewControlValue(
        proc, Return, Origin(),
        root->appendNew<Const32Value>(proc, Origin(), 0));

    CHECK(!compileAndRun<int>(proc));
}

void testPatchpointWithRegisterResult()
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    Value* arg1 = root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0);
    Value* arg2 = root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR1);
    PatchpointValue* patchpoint = root->appendNew<PatchpointValue>(proc, Int32, Origin());
    patchpoint->append(ConstrainedValue(arg1, ValueRep::SomeRegister));
    patchpoint->append(ConstrainedValue(arg2, ValueRep::SomeRegister));
    patchpoint->resultConstraint = ValueRep::reg(GPRInfo::nonArgGPR0);
    patchpoint->setGenerator(
        [&] (CCallHelpers& jit, const StackmapGenerationParams& params) {
            AllowMacroScratchRegisterUsage allowScratch(jit);
            CHECK(params.size() == 3);
            CHECK(params[0] == ValueRep::reg(GPRInfo::nonArgGPR0));
            CHECK(params[1].isGPR());
            CHECK(params[2].isGPR());
            add32(jit, params[1].gpr(), params[2].gpr(), GPRInfo::nonArgGPR0);
        });
    root->appendNewControlValue(proc, Return, Origin(), patchpoint);

    CHECK(compileAndRun<int>(proc, 1, 2) == 3);
}

void testPatchpointWithStackArgumentResult()
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    Value* arg1 = root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0);
    Value* arg2 = root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR1);
    PatchpointValue* patchpoint = root->appendNew<PatchpointValue>(proc, Int32, Origin());
    patchpoint->append(ConstrainedValue(arg1, ValueRep::SomeRegister));
    patchpoint->append(ConstrainedValue(arg2, ValueRep::SomeRegister));
    patchpoint->resultConstraint = ValueRep::stackArgument(0);
    patchpoint->clobber(RegisterSet::macroScratchRegisters());
    patchpoint->setGenerator(
        [&] (CCallHelpers& jit, const StackmapGenerationParams& params) {
            AllowMacroScratchRegisterUsage allowScratch(jit);
            CHECK(params.size() == 3);
            CHECK(params[0] == ValueRep::stack(-static_cast<intptr_t>(proc.frameSize())));
            CHECK(params[1].isGPR());
            CHECK(params[2].isGPR());
            jit.add32(params[1].gpr(), params[2].gpr(), jit.scratchRegister());
            jit.store32(jit.scratchRegister(), CCallHelpers::Address(CCallHelpers::stackPointerRegister, 0));
        });
    root->appendNewControlValue(proc, Return, Origin(), patchpoint);

    CHECK(compileAndRun<int>(proc, 1, 2) == 3);
}

void testPatchpointWithAnyResult()
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    Value* arg1 = root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0);
    Value* arg2 = root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR1);
    PatchpointValue* patchpoint = root->appendNew<PatchpointValue>(proc, Double, Origin());
    patchpoint->append(ConstrainedValue(arg1, ValueRep::SomeRegister));
    patchpoint->append(ConstrainedValue(arg2, ValueRep::SomeRegister));
    patchpoint->resultConstraint = ValueRep::WarmAny;
    patchpoint->clobberLate(RegisterSet::allFPRs());
    patchpoint->clobber(RegisterSet::macroScratchRegisters());
    patchpoint->clobber(RegisterSet(GPRInfo::regT0));
    patchpoint->setGenerator(
        [&] (CCallHelpers& jit, const StackmapGenerationParams& params) {
            AllowMacroScratchRegisterUsage allowScratch(jit);
            CHECK(params.size() == 3);
            CHECK(params[0].isStack());
            CHECK(params[1].isGPR());
            CHECK(params[2].isGPR());
            add32(jit, params[1].gpr(), params[2].gpr(), GPRInfo::regT0);
            jit.convertInt32ToDouble(GPRInfo::regT0, FPRInfo::fpRegT0);
            jit.storeDouble(FPRInfo::fpRegT0, CCallHelpers::Address(GPRInfo::callFrameRegister, params[0].offsetFromFP()));
        });
    root->appendNewControlValue(proc, Return, Origin(), patchpoint);

    CHECK(compileAndRun<double>(proc, 1, 2) == 3);
}

void testSimpleCheck()
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    Value* arg = root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0);
    CheckValue* check = root->appendNew<CheckValue>(proc, Check, Origin(), arg);
    check->setGenerator(
        [&] (CCallHelpers& jit, const StackmapGenerationParams& params) {
            AllowMacroScratchRegisterUsage allowScratch(jit);
            CHECK(!params.size());

            // This should always work because a function this simple should never have callee
            // saves.
            jit.move(CCallHelpers::TrustedImm32(42), GPRInfo::returnValueGPR);
            jit.emitFunctionEpilogue();
            jit.ret();
        });
    root->appendNewControlValue(
        proc, Return, Origin(), root->appendNew<Const32Value>(proc, Origin(), 0));

    auto code = compile(proc);
    
    CHECK(invoke<int>(*code, 0) == 0);
    CHECK(invoke<int>(*code, 1) == 42);
}

void testCheckFalse()
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    CheckValue* check = root->appendNew<CheckValue>(
        proc, Check, Origin(), root->appendNew<Const32Value>(proc, Origin(), 0));
    check->setGenerator(
        [&] (CCallHelpers&, const StackmapGenerationParams&) {
            CHECK(!"This should not have executed");
        });
    root->appendNewControlValue(
        proc, Return, Origin(), root->appendNew<Const32Value>(proc, Origin(), 0));

    auto code = compile(proc);
    
    CHECK(invoke<int>(*code) == 0);
}

void testCheckTrue()
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    CheckValue* check = root->appendNew<CheckValue>(
        proc, Check, Origin(), root->appendNew<Const32Value>(proc, Origin(), 1));
    check->setGenerator(
        [&] (CCallHelpers& jit, const StackmapGenerationParams& params) {
            AllowMacroScratchRegisterUsage allowScratch(jit);
            CHECK(params.value()->opcode() == Patchpoint);
            CHECK(!params.size());

            // This should always work because a function this simple should never have callee
            // saves.
            jit.move(CCallHelpers::TrustedImm32(42), GPRInfo::returnValueGPR);
            jit.emitFunctionEpilogue();
            jit.ret();
        });
    root->appendNewControlValue(
        proc, Return, Origin(), root->appendNew<Const32Value>(proc, Origin(), 0));

    auto code = compile(proc);
    
    CHECK(invoke<int>(*code) == 42);
}

void testCheckLessThan()
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    Value* arg = root->appendNew<Value>(
        proc, Trunc, Origin(),
        root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0));
    CheckValue* check = root->appendNew<CheckValue>(
        proc, Check, Origin(),
        root->appendNew<Value>(
            proc, LessThan, Origin(), arg,
            root->appendNew<Const32Value>(proc, Origin(), 42)));
    check->setGenerator(
        [&] (CCallHelpers& jit, const StackmapGenerationParams& params) {
            AllowMacroScratchRegisterUsage allowScratch(jit);
            CHECK(!params.size());

            // This should always work because a function this simple should never have callee
            // saves.
            jit.move(CCallHelpers::TrustedImm32(42), GPRInfo::returnValueGPR);
            jit.emitFunctionEpilogue();
            jit.ret();
        });
    root->appendNewControlValue(
        proc, Return, Origin(), root->appendNew<Const32Value>(proc, Origin(), 0));

    auto code = compile(proc);
    
    CHECK(invoke<int>(*code, 42) == 0);
    CHECK(invoke<int>(*code, 1000) == 0);
    CHECK(invoke<int>(*code, 41) == 42);
    CHECK(invoke<int>(*code, 0) == 42);
    CHECK(invoke<int>(*code, -1) == 42);
}

void testCheckMegaCombo()
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    Value* base = root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0);
    Value* index = root->appendNew<Value>(
        proc, ZExt32, Origin(),
        root->appendNew<Value>(
            proc, Trunc, Origin(),
            root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR1)));

    Value* ptr = root->appendNew<Value>(
        proc, Add, Origin(), base,
        root->appendNew<Value>(
            proc, Shl, Origin(), index,
            root->appendNew<Const32Value>(proc, Origin(), 1)));
    
    CheckValue* check = root->appendNew<CheckValue>(
        proc, Check, Origin(),
        root->appendNew<Value>(
            proc, LessThan, Origin(),
            root->appendNew<MemoryValue>(proc, Load8S, Origin(), ptr),
            root->appendNew<Const32Value>(proc, Origin(), 42)));
    check->setGenerator(
        [&] (CCallHelpers& jit, const StackmapGenerationParams& params) {
            AllowMacroScratchRegisterUsage allowScratch(jit);
            CHECK(!params.size());

            // This should always work because a function this simple should never have callee
            // saves.
            jit.move(CCallHelpers::TrustedImm32(42), GPRInfo::returnValueGPR);
            jit.emitFunctionEpilogue();
            jit.ret();
        });
    root->appendNewControlValue(
        proc, Return, Origin(), root->appendNew<Const32Value>(proc, Origin(), 0));

    auto code = compile(proc);

    int8_t value;
    value = 42;
    CHECK(invoke<int>(*code, &value - 2, 1) == 0);
    value = 127;
    CHECK(invoke<int>(*code, &value - 2, 1) == 0);
    value = 41;
    CHECK(invoke<int>(*code, &value - 2, 1) == 42);
    value = 0;
    CHECK(invoke<int>(*code, &value - 2, 1) == 42);
    value = -1;
    CHECK(invoke<int>(*code, &value - 2, 1) == 42);
}

void testCheckTrickyMegaCombo()
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    Value* base = root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0);
    Value* index = root->appendNew<Value>(
        proc, ZExt32, Origin(),
        root->appendNew<Value>(
            proc, Add, Origin(),
            root->appendNew<Value>(
                proc, Trunc, Origin(),
                root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR1)),
            root->appendNew<Const32Value>(proc, Origin(), 1)));

    Value* ptr = root->appendNew<Value>(
        proc, Add, Origin(), base,
        root->appendNew<Value>(
            proc, Shl, Origin(), index,
            root->appendNew<Const32Value>(proc, Origin(), 1)));
    
    CheckValue* check = root->appendNew<CheckValue>(
        proc, Check, Origin(),
        root->appendNew<Value>(
            proc, LessThan, Origin(),
            root->appendNew<MemoryValue>(proc, Load8S, Origin(), ptr),
            root->appendNew<Const32Value>(proc, Origin(), 42)));
    check->setGenerator(
        [&] (CCallHelpers& jit, const StackmapGenerationParams& params) {
            AllowMacroScratchRegisterUsage allowScratch(jit);
            CHECK(!params.size());

            // This should always work because a function this simple should never have callee
            // saves.
            jit.move(CCallHelpers::TrustedImm32(42), GPRInfo::returnValueGPR);
            jit.emitFunctionEpilogue();
            jit.ret();
        });
    root->appendNewControlValue(
        proc, Return, Origin(), root->appendNew<Const32Value>(proc, Origin(), 0));

    auto code = compile(proc);

    int8_t value;
    value = 42;
    CHECK(invoke<int>(*code, &value - 2, 0) == 0);
    value = 127;
    CHECK(invoke<int>(*code, &value - 2, 0) == 0);
    value = 41;
    CHECK(invoke<int>(*code, &value - 2, 0) == 42);
    value = 0;
    CHECK(invoke<int>(*code, &value - 2, 0) == 42);
    value = -1;
    CHECK(invoke<int>(*code, &value - 2, 0) == 42);
}

void testCheckTwoMegaCombos()
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    Value* base = root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0);
    Value* index = root->appendNew<Value>(
        proc, ZExt32, Origin(),
        root->appendNew<Value>(
            proc, Trunc, Origin(),
            root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR1)));

    Value* ptr = root->appendNew<Value>(
        proc, Add, Origin(), base,
        root->appendNew<Value>(
            proc, Shl, Origin(), index,
            root->appendNew<Const32Value>(proc, Origin(), 1)));

    Value* predicate = root->appendNew<Value>(
        proc, LessThan, Origin(),
        root->appendNew<MemoryValue>(proc, Load8S, Origin(), ptr),
        root->appendNew<Const32Value>(proc, Origin(), 42));
    
    CheckValue* check = root->appendNew<CheckValue>(proc, Check, Origin(), predicate);
    check->setGenerator(
        [&] (CCallHelpers& jit, const StackmapGenerationParams& params) {
            AllowMacroScratchRegisterUsage allowScratch(jit);
            CHECK(!params.size());

            // This should always work because a function this simple should never have callee
            // saves.
            jit.move(CCallHelpers::TrustedImm32(42), GPRInfo::returnValueGPR);
            jit.emitFunctionEpilogue();
            jit.ret();
        });
    CheckValue* check2 = root->appendNew<CheckValue>(proc, Check, Origin(), predicate);
    check2->setGenerator(
        [&] (CCallHelpers& jit, const StackmapGenerationParams& params) {
            AllowMacroScratchRegisterUsage allowScratch(jit);
            CHECK(!params.size());

            // This should always work because a function this simple should never have callee
            // saves.
            jit.move(CCallHelpers::TrustedImm32(43), GPRInfo::returnValueGPR);
            jit.emitFunctionEpilogue();
            jit.ret();
        });
    root->appendNewControlValue(
        proc, Return, Origin(), root->appendNew<Const32Value>(proc, Origin(), 0));

    auto code = compile(proc);

    int8_t value;
    value = 42;
    CHECK(invoke<int>(*code, &value - 2, 1) == 0);
    value = 127;
    CHECK(invoke<int>(*code, &value - 2, 1) == 0);
    value = 41;
    CHECK(invoke<int>(*code, &value - 2, 1) == 42);
    value = 0;
    CHECK(invoke<int>(*code, &value - 2, 1) == 42);
    value = -1;
    CHECK(invoke<int>(*code, &value - 2, 1) == 42);
}

void testCheckTwoNonRedundantMegaCombos()
{
    Procedure proc;
    
    BasicBlock* root = proc.addBlock();
    BasicBlock* thenCase = proc.addBlock();
    BasicBlock* elseCase = proc.addBlock();
    
    Value* base = root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0);
    Value* index = root->appendNew<Value>(
        proc, ZExt32, Origin(),
        root->appendNew<Value>(
            proc, Trunc, Origin(),
            root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR1)));
    Value* branchPredicate = root->appendNew<Value>(
        proc, BitAnd, Origin(),
        root->appendNew<Value>(
            proc, Trunc, Origin(),
            root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR2)),
        root->appendNew<Const32Value>(proc, Origin(), 0xff));

    Value* ptr = root->appendNew<Value>(
        proc, Add, Origin(), base,
        root->appendNew<Value>(
            proc, Shl, Origin(), index,
            root->appendNew<Const32Value>(proc, Origin(), 1)));

    Value* checkPredicate = root->appendNew<Value>(
        proc, LessThan, Origin(),
        root->appendNew<MemoryValue>(proc, Load8S, Origin(), ptr),
        root->appendNew<Const32Value>(proc, Origin(), 42));

    root->appendNewControlValue(
        proc, Branch, Origin(), branchPredicate,
        FrequentedBlock(thenCase), FrequentedBlock(elseCase));
    
    CheckValue* check = thenCase->appendNew<CheckValue>(proc, Check, Origin(), checkPredicate);
    check->setGenerator(
        [&] (CCallHelpers& jit, const StackmapGenerationParams& params) {
            AllowMacroScratchRegisterUsage allowScratch(jit);
            CHECK(!params.size());

            // This should always work because a function this simple should never have callee
            // saves.
            jit.move(CCallHelpers::TrustedImm32(42), GPRInfo::returnValueGPR);
            jit.emitFunctionEpilogue();
            jit.ret();
        });
    thenCase->appendNewControlValue(
        proc, Return, Origin(), thenCase->appendNew<Const32Value>(proc, Origin(), 43));

    CheckValue* check2 = elseCase->appendNew<CheckValue>(proc, Check, Origin(), checkPredicate);
    check2->setGenerator(
        [&] (CCallHelpers& jit, const StackmapGenerationParams& params) {
            AllowMacroScratchRegisterUsage allowScratch(jit);
            CHECK(!params.size());

            // This should always work because a function this simple should never have callee
            // saves.
            jit.move(CCallHelpers::TrustedImm32(44), GPRInfo::returnValueGPR);
            jit.emitFunctionEpilogue();
            jit.ret();
        });
    elseCase->appendNewControlValue(
        proc, Return, Origin(), elseCase->appendNew<Const32Value>(proc, Origin(), 45));

    auto code = compile(proc);

    int8_t value;

    value = 42;
    CHECK(invoke<int>(*code, &value - 2, 1, true) == 43);
    value = 127;
    CHECK(invoke<int>(*code, &value - 2, 1, true) == 43);
    value = 41;
    CHECK(invoke<int>(*code, &value - 2, 1, true) == 42);
    value = 0;
    CHECK(invoke<int>(*code, &value - 2, 1, true) == 42);
    value = -1;
    CHECK(invoke<int>(*code, &value - 2, 1, true) == 42);

    value = 42;
    CHECK(invoke<int>(*code, &value - 2, 1, false) == 45);
    value = 127;
    CHECK(invoke<int>(*code, &value - 2, 1, false) == 45);
    value = 41;
    CHECK(invoke<int>(*code, &value - 2, 1, false) == 44);
    value = 0;
    CHECK(invoke<int>(*code, &value - 2, 1, false) == 44);
    value = -1;
    CHECK(invoke<int>(*code, &value - 2, 1, false) == 44);
}

void testCheckAddImm()
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    Value* arg1 = root->appendNew<Value>(
        proc, Trunc, Origin(),
        root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0));
    Value* arg2 = root->appendNew<Const32Value>(proc, Origin(), 42);
    CheckValue* checkAdd = root->appendNew<CheckValue>(proc, CheckAdd, Origin(), arg1, arg2);
    checkAdd->append(arg1);
    checkAdd->append(arg2);
    checkAdd->setGenerator(
        [&] (CCallHelpers& jit, const StackmapGenerationParams& params) {
            AllowMacroScratchRegisterUsage allowScratch(jit);
            CHECK(params.size() == 2);
            CHECK(params[0].isGPR());
            CHECK(params[1].isConstant());
            CHECK(params[1].value() == 42);
            jit.convertInt32ToDouble(params[0].gpr(), FPRInfo::fpRegT0);
            jit.convertInt32ToDouble(CCallHelpers::TrustedImm32(42), FPRInfo::fpRegT1);
            jit.addDouble(FPRInfo::fpRegT1, FPRInfo::fpRegT0);
            jit.emitFunctionEpilogue();
            jit.ret();
        });
    root->appendNewControlValue(
        proc, Return, Origin(),
        root->appendNew<Value>(proc, IToD, Origin(), checkAdd));

    auto code = compile(proc);

    CHECK(invoke<double>(*code, 0) == 42.0);
    CHECK(invoke<double>(*code, 1) == 43.0);
    CHECK(invoke<double>(*code, 42) == 84.0);
    CHECK(invoke<double>(*code, 2147483647) == 2147483689.0);
}

void testCheckAddImmCommute()
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    Value* arg1 = root->appendNew<Value>(
        proc, Trunc, Origin(),
        root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0));
    Value* arg2 = root->appendNew<Const32Value>(proc, Origin(), 42);
    CheckValue* checkAdd = root->appendNew<CheckValue>(proc, CheckAdd, Origin(), arg2, arg1);
    checkAdd->append(arg1);
    checkAdd->append(arg2);
    checkAdd->setGenerator(
        [&] (CCallHelpers& jit, const StackmapGenerationParams& params) {
            AllowMacroScratchRegisterUsage allowScratch(jit);
            CHECK(params.size() == 2);
            CHECK(params[0].isGPR());
            CHECK(params[1].isConstant());
            CHECK(params[1].value() == 42);
            jit.convertInt32ToDouble(params[0].gpr(), FPRInfo::fpRegT0);
            jit.convertInt32ToDouble(CCallHelpers::TrustedImm32(42), FPRInfo::fpRegT1);
            jit.addDouble(FPRInfo::fpRegT1, FPRInfo::fpRegT0);
            jit.emitFunctionEpilogue();
            jit.ret();
        });
    root->appendNewControlValue(
        proc, Return, Origin(),
        root->appendNew<Value>(proc, IToD, Origin(), checkAdd));

    auto code = compile(proc);

    CHECK(invoke<double>(*code, 0) == 42.0);
    CHECK(invoke<double>(*code, 1) == 43.0);
    CHECK(invoke<double>(*code, 42) == 84.0);
    CHECK(invoke<double>(*code, 2147483647) == 2147483689.0);
}

void testCheckAddImmSomeRegister()
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    Value* arg1 = root->appendNew<Value>(
        proc, Trunc, Origin(),
        root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0));
    Value* arg2 = root->appendNew<Const32Value>(proc, Origin(), 42);
    CheckValue* checkAdd = root->appendNew<CheckValue>(proc, CheckAdd, Origin(), arg1, arg2);
    checkAdd->appendSomeRegister(arg1);
    checkAdd->appendSomeRegister(arg2);
    checkAdd->setGenerator(
        [&] (CCallHelpers& jit, const StackmapGenerationParams& params) {
            AllowMacroScratchRegisterUsage allowScratch(jit);
            CHECK(params.size() == 2);
            CHECK(params[0].isGPR());
            CHECK(params[1].isGPR());
            jit.convertInt32ToDouble(params[0].gpr(), FPRInfo::fpRegT0);
            jit.convertInt32ToDouble(params[1].gpr(), FPRInfo::fpRegT1);
            jit.addDouble(FPRInfo::fpRegT1, FPRInfo::fpRegT0);
            jit.emitFunctionEpilogue();
            jit.ret();
        });
    root->appendNewControlValue(
        proc, Return, Origin(),
        root->appendNew<Value>(proc, IToD, Origin(), checkAdd));

    auto code = compile(proc);

    CHECK(invoke<double>(*code, 0) == 42.0);
    CHECK(invoke<double>(*code, 1) == 43.0);
    CHECK(invoke<double>(*code, 42) == 84.0);
    CHECK(invoke<double>(*code, 2147483647) == 2147483689.0);
}

void testCheckAdd()
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    Value* arg1 = root->appendNew<Value>(
        proc, Trunc, Origin(),
        root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0));
    Value* arg2 = root->appendNew<Value>(
        proc, Trunc, Origin(),
        root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR1));
    CheckValue* checkAdd = root->appendNew<CheckValue>(proc, CheckAdd, Origin(), arg1, arg2);
    checkAdd->appendSomeRegister(arg1);
    checkAdd->appendSomeRegister(arg2);
    checkAdd->setGenerator(
        [&] (CCallHelpers& jit, const StackmapGenerationParams& params) {
            AllowMacroScratchRegisterUsage allowScratch(jit);
            CHECK(params.size() == 2);
            CHECK(params[0].isGPR());
            CHECK(params[1].isGPR());
            jit.convertInt32ToDouble(params[0].gpr(), FPRInfo::fpRegT0);
            jit.convertInt32ToDouble(params[1].gpr(), FPRInfo::fpRegT1);
            jit.addDouble(FPRInfo::fpRegT1, FPRInfo::fpRegT0);
            jit.emitFunctionEpilogue();
            jit.ret();
        });
    root->appendNewControlValue(
        proc, Return, Origin(),
        root->appendNew<Value>(proc, IToD, Origin(), checkAdd));

    auto code = compile(proc);

    CHECK(invoke<double>(*code, 0, 42) == 42.0);
    CHECK(invoke<double>(*code, 1, 42) == 43.0);
    CHECK(invoke<double>(*code, 42, 42) == 84.0);
    CHECK(invoke<double>(*code, 2147483647, 42) == 2147483689.0);
}

void testCheckAdd64()
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    Value* arg1 = root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0);
    Value* arg2 = root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR1);
    CheckValue* checkAdd = root->appendNew<CheckValue>(proc, CheckAdd, Origin(), arg1, arg2);
    checkAdd->appendSomeRegister(arg1);
    checkAdd->appendSomeRegister(arg2);
    checkAdd->setGenerator(
        [&] (CCallHelpers& jit, const StackmapGenerationParams& params) {
            AllowMacroScratchRegisterUsage allowScratch(jit);
            CHECK(params.size() == 2);
            CHECK(params[0].isGPR());
            CHECK(params[1].isGPR());
            jit.convertInt64ToDouble(params[0].gpr(), FPRInfo::fpRegT0);
            jit.convertInt64ToDouble(params[1].gpr(), FPRInfo::fpRegT1);
            jit.addDouble(FPRInfo::fpRegT1, FPRInfo::fpRegT0);
            jit.emitFunctionEpilogue();
            jit.ret();
        });
    root->appendNewControlValue(
        proc, Return, Origin(),
        root->appendNew<Value>(proc, IToD, Origin(), checkAdd));

    auto code = compile(proc);

    CHECK(invoke<double>(*code, 0ll, 42ll) == 42.0);
    CHECK(invoke<double>(*code, 1ll, 42ll) == 43.0);
    CHECK(invoke<double>(*code, 42ll, 42ll) == 84.0);
    CHECK(invoke<double>(*code, 9223372036854775807ll, 42ll) == static_cast<double>(9223372036854775807ll) + 42.0);
}

void testCheckAddFold(int a, int b)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    Value* arg1 = root->appendNew<Const32Value>(proc, Origin(), a);
    Value* arg2 = root->appendNew<Const32Value>(proc, Origin(), b);
    CheckValue* checkAdd = root->appendNew<CheckValue>(proc, CheckAdd, Origin(), arg1, arg2);
    checkAdd->setGenerator(
        [&] (CCallHelpers&, const StackmapGenerationParams&) {
            CHECK(!"Should have been folded");
        });
    root->appendNewControlValue(proc, Return, Origin(), checkAdd);

    auto code = compile(proc);

    CHECK(invoke<int>(*code) == a + b);
}

void testCheckAddFoldFail(int a, int b)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    Value* arg1 = root->appendNew<Const32Value>(proc, Origin(), a);
    Value* arg2 = root->appendNew<Const32Value>(proc, Origin(), b);
    CheckValue* checkAdd = root->appendNew<CheckValue>(proc, CheckAdd, Origin(), arg1, arg2);
    checkAdd->setGenerator(
        [&] (CCallHelpers& jit, const StackmapGenerationParams&) {
            AllowMacroScratchRegisterUsage allowScratch(jit);
            jit.move(CCallHelpers::TrustedImm32(42), GPRInfo::returnValueGPR);
            jit.emitFunctionEpilogue();
            jit.ret();
        });
    root->appendNewControlValue(proc, Return, Origin(), checkAdd);

    auto code = compile(proc);

    CHECK(invoke<int>(*code) == 42);
}

void testCheckAddArgumentAliasing64()
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    Value* arg1 = root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0);
    Value* arg2 = root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR1);
    Value* arg3 = root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR2);

    // Pretend to use all the args.
    PatchpointValue* useArgs = root->appendNew<PatchpointValue>(proc, Void, Origin());
    useArgs->append(ConstrainedValue(arg1, ValueRep::SomeRegister));
    useArgs->append(ConstrainedValue(arg2, ValueRep::SomeRegister));
    useArgs->append(ConstrainedValue(arg3, ValueRep::SomeRegister));
    useArgs->setGenerator([&] (CCallHelpers&, const StackmapGenerationParams&) { });

    // Last use of first arg (here, arg1).
    CheckValue* checkAdd1 = root->appendNew<CheckValue>(proc, CheckAdd, Origin(), arg1, arg2);
    checkAdd1->setGenerator([&] (CCallHelpers& jit, const StackmapGenerationParams&) { jit.oops(); });

    // Last use of second arg (here, arg2).
    CheckValue* checkAdd2 = root->appendNew<CheckValue>(proc, CheckAdd, Origin(), arg3, arg2);
    checkAdd2->setGenerator([&] (CCallHelpers& jit, const StackmapGenerationParams&) { jit.oops(); });

    // Keep arg3 live.
    PatchpointValue* keepArg2Live = root->appendNew<PatchpointValue>(proc, Void, Origin());
    keepArg2Live->append(ConstrainedValue(arg2, ValueRep::SomeRegister));
    keepArg2Live->setGenerator([&] (CCallHelpers&, const StackmapGenerationParams&) { });

    // Only use of checkAdd1 and checkAdd2.
    CheckValue* checkAdd3 = root->appendNew<CheckValue>(proc, CheckAdd, Origin(), checkAdd1, checkAdd2);
    checkAdd3->setGenerator([&] (CCallHelpers& jit, const StackmapGenerationParams&) { jit.oops(); });

    root->appendNewControlValue(proc, Return, Origin(), checkAdd3);

    CHECK(compileAndRun<int64_t>(proc, 1, 2, 3) == 8);
}

void testCheckAddArgumentAliasing32()
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    Value* arg1 = root->appendNew<Value>(
        proc, Trunc, Origin(),
        root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0));
    Value* arg2 = root->appendNew<Value>(
        proc, Trunc, Origin(),
        root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR1));
    Value* arg3 = root->appendNew<Value>(
        proc, Trunc, Origin(),
        root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR2));

    // Pretend to use all the args.
    PatchpointValue* useArgs = root->appendNew<PatchpointValue>(proc, Void, Origin());
    useArgs->append(ConstrainedValue(arg1, ValueRep::SomeRegister));
    useArgs->append(ConstrainedValue(arg2, ValueRep::SomeRegister));
    useArgs->append(ConstrainedValue(arg3, ValueRep::SomeRegister));
    useArgs->setGenerator([&] (CCallHelpers&, const StackmapGenerationParams&) { });

    // Last use of first arg (here, arg1).
    CheckValue* checkAdd1 = root->appendNew<CheckValue>(proc, CheckAdd, Origin(), arg1, arg2);
    checkAdd1->setGenerator([&] (CCallHelpers& jit, const StackmapGenerationParams&) { jit.oops(); });

    // Last use of second arg (here, arg3).
    CheckValue* checkAdd2 = root->appendNew<CheckValue>(proc, CheckAdd, Origin(), arg2, arg3);
    checkAdd2->setGenerator([&] (CCallHelpers& jit, const StackmapGenerationParams&) { jit.oops(); });

    // Keep arg3 live.
    PatchpointValue* keepArg2Live = root->appendNew<PatchpointValue>(proc, Void, Origin());
    keepArg2Live->append(ConstrainedValue(arg2, ValueRep::SomeRegister));
    keepArg2Live->setGenerator([&] (CCallHelpers&, const StackmapGenerationParams&) { });

    // Only use of checkAdd1 and checkAdd2.
    CheckValue* checkAdd3 = root->appendNew<CheckValue>(proc, CheckAdd, Origin(), checkAdd1, checkAdd2);
    checkAdd3->setGenerator([&] (CCallHelpers& jit, const StackmapGenerationParams&) { jit.oops(); });

    root->appendNewControlValue(proc, Return, Origin(), checkAdd3);

    CHECK(compileAndRun<int32_t>(proc, 1, 2, 3) == 8);
}

void testCheckAddSelfOverflow64()
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    Value* arg = root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0);
    CheckValue* checkAdd = root->appendNew<CheckValue>(proc, CheckAdd, Origin(), arg, arg);
    checkAdd->append(arg);
    checkAdd->setGenerator(
        [&] (CCallHelpers& jit, const StackmapGenerationParams& params) {
            AllowMacroScratchRegisterUsage allowScratch(jit);
            jit.move(params[0].gpr(), GPRInfo::returnValueGPR);
            jit.emitFunctionEpilogue();
            jit.ret();
        });

    // Make sure the arg is not the destination of the operation.
    PatchpointValue* opaqueUse = root->appendNew<PatchpointValue>(proc, Void, Origin());
    opaqueUse->append(ConstrainedValue(arg, ValueRep::SomeRegister));
    opaqueUse->setGenerator([&] (CCallHelpers&, const StackmapGenerationParams&) { });

    root->appendNewControlValue(proc, Return, Origin(), checkAdd);

    auto code = compile(proc);

    CHECK(invoke<int64_t>(*code, 0ll) == 0);
    CHECK(invoke<int64_t>(*code, 1ll) == 2);
    CHECK(invoke<int64_t>(*code, std::numeric_limits<int64_t>::max()) == std::numeric_limits<int64_t>::max());
}

void testCheckAddSelfOverflow32()
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    Value* arg = root->appendNew<Value>(
        proc, Trunc, Origin(),
        root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0));
    CheckValue* checkAdd = root->appendNew<CheckValue>(proc, CheckAdd, Origin(), arg, arg);
    checkAdd->append(arg);
    checkAdd->setGenerator(
        [&] (CCallHelpers& jit, const StackmapGenerationParams& params) {
            AllowMacroScratchRegisterUsage allowScratch(jit);
            jit.move(params[0].gpr(), GPRInfo::returnValueGPR);
            jit.emitFunctionEpilogue();
            jit.ret();
        });

    // Make sure the arg is not the destination of the operation.
    PatchpointValue* opaqueUse = root->appendNew<PatchpointValue>(proc, Void, Origin());
    opaqueUse->append(ConstrainedValue(arg, ValueRep::SomeRegister));
    opaqueUse->setGenerator([&] (CCallHelpers&, const StackmapGenerationParams&) { });

    root->appendNewControlValue(proc, Return, Origin(), checkAdd);

    auto code = compile(proc);

    CHECK(invoke<int32_t>(*code, 0ll) == 0);
    CHECK(invoke<int32_t>(*code, 1ll) == 2);
    CHECK(invoke<int32_t>(*code, std::numeric_limits<int32_t>::max()) == std::numeric_limits<int32_t>::max());
}

void testCheckSubImm()
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    Value* arg1 = root->appendNew<Value>(
        proc, Trunc, Origin(),
        root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0));
    Value* arg2 = root->appendNew<Const32Value>(proc, Origin(), 42);
    CheckValue* checkSub = root->appendNew<CheckValue>(proc, CheckSub, Origin(), arg1, arg2);
    checkSub->append(arg1);
    checkSub->append(arg2);
    checkSub->setGenerator(
        [&] (CCallHelpers& jit, const StackmapGenerationParams& params) {
            AllowMacroScratchRegisterUsage allowScratch(jit);
            CHECK(params.size() == 2);
            CHECK(params[0].isGPR());
            CHECK(params[1].isConstant());
            CHECK(params[1].value() == 42);
            jit.convertInt32ToDouble(params[0].gpr(), FPRInfo::fpRegT0);
            jit.convertInt32ToDouble(CCallHelpers::TrustedImm32(42), FPRInfo::fpRegT1);
            jit.subDouble(FPRInfo::fpRegT1, FPRInfo::fpRegT0);
            jit.emitFunctionEpilogue();
            jit.ret();
        });
    root->appendNewControlValue(
        proc, Return, Origin(),
        root->appendNew<Value>(proc, IToD, Origin(), checkSub));

    auto code = compile(proc);

    CHECK(invoke<double>(*code, 0) == -42.0);
    CHECK(invoke<double>(*code, 1) == -41.0);
    CHECK(invoke<double>(*code, 42) == 0.0);
    CHECK(invoke<double>(*code, -2147483647) == -2147483689.0);
}

void testCheckSubBadImm()
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    Value* arg1 = root->appendNew<Value>(
        proc, Trunc, Origin(),
        root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0));
    int32_t badImm = std::numeric_limits<int>::min();
    Value* arg2 = root->appendNew<Const32Value>(proc, Origin(), badImm);
    CheckValue* checkSub = root->appendNew<CheckValue>(proc, CheckSub, Origin(), arg1, arg2);
    checkSub->append(arg1);
    checkSub->append(arg2);
    checkSub->setGenerator(
        [&] (CCallHelpers& jit, const StackmapGenerationParams& params) {
            AllowMacroScratchRegisterUsage allowScratch(jit);
            CHECK(params.size() == 2);
            CHECK(params[0].isGPR());
            jit.convertInt32ToDouble(params[0].gpr(), FPRInfo::fpRegT0);

            if (params[1].isConstant()) {
                CHECK(params[1].value() == badImm);
                jit.convertInt32ToDouble(CCallHelpers::TrustedImm32(badImm), FPRInfo::fpRegT1);
            } else {
                CHECK(params[1].isGPR());
                jit.convertInt32ToDouble(params[1].gpr(), FPRInfo::fpRegT1);
            }
            jit.subDouble(FPRInfo::fpRegT1, FPRInfo::fpRegT0);
            jit.emitFunctionEpilogue();
            jit.ret();
        });
    root->appendNewControlValue(
        proc, Return, Origin(),
        root->appendNew<Value>(proc, IToD, Origin(), checkSub));

    auto code = compile(proc);

    CHECK(invoke<double>(*code, 0) == -static_cast<double>(badImm));
    CHECK(invoke<double>(*code, -1) == -static_cast<double>(badImm) - 1);
    CHECK(invoke<double>(*code, 1) == -static_cast<double>(badImm) + 1);
    CHECK(invoke<double>(*code, 42) == -static_cast<double>(badImm) + 42);
}

void testCheckSub()
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    Value* arg1 = root->appendNew<Value>(
        proc, Trunc, Origin(),
        root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0));
    Value* arg2 = root->appendNew<Value>(
        proc, Trunc, Origin(),
        root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR1));
    CheckValue* checkSub = root->appendNew<CheckValue>(proc, CheckSub, Origin(), arg1, arg2);
    checkSub->append(arg1);
    checkSub->append(arg2);
    checkSub->setGenerator(
        [&] (CCallHelpers& jit, const StackmapGenerationParams& params) {
            AllowMacroScratchRegisterUsage allowScratch(jit);
            CHECK(params.size() == 2);
            CHECK(params[0].isGPR());
            CHECK(params[1].isGPR());
            jit.convertInt32ToDouble(params[0].gpr(), FPRInfo::fpRegT0);
            jit.convertInt32ToDouble(params[1].gpr(), FPRInfo::fpRegT1);
            jit.subDouble(FPRInfo::fpRegT1, FPRInfo::fpRegT0);
            jit.emitFunctionEpilogue();
            jit.ret();
        });
    root->appendNewControlValue(
        proc, Return, Origin(),
        root->appendNew<Value>(proc, IToD, Origin(), checkSub));

    auto code = compile(proc);

    CHECK(invoke<double>(*code, 0, 42) == -42.0);
    CHECK(invoke<double>(*code, 1, 42) == -41.0);
    CHECK(invoke<double>(*code, 42, 42) == 0.0);
    CHECK(invoke<double>(*code, -2147483647, 42) == -2147483689.0);
}

NEVER_INLINE double doubleSub(double a, double b)
{
    return a - b;
}

void testCheckSub64()
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    Value* arg1 = root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0);
    Value* arg2 = root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR1);
    CheckValue* checkSub = root->appendNew<CheckValue>(proc, CheckSub, Origin(), arg1, arg2);
    checkSub->append(arg1);
    checkSub->append(arg2);
    checkSub->setGenerator(
        [&] (CCallHelpers& jit, const StackmapGenerationParams& params) {
            AllowMacroScratchRegisterUsage allowScratch(jit);
            CHECK(params.size() == 2);
            CHECK(params[0].isGPR());
            CHECK(params[1].isGPR());
            jit.convertInt64ToDouble(params[0].gpr(), FPRInfo::fpRegT0);
            jit.convertInt64ToDouble(params[1].gpr(), FPRInfo::fpRegT1);
            jit.subDouble(FPRInfo::fpRegT1, FPRInfo::fpRegT0);
            jit.emitFunctionEpilogue();
            jit.ret();
        });
    root->appendNewControlValue(
        proc, Return, Origin(),
        root->appendNew<Value>(proc, IToD, Origin(), checkSub));

    auto code = compile(proc);

    CHECK(invoke<double>(*code, 0ll, 42ll) == -42.0);
    CHECK(invoke<double>(*code, 1ll, 42ll) == -41.0);
    CHECK(invoke<double>(*code, 42ll, 42ll) == 0.0);
    CHECK(invoke<double>(*code, -9223372036854775807ll, 42ll) == doubleSub(static_cast<double>(-9223372036854775807ll), 42.0));
}

void testCheckSubFold(int a, int b)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    Value* arg1 = root->appendNew<Const32Value>(proc, Origin(), a);
    Value* arg2 = root->appendNew<Const32Value>(proc, Origin(), b);
    CheckValue* checkSub = root->appendNew<CheckValue>(proc, CheckSub, Origin(), arg1, arg2);
    checkSub->setGenerator(
        [&] (CCallHelpers&, const StackmapGenerationParams&) {
            CHECK(!"Should have been folded");
        });
    root->appendNewControlValue(proc, Return, Origin(), checkSub);

    auto code = compile(proc);

    CHECK(invoke<int>(*code) == a - b);
}

void testCheckSubFoldFail(int a, int b)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    Value* arg1 = root->appendNew<Const32Value>(proc, Origin(), a);
    Value* arg2 = root->appendNew<Const32Value>(proc, Origin(), b);
    CheckValue* checkSub = root->appendNew<CheckValue>(proc, CheckSub, Origin(), arg1, arg2);
    checkSub->setGenerator(
        [&] (CCallHelpers& jit, const StackmapGenerationParams&) {
            AllowMacroScratchRegisterUsage allowScratch(jit);
            jit.move(CCallHelpers::TrustedImm32(42), GPRInfo::returnValueGPR);
            jit.emitFunctionEpilogue();
            jit.ret();
        });
    root->appendNewControlValue(proc, Return, Origin(), checkSub);

    auto code = compile(proc);

    CHECK(invoke<int>(*code) == 42);
}

void testCheckNeg()
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    Value* arg1 = root->appendNew<Const32Value>(proc, Origin(), 0);
    Value* arg2 = root->appendNew<Value>(
        proc, Trunc, Origin(),
        root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0));
    CheckValue* checkNeg = root->appendNew<CheckValue>(proc, CheckSub, Origin(), arg1, arg2);
    checkNeg->append(arg2);
    checkNeg->setGenerator(
        [&] (CCallHelpers& jit, const StackmapGenerationParams& params) {
            AllowMacroScratchRegisterUsage allowScratch(jit);
            CHECK(params.size() == 1);
            CHECK(params[0].isGPR());
            jit.convertInt32ToDouble(params[0].gpr(), FPRInfo::fpRegT1);
            jit.negateDouble(FPRInfo::fpRegT1, FPRInfo::fpRegT0);
            jit.emitFunctionEpilogue();
            jit.ret();
        });
    root->appendNewControlValue(
        proc, Return, Origin(),
        root->appendNew<Value>(proc, IToD, Origin(), checkNeg));

    auto code = compile(proc);

    CHECK(invoke<double>(*code, 0) == 0.0);
    CHECK(invoke<double>(*code, 1) == -1.0);
    CHECK(invoke<double>(*code, 42) == -42.0);
    CHECK(invoke<double>(*code, -2147483647 - 1) == 2147483648.0);
}

void testCheckNeg64()
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    Value* arg1 = root->appendNew<Const64Value>(proc, Origin(), 0);
    Value* arg2 = root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0);
    CheckValue* checkNeg = root->appendNew<CheckValue>(proc, CheckSub, Origin(), arg1, arg2);
    checkNeg->append(arg2);
    checkNeg->setGenerator(
        [&] (CCallHelpers& jit, const StackmapGenerationParams& params) {
            AllowMacroScratchRegisterUsage allowScratch(jit);
            CHECK(params.size() == 1);
            CHECK(params[0].isGPR());
            jit.convertInt64ToDouble(params[0].gpr(), FPRInfo::fpRegT1);
            jit.negateDouble(FPRInfo::fpRegT1, FPRInfo::fpRegT0);
            jit.emitFunctionEpilogue();
            jit.ret();
        });
    root->appendNewControlValue(
        proc, Return, Origin(),
        root->appendNew<Value>(proc, IToD, Origin(), checkNeg));

    auto code = compile(proc);

    CHECK(invoke<double>(*code, 0ll) == 0.0);
    CHECK(invoke<double>(*code, 1ll) == -1.0);
    CHECK(invoke<double>(*code, 42ll) == -42.0);
    CHECK(invoke<double>(*code, -9223372036854775807ll - 1) == 9223372036854775808.0);
}

void testCheckMul()
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    Value* arg1 = root->appendNew<Value>(
        proc, Trunc, Origin(),
        root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0));
    Value* arg2 = root->appendNew<Value>(
        proc, Trunc, Origin(),
        root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR1));
    CheckValue* checkMul = root->appendNew<CheckValue>(proc, CheckMul, Origin(), arg1, arg2);
    checkMul->append(arg1);
    checkMul->append(arg2);
    checkMul->setGenerator(
        [&] (CCallHelpers& jit, const StackmapGenerationParams& params) {
            AllowMacroScratchRegisterUsage allowScratch(jit);
            CHECK(params.size() == 2);
            CHECK(params[0].isGPR());
            CHECK(params[1].isGPR());
            jit.convertInt32ToDouble(params[0].gpr(), FPRInfo::fpRegT0);
            jit.convertInt32ToDouble(params[1].gpr(), FPRInfo::fpRegT1);
            jit.mulDouble(FPRInfo::fpRegT1, FPRInfo::fpRegT0);
            jit.emitFunctionEpilogue();
            jit.ret();
        });
    root->appendNewControlValue(
        proc, Return, Origin(),
        root->appendNew<Value>(proc, IToD, Origin(), checkMul));

    auto code = compile(proc);

    CHECK(invoke<double>(*code, 0, 42) == 0.0);
    CHECK(invoke<double>(*code, 1, 42) == 42.0);
    CHECK(invoke<double>(*code, 42, 42) == 42.0 * 42.0);
    CHECK(invoke<double>(*code, 2147483647, 42) == 2147483647.0 * 42.0);
}

void testCheckMulMemory()
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();

    int left;
    int right;
    
    Value* arg1 = root->appendNew<MemoryValue>(
        proc, Load, Int32, Origin(),
        root->appendNew<ConstPtrValue>(proc, Origin(), &left));
    Value* arg2 = root->appendNew<MemoryValue>(
        proc, Load, Int32, Origin(),
        root->appendNew<ConstPtrValue>(proc, Origin(), &right));
    CheckValue* checkMul = root->appendNew<CheckValue>(proc, CheckMul, Origin(), arg1, arg2);
    checkMul->append(arg1);
    checkMul->append(arg2);
    checkMul->setGenerator(
        [&] (CCallHelpers& jit, const StackmapGenerationParams& params) {
            AllowMacroScratchRegisterUsage allowScratch(jit);
            CHECK(params.size() == 2);
            CHECK(params[0].isGPR());
            CHECK(params[1].isGPR());
            jit.convertInt32ToDouble(params[0].gpr(), FPRInfo::fpRegT0);
            jit.convertInt32ToDouble(params[1].gpr(), FPRInfo::fpRegT1);
            jit.mulDouble(FPRInfo::fpRegT1, FPRInfo::fpRegT0);
            jit.emitFunctionEpilogue();
            jit.ret();
        });
    root->appendNewControlValue(
        proc, Return, Origin(),
        root->appendNew<Value>(proc, IToD, Origin(), checkMul));

    auto code = compile(proc);

    left = 0;
    right = 42;
    CHECK(invoke<double>(*code) == 0.0);
    
    left = 1;
    right = 42;
    CHECK(invoke<double>(*code) == 42.0);

    left = 42;
    right = 42;
    CHECK(invoke<double>(*code) == 42.0 * 42.0);

    left = 2147483647;
    right = 42;
    CHECK(invoke<double>(*code) == 2147483647.0 * 42.0);
}

void testCheckMul2()
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    Value* arg1 = root->appendNew<Value>(
        proc, Trunc, Origin(),
        root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0));
    Value* arg2 = root->appendNew<Const32Value>(proc, Origin(), 2);
    CheckValue* checkMul = root->appendNew<CheckValue>(proc, CheckMul, Origin(), arg1, arg2);
    checkMul->append(arg1);
    checkMul->append(arg2);
    checkMul->setGenerator(
        [&] (CCallHelpers& jit, const StackmapGenerationParams& params) {
            AllowMacroScratchRegisterUsage allowScratch(jit);
            CHECK(params.size() == 2);
            CHECK(params[0].isGPR());
            CHECK(params[1].isConstant());
            CHECK(params[1].value() == 2);
            jit.convertInt32ToDouble(params[0].gpr(), FPRInfo::fpRegT0);
            jit.convertInt32ToDouble(CCallHelpers::TrustedImm32(2), FPRInfo::fpRegT1);
            jit.mulDouble(FPRInfo::fpRegT1, FPRInfo::fpRegT0);
            jit.emitFunctionEpilogue();
            jit.ret();
        });
    root->appendNewControlValue(
        proc, Return, Origin(),
        root->appendNew<Value>(proc, IToD, Origin(), checkMul));

    auto code = compile(proc);

    CHECK(invoke<double>(*code, 0) == 0.0);
    CHECK(invoke<double>(*code, 1) == 2.0);
    CHECK(invoke<double>(*code, 42) == 42.0 * 2.0);
    CHECK(invoke<double>(*code, 2147483647) == 2147483647.0 * 2.0);
}

void testCheckMul64()
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    Value* arg1 = root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0);
    Value* arg2 = root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR1);
    CheckValue* checkMul = root->appendNew<CheckValue>(proc, CheckMul, Origin(), arg1, arg2);
    checkMul->append(arg1);
    checkMul->append(arg2);
    checkMul->setGenerator(
        [&] (CCallHelpers& jit, const StackmapGenerationParams& params) {
            AllowMacroScratchRegisterUsage allowScratch(jit);
            CHECK(params.size() == 2);
            CHECK(params[0].isGPR());
            CHECK(params[1].isGPR());
            jit.convertInt64ToDouble(params[0].gpr(), FPRInfo::fpRegT0);
            jit.convertInt64ToDouble(params[1].gpr(), FPRInfo::fpRegT1);
            jit.mulDouble(FPRInfo::fpRegT1, FPRInfo::fpRegT0);
            jit.emitFunctionEpilogue();
            jit.ret();
        });
    root->appendNewControlValue(
        proc, Return, Origin(),
        root->appendNew<Value>(proc, IToD, Origin(), checkMul));

    auto code = compile(proc);

    CHECK(invoke<double>(*code, 0, 42) == 0.0);
    CHECK(invoke<double>(*code, 1, 42) == 42.0);
    CHECK(invoke<double>(*code, 42, 42) == 42.0 * 42.0);
    CHECK(invoke<double>(*code, 9223372036854775807ll, 42) == static_cast<double>(9223372036854775807ll) * 42.0);
}

void testCheckMulFold(int a, int b)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    Value* arg1 = root->appendNew<Const32Value>(proc, Origin(), a);
    Value* arg2 = root->appendNew<Const32Value>(proc, Origin(), b);
    CheckValue* checkMul = root->appendNew<CheckValue>(proc, CheckMul, Origin(), arg1, arg2);
    checkMul->setGenerator(
        [&] (CCallHelpers&, const StackmapGenerationParams&) {
            CHECK(!"Should have been folded");
        });
    root->appendNewControlValue(proc, Return, Origin(), checkMul);

    auto code = compile(proc);

    CHECK(invoke<int>(*code) == a * b);
}

void testCheckMulFoldFail(int a, int b)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    Value* arg1 = root->appendNew<Const32Value>(proc, Origin(), a);
    Value* arg2 = root->appendNew<Const32Value>(proc, Origin(), b);
    CheckValue* checkMul = root->appendNew<CheckValue>(proc, CheckMul, Origin(), arg1, arg2);
    checkMul->setGenerator(
        [&] (CCallHelpers& jit, const StackmapGenerationParams&) {
            AllowMacroScratchRegisterUsage allowScratch(jit);
            jit.move(CCallHelpers::TrustedImm32(42), GPRInfo::returnValueGPR);
            jit.emitFunctionEpilogue();
            jit.ret();
        });
    root->appendNewControlValue(proc, Return, Origin(), checkMul);

    auto code = compile(proc);

    CHECK(invoke<int>(*code) == 42);
}

void testCheckMulArgumentAliasing64()
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    Value* arg1 = root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0);
    Value* arg2 = root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR1);
    Value* arg3 = root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR2);

    // Pretend to use all the args.
    PatchpointValue* useArgs = root->appendNew<PatchpointValue>(proc, Void, Origin());
    useArgs->append(ConstrainedValue(arg1, ValueRep::SomeRegister));
    useArgs->append(ConstrainedValue(arg2, ValueRep::SomeRegister));
    useArgs->append(ConstrainedValue(arg3, ValueRep::SomeRegister));
    useArgs->setGenerator([&] (CCallHelpers&, const StackmapGenerationParams&) { });

    // Last use of first arg (here, arg1).
    CheckValue* checkMul1 = root->appendNew<CheckValue>(proc, CheckMul, Origin(), arg1, arg2);
    checkMul1->setGenerator([&] (CCallHelpers& jit, const StackmapGenerationParams&) { jit.oops(); });

    // Last use of second arg (here, arg2).
    CheckValue* checkMul2 = root->appendNew<CheckValue>(proc, CheckMul, Origin(), arg3, arg2);
    checkMul2->setGenerator([&] (CCallHelpers& jit, const StackmapGenerationParams&) { jit.oops(); });

    // Keep arg3 live.
    PatchpointValue* keepArg2Live = root->appendNew<PatchpointValue>(proc, Void, Origin());
    keepArg2Live->append(ConstrainedValue(arg2, ValueRep::SomeRegister));
    keepArg2Live->setGenerator([&] (CCallHelpers&, const StackmapGenerationParams&) { });

    // Only use of checkMul1 and checkMul2.
    CheckValue* checkMul3 = root->appendNew<CheckValue>(proc, CheckMul, Origin(), checkMul1, checkMul2);
    checkMul3->setGenerator([&] (CCallHelpers& jit, const StackmapGenerationParams&) { jit.oops(); });

    root->appendNewControlValue(proc, Return, Origin(), checkMul3);

    CHECK(compileAndRun<int64_t>(proc, 2, 3, 4) == 72);
}

void testCheckMulArgumentAliasing32()
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    Value* arg1 = root->appendNew<Value>(
        proc, Trunc, Origin(),
        root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0));
    Value* arg2 = root->appendNew<Value>(
        proc, Trunc, Origin(),
        root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR1));
    Value* arg3 = root->appendNew<Value>(
        proc, Trunc, Origin(),
        root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR2));

    // Pretend to use all the args.
    PatchpointValue* useArgs = root->appendNew<PatchpointValue>(proc, Void, Origin());
    useArgs->append(ConstrainedValue(arg1, ValueRep::SomeRegister));
    useArgs->append(ConstrainedValue(arg2, ValueRep::SomeRegister));
    useArgs->append(ConstrainedValue(arg3, ValueRep::SomeRegister));
    useArgs->setGenerator([&] (CCallHelpers&, const StackmapGenerationParams&) { });

    // Last use of first arg (here, arg1).
    CheckValue* checkMul1 = root->appendNew<CheckValue>(proc, CheckMul, Origin(), arg1, arg2);
    checkMul1->setGenerator([&] (CCallHelpers& jit, const StackmapGenerationParams&) { jit.oops(); });

    // Last use of second arg (here, arg3).
    CheckValue* checkMul2 = root->appendNew<CheckValue>(proc, CheckMul, Origin(), arg2, arg3);
    checkMul2->setGenerator([&] (CCallHelpers& jit, const StackmapGenerationParams&) { jit.oops(); });

    // Keep arg3 live.
    PatchpointValue* keepArg2Live = root->appendNew<PatchpointValue>(proc, Void, Origin());
    keepArg2Live->append(ConstrainedValue(arg2, ValueRep::SomeRegister));
    keepArg2Live->setGenerator([&] (CCallHelpers&, const StackmapGenerationParams&) { });

    // Only use of checkMul1 and checkMul2.
    CheckValue* checkMul3 = root->appendNew<CheckValue>(proc, CheckMul, Origin(), checkMul1, checkMul2);
    checkMul3->setGenerator([&] (CCallHelpers& jit, const StackmapGenerationParams&) { jit.oops(); });

    root->appendNewControlValue(proc, Return, Origin(), checkMul3);

    CHECK(compileAndRun<int32_t>(proc, 2, 3, 4) == 72);
}

void testCheckMul64SShr()
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    Value* arg1 = root->appendNew<Value>(
        proc, SShr, Origin(),
        root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0),
        root->appendNew<Const32Value>(proc, Origin(), 1));
    Value* arg2 = root->appendNew<Value>(
        proc, SShr, Origin(),
        root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR1),
        root->appendNew<Const32Value>(proc, Origin(), 1));
    CheckValue* checkMul = root->appendNew<CheckValue>(proc, CheckMul, Origin(), arg1, arg2);
    checkMul->append(arg1);
    checkMul->append(arg2);
    checkMul->setGenerator(
        [&] (CCallHelpers& jit, const StackmapGenerationParams& params) {
            AllowMacroScratchRegisterUsage allowScratch(jit);
            CHECK(params.size() == 2);
            CHECK(params[0].isGPR());
            CHECK(params[1].isGPR());
            jit.convertInt64ToDouble(params[0].gpr(), FPRInfo::fpRegT0);
            jit.convertInt64ToDouble(params[1].gpr(), FPRInfo::fpRegT1);
            jit.mulDouble(FPRInfo::fpRegT1, FPRInfo::fpRegT0);
            jit.emitFunctionEpilogue();
            jit.ret();
        });
    root->appendNewControlValue(
        proc, Return, Origin(),
        root->appendNew<Value>(proc, IToD, Origin(), checkMul));

    auto code = compile(proc);

    CHECK(invoke<double>(*code, 0ll, 42ll) == 0.0);
    CHECK(invoke<double>(*code, 1ll, 42ll) == 0.0);
    CHECK(invoke<double>(*code, 42ll, 42ll) == (42.0 / 2.0) * (42.0 / 2.0));
    CHECK(invoke<double>(*code, 10000000000ll, 10000000000ll) == 25000000000000000000.0);
}

template<typename LeftFunctor, typename RightFunctor, typename InputType>
void genericTestCompare(
    B3::Opcode opcode, const LeftFunctor& leftFunctor, const RightFunctor& rightFunctor,
    InputType left, InputType right, int result)
{
    // Using a compare.
    {
        Procedure proc;
        BasicBlock* root = proc.addBlock();

        Value* leftValue = leftFunctor(root, proc);
        Value* rightValue = rightFunctor(root, proc);
        Value* comparisonResult = root->appendNew<Value>(proc, opcode, Origin(), leftValue, rightValue);
        
        root->appendNewControlValue(
            proc, Return, Origin(),
            root->appendNew<Value>(
                proc, NotEqual, Origin(),
                comparisonResult,
                root->appendIntConstant(proc, Origin(), comparisonResult->type(), 0)));

        CHECK(compileAndRun<int>(proc, left, right) == result);
    }
    
    // Using a branch.
    {
        Procedure proc;
        BasicBlock* root = proc.addBlock();
        BasicBlock* thenCase = proc.addBlock();
        BasicBlock* elseCase = proc.addBlock();

        Value* leftValue = leftFunctor(root, proc);
        Value* rightValue = rightFunctor(root, proc);

        root->appendNewControlValue(
            proc, Branch, Origin(),
            root->appendNew<Value>(proc, opcode, Origin(), leftValue, rightValue),
            FrequentedBlock(thenCase), FrequentedBlock(elseCase));

        // We use a patchpoint on the then case to ensure that this doesn't get if-converted.
        PatchpointValue* patchpoint = thenCase->appendNew<PatchpointValue>(proc, Int32, Origin());
        patchpoint->setGenerator(
            [&] (CCallHelpers& jit, const StackmapGenerationParams& params) {
                AllowMacroScratchRegisterUsage allowScratch(jit);
                CHECK(params.size() == 1);
                CHECK(params[0].isGPR());
                jit.move(CCallHelpers::TrustedImm32(1), params[0].gpr());
            });
        thenCase->appendNewControlValue(proc, Return, Origin(), patchpoint);

        elseCase->appendNewControlValue(
            proc, Return, Origin(),
            elseCase->appendNew<Const32Value>(proc, Origin(), 0));

        CHECK(compileAndRun<int>(proc, left, right) == result);
    }
}

template<typename InputType>
InputType modelCompare(B3::Opcode opcode, InputType left, InputType right)
{
    switch (opcode) {
    case Equal:
        return left == right;
    case NotEqual:
        return left != right;
    case LessThan:
        return left < right;
    case GreaterThan:
        return left > right;
    case LessEqual:
        return left <= right;
    case GreaterEqual:
        return left >= right;
    case Above:
        return static_cast<typename std::make_unsigned<InputType>::type>(left) >
            static_cast<typename std::make_unsigned<InputType>::type>(right);
    case Below:
        return static_cast<typename std::make_unsigned<InputType>::type>(left) <
            static_cast<typename std::make_unsigned<InputType>::type>(right);
    case AboveEqual:
        return static_cast<typename std::make_unsigned<InputType>::type>(left) >=
            static_cast<typename std::make_unsigned<InputType>::type>(right);
    case BelowEqual:
        return static_cast<typename std::make_unsigned<InputType>::type>(left) <=
            static_cast<typename std::make_unsigned<InputType>::type>(right);
    case BitAnd:
        return !!(left & right);
    default:
        RELEASE_ASSERT_NOT_REACHED();
        return 0;
    }
}

template<typename T>
void testCompareLoad(B3::Opcode opcode, B3::Opcode loadOpcode, int left, int right)
{
    int result = modelCompare(opcode, modelLoad<T>(left), right);
    
    // Test addr-to-tmp
    int slot = left;
    genericTestCompare(
        opcode,
        [&] (BasicBlock* block, Procedure& proc) {
            return block->appendNew<MemoryValue>(
                proc, loadOpcode, Int32, Origin(),
                block->appendNew<ConstPtrValue>(proc, Origin(), &slot));
        },
        [&] (BasicBlock* block, Procedure& proc) {
            return block->appendNew<Value>(
                proc, Trunc, Origin(),
                block->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR1));
        },
        left, right, result);

    // Test addr-to-imm
    slot = left;
    genericTestCompare(
        opcode,
        [&] (BasicBlock* block, Procedure& proc) {
            return block->appendNew<MemoryValue>(
                proc, loadOpcode, Int32, Origin(),
                block->appendNew<ConstPtrValue>(proc, Origin(), &slot));
        },
        [&] (BasicBlock* block, Procedure& proc) {
            return block->appendNew<Const32Value>(proc, Origin(), right);
        },
        left, right, result);

    result = modelCompare(opcode, left, modelLoad<T>(right));
    
    // Test tmp-to-addr
    slot = right;
    genericTestCompare(
        opcode,
        [&] (BasicBlock* block, Procedure& proc) {
            return block->appendNew<Value>(
                proc, Trunc, Origin(),
                block->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0));
        },
        [&] (BasicBlock* block, Procedure& proc) {
            return block->appendNew<MemoryValue>(
                proc, loadOpcode, Int32, Origin(),
                block->appendNew<ConstPtrValue>(proc, Origin(), &slot));
        },
        left, right, result);

    // Test imm-to-addr
    slot = right;
    genericTestCompare(
        opcode,
        [&] (BasicBlock* block, Procedure& proc) {
            return block->appendNew<Const32Value>(proc, Origin(), left);
        },
        [&] (BasicBlock* block, Procedure& proc) {
            return block->appendNew<MemoryValue>(
                proc, loadOpcode, Int32, Origin(),
                block->appendNew<ConstPtrValue>(proc, Origin(), &slot));
        },
        left, right, result);

    // Test addr-to-addr, with the same addr.
    slot = left;
    Value* value;
    genericTestCompare(
        opcode,
        [&] (BasicBlock* block, Procedure& proc) {
            value = block->appendNew<MemoryValue>(
                proc, loadOpcode, Int32, Origin(),
                block->appendNew<ConstPtrValue>(proc, Origin(), &slot));
            return value;
        },
        [&] (BasicBlock*, Procedure&) {
            return value;
        },
        left, left, modelCompare(opcode, modelLoad<T>(left), modelLoad<T>(left)));
}

void testCompareImpl(B3::Opcode opcode, int64_t left, int64_t right)
{
    int64_t result = modelCompare(opcode, left, right);
    int32_t int32Result = modelCompare(opcode, static_cast<int32_t>(left), static_cast<int32_t>(right));
    
    // Test tmp-to-tmp.
    genericTestCompare(
        opcode,
        [&] (BasicBlock* block, Procedure& proc) {
            return block->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0);
        },
        [&] (BasicBlock* block, Procedure& proc) {
            return block->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR1);
        },
        left, right, result);
    genericTestCompare(
        opcode,
        [&] (BasicBlock* block, Procedure& proc) {
            return block->appendNew<Value>(
                proc, Trunc, Origin(),
                block->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0));
        },
        [&] (BasicBlock* block, Procedure& proc) {
            return block->appendNew<Value>(
                proc, Trunc, Origin(),
                block->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR1));
        },
        left, right, int32Result);

    // Test imm-to-tmp.
    genericTestCompare(
        opcode,
        [&] (BasicBlock* block, Procedure& proc) {
            return block->appendNew<Const64Value>(proc, Origin(), left);
        },
        [&] (BasicBlock* block, Procedure& proc) {
            return block->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR1);
        },
        left, right, result);
    genericTestCompare(
        opcode,
        [&] (BasicBlock* block, Procedure& proc) {
            return block->appendNew<Const32Value>(proc, Origin(), left);
        },
        [&] (BasicBlock* block, Procedure& proc) {
            return block->appendNew<Value>(
                proc, Trunc, Origin(),
                block->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR1));
        },
        left, right, int32Result);

    // Test tmp-to-imm.
    genericTestCompare(
        opcode,
        [&] (BasicBlock* block, Procedure& proc) {
            return block->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0);
        },
        [&] (BasicBlock* block, Procedure& proc) {
            return block->appendNew<Const64Value>(proc, Origin(), right);
        },
        left, right, result);
    genericTestCompare(
        opcode,
        [&] (BasicBlock* block, Procedure& proc) {
            return block->appendNew<Value>(
                proc, Trunc, Origin(),
                block->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0));
        },
        [&] (BasicBlock* block, Procedure& proc) {
            return block->appendNew<Const32Value>(proc, Origin(), right);
        },
        left, right, int32Result);

    // Test imm-to-imm.
    genericTestCompare(
        opcode,
        [&] (BasicBlock* block, Procedure& proc) {
            return block->appendNew<Const64Value>(proc, Origin(), left);
        },
        [&] (BasicBlock* block, Procedure& proc) {
            return block->appendNew<Const64Value>(proc, Origin(), right);
        },
        left, right, result);
    genericTestCompare(
        opcode,
        [&] (BasicBlock* block, Procedure& proc) {
            return block->appendNew<Const32Value>(proc, Origin(), left);
        },
        [&] (BasicBlock* block, Procedure& proc) {
            return block->appendNew<Const32Value>(proc, Origin(), right);
        },
        left, right, int32Result);

    testCompareLoad<int32_t>(opcode, Load, left, right);
    testCompareLoad<int8_t>(opcode, Load8S, left, right);
    testCompareLoad<uint8_t>(opcode, Load8Z, left, right);
    testCompareLoad<int16_t>(opcode, Load16S, left, right);
    testCompareLoad<uint16_t>(opcode, Load16Z, left, right);
}

void testCompare(B3::Opcode opcode, int64_t left, int64_t right)
{
    testCompareImpl(opcode, left, right);
    testCompareImpl(opcode, left, right + 1);
    testCompareImpl(opcode, left, right - 1);
}

void testEqualDouble(double left, double right, bool result)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    root->appendNewControlValue(
        proc, Return, Origin(),
        root->appendNew<Value>(
            proc, Equal, Origin(),
            root->appendNew<ArgumentRegValue>(proc, Origin(), FPRInfo::argumentFPR0),
            root->appendNew<ArgumentRegValue>(proc, Origin(), FPRInfo::argumentFPR1)));

    CHECK(compileAndRun<bool>(proc, left, right) == result);
}

int simpleFunction(int a, int b)
{
    return a + b;
}

void testCallSimple(int a, int b)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    root->appendNewControlValue(
        proc, Return, Origin(),
        root->appendNew<CCallValue>(
            proc, Int32, Origin(),
            root->appendNew<ConstPtrValue>(proc, Origin(), bitwise_cast<void*>(simpleFunction)),
            root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0),
            root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR1)));

    CHECK(compileAndRun<int>(proc, a, b) == a + b);
}

void testCallRare(int a, int b)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    BasicBlock* common = proc.addBlock();
    BasicBlock* rare = proc.addBlock();

    root->appendNewControlValue(
        proc, Branch, Origin(),
        root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0),
        FrequentedBlock(rare, FrequencyClass::Rare),
        FrequentedBlock(common));

    common->appendNewControlValue(
        proc, Return, Origin(), common->appendNew<Const32Value>(proc, Origin(), 0));
    
    rare->appendNewControlValue(
        proc, Return, Origin(),
        rare->appendNew<CCallValue>(
            proc, Int32, Origin(),
            rare->appendNew<ConstPtrValue>(proc, Origin(), bitwise_cast<void*>(simpleFunction)),
            rare->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR1),
            rare->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR2)));

    CHECK(compileAndRun<int>(proc, true, a, b) == a + b);
}

void testCallRareLive(int a, int b, int c)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    BasicBlock* common = proc.addBlock();
    BasicBlock* rare = proc.addBlock();

    root->appendNewControlValue(
        proc, Branch, Origin(),
        root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0),
        FrequentedBlock(rare, FrequencyClass::Rare),
        FrequentedBlock(common));

    common->appendNewControlValue(
        proc, Return, Origin(), common->appendNew<Const32Value>(proc, Origin(), 0));
    
    rare->appendNewControlValue(
        proc, Return, Origin(),
        rare->appendNew<Value>(
            proc, Add, Origin(),
            rare->appendNew<CCallValue>(
                proc, Int32, Origin(),
                rare->appendNew<ConstPtrValue>(proc, Origin(), bitwise_cast<void*>(simpleFunction)),
                rare->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR1),
                rare->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR2)),
            rare->appendNew<Value>(
                proc, Trunc, Origin(),
                rare->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR3))));

    CHECK(compileAndRun<int>(proc, true, a, b, c) == a + b + c);
}

void testCallSimplePure(int a, int b)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    root->appendNewControlValue(
        proc, Return, Origin(),
        root->appendNew<CCallValue>(
            proc, Int32, Origin(), Effects::none(),
            root->appendNew<ConstPtrValue>(proc, Origin(), bitwise_cast<void*>(simpleFunction)),
            root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0),
            root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR1)));

    CHECK(compileAndRun<int>(proc, a, b) == a + b);
}

int functionWithHellaArguments(int a, int b, int c, int d, int e, int f, int g, int h, int i, int j, int k, int l, int m, int n, int o, int p, int q, int r, int s, int t, int u, int v, int w, int x, int y, int z)
{
    return (a << 0) + (b << 1) + (c << 2) + (d << 3) + (e << 4) + (f << 5) + (g << 6) + (h << 7) + (i << 8) + (j << 9) + (k << 10) + (l << 11) + (m << 12) + (n << 13) + (o << 14) + (p << 15) + (q << 16) + (r << 17) + (s << 18) + (t << 19) + (u << 20) + (v << 21) + (w << 22) + (x << 23) + (y << 24) + (z << 25);
}

void testCallFunctionWithHellaArguments()
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();

    Vector<Value*> args;
    for (unsigned i = 0; i < 26; ++i)
        args.append(root->appendNew<Const32Value>(proc, Origin(), i + 1));

    CCallValue* call = root->appendNew<CCallValue>(
        proc, Int32, Origin(),
        root->appendNew<ConstPtrValue>(proc, Origin(), bitwise_cast<void*>(functionWithHellaArguments)));
    call->children().appendVector(args);
    
    root->appendNewControlValue(proc, Return, Origin(), call);

    CHECK(compileAndRun<int>(proc) == functionWithHellaArguments(1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26));
}

void testReturnDouble(double value)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    root->appendNewControlValue(
        proc, Return, Origin(),
        root->appendNew<ConstDoubleValue>(proc, Origin(), value));

    CHECK(isIdentical(compileAndRun<double>(proc), value));
}

void testReturnFloat(float value)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    root->appendNewControlValue(
        proc, Return, Origin(),
        root->appendNew<ConstFloatValue>(proc, Origin(), value));

    CHECK(isIdentical(compileAndRun<float>(proc), value));
}

double simpleFunctionDouble(double a, double b)
{
    return a + b;
}

void testCallSimpleDouble(double a, double b)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    root->appendNewControlValue(
        proc, Return, Origin(),
        root->appendNew<CCallValue>(
            proc, Double, Origin(),
            root->appendNew<ConstPtrValue>(proc, Origin(), bitwise_cast<void*>(simpleFunctionDouble)),
            root->appendNew<ArgumentRegValue>(proc, Origin(), FPRInfo::argumentFPR0),
            root->appendNew<ArgumentRegValue>(proc, Origin(), FPRInfo::argumentFPR1)));

    CHECK(compileAndRun<double>(proc, a, b) == a + b);
}

float simpleFunctionFloat(float a, float b)
{
    return a + b;
}

void testCallSimpleFloat(float a, float b)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    Value* argument1int32 = root->appendNew<Value>(proc, Trunc, Origin(),
        root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0));
    Value* argument2int32 = root->appendNew<Value>(proc, Trunc, Origin(),
        root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR1));
    Value* floatValue1 = root->appendNew<Value>(proc, BitwiseCast, Origin(), argument1int32);
    Value* floatValue2 = root->appendNew<Value>(proc, BitwiseCast, Origin(), argument2int32);
    root->appendNewControlValue(
        proc, Return, Origin(),
        root->appendNew<CCallValue>(
            proc, Float, Origin(),
            root->appendNew<ConstPtrValue>(proc, Origin(), bitwise_cast<void*>(simpleFunctionFloat)),
            floatValue1,
            floatValue2));

    CHECK(isIdentical(compileAndRun<float>(proc, bitwise_cast<int32_t>(a), bitwise_cast<int32_t>(b)), a + b));
}

double functionWithHellaDoubleArguments(double a, double b, double c, double d, double e, double f, double g, double h, double i, double j, double k, double l, double m, double n, double o, double p, double q, double r, double s, double t, double u, double v, double w, double x, double y, double z)
{
    return a * pow(2, 0) + b * pow(2, 1) + c * pow(2, 2) + d * pow(2, 3) + e * pow(2, 4) + f * pow(2, 5) + g * pow(2, 6) + h * pow(2, 7) + i * pow(2, 8) + j * pow(2, 9) + k * pow(2, 10) + l * pow(2, 11) + m * pow(2, 12) + n * pow(2, 13) + o * pow(2, 14) + p * pow(2, 15) + q * pow(2, 16) + r * pow(2, 17) + s * pow(2, 18) + t * pow(2, 19) + u * pow(2, 20) + v * pow(2, 21) + w * pow(2, 22) + x * pow(2, 23) + y * pow(2, 24) + z * pow(2, 25);
}

void testCallFunctionWithHellaDoubleArguments()
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();

    Vector<Value*> args;
    for (unsigned i = 0; i < 26; ++i)
        args.append(root->appendNew<ConstDoubleValue>(proc, Origin(), i + 1));

    CCallValue* call = root->appendNew<CCallValue>(
        proc, Double, Origin(),
        root->appendNew<ConstPtrValue>(proc, Origin(), bitwise_cast<void*>(functionWithHellaDoubleArguments)));
    call->children().appendVector(args);
    
    root->appendNewControlValue(proc, Return, Origin(), call);

    CHECK(compileAndRun<double>(proc) == functionWithHellaDoubleArguments(1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26));
}

float functionWithHellaFloatArguments(float a, float b, float c, float d, float e, float f, float g, float h, float i, float j, float k, float l, float m, float n, float o, float p, float q, float r, float s, float t, float u, float v, float w, float x, float y, float z)
{
    return a * pow(2, 0) + b * pow(2, 1) + c * pow(2, 2) + d * pow(2, 3) + e * pow(2, 4) + f * pow(2, 5) + g * pow(2, 6) + h * pow(2, 7) + i * pow(2, 8) + j * pow(2, 9) + k * pow(2, 10) + l * pow(2, 11) + m * pow(2, 12) + n * pow(2, 13) + o * pow(2, 14) + p * pow(2, 15) + q * pow(2, 16) + r * pow(2, 17) + s * pow(2, 18) + t * pow(2, 19) + u * pow(2, 20) + v * pow(2, 21) + w * pow(2, 22) + x * pow(2, 23) + y * pow(2, 24) + z * pow(2, 25);
}

void testCallFunctionWithHellaFloatArguments()
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();

    Vector<Value*> args;
    for (unsigned i = 0; i < 26; ++i)
        args.append(root->appendNew<ConstFloatValue>(proc, Origin(), i + 1));

    CCallValue* call = root->appendNew<CCallValue>(
        proc, Float, Origin(),
        root->appendNew<ConstPtrValue>(proc, Origin(), bitwise_cast<void*>(functionWithHellaFloatArguments)));
    call->children().appendVector(args);
    
    root->appendNewControlValue(proc, Return, Origin(), call);

    CHECK(compileAndRun<float>(proc) == functionWithHellaFloatArguments(1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26));
}

void testChillDiv(int num, int den, int res)
{
    // Test non-constant.
    {
        Procedure proc;
        BasicBlock* root = proc.addBlock();
        
        root->appendNewControlValue(
            proc, Return, Origin(),
            root->appendNew<Value>(
                proc, chill(Div), Origin(),
                root->appendNew<Value>(
                    proc, Trunc, Origin(),
                    root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0)),
                root->appendNew<Value>(
                    proc, Trunc, Origin(),
                    root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR1))));

        CHECK(compileAndRun<int>(proc, num, den) == res);
    }

    // Test constant.
    {
        Procedure proc;
        BasicBlock* root = proc.addBlock();
        
        root->appendNewControlValue(
            proc, Return, Origin(),
            root->appendNew<Value>(
                proc, chill(Div), Origin(),
                root->appendNew<Const32Value>(proc, Origin(), num),
                root->appendNew<Const32Value>(proc, Origin(), den)));
        
        CHECK(compileAndRun<int>(proc) == res);
    }
}

void testChillDivTwice(int num1, int den1, int num2, int den2, int res)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();

    root->appendNewControlValue(
        proc, Return, Origin(),
        root->appendNew<Value>(
            proc, Add, Origin(),
            root->appendNew<Value>(
                proc, chill(Div), Origin(),
                root->appendNew<Value>(
                    proc, Trunc, Origin(),
                    root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0)),
                root->appendNew<Value>(
                    proc, Trunc, Origin(),
                    root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR1))),
            root->appendNew<Value>(
                proc, chill(Div), Origin(),
                root->appendNew<Value>(
                    proc, Trunc, Origin(),
                    root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR2)),
                root->appendNew<Value>(
                    proc, Trunc, Origin(),
                    root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR3)))));
    
    CHECK(compileAndRun<int>(proc, num1, den1, num2, den2) == res);
}

void testChillDiv64(int64_t num, int64_t den, int64_t res)
{
    if (!is64Bit())
        return;

    // Test non-constant.
    {
        Procedure proc;
        BasicBlock* root = proc.addBlock();
        
        root->appendNewControlValue(
            proc, Return, Origin(),
            root->appendNew<Value>(
                proc, chill(Div), Origin(),
                root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0),
                root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR1)));
        
        CHECK(compileAndRun<int64_t>(proc, num, den) == res);
    }

    // Test constant.
    {
        Procedure proc;
        BasicBlock* root = proc.addBlock();
        
        root->appendNewControlValue(
            proc, Return, Origin(),
            root->appendNew<Value>(
                proc, chill(Div), Origin(),
                root->appendNew<Const64Value>(proc, Origin(), num),
                root->appendNew<Const64Value>(proc, Origin(), den)));
        
        CHECK(compileAndRun<int64_t>(proc) == res);
    }
}

void testModArg(int64_t value)
{
    if (!value)
        return;

    Procedure proc;
    BasicBlock* root = proc.addBlock();

    Value* argument = root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0);
    Value* result = root->appendNew<Value>(proc, Mod, Origin(), argument, argument);
    root->appendNewControlValue(proc, Return, Origin(), result);

    CHECK(!compileAndRun<int64_t>(proc, value));
}

void testModArgs(int64_t numerator, int64_t denominator)
{
    if (!denominator)
        return;
    if (numerator == std::numeric_limits<int64_t>::min() && denominator == -1)
        return;

    Procedure proc;
    BasicBlock* root = proc.addBlock();

    Value* argument1 = root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0);
    Value* argument2 = root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR1);
    Value* result = root->appendNew<Value>(proc, Mod, Origin(), argument1, argument2);
    root->appendNewControlValue(proc, Return, Origin(), result);

    CHECK(compileAndRun<int64_t>(proc, numerator, denominator) == numerator % denominator);
}

void testModImms(int64_t numerator, int64_t denominator)
{
    if (!denominator)
        return;
    if (numerator == std::numeric_limits<int64_t>::min() && denominator == -1)
        return;

    Procedure proc;
    BasicBlock* root = proc.addBlock();

    Value* argument1 = root->appendNew<Const64Value>(proc, Origin(), numerator);
    Value* argument2 = root->appendNew<Const64Value>(proc, Origin(), denominator);
    Value* result = root->appendNew<Value>(proc, Mod, Origin(), argument1, argument2);
    root->appendNewControlValue(proc, Return, Origin(), result);

    CHECK(compileAndRun<int64_t>(proc, numerator, denominator) == numerator % denominator);
}

void testModArg32(int32_t value)
{
    if (!value)
        return;

    Procedure proc;
    BasicBlock* root = proc.addBlock();

    Value* argument = root->appendNew<Value>(proc, Trunc, Origin(),
        root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0));
    Value* result = root->appendNew<Value>(proc, Mod, Origin(), argument, argument);
    root->appendNewControlValue(proc, Return, Origin(), result);

    CHECK(!compileAndRun<int32_t>(proc, value));
}

void testModArgs32(int32_t numerator, int32_t denominator)
{
    if (!denominator)
        return;
    if (numerator == std::numeric_limits<int32_t>::min() && denominator == -1)
        return;

    Procedure proc;
    BasicBlock* root = proc.addBlock();

    Value* argument1 = root->appendNew<Value>(proc, Trunc, Origin(),
        root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0));
    Value* argument2 = root->appendNew<Value>(proc, Trunc, Origin(),
        root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR1));
    Value* result = root->appendNew<Value>(proc, Mod, Origin(), argument1, argument2);
    root->appendNewControlValue(proc, Return, Origin(), result);

    CHECK(compileAndRun<int32_t>(proc, numerator, denominator) == numerator % denominator);
}

void testModImms32(int32_t numerator, int32_t denominator)
{
    if (!denominator)
        return;
    if (numerator == std::numeric_limits<int32_t>::min() && denominator == -1)
        return;

    Procedure proc;
    BasicBlock* root = proc.addBlock();

    Value* argument1 = root->appendNew<Const32Value>(proc, Origin(), numerator);
    Value* argument2 = root->appendNew<Const32Value>(proc, Origin(), denominator);
    Value* result = root->appendNew<Value>(proc, Mod, Origin(), argument1, argument2);
    root->appendNewControlValue(proc, Return, Origin(), result);

    CHECK(compileAndRun<int32_t>(proc, numerator, denominator) == numerator % denominator);
}

void testChillModArg(int64_t value)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();

    Value* argument = root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0);
    Value* result = root->appendNew<Value>(proc, chill(Mod), Origin(), argument, argument);
    root->appendNewControlValue(proc, Return, Origin(), result);

    CHECK(!compileAndRun<int64_t>(proc, value));
}

void testChillModArgs(int64_t numerator, int64_t denominator)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();

    Value* argument1 = root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0);
    Value* argument2 = root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR1);
    Value* result = root->appendNew<Value>(proc, chill(Mod), Origin(), argument1, argument2);
    root->appendNewControlValue(proc, Return, Origin(), result);

    CHECK(compileAndRun<int64_t>(proc, numerator, denominator) == chillMod(numerator, denominator));
}

void testChillModImms(int64_t numerator, int64_t denominator)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();

    Value* argument1 = root->appendNew<Const64Value>(proc, Origin(), numerator);
    Value* argument2 = root->appendNew<Const64Value>(proc, Origin(), denominator);
    Value* result = root->appendNew<Value>(proc, chill(Mod), Origin(), argument1, argument2);
    root->appendNewControlValue(proc, Return, Origin(), result);

    CHECK(compileAndRun<int64_t>(proc, numerator, denominator) == chillMod(numerator, denominator));
}

void testChillModArg32(int32_t value)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();

    Value* argument = root->appendNew<Value>(proc, Trunc, Origin(),
        root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0));
    Value* result = root->appendNew<Value>(proc, chill(Mod), Origin(), argument, argument);
    root->appendNewControlValue(proc, Return, Origin(), result);

    CHECK(!compileAndRun<int32_t>(proc, value));
}

void testChillModArgs32(int32_t numerator, int32_t denominator)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();

    Value* argument1 = root->appendNew<Value>(proc, Trunc, Origin(),
        root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0));
    Value* argument2 = root->appendNew<Value>(proc, Trunc, Origin(),
        root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR1));
    Value* result = root->appendNew<Value>(proc, chill(Mod), Origin(), argument1, argument2);
    root->appendNewControlValue(proc, Return, Origin(), result);

    CHECK(compileAndRun<int32_t>(proc, numerator, denominator) == chillMod(numerator, denominator));
}

void testChillModImms32(int32_t numerator, int32_t denominator)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();

    Value* argument1 = root->appendNew<Const32Value>(proc, Origin(), numerator);
    Value* argument2 = root->appendNew<Const32Value>(proc, Origin(), denominator);
    Value* result = root->appendNew<Value>(proc, chill(Mod), Origin(), argument1, argument2);
    root->appendNewControlValue(proc, Return, Origin(), result);

    CHECK(compileAndRun<int32_t>(proc, numerator, denominator) == chillMod(numerator, denominator));
}

void testSwitch(unsigned degree, unsigned gap = 1)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();

    BasicBlock* terminate = proc.addBlock();
    terminate->appendNewControlValue(
        proc, Return, Origin(),
        terminate->appendNew<Const32Value>(proc, Origin(), 0));

    SwitchValue* switchValue = root->appendNew<SwitchValue>(
        proc, Origin(), root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0));
    switchValue->setFallThrough(FrequentedBlock(terminate));

    for (unsigned i = 0; i < degree; ++i) {
        BasicBlock* newBlock = proc.addBlock();
        newBlock->appendNewControlValue(
            proc, Return, Origin(),
            newBlock->appendNew<ArgumentRegValue>(
                proc, Origin(), (i & 1) ? GPRInfo::argumentGPR2 : GPRInfo::argumentGPR1));
        switchValue->appendCase(SwitchCase(gap * i, FrequentedBlock(newBlock)));
    }

    auto code = compile(proc);

    for (unsigned i = 0; i < degree; ++i) {
        CHECK(invoke<int32_t>(*code, i * gap, 42, 11) == ((i & 1) ? 11 : 42));
        if (gap > 1) {
            CHECK(!invoke<int32_t>(*code, i * gap + 1, 42, 11));
            CHECK(!invoke<int32_t>(*code, i * gap - 1, 42, 11));
        }
    }

    CHECK(!invoke<int32_t>(*code, -1, 42, 11));
    CHECK(!invoke<int32_t>(*code, degree * gap, 42, 11));
    CHECK(!invoke<int32_t>(*code, degree * gap + 1, 42, 11));
}

void testSwitchChillDiv(unsigned degree, unsigned gap = 1)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();

    Value* left = root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR1);
    Value* right = root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR2);

    BasicBlock* terminate = proc.addBlock();
    terminate->appendNewControlValue(
        proc, Return, Origin(),
        terminate->appendNew<Const32Value>(proc, Origin(), 0));

    SwitchValue* switchValue = root->appendNew<SwitchValue>(
        proc, Origin(), root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0));
    switchValue->setFallThrough(FrequentedBlock(terminate));

    for (unsigned i = 0; i < degree; ++i) {
        BasicBlock* newBlock = proc.addBlock();

        newBlock->appendNewControlValue(
            proc, Return, Origin(),
            newBlock->appendNew<Value>(
                proc, chill(Div), Origin(), (i & 1) ? right : left, (i & 1) ? left : right));
        
        switchValue->appendCase(SwitchCase(gap * i, FrequentedBlock(newBlock)));
    }

    auto code = compile(proc);

    for (unsigned i = 0; i < degree; ++i) {
        dataLog("i = ", i, "\n");
        int32_t result = invoke<int32_t>(*code, i * gap, 42, 11);
        dataLog("result = ", result, "\n");
        CHECK(result == ((i & 1) ? 11/42 : 42/11));
        if (gap > 1) {
            CHECK(!invoke<int32_t>(*code, i * gap + 1, 42, 11));
            CHECK(!invoke<int32_t>(*code, i * gap - 1, 42, 11));
        }
    }

    CHECK(!invoke<int32_t>(*code, -1, 42, 11));
    CHECK(!invoke<int32_t>(*code, degree * gap, 42, 11));
    CHECK(!invoke<int32_t>(*code, degree * gap + 1, 42, 11));
}

void testSwitchTargettingSameBlock()
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();

    BasicBlock* terminate = proc.addBlock();
    terminate->appendNewControlValue(
        proc, Return, Origin(),
        terminate->appendNew<Const32Value>(proc, Origin(), 5));

    SwitchValue* switchValue = root->appendNew<SwitchValue>(
        proc, Origin(), root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0));
    switchValue->setFallThrough(FrequentedBlock(terminate));

    BasicBlock* otherTarget = proc.addBlock();
    otherTarget->appendNewControlValue(
        proc, Return, Origin(),
        otherTarget->appendNew<Const32Value>(proc, Origin(), 42));
    switchValue->appendCase(SwitchCase(3, FrequentedBlock(otherTarget)));
    switchValue->appendCase(SwitchCase(13, FrequentedBlock(otherTarget)));

    auto code = compile(proc);

    for (unsigned i = 0; i < 20; ++i) {
        int32_t expected = (i == 3 || i == 13) ? 42 : 5;
        CHECK(invoke<int32_t>(*code, i) == expected);
    }
}

void testSwitchTargettingSameBlockFoldPathConstant()
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();

    BasicBlock* terminate = proc.addBlock();
    terminate->appendNewControlValue(
        proc, Return, Origin(),
        terminate->appendNew<Const32Value>(proc, Origin(), 42));

    Value* argument = root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0);
    SwitchValue* switchValue = root->appendNew<SwitchValue>(proc, Origin(), argument);
    switchValue->setFallThrough(FrequentedBlock(terminate));

    BasicBlock* otherTarget = proc.addBlock();
    otherTarget->appendNewControlValue(
        proc, Return, Origin(), argument);
    switchValue->appendCase(SwitchCase(3, FrequentedBlock(otherTarget)));
    switchValue->appendCase(SwitchCase(13, FrequentedBlock(otherTarget)));

    auto code = compile(proc);

    for (unsigned i = 0; i < 20; ++i) {
        int32_t expected = (i == 3 || i == 13) ? i : 42;
        CHECK(invoke<int32_t>(*code, i) == expected);
    }
}

void testTruncFold(int64_t value)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    root->appendNewControlValue(
        proc, Return, Origin(),
        root->appendNew<Value>(
            proc, Trunc, Origin(),
            root->appendNew<Const64Value>(proc, Origin(), value)));

    CHECK(compileAndRun<int>(proc) == static_cast<int>(value));
}

void testZExt32(int32_t value)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    root->appendNewControlValue(
        proc, Return, Origin(),
        root->appendNew<Value>(
            proc, ZExt32, Origin(),
            root->appendNew<Value>(
                proc, Trunc, Origin(),
                root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0))));

    CHECK(compileAndRun<uint64_t>(proc, value) == static_cast<uint64_t>(static_cast<uint32_t>(value)));
}

void testZExt32Fold(int32_t value)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    root->appendNewControlValue(
        proc, Return, Origin(),
        root->appendNew<Value>(
            proc, ZExt32, Origin(),
            root->appendNew<Const32Value>(proc, Origin(), value)));

    CHECK(compileAndRun<uint64_t>(proc, value) == static_cast<uint64_t>(static_cast<uint32_t>(value)));
}

void testSExt32(int32_t value)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    root->appendNewControlValue(
        proc, Return, Origin(),
        root->appendNew<Value>(
            proc, SExt32, Origin(),
            root->appendNew<Value>(
                proc, Trunc, Origin(),
                root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0))));

    CHECK(compileAndRun<int64_t>(proc, value) == static_cast<int64_t>(value));
}

void testSExt32Fold(int32_t value)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    root->appendNewControlValue(
        proc, Return, Origin(),
        root->appendNew<Value>(
            proc, SExt32, Origin(),
            root->appendNew<Const32Value>(proc, Origin(), value)));

    CHECK(compileAndRun<int64_t>(proc, value) == static_cast<int64_t>(value));
}

void testTruncZExt32(int32_t value)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    root->appendNewControlValue(
        proc, Return, Origin(),
        root->appendNew<Value>(
            proc, Trunc, Origin(),
            root->appendNew<Value>(
                proc, ZExt32, Origin(),
                root->appendNew<Value>(
                    proc, Trunc, Origin(),
                    root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0)))));

    CHECK(compileAndRun<int32_t>(proc, value) == value);
}

void testTruncSExt32(int32_t value)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    root->appendNewControlValue(
        proc, Return, Origin(),
        root->appendNew<Value>(
            proc, Trunc, Origin(),
            root->appendNew<Value>(
                proc, SExt32, Origin(),
                root->appendNew<Value>(
                    proc, Trunc, Origin(),
                    root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0)))));

    CHECK(compileAndRun<int32_t>(proc, value) == value);
}

void testSExt8(int32_t value)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    root->appendNewControlValue(
        proc, Return, Origin(),
        root->appendNew<Value>(
            proc, SExt8, Origin(),
            root->appendNew<Value>(
                proc, Trunc, Origin(),
                root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0))));

    CHECK(compileAndRun<int32_t>(proc, value) == static_cast<int32_t>(static_cast<int8_t>(value)));
}

void testSExt8Fold(int32_t value)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    root->appendNewControlValue(
        proc, Return, Origin(),
        root->appendNew<Value>(
            proc, SExt8, Origin(),
            root->appendNew<Const32Value>(proc, Origin(), value)));

    CHECK(compileAndRun<int32_t>(proc) == static_cast<int32_t>(static_cast<int8_t>(value)));
}

void testSExt8SExt8(int32_t value)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    root->appendNewControlValue(
        proc, Return, Origin(),
        root->appendNew<Value>(
            proc, SExt8, Origin(),
            root->appendNew<Value>(
                proc, SExt8, Origin(),
                root->appendNew<Value>(
                    proc, Trunc, Origin(),
                    root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0)))));

    CHECK(compileAndRun<int32_t>(proc, value) == static_cast<int32_t>(static_cast<int8_t>(value)));
}

void testSExt8SExt16(int32_t value)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    root->appendNewControlValue(
        proc, Return, Origin(),
        root->appendNew<Value>(
            proc, SExt8, Origin(),
            root->appendNew<Value>(
                proc, SExt16, Origin(),
                root->appendNew<Value>(
                    proc, Trunc, Origin(),
                    root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0)))));

    CHECK(compileAndRun<int32_t>(proc, value) == static_cast<int32_t>(static_cast<int8_t>(value)));
}

void testSExt8BitAnd(int32_t value, int32_t mask)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    root->appendNewControlValue(
        proc, Return, Origin(),
        root->appendNew<Value>(
            proc, SExt8, Origin(),
            root->appendNew<Value>(
                proc, BitAnd, Origin(),
                root->appendNew<Value>(
                    proc, Trunc, Origin(),
                    root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0)),
                root->appendNew<Const32Value>(proc, Origin(), mask))));

    CHECK(compileAndRun<int32_t>(proc, value) == static_cast<int32_t>(static_cast<int8_t>(value & mask)));
}

void testBitAndSExt8(int32_t value, int32_t mask)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    root->appendNewControlValue(
        proc, Return, Origin(),
        root->appendNew<Value>(
            proc, BitAnd, Origin(),
            root->appendNew<Value>(
                proc, SExt8, Origin(),
                root->appendNew<Value>(
                    proc, Trunc, Origin(),
                    root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0))),
            root->appendNew<Const32Value>(proc, Origin(), mask)));

    CHECK(compileAndRun<int32_t>(proc, value) == (static_cast<int32_t>(static_cast<int8_t>(value)) & mask));
}

void testSExt16(int32_t value)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    root->appendNewControlValue(
        proc, Return, Origin(),
        root->appendNew<Value>(
            proc, SExt16, Origin(),
            root->appendNew<Value>(
                proc, Trunc, Origin(),
                root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0))));

    CHECK(compileAndRun<int32_t>(proc, value) == static_cast<int32_t>(static_cast<int16_t>(value)));
}

void testSExt16Fold(int32_t value)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    root->appendNewControlValue(
        proc, Return, Origin(),
        root->appendNew<Value>(
            proc, SExt16, Origin(),
            root->appendNew<Const32Value>(proc, Origin(), value)));

    CHECK(compileAndRun<int32_t>(proc) == static_cast<int32_t>(static_cast<int16_t>(value)));
}

void testSExt16SExt16(int32_t value)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    root->appendNewControlValue(
        proc, Return, Origin(),
        root->appendNew<Value>(
            proc, SExt16, Origin(),
            root->appendNew<Value>(
                proc, SExt16, Origin(),
                root->appendNew<Value>(
                    proc, Trunc, Origin(),
                    root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0)))));

    CHECK(compileAndRun<int32_t>(proc, value) == static_cast<int32_t>(static_cast<int16_t>(value)));
}

void testSExt16SExt8(int32_t value)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    root->appendNewControlValue(
        proc, Return, Origin(),
        root->appendNew<Value>(
            proc, SExt16, Origin(),
            root->appendNew<Value>(
                proc, SExt8, Origin(),
                root->appendNew<Value>(
                    proc, Trunc, Origin(),
                    root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0)))));

    CHECK(compileAndRun<int32_t>(proc, value) == static_cast<int32_t>(static_cast<int8_t>(value)));
}

void testSExt16BitAnd(int32_t value, int32_t mask)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    root->appendNewControlValue(
        proc, Return, Origin(),
        root->appendNew<Value>(
            proc, SExt16, Origin(),
            root->appendNew<Value>(
                proc, BitAnd, Origin(),
                root->appendNew<Value>(
                    proc, Trunc, Origin(),
                    root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0)),
                root->appendNew<Const32Value>(proc, Origin(), mask))));

    CHECK(compileAndRun<int32_t>(proc, value) == static_cast<int32_t>(static_cast<int16_t>(value & mask)));
}

void testBitAndSExt16(int32_t value, int32_t mask)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    root->appendNewControlValue(
        proc, Return, Origin(),
        root->appendNew<Value>(
            proc, BitAnd, Origin(),
            root->appendNew<Value>(
                proc, SExt16, Origin(),
                root->appendNew<Value>(
                    proc, Trunc, Origin(),
                    root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0))),
            root->appendNew<Const32Value>(proc, Origin(), mask)));

    CHECK(compileAndRun<int32_t>(proc, value) == (static_cast<int32_t>(static_cast<int16_t>(value)) & mask));
}

void testSExt32BitAnd(int32_t value, int32_t mask)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    root->appendNewControlValue(
        proc, Return, Origin(),
        root->appendNew<Value>(
            proc, SExt32, Origin(),
            root->appendNew<Value>(
                proc, BitAnd, Origin(),
                root->appendNew<Value>(
                    proc, Trunc, Origin(),
                    root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0)),
                root->appendNew<Const32Value>(proc, Origin(), mask))));

    CHECK(compileAndRun<int64_t>(proc, value) == static_cast<int64_t>(value & mask));
}

void testBitAndSExt32(int32_t value, int64_t mask)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    root->appendNewControlValue(
        proc, Return, Origin(),
        root->appendNew<Value>(
            proc, BitAnd, Origin(),
            root->appendNew<Value>(
                proc, SExt32, Origin(),
                root->appendNew<Value>(
                    proc, Trunc, Origin(),
                    root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0))),
            root->appendNew<Const64Value>(proc, Origin(), mask)));

    CHECK(compileAndRun<int64_t>(proc, value) == (static_cast<int64_t>(value) & mask));
}

void testBasicSelect()
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    root->appendNewControlValue(
        proc, Return, Origin(),
        root->appendNew<Value>(
            proc, Select, Origin(),
            root->appendNew<Value>(
                proc, Equal, Origin(),
                root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0),
                root->appendNew<ConstPtrValue>(proc, Origin(), 42)),
            root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR1),
            root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR2)));

    auto code = compile(proc);
    CHECK(invoke<intptr_t>(*code, 42, 1, 2) == 1);
    CHECK(invoke<intptr_t>(*code, 42, 642462, 32533) == 642462);
    CHECK(invoke<intptr_t>(*code, 43, 1, 2) == 2);
    CHECK(invoke<intptr_t>(*code, 43, 642462, 32533) == 32533);
}

void testSelectTest()
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    root->appendNewControlValue(
        proc, Return, Origin(),
        root->appendNew<Value>(
            proc, Select, Origin(),
            root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0),
            root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR1),
            root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR2)));

    auto code = compile(proc);
    CHECK(invoke<intptr_t>(*code, 42, 1, 2) == 1);
    CHECK(invoke<intptr_t>(*code, 42, 642462, 32533) == 642462);
    CHECK(invoke<intptr_t>(*code, 0, 1, 2) == 2);
    CHECK(invoke<intptr_t>(*code, 0, 642462, 32533) == 32533);
}

void testSelectCompareDouble()
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    root->appendNewControlValue(
        proc, Return, Origin(),
        root->appendNew<Value>(
            proc, Select, Origin(),
            root->appendNew<Value>(
                proc, LessThan, Origin(),
                root->appendNew<ArgumentRegValue>(proc, Origin(), FPRInfo::argumentFPR0),
                root->appendNew<ArgumentRegValue>(proc, Origin(), FPRInfo::argumentFPR1)),
            root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0),
            root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR1)));

    auto code = compile(proc);
    CHECK(invoke<intptr_t>(*code, -1.0, 1.0, 1, 2) == 1);
    CHECK(invoke<intptr_t>(*code, 42.5, 42.51, 642462, 32533) == 642462);
    CHECK(invoke<intptr_t>(*code, PNaN, 0.0, 1, 2) == 2);
    CHECK(invoke<intptr_t>(*code, 42.51, 42.5, 642462, 32533) == 32533);
    CHECK(invoke<intptr_t>(*code, 42.52, 42.52, 524978245, 352) == 352);
}

template<B3::Opcode opcode>
void testSelectCompareFloat(float a, float b, bool (*operation)(float, float))
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    Value* argument1int32 = root->appendNew<Value>(proc, Trunc, Origin(),
        root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0));
    Value* argument2int32 = root->appendNew<Value>(proc, Trunc, Origin(),
        root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR1));
    Value* floatValue1 = root->appendNew<Value>(proc, BitwiseCast, Origin(), argument1int32);
    Value* floatValue2 = root->appendNew<Value>(proc, BitwiseCast, Origin(), argument2int32);

    root->appendNewControlValue(
        proc, Return, Origin(),
        root->appendNew<Value>(
            proc, Select, Origin(),
            root->appendNew<Value>(
                proc, opcode, Origin(),
                floatValue1,
                floatValue2),
            root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR2),
            root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR3)));
    CHECK(isIdentical(compileAndRun<int32_t>(proc, bitwise_cast<int32_t>(a), bitwise_cast<int32_t>(b), 42, -5), operation(a, b) ? 42 : -5));
}

void testSelectCompareFloat(float a, float b)
{
    testSelectCompareFloat<Equal>(a, b, [](float a, float b) -> bool { return a == b; });
    testSelectCompareFloat<NotEqual>(a, b, [](float a, float b) -> bool { return a != b; });
    testSelectCompareFloat<LessThan>(a, b, [](float a, float b) -> bool { return a < b; });
    testSelectCompareFloat<GreaterThan>(a, b, [](float a, float b) -> bool { return a > b; });
    testSelectCompareFloat<LessEqual>(a, b, [](float a, float b) -> bool { return a <= b; });
    testSelectCompareFloat<GreaterEqual>(a, b, [](float a, float b) -> bool { return a >= b; });
    testSelectCompareFloat<EqualOrUnordered>(a, b, [](float a, float b) -> bool { return a != a || b != b || a == b; });
}

template<B3::Opcode opcode>
void testSelectCompareFloatToDouble(float a, float b, bool (*operation)(float, float))
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    Value* argument1int32 = root->appendNew<Value>(proc, Trunc, Origin(),
        root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0));
    Value* argument2int32 = root->appendNew<Value>(proc, Trunc, Origin(),
        root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR1));
    Value* floatValue1 = root->appendNew<Value>(proc, BitwiseCast, Origin(), argument1int32);
    Value* floatValue2 = root->appendNew<Value>(proc, BitwiseCast, Origin(), argument2int32);
    Value* doubleValue1 = root->appendNew<Value>(proc, FloatToDouble, Origin(), floatValue1);
    Value* doubleValue2 = root->appendNew<Value>(proc, FloatToDouble, Origin(), floatValue2);

    root->appendNewControlValue(
        proc, Return, Origin(),
        root->appendNew<Value>(
            proc, Select, Origin(),
            root->appendNew<Value>(
                proc, opcode, Origin(),
                doubleValue1,
                doubleValue2),
            root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR2),
            root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR3)));
    CHECK(isIdentical(compileAndRun<int32_t>(proc, bitwise_cast<int32_t>(a), bitwise_cast<int32_t>(b), 42, -5), operation(a, b) ? 42 : -5));
}

void testSelectCompareFloatToDouble(float a, float b)
{
    testSelectCompareFloatToDouble<Equal>(a, b, [](float a, float b) -> bool { return a == b; });
    testSelectCompareFloatToDouble<NotEqual>(a, b, [](float a, float b) -> bool { return a != b; });
    testSelectCompareFloatToDouble<LessThan>(a, b, [](float a, float b) -> bool { return a < b; });
    testSelectCompareFloatToDouble<GreaterThan>(a, b, [](float a, float b) -> bool { return a > b; });
    testSelectCompareFloatToDouble<LessEqual>(a, b, [](float a, float b) -> bool { return a <= b; });
    testSelectCompareFloatToDouble<GreaterEqual>(a, b, [](float a, float b) -> bool { return a >= b; });
    testSelectCompareFloatToDouble<EqualOrUnordered>(a, b, [](float a, float b) -> bool { return a != a || b != b || a == b; });
}

void testSelectDouble()
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    root->appendNewControlValue(
        proc, Return, Origin(),
        root->appendNew<Value>(
            proc, Select, Origin(),
            root->appendNew<Value>(
                proc, Equal, Origin(),
                root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0),
                root->appendNew<ConstPtrValue>(proc, Origin(), 42)),
            root->appendNew<ArgumentRegValue>(proc, Origin(), FPRInfo::argumentFPR0),
            root->appendNew<ArgumentRegValue>(proc, Origin(), FPRInfo::argumentFPR1)));

    auto code = compile(proc);
    CHECK(invoke<double>(*code, 42, 1.5, 2.6) == 1.5);
    CHECK(invoke<double>(*code, 42, 642462.7, 32533.8) == 642462.7);
    CHECK(invoke<double>(*code, 43, 1.9, 2.0) == 2.0);
    CHECK(invoke<double>(*code, 43, 642462.1, 32533.2) == 32533.2);
}

void testSelectDoubleTest()
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    root->appendNewControlValue(
        proc, Return, Origin(),
        root->appendNew<Value>(
            proc, Select, Origin(),
            root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0),
            root->appendNew<ArgumentRegValue>(proc, Origin(), FPRInfo::argumentFPR0),
            root->appendNew<ArgumentRegValue>(proc, Origin(), FPRInfo::argumentFPR1)));

    auto code = compile(proc);
    CHECK(invoke<double>(*code, 42, 1.5, 2.6) == 1.5);
    CHECK(invoke<double>(*code, 42, 642462.7, 32533.8) == 642462.7);
    CHECK(invoke<double>(*code, 0, 1.9, 2.0) == 2.0);
    CHECK(invoke<double>(*code, 0, 642462.1, 32533.2) == 32533.2);
}

void testSelectDoubleCompareDouble()
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    root->appendNewControlValue(
        proc, Return, Origin(),
        root->appendNew<Value>(
            proc, Select, Origin(),
            root->appendNew<Value>(
                proc, LessThan, Origin(),
                root->appendNew<ArgumentRegValue>(proc, Origin(), FPRInfo::argumentFPR0),
                root->appendNew<ArgumentRegValue>(proc, Origin(), FPRInfo::argumentFPR1)),
            root->appendNew<ArgumentRegValue>(proc, Origin(), FPRInfo::argumentFPR2),
            root->appendNew<ArgumentRegValue>(proc, Origin(), FPRInfo::argumentFPR3)));

    auto code = compile(proc);
    CHECK(invoke<double>(*code, -1.0, 1.0, 1.1, 2.2) == 1.1);
    CHECK(invoke<double>(*code, 42.5, 42.51, 642462.3, 32533.4) == 642462.3);
    CHECK(invoke<double>(*code, PNaN, 0.0, 1.5, 2.6) == 2.6);
    CHECK(invoke<double>(*code, 42.51, 42.5, 642462.7, 32533.8) == 32533.8);
    CHECK(invoke<double>(*code, 42.52, 42.52, 524978245.9, 352.0) == 352.0);
}

void testSelectDoubleCompareFloat(float a, float b)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    Value* argument1int32 = root->appendNew<Value>(proc, Trunc, Origin(),
        root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0));
    Value* argument2int32 = root->appendNew<Value>(proc, Trunc, Origin(),
        root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR1));
    Value* floatValue1 = root->appendNew<Value>(proc, BitwiseCast, Origin(), argument1int32);
    Value* floatValue2 = root->appendNew<Value>(proc, BitwiseCast, Origin(), argument2int32);

    root->appendNewControlValue(
        proc, Return, Origin(),
        root->appendNew<Value>(
            proc, Select, Origin(),
            root->appendNew<Value>(
                proc, LessThan, Origin(),
                floatValue1,
                floatValue2),
            root->appendNew<ArgumentRegValue>(proc, Origin(), FPRInfo::argumentFPR0),
            root->appendNew<ArgumentRegValue>(proc, Origin(), FPRInfo::argumentFPR1)));

    CHECK(isIdentical(compileAndRun<double>(proc, bitwise_cast<int32_t>(a), bitwise_cast<int32_t>(b), 42.1, -M_PI), a < b ? 42.1 : -M_PI));
}

void testSelectFloatCompareFloat(float a, float b)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    Value* argument1int32 = root->appendNew<Value>(proc, Trunc, Origin(),
        root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0));
    Value* argument2int32 = root->appendNew<Value>(proc, Trunc, Origin(),
        root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR1));
    Value* argument3int32 = root->appendNew<Value>(proc, Trunc, Origin(),
        root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR2));
    Value* argument4int32 = root->appendNew<Value>(proc, Trunc, Origin(),
        root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR3));
    Value* floatValue1 = root->appendNew<Value>(proc, BitwiseCast, Origin(), argument1int32);
    Value* floatValue2 = root->appendNew<Value>(proc, BitwiseCast, Origin(), argument2int32);
    Value* floatValue3 = root->appendNew<Value>(proc, BitwiseCast, Origin(), argument3int32);
    Value* floatValue4 = root->appendNew<Value>(proc, BitwiseCast, Origin(), argument4int32);

    root->appendNewControlValue(
        proc, Return, Origin(),
        root->appendNew<Value>(
            proc, Select, Origin(),
            root->appendNew<Value>(
                proc, LessThan, Origin(),
                floatValue1,
                floatValue2),
            floatValue3,
            floatValue4));

    CHECK(isIdentical(compileAndRun<float>(proc, bitwise_cast<int32_t>(a), bitwise_cast<int32_t>(b), bitwise_cast<int32_t>(1.1f), bitwise_cast<int32_t>(-42.f)), a < b ? 1.1f : -42.f));
}


template<B3::Opcode opcode>
void testSelectDoubleCompareDouble(bool (*operation)(double, double))
{
    { // Compare arguments and selected arguments are all different.
        Procedure proc;
        BasicBlock* root = proc.addBlock();
        Value* arg0 = root->appendNew<ArgumentRegValue>(proc, Origin(), FPRInfo::argumentFPR0);
        Value* arg1 = root->appendNew<ArgumentRegValue>(proc, Origin(), FPRInfo::argumentFPR1);
        Value* arg2 = root->appendNew<ArgumentRegValue>(proc, Origin(), FPRInfo::argumentFPR2);
        Value* arg3 = root->appendNew<ArgumentRegValue>(proc, Origin(), FPRInfo::argumentFPR3);

        root->appendNewControlValue(
            proc, Return, Origin(),
            root->appendNew<Value>(
                proc, Select, Origin(),
                root->appendNew<Value>(
                    proc, opcode, Origin(),
                    arg0,
                    arg1),
                arg2,
                arg3));
        auto code = compile(proc);

        for (auto& left : floatingPointOperands<double>()) {
            for (auto& right : floatingPointOperands<double>()) {
                double expected = operation(left.value, right.value) ? 42.5 : -66.5;
                CHECK(isIdentical(invoke<double>(*code, left.value, right.value, 42.5, -66.5), expected));
            }
        }
    }
    { // Compare arguments and selected arguments are all different. "thenCase" is live after operation.
        Procedure proc;
        BasicBlock* root = proc.addBlock();
        Value* arg0 = root->appendNew<ArgumentRegValue>(proc, Origin(), FPRInfo::argumentFPR0);
        Value* arg1 = root->appendNew<ArgumentRegValue>(proc, Origin(), FPRInfo::argumentFPR1);
        Value* arg2 = root->appendNew<ArgumentRegValue>(proc, Origin(), FPRInfo::argumentFPR2);
        Value* arg3 = root->appendNew<ArgumentRegValue>(proc, Origin(), FPRInfo::argumentFPR3);

        Value* result = root->appendNew<Value>(proc, Select, Origin(),
            root->appendNew<Value>(proc, opcode, Origin(), arg0, arg1),
            arg2,
            arg3);

        PatchpointValue* keepValuesLive = root->appendNew<PatchpointValue>(proc, Void, Origin());
        keepValuesLive->append(ConstrainedValue(arg2, ValueRep::SomeRegister));
        keepValuesLive->setGenerator([&] (CCallHelpers&, const StackmapGenerationParams&) { });

        root->appendNewControlValue(proc, Return, Origin(), result);
        auto code = compile(proc);

        for (auto& left : floatingPointOperands<double>()) {
            for (auto& right : floatingPointOperands<double>()) {
                double expected = operation(left.value, right.value) ? 42.5 : -66.5;
                CHECK(isIdentical(invoke<double>(*code, left.value, right.value, 42.5, -66.5), expected));
            }
        }
    }
    { // Compare arguments and selected arguments are all different. "elseCase" is live after operation.
        Procedure proc;
        BasicBlock* root = proc.addBlock();
        Value* arg0 = root->appendNew<ArgumentRegValue>(proc, Origin(), FPRInfo::argumentFPR0);
        Value* arg1 = root->appendNew<ArgumentRegValue>(proc, Origin(), FPRInfo::argumentFPR1);
        Value* arg2 = root->appendNew<ArgumentRegValue>(proc, Origin(), FPRInfo::argumentFPR2);
        Value* arg3 = root->appendNew<ArgumentRegValue>(proc, Origin(), FPRInfo::argumentFPR3);

        Value* result = root->appendNew<Value>(proc, Select, Origin(),
            root->appendNew<Value>(proc, opcode, Origin(), arg0, arg1),
            arg2,
            arg3);

        PatchpointValue* keepValuesLive = root->appendNew<PatchpointValue>(proc, Void, Origin());
        keepValuesLive->append(ConstrainedValue(arg3, ValueRep::SomeRegister));
        keepValuesLive->setGenerator([&] (CCallHelpers&, const StackmapGenerationParams&) { });

        root->appendNewControlValue(proc, Return, Origin(), result);
        auto code = compile(proc);

        for (auto& left : floatingPointOperands<double>()) {
            for (auto& right : floatingPointOperands<double>()) {
                double expected = operation(left.value, right.value) ? 42.5 : -66.5;
                CHECK(isIdentical(invoke<double>(*code, left.value, right.value, 42.5, -66.5), expected));
            }
        }
    }
    { // Compare arguments and selected arguments are all different. Both cases are live after operation.
        Procedure proc;
        BasicBlock* root = proc.addBlock();
        Value* arg0 = root->appendNew<ArgumentRegValue>(proc, Origin(), FPRInfo::argumentFPR0);
        Value* arg1 = root->appendNew<ArgumentRegValue>(proc, Origin(), FPRInfo::argumentFPR1);
        Value* arg2 = root->appendNew<ArgumentRegValue>(proc, Origin(), FPRInfo::argumentFPR2);
        Value* arg3 = root->appendNew<ArgumentRegValue>(proc, Origin(), FPRInfo::argumentFPR3);

        Value* result = root->appendNew<Value>(proc, Select, Origin(),
            root->appendNew<Value>(proc, opcode, Origin(), arg0, arg1),
            arg2,
            arg3);

        PatchpointValue* keepValuesLive = root->appendNew<PatchpointValue>(proc, Void, Origin());
        keepValuesLive->append(ConstrainedValue(arg2, ValueRep::SomeRegister));
        keepValuesLive->append(ConstrainedValue(arg3, ValueRep::SomeRegister));
        keepValuesLive->setGenerator([&] (CCallHelpers&, const StackmapGenerationParams&) { });

        root->appendNewControlValue(proc, Return, Origin(), result);
        auto code = compile(proc);

        for (auto& left : floatingPointOperands<double>()) {
            for (auto& right : floatingPointOperands<double>()) {
                double expected = operation(left.value, right.value) ? 42.5 : -66.5;
                CHECK(isIdentical(invoke<double>(*code, left.value, right.value, 42.5, -66.5), expected));
            }
        }
    }
    { // The left argument is the same as the "elseCase" argument.
        Procedure proc;
        BasicBlock* root = proc.addBlock();
        Value* arg0 = root->appendNew<ArgumentRegValue>(proc, Origin(), FPRInfo::argumentFPR0);
        Value* arg1 = root->appendNew<ArgumentRegValue>(proc, Origin(), FPRInfo::argumentFPR1);
        Value* arg2 = root->appendNew<ArgumentRegValue>(proc, Origin(), FPRInfo::argumentFPR2);

        root->appendNewControlValue(
            proc, Return, Origin(),
            root->appendNew<Value>(
                proc, Select, Origin(),
                root->appendNew<Value>(
                    proc, opcode, Origin(),
                    arg0,
                    arg1),
                arg2,
                arg0));
        auto code = compile(proc);

        for (auto& left : floatingPointOperands<double>()) {
            for (auto& right : floatingPointOperands<double>()) {
                double expected = operation(left.value, right.value) ? 42.5 : left.value;
                CHECK(isIdentical(invoke<double>(*code, left.value, right.value, 42.5, left.value), expected));
            }
        }
    }
    { // The left argument is the same as the "elseCase" argument. "thenCase" is live after operation.
        Procedure proc;
        BasicBlock* root = proc.addBlock();
        Value* arg0 = root->appendNew<ArgumentRegValue>(proc, Origin(), FPRInfo::argumentFPR0);
        Value* arg1 = root->appendNew<ArgumentRegValue>(proc, Origin(), FPRInfo::argumentFPR1);
        Value* arg2 = root->appendNew<ArgumentRegValue>(proc, Origin(), FPRInfo::argumentFPR2);

        Value* result = root->appendNew<Value>(proc, Select, Origin(),
            root->appendNew<Value>(proc, opcode, Origin(), arg0, arg1),
            arg2,
            arg0);

        PatchpointValue* keepValuesLive = root->appendNew<PatchpointValue>(proc, Void, Origin());
        keepValuesLive->append(ConstrainedValue(arg2, ValueRep::SomeRegister));
        keepValuesLive->setGenerator([&] (CCallHelpers&, const StackmapGenerationParams&) { });

        root->appendNewControlValue(proc, Return, Origin(), result);
        auto code = compile(proc);

        for (auto& left : floatingPointOperands<double>()) {
            for (auto& right : floatingPointOperands<double>()) {
                double expected = operation(left.value, right.value) ? 42.5 : left.value;
                CHECK(isIdentical(invoke<double>(*code, left.value, right.value, 42.5, left.value), expected));
            }
        }
    }
}

void testSelectDoubleCompareDoubleWithAliasing()
{
    testSelectDoubleCompareDouble<Equal>([](double a, double b) -> bool { return a == b; });
    testSelectDoubleCompareDouble<NotEqual>([](double a, double b) -> bool { return a != b; });
    testSelectDoubleCompareDouble<LessThan>([](double a, double b) -> bool { return a < b; });
    testSelectDoubleCompareDouble<GreaterThan>([](double a, double b) -> bool { return a > b; });
    testSelectDoubleCompareDouble<LessEqual>([](double a, double b) -> bool { return a <= b; });
    testSelectDoubleCompareDouble<GreaterEqual>([](double a, double b) -> bool { return a >= b; });
    testSelectDoubleCompareDouble<EqualOrUnordered>([](double a, double b) -> bool { return a != a || b != b || a == b; });
}

template<B3::Opcode opcode>
void testSelectFloatCompareFloat(bool (*operation)(float, float))
{
    { // Compare arguments and selected arguments are all different.
        Procedure proc;
        BasicBlock* root = proc.addBlock();

        Value* arg0 = root->appendNew<Value>(proc, BitwiseCast, Origin(),
            root->appendNew<Value>(proc, Trunc, Origin(),
                root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0)));
        Value* arg1 = root->appendNew<Value>(proc, BitwiseCast, Origin(),
            root->appendNew<Value>(proc, Trunc, Origin(),
                root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR1)));
        Value* arg2 = root->appendNew<Value>(proc, BitwiseCast, Origin(),
            root->appendNew<Value>(proc, Trunc, Origin(),
                root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR2)));
        Value* arg3 = root->appendNew<Value>(proc, BitwiseCast, Origin(),
            root->appendNew<Value>(proc, Trunc, Origin(),
                root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR3)));

        root->appendNewControlValue(
            proc, Return, Origin(),
            root->appendNew<Value>(
                proc, Select, Origin(),
                root->appendNew<Value>(
                    proc, opcode, Origin(),
                    arg0,
                    arg1),
                arg2,
                arg3));
        auto code = compile(proc);

        for (auto& left : floatingPointOperands<float>()) {
            for (auto& right : floatingPointOperands<float>()) {
                float expected = operation(left.value, right.value) ? 42.5 : -66.5;
                CHECK(isIdentical(invoke<float>(*code, bitwise_cast<int32_t>(left.value), bitwise_cast<int32_t>(right.value), bitwise_cast<int32_t>(42.5f), bitwise_cast<int32_t>(-66.5f)), expected));
            }
        }
    }
    { // Compare arguments and selected arguments are all different. "thenCase" is live after operation.
        Procedure proc;
        BasicBlock* root = proc.addBlock();
        Value* arg0 = root->appendNew<Value>(proc, BitwiseCast, Origin(),
            root->appendNew<Value>(proc, Trunc, Origin(),
                root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0)));
        Value* arg1 = root->appendNew<Value>(proc, BitwiseCast, Origin(),
            root->appendNew<Value>(proc, Trunc, Origin(),
                root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR1)));
        Value* arg2 = root->appendNew<Value>(proc, BitwiseCast, Origin(),
            root->appendNew<Value>(proc, Trunc, Origin(),
                root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR2)));
        Value* arg3 = root->appendNew<Value>(proc, BitwiseCast, Origin(),
            root->appendNew<Value>(proc, Trunc, Origin(),
                root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR3)));

        Value* result = root->appendNew<Value>(proc, Select, Origin(),
            root->appendNew<Value>(proc, opcode, Origin(), arg0, arg1),
            arg2,
            arg3);

        PatchpointValue* keepValuesLive = root->appendNew<PatchpointValue>(proc, Void, Origin());
        keepValuesLive->append(ConstrainedValue(arg2, ValueRep::SomeRegister));
        keepValuesLive->setGenerator([&] (CCallHelpers&, const StackmapGenerationParams&) { });

        root->appendNewControlValue(proc, Return, Origin(), result);
        auto code = compile(proc);

        for (auto& left : floatingPointOperands<float>()) {
            for (auto& right : floatingPointOperands<float>()) {
                float expected = operation(left.value, right.value) ? 42.5 : -66.5;
                CHECK(isIdentical(invoke<float>(*code, bitwise_cast<int32_t>(left.value), bitwise_cast<int32_t>(right.value), bitwise_cast<int32_t>(42.5f), bitwise_cast<int32_t>(-66.5f)), expected));
            }
        }
    }
    { // Compare arguments and selected arguments are all different. "elseCase" is live after operation.
        Procedure proc;
        BasicBlock* root = proc.addBlock();
        Value* arg0 = root->appendNew<Value>(proc, BitwiseCast, Origin(),
            root->appendNew<Value>(proc, Trunc, Origin(),
                root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0)));
        Value* arg1 = root->appendNew<Value>(proc, BitwiseCast, Origin(),
            root->appendNew<Value>(proc, Trunc, Origin(),
                root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR1)));
        Value* arg2 = root->appendNew<Value>(proc, BitwiseCast, Origin(),
            root->appendNew<Value>(proc, Trunc, Origin(),
                root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR2)));
        Value* arg3 = root->appendNew<Value>(proc, BitwiseCast, Origin(),
            root->appendNew<Value>(proc, Trunc, Origin(),
                root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR3)));

        Value* result = root->appendNew<Value>(proc, Select, Origin(),
            root->appendNew<Value>(proc, opcode, Origin(), arg0, arg1),
            arg2,
            arg3);

        PatchpointValue* keepValuesLive = root->appendNew<PatchpointValue>(proc, Void, Origin());
        keepValuesLive->append(ConstrainedValue(arg3, ValueRep::SomeRegister));
        keepValuesLive->setGenerator([&] (CCallHelpers&, const StackmapGenerationParams&) { });

        root->appendNewControlValue(proc, Return, Origin(), result);
        auto code = compile(proc);

        for (auto& left : floatingPointOperands<float>()) {
            for (auto& right : floatingPointOperands<float>()) {
                float expected = operation(left.value, right.value) ? 42.5 : -66.5;
                CHECK(isIdentical(invoke<float>(*code, bitwise_cast<int32_t>(left.value), bitwise_cast<int32_t>(right.value), bitwise_cast<int32_t>(42.5f), bitwise_cast<int32_t>(-66.5f)), expected));
            }
        }
    }
    { // Compare arguments and selected arguments are all different. Both cases are live after operation.
        Procedure proc;
        BasicBlock* root = proc.addBlock();
        Value* arg0 = root->appendNew<Value>(proc, BitwiseCast, Origin(),
            root->appendNew<Value>(proc, Trunc, Origin(),
                root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0)));
        Value* arg1 = root->appendNew<Value>(proc, BitwiseCast, Origin(),
            root->appendNew<Value>(proc, Trunc, Origin(),
                root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR1)));
        Value* arg2 = root->appendNew<Value>(proc, BitwiseCast, Origin(),
            root->appendNew<Value>(proc, Trunc, Origin(),
                root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR2)));
        Value* arg3 = root->appendNew<Value>(proc, BitwiseCast, Origin(),
            root->appendNew<Value>(proc, Trunc, Origin(),
                root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR3)));

        Value* result = root->appendNew<Value>(proc, Select, Origin(),
            root->appendNew<Value>(proc, opcode, Origin(), arg0, arg1),
            arg2,
            arg3);

        PatchpointValue* keepValuesLive = root->appendNew<PatchpointValue>(proc, Void, Origin());
        keepValuesLive->append(ConstrainedValue(arg2, ValueRep::SomeRegister));
        keepValuesLive->append(ConstrainedValue(arg3, ValueRep::SomeRegister));
        keepValuesLive->setGenerator([&] (CCallHelpers&, const StackmapGenerationParams&) { });

        root->appendNewControlValue(proc, Return, Origin(), result);
        auto code = compile(proc);

        for (auto& left : floatingPointOperands<float>()) {
            for (auto& right : floatingPointOperands<float>()) {
                float expected = operation(left.value, right.value) ? 42.5 : -66.5;
                CHECK(isIdentical(invoke<float>(*code, bitwise_cast<int32_t>(left.value), bitwise_cast<int32_t>(right.value), bitwise_cast<int32_t>(42.5f), bitwise_cast<int32_t>(-66.5f)), expected));
            }
        }
    }
    { // The left argument is the same as the "elseCase" argument.
        Procedure proc;
        BasicBlock* root = proc.addBlock();
        Value* arg0 = root->appendNew<Value>(proc, BitwiseCast, Origin(),
            root->appendNew<Value>(proc, Trunc, Origin(),
                root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0)));
        Value* arg1 = root->appendNew<Value>(proc, BitwiseCast, Origin(),
            root->appendNew<Value>(proc, Trunc, Origin(),
                root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR1)));
        Value* arg2 = root->appendNew<Value>(proc, BitwiseCast, Origin(),
            root->appendNew<Value>(proc, Trunc, Origin(),
                root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR2)));

        root->appendNewControlValue(
            proc, Return, Origin(),
            root->appendNew<Value>(
                proc, Select, Origin(),
                root->appendNew<Value>(
                    proc, opcode, Origin(),
                    arg0,
                    arg1),
                arg2,
                arg0));
        auto code = compile(proc);

        for (auto& left : floatingPointOperands<float>()) {
            for (auto& right : floatingPointOperands<float>()) {
                float expected = operation(left.value, right.value) ? 42.5 : left.value;
                CHECK(isIdentical(invoke<float>(*code, bitwise_cast<int32_t>(left.value), bitwise_cast<int32_t>(right.value), bitwise_cast<int32_t>(42.5f), bitwise_cast<int32_t>(left.value)), expected));
            }
        }
    }
    { // The left argument is the same as the "elseCase" argument. "thenCase" is live after operation.
        Procedure proc;
        BasicBlock* root = proc.addBlock();
        Value* arg0 = root->appendNew<Value>(proc, BitwiseCast, Origin(),
            root->appendNew<Value>(proc, Trunc, Origin(),
                root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0)));
        Value* arg1 = root->appendNew<Value>(proc, BitwiseCast, Origin(),
            root->appendNew<Value>(proc, Trunc, Origin(),
                root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR1)));
        Value* arg2 = root->appendNew<Value>(proc, BitwiseCast, Origin(),
            root->appendNew<Value>(proc, Trunc, Origin(),
                root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR2)));

        Value* result = root->appendNew<Value>(proc, Select, Origin(),
            root->appendNew<Value>(proc, opcode, Origin(), arg0, arg1),
            arg2,
            arg0);

        PatchpointValue* keepValuesLive = root->appendNew<PatchpointValue>(proc, Void, Origin());
        keepValuesLive->append(ConstrainedValue(arg2, ValueRep::SomeRegister));
        keepValuesLive->setGenerator([&] (CCallHelpers&, const StackmapGenerationParams&) { });

        root->appendNewControlValue(proc, Return, Origin(), result);
        auto code = compile(proc);

        for (auto& left : floatingPointOperands<float>()) {
            for (auto& right : floatingPointOperands<float>()) {
                float expected = operation(left.value, right.value) ? 42.5 : left.value;
                CHECK(isIdentical(invoke<float>(*code, bitwise_cast<int32_t>(left.value), bitwise_cast<int32_t>(right.value), bitwise_cast<int32_t>(42.5f), bitwise_cast<int32_t>(left.value)), expected));
            }
        }
    }
}

void testSelectFloatCompareFloatWithAliasing()
{
    testSelectFloatCompareFloat<Equal>([](float a, float b) -> bool { return a == b; });
    testSelectFloatCompareFloat<NotEqual>([](float a, float b) -> bool { return a != b; });
    testSelectFloatCompareFloat<LessThan>([](float a, float b) -> bool { return a < b; });
    testSelectFloatCompareFloat<GreaterThan>([](float a, float b) -> bool { return a > b; });
    testSelectFloatCompareFloat<LessEqual>([](float a, float b) -> bool { return a <= b; });
    testSelectFloatCompareFloat<GreaterEqual>([](float a, float b) -> bool { return a >= b; });
    testSelectFloatCompareFloat<EqualOrUnordered>([](float a, float b) -> bool { return a != a || b != b || a == b; });
}

void testSelectFold(intptr_t value)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    root->appendNewControlValue(
        proc, Return, Origin(),
        root->appendNew<Value>(
            proc, Select, Origin(),
            root->appendNew<Value>(
                proc, Equal, Origin(),
                root->appendNew<ConstPtrValue>(proc, Origin(), value),
                root->appendNew<ConstPtrValue>(proc, Origin(), 42)),
            root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0),
            root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR1)));

    auto code = compile(proc);
    CHECK(invoke<intptr_t>(*code, 1, 2) == (value == 42 ? 1 : 2));
    CHECK(invoke<intptr_t>(*code, 642462, 32533) == (value == 42 ? 642462 : 32533));
}

void testSelectInvert()
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    root->appendNewControlValue(
        proc, Return, Origin(),
        root->appendNew<Value>(
            proc, Select, Origin(),
            root->appendNew<Value>(
                proc, Equal, Origin(),
                root->appendNew<Value>(
                    proc, NotEqual, Origin(),
                    root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0),
                    root->appendNew<ConstPtrValue>(proc, Origin(), 42)),
                root->appendNew<Const32Value>(proc, Origin(), 0)),
            root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR1),
            root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR2)));

    auto code = compile(proc);
    CHECK(invoke<intptr_t>(*code, 42, 1, 2) == 1);
    CHECK(invoke<intptr_t>(*code, 42, 642462, 32533) == 642462);
    CHECK(invoke<intptr_t>(*code, 43, 1, 2) == 2);
    CHECK(invoke<intptr_t>(*code, 43, 642462, 32533) == 32533);
}

void testCheckSelect()
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();

    CheckValue* check = root->appendNew<CheckValue>(
        proc, Check, Origin(),
        root->appendNew<Value>(
            proc, Add, Origin(),
            root->appendNew<Value>(
                proc, Select, Origin(),
                root->appendNew<Value>(
                    proc, BitAnd, Origin(),
                    root->appendNew<Value>(
                        proc, Trunc, Origin(),
                        root->appendNew<ArgumentRegValue>(
                            proc, Origin(), GPRInfo::argumentGPR0)),
                    root->appendNew<Const32Value>(proc, Origin(), 0xff)),
                root->appendNew<ConstPtrValue>(proc, Origin(), -42),
                root->appendNew<ConstPtrValue>(proc, Origin(), 35)),
            root->appendNew<ConstPtrValue>(proc, Origin(), 42)));
    unsigned generationCount = 0;
    check->setGenerator(
        [&] (CCallHelpers& jit, const StackmapGenerationParams&) {
            AllowMacroScratchRegisterUsage allowScratch(jit);

            generationCount++;
            jit.move(CCallHelpers::TrustedImm32(666), GPRInfo::returnValueGPR);
            jit.emitFunctionEpilogue();
            jit.ret();
        });
    
    root->appendNewControlValue(
        proc, Return, Origin(),
        root->appendNew<Const32Value>(proc, Origin(), 0));

    auto code = compile(proc);
    CHECK(generationCount == 1);
    CHECK(invoke<int>(*code, true) == 0);
    CHECK(invoke<int>(*code, false) == 666);
}

void testCheckSelectCheckSelect()
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();

    CheckValue* check = root->appendNew<CheckValue>(
        proc, Check, Origin(),
        root->appendNew<Value>(
            proc, Add, Origin(),
            root->appendNew<Value>(
                proc, Select, Origin(),
                root->appendNew<Value>(
                    proc, BitAnd, Origin(),
                    root->appendNew<Value>(
                        proc, Trunc, Origin(),
                        root->appendNew<ArgumentRegValue>(
                            proc, Origin(), GPRInfo::argumentGPR0)),
                    root->appendNew<Const32Value>(proc, Origin(), 0xff)),
                root->appendNew<ConstPtrValue>(proc, Origin(), -42),
                root->appendNew<ConstPtrValue>(proc, Origin(), 35)),
            root->appendNew<ConstPtrValue>(proc, Origin(), 42)));

    unsigned generationCount = 0;
    check->setGenerator(
        [&] (CCallHelpers& jit, const StackmapGenerationParams&) {
            AllowMacroScratchRegisterUsage allowScratch(jit);

            generationCount++;
            jit.move(CCallHelpers::TrustedImm32(666), GPRInfo::returnValueGPR);
            jit.emitFunctionEpilogue();
            jit.ret();
        });
    
    CheckValue* check2 = root->appendNew<CheckValue>(
        proc, Check, Origin(),
        root->appendNew<Value>(
            proc, Add, Origin(),
            root->appendNew<Value>(
                proc, Select, Origin(),
                root->appendNew<Value>(
                    proc, BitAnd, Origin(),
                    root->appendNew<Value>(
                        proc, Trunc, Origin(),
                        root->appendNew<ArgumentRegValue>(
                            proc, Origin(), GPRInfo::argumentGPR1)),
                    root->appendNew<Const32Value>(proc, Origin(), 0xff)),
                root->appendNew<ConstPtrValue>(proc, Origin(), -43),
                root->appendNew<ConstPtrValue>(proc, Origin(), 36)),
            root->appendNew<ConstPtrValue>(proc, Origin(), 43)));

    unsigned generationCount2 = 0;
    check2->setGenerator(
        [&] (CCallHelpers& jit, const StackmapGenerationParams&) {
            AllowMacroScratchRegisterUsage allowScratch(jit);

            generationCount2++;
            jit.move(CCallHelpers::TrustedImm32(667), GPRInfo::returnValueGPR);
            jit.emitFunctionEpilogue();
            jit.ret();
        });
    
    root->appendNewControlValue(
        proc, Return, Origin(),
        root->appendNew<Const32Value>(proc, Origin(), 0));

    auto code = compile(proc);
    CHECK(generationCount == 1);
    CHECK(generationCount2 == 1);
    CHECK(invoke<int>(*code, true, true) == 0);
    CHECK(invoke<int>(*code, false, true) == 666);
    CHECK(invoke<int>(*code, true, false) == 667);
}

double b3Pow(double x, int y)
{
    if (y < 0 || y > 1000)
        return pow(x, y);
    double result = 1;
    while (y) {
        if (y & 1)
            result *= x;
        x *= x;
        y >>= 1;
    }
    return result;
}

void testPowDoubleByIntegerLoop(double xOperand, int32_t yOperand)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();

    Value* x = root->appendNew<ArgumentRegValue>(proc, Origin(), FPRInfo::argumentFPR0);
    Value* y = root->appendNew<Value>(proc, Trunc, Origin(),
        root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0));
    auto result = powDoubleInt32(proc, root, Origin(), x, y);
    BasicBlock* continuation = result.first;
    continuation->appendNewControlValue(proc, Return, Origin(), result.second);

    CHECK(isIdentical(compileAndRun<double>(proc, xOperand, yOperand), b3Pow(xOperand, yOperand)));
}

void testTruncOrHigh()
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();

    root->appendNewControlValue(
        proc, Return, Origin(),
        root->appendNew<Value>(
            proc, Trunc, Origin(),
            root->appendNew<Value>(
                proc, BitOr, Origin(),
                root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0),
                root->appendNew<Const64Value>(proc, Origin(), 0x100000000))));

    int64_t value = 0x123456781234;
    CHECK(compileAndRun<int>(proc, value) == 0x56781234);
}

void testTruncOrLow()
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();

    root->appendNewControlValue(
        proc, Return, Origin(),
        root->appendNew<Value>(
            proc, Trunc, Origin(),
            root->appendNew<Value>(
                proc, BitOr, Origin(),
                root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0),
                root->appendNew<Const64Value>(proc, Origin(), 0x1000000))));

    int64_t value = 0x123456781234;
    CHECK(compileAndRun<int>(proc, value) == 0x57781234);
}

void testBitAndOrHigh()
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();

    root->appendNewControlValue(
        proc, Return, Origin(),
        root->appendNew<Value>(
            proc, BitAnd, Origin(),
            root->appendNew<Value>(
                proc, BitOr, Origin(),
                root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0),
                root->appendNew<Const64Value>(proc, Origin(), 0x8)),
            root->appendNew<Const64Value>(proc, Origin(), 0x777777777777)));

    int64_t value = 0x123456781234;
    CHECK(compileAndRun<int64_t>(proc, value) == 0x123456701234ll);
}

void testBitAndOrLow()
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();

    root->appendNewControlValue(
        proc, Return, Origin(),
        root->appendNew<Value>(
            proc, BitAnd, Origin(),
            root->appendNew<Value>(
                proc, BitOr, Origin(),
                root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0),
                root->appendNew<Const64Value>(proc, Origin(), 0x1)),
            root->appendNew<Const64Value>(proc, Origin(), 0x777777777777)));

    int64_t value = 0x123456781234;
    CHECK(compileAndRun<int64_t>(proc, value) == 0x123456701235ll);
}

void testBranch64Equal(int64_t left, int64_t right)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    BasicBlock* thenCase = proc.addBlock();
    BasicBlock* elseCase = proc.addBlock();

    Value* arg1 = root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0);
    Value* arg2 = root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR1);
    root->appendNewControlValue(
        proc, Branch, Origin(),
        root->appendNew<Value>(proc, Equal, Origin(), arg1, arg2),
        FrequentedBlock(thenCase), FrequentedBlock(elseCase));

    bool trueResult = true;
    thenCase->appendNewControlValue(
        proc, Return, Origin(),
        thenCase->appendNew<MemoryValue>(
            proc, Load8Z, Origin(),
            thenCase->appendNew<ConstPtrValue>(proc, Origin(), &trueResult)));

    bool elseResult = false;
    elseCase->appendNewControlValue(
        proc, Return, Origin(),
        elseCase->appendNew<MemoryValue>(
            proc, Load8Z, Origin(),
            elseCase->appendNew<ConstPtrValue>(proc, Origin(), &elseResult)));

    CHECK(compileAndRun<bool>(proc, left, right) == (left == right));
}

void testBranch64EqualImm(int64_t left, int64_t right)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    BasicBlock* thenCase = proc.addBlock();
    BasicBlock* elseCase = proc.addBlock();

    Value* arg1 = root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0);
    Value* arg2 = root->appendNew<ConstPtrValue>(proc, Origin(), right);
    root->appendNewControlValue(
        proc, Branch, Origin(),
        root->appendNew<Value>(proc, Equal, Origin(), arg1, arg2),
        FrequentedBlock(thenCase), FrequentedBlock(elseCase));

    bool trueResult = true;
    thenCase->appendNewControlValue(
        proc, Return, Origin(),
        thenCase->appendNew<MemoryValue>(
            proc, Load8Z, Origin(),
            thenCase->appendNew<ConstPtrValue>(proc, Origin(), &trueResult)));

    bool elseResult = false;
    elseCase->appendNewControlValue(
        proc, Return, Origin(),
        elseCase->appendNew<MemoryValue>(
            proc, Load8Z, Origin(),
            elseCase->appendNew<ConstPtrValue>(proc, Origin(), &elseResult)));

    CHECK(compileAndRun<bool>(proc, left) == (left == right));
}

void testBranch64EqualMem(int64_t left, int64_t right)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    BasicBlock* thenCase = proc.addBlock();
    BasicBlock* elseCase = proc.addBlock();

    Value* arg1 = root->appendNew<MemoryValue>(
        proc, Load, pointerType(), Origin(),
        root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0));
    Value* arg2 = root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR1);
    root->appendNewControlValue(
        proc, Branch, Origin(),
        root->appendNew<Value>(proc, Equal, Origin(), arg1, arg2),
        FrequentedBlock(thenCase), FrequentedBlock(elseCase));

    bool trueResult = true;
    thenCase->appendNewControlValue(
        proc, Return, Origin(),
        thenCase->appendNew<MemoryValue>(
            proc, Load8Z, Origin(),
            thenCase->appendNew<ConstPtrValue>(proc, Origin(), &trueResult)));

    bool elseResult = false;
    elseCase->appendNewControlValue(
        proc, Return, Origin(),
        elseCase->appendNew<MemoryValue>(
            proc, Load8Z, Origin(),
            elseCase->appendNew<ConstPtrValue>(proc, Origin(), &elseResult)));

    CHECK(compileAndRun<bool>(proc, &left, right) == (left == right));
}

void testBranch64EqualMemImm(int64_t left, int64_t right)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    BasicBlock* thenCase = proc.addBlock();
    BasicBlock* elseCase = proc.addBlock();

    Value* arg1 = root->appendNew<MemoryValue>(
        proc, Load, pointerType(), Origin(),
        root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0));
    Value* arg2 = root->appendNew<ConstPtrValue>(proc, Origin(), right);
    root->appendNewControlValue(
        proc, Branch, Origin(),
        root->appendNew<Value>(proc, Equal, Origin(), arg1, arg2),
        FrequentedBlock(thenCase), FrequentedBlock(elseCase));

    bool trueResult = true;
    thenCase->appendNewControlValue(
        proc, Return, Origin(),
        thenCase->appendNew<MemoryValue>(
            proc, Load8Z, Origin(),
            thenCase->appendNew<ConstPtrValue>(proc, Origin(), &trueResult)));

    bool elseResult = false;
    elseCase->appendNewControlValue(
        proc, Return, Origin(),
        elseCase->appendNew<MemoryValue>(
            proc, Load8Z, Origin(),
            elseCase->appendNew<ConstPtrValue>(proc, Origin(), &elseResult)));

    CHECK(compileAndRun<bool>(proc, &left) == (left == right));
}

void testStore8Load8Z(int32_t value)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    
    int8_t byte;
    Value* ptr = root->appendNew<ConstPtrValue>(proc, Origin(), &byte);
    
    root->appendNew<MemoryValue>(
        proc, Store8, Origin(),
        root->appendNew<Value>(
            proc, Trunc, Origin(),
            root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0)),
        ptr);

    root->appendNewControlValue(
        proc, Return, Origin(),
        root->appendNew<MemoryValue>(proc, Load8Z, Origin(), ptr));

    CHECK(compileAndRun<int32_t>(proc, value) == static_cast<uint8_t>(value));
}

void testStore16Load16Z(int32_t value)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    
    int16_t byte;
    Value* ptr = root->appendNew<ConstPtrValue>(proc, Origin(), &byte);
    
    root->appendNew<MemoryValue>(
        proc, Store16, Origin(),
        root->appendNew<Value>(
            proc, Trunc, Origin(),
            root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0)),
        ptr);

    root->appendNewControlValue(
        proc, Return, Origin(),
        root->appendNew<MemoryValue>(proc, Load16Z, Origin(), ptr));

    CHECK(compileAndRun<int32_t>(proc, value) == static_cast<uint16_t>(value));
}

void testSShrShl32(int32_t value, int32_t sshrAmount, int32_t shlAmount)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();

    root->appendNewControlValue(
        proc, Return, Origin(),
        root->appendNew<Value>(
            proc, SShr, Origin(),
            root->appendNew<Value>(
                proc, Shl, Origin(),
                root->appendNew<Value>(
                    proc, Trunc, Origin(),
                    root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0)),
                root->appendNew<Const32Value>(proc, Origin(), shlAmount)),
            root->appendNew<Const32Value>(proc, Origin(), sshrAmount)));

    CHECK(
        compileAndRun<int32_t>(proc, value)
        == ((value << (shlAmount & 31)) >> (sshrAmount & 31)));
}

void testSShrShl64(int64_t value, int32_t sshrAmount, int32_t shlAmount)
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();

    root->appendNewControlValue(
        proc, Return, Origin(),
        root->appendNew<Value>(
            proc, SShr, Origin(),
            root->appendNew<Value>(
                proc, Shl, Origin(),
                root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0),
                root->appendNew<Const32Value>(proc, Origin(), shlAmount)),
            root->appendNew<Const32Value>(proc, Origin(), sshrAmount)));

    CHECK(
        compileAndRun<int64_t>(proc, value)
        == ((value << (shlAmount & 63)) >> (sshrAmount & 63)));
}

template<typename T>
void testComputeDivisionMagic(T value, T magicMultiplier, unsigned shift)
{
    DivisionMagic<T> magic = computeDivisionMagic(value);
    CHECK(magic.magicMultiplier == magicMultiplier);
    CHECK(magic.shift == shift);
}

void testTrivialInfiniteLoop()
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    BasicBlock* loop = proc.addBlock();
    root->appendNewControlValue(proc, Jump, Origin(), FrequentedBlock(loop));
    loop->appendNewControlValue(proc, Jump, Origin(), FrequentedBlock(loop));

    compile(proc);
}

void testFoldPathEqual()
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    BasicBlock* thenBlock = proc.addBlock();
    BasicBlock* elseBlock = proc.addBlock();

    Value* arg = root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0);

    root->appendNewControlValue(
        proc, Branch, Origin(), arg, FrequentedBlock(thenBlock), FrequentedBlock(elseBlock));

    thenBlock->appendNewControlValue(
        proc, Return, Origin(),
        thenBlock->appendNew<Value>(
            proc, Equal, Origin(), arg, thenBlock->appendNew<ConstPtrValue>(proc, Origin(), 0)));

    elseBlock->appendNewControlValue(
        proc, Return, Origin(),
        elseBlock->appendNew<Value>(
            proc, Equal, Origin(), arg, elseBlock->appendNew<ConstPtrValue>(proc, Origin(), 0)));

    auto code = compile(proc);
    CHECK(invoke<intptr_t>(*code, 0) == 1);
    CHECK(invoke<intptr_t>(*code, 1) == 0);
    CHECK(invoke<intptr_t>(*code, 42) == 0);
}

void testLShiftSelf32()
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    Value* arg = root->appendNew<Value>(
        proc, Trunc, Origin(),
        root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0));
    root->appendNewControlValue(
        proc, Return, Origin(),
        root->appendNew<Value>(proc, Shl, Origin(), arg, arg));

    auto code = compile(proc);

    auto check = [&] (int32_t value) {
        CHECK(invoke<int32_t>(*code, value) == value << (value & 31));
    };

    check(0);
    check(1);
    check(31);
    check(32);
}

void testRShiftSelf32()
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    Value* arg = root->appendNew<Value>(
        proc, Trunc, Origin(),
        root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0));
    root->appendNewControlValue(
        proc, Return, Origin(),
        root->appendNew<Value>(proc, SShr, Origin(), arg, arg));

    auto code = compile(proc);

    auto check = [&] (int32_t value) {
        CHECK(invoke<int32_t>(*code, value) == value >> (value & 31));
    };

    check(0);
    check(1);
    check(31);
    check(32);
}

void testURShiftSelf32()
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    Value* arg = root->appendNew<Value>(
        proc, Trunc, Origin(),
        root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0));
    root->appendNewControlValue(
        proc, Return, Origin(),
        root->appendNew<Value>(proc, ZShr, Origin(), arg, arg));

    auto code = compile(proc);

    auto check = [&] (uint32_t value) {
        CHECK(invoke<uint32_t>(*code, value) == value >> (value & 31));
    };

    check(0);
    check(1);
    check(31);
    check(32);
}

void testLShiftSelf64()
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    Value* arg = root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0);
    root->appendNewControlValue(
        proc, Return, Origin(),
        root->appendNew<Value>(
            proc, Shl, Origin(), arg, root->appendNew<Value>(proc, Trunc, Origin(), arg)));

    auto code = compile(proc);

    auto check = [&] (int64_t value) {
        CHECK(invoke<int64_t>(*code, value) == value << (value & 63));
    };

    check(0);
    check(1);
    check(31);
    check(32);
    check(63);
    check(64);
}

void testRShiftSelf64()
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    Value* arg = root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0);
    root->appendNewControlValue(
        proc, Return, Origin(),
        root->appendNew<Value>(
            proc, SShr, Origin(), arg, root->appendNew<Value>(proc, Trunc, Origin(), arg)));

    auto code = compile(proc);

    auto check = [&] (int64_t value) {
        CHECK(invoke<int64_t>(*code, value) == value >> (value & 63));
    };

    check(0);
    check(1);
    check(31);
    check(32);
    check(63);
    check(64);
}

void testURShiftSelf64()
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    Value* arg = root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0);
    root->appendNewControlValue(
        proc, Return, Origin(),
        root->appendNew<Value>(
            proc, ZShr, Origin(), arg, root->appendNew<Value>(proc, Trunc, Origin(), arg)));

    auto code = compile(proc);

    auto check = [&] (uint64_t value) {
        CHECK(invoke<uint64_t>(*code, value) == value >> (value & 63));
    };

    check(0);
    check(1);
    check(31);
    check(32);
    check(63);
    check(64);
}

void testPatchpointDoubleRegs()
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();

    Value* arg = root->appendNew<ArgumentRegValue>(proc, Origin(), FPRInfo::argumentFPR0);
    
    PatchpointValue* patchpoint = root->appendNew<PatchpointValue>(proc, Double, Origin());
    patchpoint->append(arg, ValueRep(FPRInfo::fpRegT0));
    patchpoint->resultConstraint = ValueRep(FPRInfo::fpRegT0);

    unsigned numCalls = 0;
    patchpoint->setGenerator(
        [&] (CCallHelpers&, const StackmapGenerationParams&) {
            numCalls++;
        });

    root->appendNewControlValue(proc, Return, Origin(), patchpoint);

    auto code = compile(proc);
    CHECK(numCalls == 1);
    CHECK(invoke<double>(*code, 42.5) == 42.5);
}

void testSpillDefSmallerThanUse()
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();

    // Move32.
    Value* arg32 = root->appendNew<Value>(
        proc, Trunc, Origin(),
        root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0));
    Value* arg64 = root->appendNew<Value>(proc, ZExt32, Origin(), arg32);

    // Make sure arg64 is on the stack.
    PatchpointValue* forceSpill = root->appendNew<PatchpointValue>(proc, Int64, Origin());
    RegisterSet clobberSet = RegisterSet::allGPRs();
    clobberSet.exclude(RegisterSet::stackRegisters());
    clobberSet.exclude(RegisterSet::reservedHardwareRegisters());
    clobberSet.clear(GPRInfo::returnValueGPR); // Force the return value for aliasing below.
    forceSpill->clobberLate(clobberSet);
    forceSpill->setGenerator(
        [&] (CCallHelpers& jit, const StackmapGenerationParams& params) {
            AllowMacroScratchRegisterUsage allowScratch(jit);
            jit.xor64(params[0].gpr(), params[0].gpr());
        });

    // On x86, Sub admit an address for any operand. If it uses the stack, the top bits must be zero.
    Value* result = root->appendNew<Value>(proc, Sub, Origin(), forceSpill, arg64);
    root->appendNewControlValue(proc, Return, Origin(), result);

    auto code = compile(proc);
    CHECK(invoke<int64_t>(*code, 0xffffffff00000000) == 0);
}

void testSpillUseLargerThanDef()
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    BasicBlock* thenCase = proc.addBlock();
    BasicBlock* elseCase = proc.addBlock();
    BasicBlock* tail = proc.addBlock();

    RegisterSet clobberSet = RegisterSet::allGPRs();
    clobberSet.exclude(RegisterSet::stackRegisters());
    clobberSet.exclude(RegisterSet::reservedHardwareRegisters());

    Value* condition = root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0);
    Value* argument = root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR1);
    root->appendNewControlValue(
        proc, Branch, Origin(),
        root->appendNew<Value>(
            proc, Trunc, Origin(),
            condition),
        FrequentedBlock(thenCase), FrequentedBlock(elseCase));

    Value* truncated = thenCase->appendNew<Value>(proc, ZExt32, Origin(),
        thenCase->appendNew<Value>(proc, Trunc, Origin(), argument));
    UpsilonValue* thenResult = thenCase->appendNew<UpsilonValue>(proc, Origin(), truncated);
    thenCase->appendNewControlValue(proc, Jump, Origin(), FrequentedBlock(tail));

    UpsilonValue* elseResult = elseCase->appendNew<UpsilonValue>(proc, Origin(), argument);
    elseCase->appendNewControlValue(proc, Jump, Origin(), FrequentedBlock(tail));

    for (unsigned i = 0; i < 100; ++i) {
        PatchpointValue* preventTailDuplication = tail->appendNew<PatchpointValue>(proc, Void, Origin());
        preventTailDuplication->clobberLate(clobberSet);
        preventTailDuplication->setGenerator([] (CCallHelpers&, const StackmapGenerationParams&) { });
    }

    PatchpointValue* forceSpill = tail->appendNew<PatchpointValue>(proc, Void, Origin());
    forceSpill->clobberLate(clobberSet);
    forceSpill->setGenerator(
        [&] (CCallHelpers& jit, const StackmapGenerationParams&) {
            AllowMacroScratchRegisterUsage allowScratch(jit);
            clobberSet.forEach([&] (Reg reg) {
                jit.move(CCallHelpers::TrustedImm64(0xffffffffffffffff), reg.gpr());
            });
        });

    Value* phi = tail->appendNew<Value>(proc, Phi, Int64, Origin());
    thenResult->setPhi(phi);
    elseResult->setPhi(phi);
    tail->appendNewControlValue(proc, Return, Origin(), phi);

    auto code = compile(proc);
    CHECK(invoke<uint64_t>(*code, 1, 0xffffffff00000000) == 0);
    CHECK(invoke<uint64_t>(*code, 0, 0xffffffff00000000) == 0xffffffff00000000);

    // A second time since the previous run is still on the stack.
    CHECK(invoke<uint64_t>(*code, 1, 0xffffffff00000000) == 0);

}

void testLateRegister()
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();

    // This works by making all but 1 register be input to the first patchpoint as LateRegister.
    // The other 1 register is just a regular Register input. We assert our result is the regular
    // register input. There would be no other way for the register allocator to arrange things
    // because LateRegister interferes with the result.
    // Then, the second patchpoint takes the result of the first as an argument and asks for
    // it in a register that was a LateRegister. This is to incentivize the register allocator
    // to use that LateRegister as the result for the first patchpoint. But of course it can not do that.
    // So it must issue a mov after the first patchpoint from the first's result into the second's input.

    RegisterSet regs = RegisterSet::allGPRs();
    regs.exclude(RegisterSet::stackRegisters());
    regs.exclude(RegisterSet::reservedHardwareRegisters());
    Vector<Value*> lateUseArgs;
    unsigned result = 0;
    for (GPRReg reg = CCallHelpers::firstRegister(); reg <= CCallHelpers::lastRegister(); reg = CCallHelpers::nextRegister(reg)) {
        if (!regs.get(reg))
            continue;
        result++;
        if (reg == GPRInfo::regT0)
            continue;
        Value* value = root->appendNew<Const64Value>(proc, Origin(), 1);
        lateUseArgs.append(value);
    }
    Value* regularUse = root->appendNew<Const64Value>(proc, Origin(), 1);
    PatchpointValue* firstPatchpoint = root->appendNew<PatchpointValue>(proc, Int64, Origin());
    {
        unsigned i = 0;
        for (GPRReg reg = CCallHelpers::firstRegister(); reg <= CCallHelpers::lastRegister(); reg = CCallHelpers::nextRegister(reg)) {
            if (!regs.get(reg))
                continue;
            if (reg == GPRInfo::regT0)
                continue;
            Value* value = lateUseArgs[i++];
            firstPatchpoint->append(value, ValueRep::lateReg(reg));
        }
        firstPatchpoint->append(regularUse, ValueRep::reg(GPRInfo::regT0));
    }

    firstPatchpoint->setGenerator(
        [&] (CCallHelpers& jit, const StackmapGenerationParams& params) {
            AllowMacroScratchRegisterUsage allowScratch(jit);
            CHECK(params[0].gpr() == GPRInfo::regT0);
            // Note that regT0 should also start off as 1, so we're implicitly starting our add with 1, which is also an argument.
            unsigned skipped = 0;
            for (unsigned i = 1; i < params.size(); i++) {
                if (params[i].gpr() == params[0].gpr()) {
                    skipped = i;
                    continue;
                }
                jit.add64(params[i].gpr(), params[0].gpr());
            }
            CHECK(!!skipped);
        });

    PatchpointValue* secondPatchpoint = root->appendNew<PatchpointValue>(proc, Int64, Origin());
    secondPatchpoint->append(firstPatchpoint, ValueRep::reg(GPRInfo::regT1));
    secondPatchpoint->setGenerator(
        [&] (CCallHelpers& jit, const StackmapGenerationParams& params) {
            AllowMacroScratchRegisterUsage allowScratch(jit);
            CHECK(params[1].gpr() == GPRInfo::regT1);
            jit.nop();
            jit.nop();
            jit.move(params[1].gpr(), params[0].gpr());
            jit.nop();
            jit.nop();
        });
    root->appendNewControlValue(proc, Return, Origin(), secondPatchpoint);
    
    auto code = compile(proc);
    CHECK(invoke<uint64_t>(*code) == result);
}

void interpreterPrint(Vector<intptr_t>* stream, intptr_t value)
{
    stream->append(value);
}

void testInterpreter()
{
    // This implements a silly interpreter to test building custom switch statements using
    // Patchpoint.
    
    Procedure proc;
    
    BasicBlock* root = proc.addBlock();
    BasicBlock* dispatch = proc.addBlock();
    BasicBlock* addToDataPointer = proc.addBlock();
    BasicBlock* addToCodePointer = proc.addBlock();
    BasicBlock* addToCodePointerTaken = proc.addBlock();
    BasicBlock* addToCodePointerNotTaken = proc.addBlock();
    BasicBlock* addToData = proc.addBlock();
    BasicBlock* print = proc.addBlock();
    BasicBlock* stop = proc.addBlock();
    
    Variable* dataPointer = proc.addVariable(pointerType());
    Variable* codePointer = proc.addVariable(pointerType());
    
    root->appendNew<VariableValue>(
        proc, Set, Origin(), dataPointer,
        root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0));
    root->appendNew<VariableValue>(
        proc, Set, Origin(), codePointer,
        root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR1));
    Value* context = root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR2);
    root->appendNewControlValue(proc, Jump, Origin(), FrequentedBlock(dispatch));

    // NOTE: It's totally valid for this patchpoint to be tail-duplicated.
    Value* codePointerValue =
        dispatch->appendNew<VariableValue>(proc, B3::Get, Origin(), codePointer);
    Value* opcode = dispatch->appendNew<MemoryValue>(
        proc, Load, pointerType(), Origin(), codePointerValue);
    PatchpointValue* polyJump = dispatch->appendNew<PatchpointValue>(proc, Void, Origin());
    polyJump->effects = Effects();
    polyJump->effects.terminal = true;
    polyJump->appendSomeRegister(opcode);
    polyJump->clobber(RegisterSet::macroScratchRegisters());
    polyJump->numGPScratchRegisters++;
    dispatch->appendSuccessor(FrequentedBlock(addToDataPointer));
    dispatch->appendSuccessor(FrequentedBlock(addToCodePointer));
    dispatch->appendSuccessor(FrequentedBlock(addToData));
    dispatch->appendSuccessor(FrequentedBlock(print));
    dispatch->appendSuccessor(FrequentedBlock(stop));
    
    // Our "opcodes".
    static const intptr_t AddDP = 0;
    static const intptr_t AddCP = 1;
    static const intptr_t Add = 2;
    static const intptr_t Print = 3;
    static const intptr_t Stop = 4;
    
    polyJump->setGenerator(
        [&] (CCallHelpers& jit, const StackmapGenerationParams& params) {
            AllowMacroScratchRegisterUsage allowScratch(jit);
            Vector<Box<CCallHelpers::Label>> labels = params.successorLabels();

            MacroAssemblerCodePtr* jumpTable = bitwise_cast<MacroAssemblerCodePtr*>(
                params.proc().addDataSection(sizeof(MacroAssemblerCodePtr) * labels.size()));

            jit.move(CCallHelpers::TrustedImmPtr(jumpTable), params.gpScratch(0));
            jit.jump(CCallHelpers::BaseIndex(params.gpScratch(0), params[0].gpr(), CCallHelpers::timesPtr()));
            
            jit.addLinkTask(
                [&, jumpTable, labels] (LinkBuffer& linkBuffer) {
                    for (unsigned i = labels.size(); i--;)
                        jumpTable[i] = linkBuffer.locationOf(*labels[i]);
                });
        });
    
    // AddDP <operand>: adds <operand> to DP.
    codePointerValue =
        addToDataPointer->appendNew<VariableValue>(proc, B3::Get, Origin(), codePointer);
    addToDataPointer->appendNew<VariableValue>(
        proc, Set, Origin(), dataPointer,
        addToDataPointer->appendNew<Value>(
            proc, B3::Add, Origin(),
            addToDataPointer->appendNew<VariableValue>(proc, B3::Get, Origin(), dataPointer),
            addToDataPointer->appendNew<Value>(
                proc, Mul, Origin(),
                addToDataPointer->appendNew<MemoryValue>(
                    proc, Load, pointerType(), Origin(), codePointerValue, sizeof(intptr_t)),
                addToDataPointer->appendIntConstant(
                    proc, Origin(), pointerType(), sizeof(intptr_t)))));
    addToDataPointer->appendNew<VariableValue>(
        proc, Set, Origin(), codePointer,
        addToDataPointer->appendNew<Value>(
            proc, B3::Add, Origin(), codePointerValue,
            addToDataPointer->appendIntConstant(
                proc, Origin(), pointerType(), sizeof(intptr_t) * 2)));
    addToDataPointer->appendNewControlValue(proc, Jump, Origin(), FrequentedBlock(dispatch));
    
    // AddCP <operand>: adds <operand> to CP if the current value at DP is non-zero, otherwise
    // falls through normally.
    codePointerValue =
        addToCodePointer->appendNew<VariableValue>(proc, B3::Get, Origin(), codePointer);
    Value* dataPointerValue =
        addToCodePointer->appendNew<VariableValue>(proc, B3::Get, Origin(), dataPointer);
    addToCodePointer->appendNewControlValue(
        proc, Branch, Origin(),
        addToCodePointer->appendNew<MemoryValue>(
            proc, Load, pointerType(), Origin(), dataPointerValue),
        FrequentedBlock(addToCodePointerTaken), FrequentedBlock(addToCodePointerNotTaken));
    addToCodePointerTaken->appendNew<VariableValue>(
        proc, Set, Origin(), codePointer,
        addToCodePointerTaken->appendNew<Value>(
            proc, B3::Add, Origin(), codePointerValue,
            addToCodePointerTaken->appendNew<Value>(
                proc, Mul, Origin(),
                addToCodePointerTaken->appendNew<MemoryValue>(
                    proc, Load, pointerType(), Origin(), codePointerValue, sizeof(intptr_t)),
                addToCodePointerTaken->appendIntConstant(
                    proc, Origin(), pointerType(), sizeof(intptr_t)))));
    addToCodePointerTaken->appendNewControlValue(proc, Jump, Origin(), FrequentedBlock(dispatch));
    addToCodePointerNotTaken->appendNew<VariableValue>(
        proc, Set, Origin(), codePointer,
        addToCodePointerNotTaken->appendNew<Value>(
            proc, B3::Add, Origin(), codePointerValue,
            addToCodePointerNotTaken->appendIntConstant(
                proc, Origin(), pointerType(), sizeof(intptr_t) * 2)));
    addToCodePointerNotTaken->appendNewControlValue(
        proc, Jump, Origin(), FrequentedBlock(dispatch));

    // Add <operand>: adds <operand> to the slot pointed to by DP.
    codePointerValue = addToData->appendNew<VariableValue>(proc, B3::Get, Origin(), codePointer);
    dataPointerValue = addToData->appendNew<VariableValue>(proc, B3::Get, Origin(), dataPointer);
    addToData->appendNew<MemoryValue>(
        proc, Store, Origin(),
        addToData->appendNew<Value>(
            proc, B3::Add, Origin(),
            addToData->appendNew<MemoryValue>(
                proc, Load, pointerType(), Origin(), dataPointerValue),
            addToData->appendNew<MemoryValue>(
                proc, Load, pointerType(), Origin(), codePointerValue, sizeof(intptr_t))),
        dataPointerValue);
    addToData->appendNew<VariableValue>(
        proc, Set, Origin(), codePointer,
        addToData->appendNew<Value>(
            proc, B3::Add, Origin(), codePointerValue,
            addToData->appendIntConstant(proc, Origin(), pointerType(), sizeof(intptr_t) * 2)));
    addToData->appendNewControlValue(proc, Jump, Origin(), FrequentedBlock(dispatch));
    
    // Print: "prints" the value pointed to by DP. What this actually means is that the value is
    // appended to the stream vector by the interpreterPrint function.
    codePointerValue = print->appendNew<VariableValue>(proc, B3::Get, Origin(), codePointer);
    dataPointerValue = print->appendNew<VariableValue>(proc, B3::Get, Origin(), dataPointer);
    print->appendNew<CCallValue>(
        proc, Void, Origin(),
        print->appendNew<ConstPtrValue>(
            proc, Origin(), bitwise_cast<void*>(interpreterPrint)),
        context,
        print->appendNew<MemoryValue>(proc, Load, pointerType(), Origin(), dataPointerValue));
    print->appendNew<VariableValue>(
        proc, Set, Origin(), codePointer,
        print->appendNew<Value>(
            proc, B3::Add, Origin(), codePointerValue,
            print->appendIntConstant(proc, Origin(), pointerType(), sizeof(intptr_t))));
    print->appendNewControlValue(proc, Jump, Origin(), FrequentedBlock(dispatch));
    
    // Stop: returns.
    stop->appendNewControlValue(
        proc, Return, Origin(),
        stop->appendIntConstant(proc, Origin(), pointerType(), 0));
    
    auto interpreter = compile(proc);
    
    Vector<intptr_t> data;
    Vector<intptr_t> code;
    Vector<intptr_t> stream;
    
    data.append(1);
    data.append(0);
    
    if (shouldBeVerbose())
        dataLog("data = ", listDump(data), "\n");
    
    // We'll write a program that prints the numbers 1..100.
    // We expect DP to point at #0.
    code.append(AddCP);
    code.append(6); // go to loop body
    
    // Loop re-entry:
    // We expect DP to point at #1 and for #1 to be offset by -100.
    code.append(Add);
    code.append(100);
    
    code.append(AddDP);
    code.append(-1);
    
    // Loop header:
    // We expect DP to point at #0.
    code.append(AddDP);
    code.append(1);
    
    code.append(Add);
    code.append(1);
    
    code.append(Print);
    
    code.append(Add);
    code.append(-100);
    
    // We want to stop if it's zero and continue if it's non-zero. AddCP takes the branch if it's
    // non-zero.
    code.append(AddCP);
    code.append(-11); // go to loop re-entry.
    
    code.append(Stop);
    
    if (shouldBeVerbose())
        dataLog("code = ", listDump(code), "\n");
    
    CHECK(!invoke<intptr_t>(*interpreter, data.data(), code.data(), &stream));
    
    CHECK(stream.size() == 100);
    for (unsigned i = 0; i < 100; ++i)
        CHECK(stream[i] == i + 1);
    
    if (shouldBeVerbose())
        dataLog("stream = ", listDump(stream), "\n");
}

void testReduceStrengthCheckBottomUseInAnotherBlock()
{
    Procedure proc;
    
    BasicBlock* one = proc.addBlock();
    BasicBlock* two = proc.addBlock();
    
    CheckValue* check = one->appendNew<CheckValue>(
        proc, Check, Origin(), one->appendNew<Const32Value>(proc, Origin(), 1));
    check->setGenerator(
        [&] (CCallHelpers& jit, const StackmapGenerationParams&) {
            AllowMacroScratchRegisterUsage allowScratch(jit);

            jit.move(CCallHelpers::TrustedImm32(666), GPRInfo::returnValueGPR);
            jit.emitFunctionEpilogue();
            jit.ret();
        });
    Value* arg = one->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0);
    one->appendNewControlValue(proc, Jump, Origin(), FrequentedBlock(two));
    
    check = two->appendNew<CheckValue>(
        proc, CheckAdd, Origin(), arg,
        two->appendNew<ConstPtrValue>(proc, Origin(), 1));
    check->setGenerator(
        [&] (CCallHelpers&, const StackmapGenerationParams&) {
            CHECK(!"Should not execute");
        });
    two->appendNewControlValue(proc, Return, Origin(), check);
    
    proc.resetReachability();
    reduceStrength(proc);
}

void testResetReachabilityDanglingReference()
{
    Procedure proc;
    
    BasicBlock* one = proc.addBlock();
    BasicBlock* two = proc.addBlock();
    
    UpsilonValue* upsilon = one->appendNew<UpsilonValue>(
        proc, Origin(), one->appendNew<Const32Value>(proc, Origin(), 42));
    one->appendNewControlValue(proc, Oops, Origin());
    
    Value* phi = two->appendNew<Value>(proc, Phi, Int32, Origin());
    upsilon->setPhi(phi);
    two->appendNewControlValue(proc, Oops, Origin());
    
    proc.resetReachability();
    validate(proc);
}

void testEntrySwitchSimple()
{
    Procedure proc;
    proc.setNumEntrypoints(3);
    
    BasicBlock* root = proc.addBlock();
    BasicBlock* one = proc.addBlock();
    BasicBlock* two = proc.addBlock();
    BasicBlock* three = proc.addBlock();
    
    root->appendNew<Value>(proc, EntrySwitch, Origin());
    root->appendSuccessor(FrequentedBlock(one));
    root->appendSuccessor(FrequentedBlock(two));
    root->appendSuccessor(FrequentedBlock(three));
    
    one->appendNew<Value>(
        proc, Return, Origin(),
        one->appendNew<Value>(
            proc, Add, Origin(),
            one->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0),
            one->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR1)));
    
    two->appendNew<Value>(
        proc, Return, Origin(),
        two->appendNew<Value>(
            proc, Sub, Origin(),
            two->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0),
            two->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR1)));
    
    three->appendNew<Value>(
        proc, Return, Origin(),
        three->appendNew<Value>(
            proc, Mul, Origin(),
            three->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0),
            three->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR1)));
    
    prepareForGeneration(proc);
    
    CCallHelpers jit(vm);
    generate(proc, jit);
    LinkBuffer linkBuffer(*vm, jit, nullptr);
    CodeLocationLabel labelOne = linkBuffer.locationOf(proc.entrypointLabel(0));
    CodeLocationLabel labelTwo = linkBuffer.locationOf(proc.entrypointLabel(1));
    CodeLocationLabel labelThree = linkBuffer.locationOf(proc.entrypointLabel(2));
    
    MacroAssemblerCodeRef codeRef = FINALIZE_CODE(linkBuffer, ("testb3 compilation"));
    
    CHECK(invoke<int>(labelOne, 1, 2) == 3);
    CHECK(invoke<int>(labelTwo, 1, 2) == -1);
    CHECK(invoke<int>(labelThree, 1, 2) == 2);
    CHECK(invoke<int>(labelOne, -1, 2) == 1);
    CHECK(invoke<int>(labelTwo, -1, 2) == -3);
    CHECK(invoke<int>(labelThree, -1, 2) == -2);
}

void testEntrySwitchNoEntrySwitch()
{
    Procedure proc;
    proc.setNumEntrypoints(3);
    
    BasicBlock* root = proc.addBlock();
    
    root->appendNew<Value>(
        proc, Return, Origin(),
        root->appendNew<Value>(
            proc, Add, Origin(),
            root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0),
            root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR1)));
    
    prepareForGeneration(proc);
    
    CCallHelpers jit(vm);
    generate(proc, jit);
    LinkBuffer linkBuffer(*vm, jit, nullptr);
    CodeLocationLabel labelOne = linkBuffer.locationOf(proc.entrypointLabel(0));
    CodeLocationLabel labelTwo = linkBuffer.locationOf(proc.entrypointLabel(1));
    CodeLocationLabel labelThree = linkBuffer.locationOf(proc.entrypointLabel(2));
    
    MacroAssemblerCodeRef codeRef = FINALIZE_CODE(linkBuffer, ("testb3 compilation"));
    
    CHECK_EQ(invoke<int>(labelOne, 1, 2), 3);
    CHECK_EQ(invoke<int>(labelTwo, 1, 2), 3);
    CHECK_EQ(invoke<int>(labelThree, 1, 2), 3);
    CHECK_EQ(invoke<int>(labelOne, -1, 2), 1);
    CHECK_EQ(invoke<int>(labelTwo, -1, 2), 1);
    CHECK_EQ(invoke<int>(labelThree, -1, 2), 1);
}

void testEntrySwitchWithCommonPaths()
{
    Procedure proc;
    proc.setNumEntrypoints(3);
    
    BasicBlock* root = proc.addBlock();
    BasicBlock* one = proc.addBlock();
    BasicBlock* two = proc.addBlock();
    BasicBlock* three = proc.addBlock();
    BasicBlock* end = proc.addBlock();
    
    root->appendNew<Value>(proc, EntrySwitch, Origin());
    root->appendSuccessor(FrequentedBlock(one));
    root->appendSuccessor(FrequentedBlock(two));
    root->appendSuccessor(FrequentedBlock(three));
    
    UpsilonValue* upsilonOne = one->appendNew<UpsilonValue>(
        proc, Origin(),
        one->appendNew<Value>(
            proc, Add, Origin(),
            one->appendNew<Value>(
                proc, Trunc, Origin(),
                one->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0)),
            one->appendNew<Value>(
                proc, Trunc, Origin(),
                one->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR1))));
    one->appendNew<Value>(proc, Jump, Origin());
    one->setSuccessors(FrequentedBlock(end));
    
    UpsilonValue* upsilonTwo = two->appendNew<UpsilonValue>(
        proc, Origin(),
        two->appendNew<Value>(
            proc, Sub, Origin(),
            two->appendNew<Value>(
                proc, Trunc, Origin(),
                two->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0)),
            two->appendNew<Value>(
                proc, Trunc, Origin(),
                two->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR1))));
    two->appendNew<Value>(proc, Jump, Origin());
    two->setSuccessors(FrequentedBlock(end));
    
    UpsilonValue* upsilonThree = three->appendNew<UpsilonValue>(
        proc, Origin(),
        three->appendNew<Value>(
            proc, Mul, Origin(),
            three->appendNew<Value>(
                proc, Trunc, Origin(),
                three->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0)),
            three->appendNew<Value>(
                proc, Trunc, Origin(),
                three->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR1))));
    three->appendNew<Value>(proc, Jump, Origin());
    three->setSuccessors(FrequentedBlock(end));
    
    Value* phi = end->appendNew<Value>(proc, Phi, Int32, Origin());
    upsilonOne->setPhi(phi);
    upsilonTwo->setPhi(phi);
    upsilonThree->setPhi(phi);
    
    end->appendNew<Value>(
        proc, Return, Origin(),
        end->appendNew<Value>(
            proc, chill(Mod), Origin(),
            phi, end->appendNew<Value>(
                proc, Trunc, Origin(),
                end->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR2))));
    
    prepareForGeneration(proc);
    
    CCallHelpers jit(vm);
    generate(proc, jit);
    LinkBuffer linkBuffer(*vm, jit, nullptr);
    CodeLocationLabel labelOne = linkBuffer.locationOf(proc.entrypointLabel(0));
    CodeLocationLabel labelTwo = linkBuffer.locationOf(proc.entrypointLabel(1));
    CodeLocationLabel labelThree = linkBuffer.locationOf(proc.entrypointLabel(2));
    
    MacroAssemblerCodeRef codeRef = FINALIZE_CODE(linkBuffer, ("testb3 compilation"));
    
    CHECK_EQ(invoke<int>(labelOne, 1, 2, 10), 3);
    CHECK_EQ(invoke<int>(labelTwo, 1, 2, 10), -1);
    CHECK_EQ(invoke<int>(labelThree, 1, 2, 10), 2);
    CHECK_EQ(invoke<int>(labelOne, -1, 2, 10), 1);
    CHECK_EQ(invoke<int>(labelTwo, -1, 2, 10), -3);
    CHECK_EQ(invoke<int>(labelThree, -1, 2, 10), -2);
    CHECK_EQ(invoke<int>(labelOne, 1, 2, 2), 1);
    CHECK_EQ(invoke<int>(labelTwo, 1, 2, 2), -1);
    CHECK_EQ(invoke<int>(labelThree, 1, 2, 2), 0);
    CHECK_EQ(invoke<int>(labelOne, -1, 2, 2), 1);
    CHECK_EQ(invoke<int>(labelTwo, -1, 2, 2), -1);
    CHECK_EQ(invoke<int>(labelThree, -1, 2, 2), 0);
    CHECK_EQ(invoke<int>(labelOne, 1, 2, 0), 0);
    CHECK_EQ(invoke<int>(labelTwo, 1, 2, 0), 0);
    CHECK_EQ(invoke<int>(labelThree, 1, 2, 0), 0);
    CHECK_EQ(invoke<int>(labelOne, -1, 2, 0), 0);
    CHECK_EQ(invoke<int>(labelTwo, -1, 2, 0), 0);
    CHECK_EQ(invoke<int>(labelThree, -1, 2, 0), 0);
}

void testEntrySwitchWithCommonPathsAndNonTrivialEntrypoint()
{
    Procedure proc;
    proc.setNumEntrypoints(3);
    
    BasicBlock* root = proc.addBlock();
    BasicBlock* negate = proc.addBlock();
    BasicBlock* dispatch = proc.addBlock();
    BasicBlock* one = proc.addBlock();
    BasicBlock* two = proc.addBlock();
    BasicBlock* three = proc.addBlock();
    BasicBlock* end = proc.addBlock();

    UpsilonValue* upsilonBase = root->appendNew<UpsilonValue>(
        proc, Origin(), root->appendNew<Value>(
            proc, Trunc, Origin(),
            root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0)));
    root->appendNew<Value>(
        proc, Branch, Origin(),
        root->appendNew<Value>(
            proc, BitAnd, Origin(),
            root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR3),
            root->appendNew<ConstPtrValue>(proc, Origin(), 0xff)));
    root->setSuccessors(FrequentedBlock(negate), FrequentedBlock(dispatch));
    
    UpsilonValue* upsilonNegate = negate->appendNew<UpsilonValue>(
        proc, Origin(),
        negate->appendNew<Value>(
            proc, Neg, Origin(),
            negate->appendNew<Value>(
                proc, Trunc, Origin(),
                negate->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0))));
    negate->appendNew<Value>(proc, Jump, Origin());
    negate->setSuccessors(FrequentedBlock(dispatch));
    
    Value* arg0 = dispatch->appendNew<Value>(proc, Phi, Int32, Origin());
    upsilonBase->setPhi(arg0);
    upsilonNegate->setPhi(arg0);
    dispatch->appendNew<Value>(proc, EntrySwitch, Origin());
    dispatch->appendSuccessor(FrequentedBlock(one));
    dispatch->appendSuccessor(FrequentedBlock(two));
    dispatch->appendSuccessor(FrequentedBlock(three));
    
    UpsilonValue* upsilonOne = one->appendNew<UpsilonValue>(
        proc, Origin(),
        one->appendNew<Value>(
            proc, Add, Origin(),
            arg0, one->appendNew<Value>(
                proc, Trunc, Origin(),
                one->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR1))));
    one->appendNew<Value>(proc, Jump, Origin());
    one->setSuccessors(FrequentedBlock(end));
    
    UpsilonValue* upsilonTwo = two->appendNew<UpsilonValue>(
        proc, Origin(),
        two->appendNew<Value>(
            proc, Sub, Origin(),
            arg0, two->appendNew<Value>(
                proc, Trunc, Origin(),
                two->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR1))));
    two->appendNew<Value>(proc, Jump, Origin());
    two->setSuccessors(FrequentedBlock(end));
    
    UpsilonValue* upsilonThree = three->appendNew<UpsilonValue>(
        proc, Origin(),
        three->appendNew<Value>(
            proc, Mul, Origin(),
            arg0, three->appendNew<Value>(
                proc, Trunc, Origin(),
                three->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR1))));
    three->appendNew<Value>(proc, Jump, Origin());
    three->setSuccessors(FrequentedBlock(end));
    
    Value* phi = end->appendNew<Value>(proc, Phi, Int32, Origin());
    upsilonOne->setPhi(phi);
    upsilonTwo->setPhi(phi);
    upsilonThree->setPhi(phi);
    
    end->appendNew<Value>(
        proc, Return, Origin(),
        end->appendNew<Value>(
            proc, chill(Mod), Origin(),
            phi, end->appendNew<Value>(
                proc, Trunc, Origin(),
                end->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR2))));
    
    prepareForGeneration(proc);
    
    CCallHelpers jit(vm);
    generate(proc, jit);
    LinkBuffer linkBuffer(*vm, jit, nullptr);
    CodeLocationLabel labelOne = linkBuffer.locationOf(proc.entrypointLabel(0));
    CodeLocationLabel labelTwo = linkBuffer.locationOf(proc.entrypointLabel(1));
    CodeLocationLabel labelThree = linkBuffer.locationOf(proc.entrypointLabel(2));
    
    MacroAssemblerCodeRef codeRef = FINALIZE_CODE(linkBuffer, ("testb3 compilation"));
    
    CHECK_EQ(invoke<int>(labelOne, 1, 2, 10, false), 3);
    CHECK_EQ(invoke<int>(labelTwo, 1, 2, 10, false), -1);
    CHECK_EQ(invoke<int>(labelThree, 1, 2, 10, false), 2);
    CHECK_EQ(invoke<int>(labelOne, -1, 2, 10, false), 1);
    CHECK_EQ(invoke<int>(labelTwo, -1, 2, 10, false), -3);
    CHECK_EQ(invoke<int>(labelThree, -1, 2, 10, false), -2);
    CHECK_EQ(invoke<int>(labelOne, 1, 2, 10, true), 1);
    CHECK_EQ(invoke<int>(labelTwo, 1, 2, 10, true), -3);
    CHECK_EQ(invoke<int>(labelThree, 1, 2, 10, true), -2);
    CHECK_EQ(invoke<int>(labelOne, -1, 2, 10, true), 3);
    CHECK_EQ(invoke<int>(labelTwo, -1, 2, 10, true), -1);
    CHECK_EQ(invoke<int>(labelThree, -1, 2, 10, true), 2);
    CHECK_EQ(invoke<int>(labelOne, 1, 2, 2, false), 1);
    CHECK_EQ(invoke<int>(labelTwo, 1, 2, 2, false), -1);
    CHECK_EQ(invoke<int>(labelThree, 1, 2, 2, false), 0);
    CHECK_EQ(invoke<int>(labelOne, -1, 2, 2, false), 1);
    CHECK_EQ(invoke<int>(labelTwo, -1, 2, 2, false), -1);
    CHECK_EQ(invoke<int>(labelThree, -1, 2, 2, false), 0);
    CHECK_EQ(invoke<int>(labelOne, 1, 2, 0, false), 0);
    CHECK_EQ(invoke<int>(labelTwo, 1, 2, 0, false), 0);
    CHECK_EQ(invoke<int>(labelThree, 1, 2, 0, false), 0);
    CHECK_EQ(invoke<int>(labelOne, -1, 2, 0, false), 0);
    CHECK_EQ(invoke<int>(labelTwo, -1, 2, 0, false), 0);
    CHECK_EQ(invoke<int>(labelThree, -1, 2, 0, false), 0);
}

void testEntrySwitchLoop()
{
    // This is a completely absurd use of EntrySwitch, where it impacts the loop condition. This
    // should cause duplication of either nearly the entire Procedure. At time of writing, we ended
    // up duplicating all of it, which is fine. It's important to test this case, to make sure that
    // the duplication algorithm can handle interesting control flow.
    
    Procedure proc;
    proc.setNumEntrypoints(2);
    
    BasicBlock* root = proc.addBlock();
    BasicBlock* loopHeader = proc.addBlock();
    BasicBlock* loopFooter = proc.addBlock();
    BasicBlock* end = proc.addBlock();

    UpsilonValue* initialValue = root->appendNew<UpsilonValue>(
        proc, Origin(), root->appendNew<Value>(
            proc, Trunc, Origin(),
            root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0)));
    root->appendNew<Value>(proc, Jump, Origin());
    root->setSuccessors(loopHeader);
    
    Value* valueInLoop = loopHeader->appendNew<Value>(proc, Phi, Int32, Origin());
    initialValue->setPhi(valueInLoop);
    Value* newValue = loopHeader->appendNew<Value>(
        proc, Add, Origin(), valueInLoop,
        loopHeader->appendNew<Const32Value>(proc, Origin(), 1));
    loopHeader->appendNew<Value>(proc, EntrySwitch, Origin());
    loopHeader->appendSuccessor(end);
    loopHeader->appendSuccessor(loopFooter);
    
    loopFooter->appendNew<UpsilonValue>(proc, Origin(), newValue, valueInLoop);
    loopFooter->appendNew<Value>(
        proc, Branch, Origin(),
        loopFooter->appendNew<Value>(
            proc, LessThan, Origin(), newValue,
            loopFooter->appendNew<Const32Value>(proc, Origin(), 100)));
    loopFooter->setSuccessors(loopHeader, end);
    
    end->appendNew<Value>(proc, Return, Origin(), newValue);
    
    prepareForGeneration(proc);
    
    CCallHelpers jit(vm);
    generate(proc, jit);
    LinkBuffer linkBuffer(*vm, jit, nullptr);
    CodeLocationLabel labelOne = linkBuffer.locationOf(proc.entrypointLabel(0));
    CodeLocationLabel labelTwo = linkBuffer.locationOf(proc.entrypointLabel(1));
    
    MacroAssemblerCodeRef codeRef = FINALIZE_CODE(linkBuffer, ("testb3 compilation"));

    CHECK(invoke<int>(labelOne, 0) == 1);
    CHECK(invoke<int>(labelOne, 42) == 43);
    CHECK(invoke<int>(labelOne, 1000) == 1001);
    
    CHECK(invoke<int>(labelTwo, 0) == 100);
    CHECK(invoke<int>(labelTwo, 42) == 100);
    CHECK(invoke<int>(labelTwo, 1000) == 1001);
}

void testSomeEarlyRegister()
{
    auto run = [&] (bool succeed) {
        Procedure proc;
        
        BasicBlock* root = proc.addBlock();
        
        PatchpointValue* patchpoint = root->appendNew<PatchpointValue>(proc, Int32, Origin());
        patchpoint->resultConstraint = ValueRep::reg(GPRInfo::returnValueGPR);
        bool ranFirstPatchpoint = false;
        patchpoint->setGenerator(
            [&] (CCallHelpers&, const StackmapGenerationParams& params) {
                CHECK(params[0].gpr() == GPRInfo::returnValueGPR);
                ranFirstPatchpoint = true;
            });
        
        Value* arg = patchpoint;
        
        patchpoint = root->appendNew<PatchpointValue>(proc, Int32, Origin());
        patchpoint->appendSomeRegister(arg);
        if (succeed)
            patchpoint->resultConstraint = ValueRep::SomeEarlyRegister;
        bool ranSecondPatchpoint = false;
        patchpoint->setGenerator(
            [&] (CCallHelpers&, const StackmapGenerationParams& params) {
                if (succeed)
                    CHECK(params[0].gpr() != params[1].gpr());
                else
                    CHECK(params[0].gpr() == params[1].gpr());
                ranSecondPatchpoint = true;
            });
        
        root->appendNew<Value>(proc, Return, Origin(), patchpoint);
        
        compile(proc);
        CHECK(ranFirstPatchpoint);
        CHECK(ranSecondPatchpoint);
    };
    
    run(true);
    run(false);
}

void testBranchBitAndImmFusion(
    B3::Opcode valueModifier, Type valueType, int64_t constant,
    Air::Opcode expectedOpcode, Air::Arg::Kind firstKind)
{
    // Currently this test should pass on all CPUs. But some CPUs may not support this fused
    // instruction. It's OK to skip this test on those CPUs.
    
    Procedure proc;
    
    BasicBlock* root = proc.addBlock();
    BasicBlock* one = proc.addBlock();
    BasicBlock* two = proc.addBlock();
    
    Value* left = root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0);
    
    if (valueModifier != Identity) {
        if (MemoryValue::accepts(valueModifier))
            left = root->appendNew<MemoryValue>(proc, valueModifier, valueType, Origin(), left);
        else
            left = root->appendNew<Value>(proc, valueModifier, valueType, Origin(), left);
    }
    
    root->appendNew<Value>(
        proc, Branch, Origin(),
        root->appendNew<Value>(
            proc, BitAnd, Origin(), left,
            root->appendIntConstant(proc, Origin(), valueType, constant)));
    root->setSuccessors(FrequentedBlock(one), FrequentedBlock(two));
    
    one->appendNew<Value>(proc, Oops, Origin());
    two->appendNew<Value>(proc, Oops, Origin());

    lowerToAirForTesting(proc);

    // The first basic block must end in a BranchTest64(resCond, tmp, bitImm).
    Air::Inst terminal = proc.code()[0]->last();
    CHECK_EQ(terminal.kind.opcode, expectedOpcode);
    CHECK_EQ(terminal.args[0].kind(), Air::Arg::ResCond);
    CHECK_EQ(terminal.args[1].kind(), firstKind);
    CHECK(terminal.args[2].kind() == Air::Arg::BitImm || terminal.args[2].kind() == Air::Arg::BitImm64);
}

void testPatchpointTerminalReturnValue(bool successIsRare)
{
    // This is a unit test for how FTL's heap allocation fast paths behave.
    Procedure proc;
    
    BasicBlock* root = proc.addBlock();
    BasicBlock* success = proc.addBlock();
    BasicBlock* slowPath = proc.addBlock();
    BasicBlock* continuation = proc.addBlock();
    
    Value* arg = root->appendNew<Value>(
        proc, Trunc, Origin(),
        root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0));
    
    PatchpointValue* patchpoint = root->appendNew<PatchpointValue>(proc, Int32, Origin());
    patchpoint->effects.terminal = true;
    patchpoint->clobber(RegisterSet::macroScratchRegisters());
    
    if (successIsRare) {
        root->appendSuccessor(FrequentedBlock(success, FrequencyClass::Rare));
        root->appendSuccessor(slowPath);
    } else {
        root->appendSuccessor(success);
        root->appendSuccessor(FrequentedBlock(slowPath, FrequencyClass::Rare));
    }
    
    patchpoint->appendSomeRegister(arg);
    
    patchpoint->setGenerator(
        [&] (CCallHelpers& jit, const StackmapGenerationParams& params) {
            AllowMacroScratchRegisterUsage allowScratch(jit);
            
            CCallHelpers::Jump jumpToSlow =
                jit.branch32(CCallHelpers::Above, params[1].gpr(), CCallHelpers::TrustedImm32(42));
            
            jit.add32(CCallHelpers::TrustedImm32(31), params[1].gpr(), params[0].gpr());
            
            CCallHelpers::Jump jumpToSuccess;
            if (!params.fallsThroughToSuccessor(0))
                jumpToSuccess = jit.jump();
            
            Vector<Box<CCallHelpers::Label>> labels = params.successorLabels();
            
            params.addLatePath(
                [=] (CCallHelpers& jit) {
                    jumpToSlow.linkTo(*labels[1], &jit);
                    if (jumpToSuccess.isSet())
                        jumpToSuccess.linkTo(*labels[0], &jit);
                });
        });
    
    UpsilonValue* successUpsilon = success->appendNew<UpsilonValue>(proc, Origin(), patchpoint);
    success->appendNew<Value>(proc, Jump, Origin());
    success->setSuccessors(continuation);
    
    UpsilonValue* slowPathUpsilon = slowPath->appendNew<UpsilonValue>(
        proc, Origin(), slowPath->appendNew<Const32Value>(proc, Origin(), 666));
    slowPath->appendNew<Value>(proc, Jump, Origin());
    slowPath->setSuccessors(continuation);
    
    Value* phi = continuation->appendNew<Value>(proc, Phi, Int32, Origin());
    successUpsilon->setPhi(phi);
    slowPathUpsilon->setPhi(phi);
    continuation->appendNew<Value>(proc, Return, Origin(), phi);
    
    auto code = compile(proc);
    CHECK_EQ(invoke<int>(*code, 0), 31);
    CHECK_EQ(invoke<int>(*code, 1), 32);
    CHECK_EQ(invoke<int>(*code, 41), 72);
    CHECK_EQ(invoke<int>(*code, 42), 73);
    CHECK_EQ(invoke<int>(*code, 43), 666);
    CHECK_EQ(invoke<int>(*code, -1), 666);
}

void testMemoryFence()
{
    Procedure proc;
    
    BasicBlock* root = proc.addBlock();
    
    root->appendNew<FenceValue>(proc, Origin());
    root->appendNew<Value>(proc, Return, Origin(), root->appendIntConstant(proc, Origin(), Int32, 42));
    
    auto code = compile(proc);
    CHECK_EQ(invoke<int>(*code), 42);
    if (isX86())
        checkUsesInstruction(*code, "lock or $0x0, (%rsp)");
    if (isARM64())
        checkUsesInstruction(*code, "dmb    ish");
    checkDoesNotUseInstruction(*code, "mfence");
    checkDoesNotUseInstruction(*code, "dmb    ishst");
}

void testStoreFence()
{
    Procedure proc;
    
    BasicBlock* root = proc.addBlock();
    
    root->appendNew<FenceValue>(proc, Origin(), HeapRange::top(), HeapRange());
    root->appendNew<Value>(proc, Return, Origin(), root->appendIntConstant(proc, Origin(), Int32, 42));
    
    auto code = compile(proc);
    CHECK_EQ(invoke<int>(*code), 42);
    checkDoesNotUseInstruction(*code, "lock");
    checkDoesNotUseInstruction(*code, "mfence");
    if (isARM64())
        checkUsesInstruction(*code, "dmb    ishst");
}

void testLoadFence()
{
    Procedure proc;
    
    BasicBlock* root = proc.addBlock();
    
    root->appendNew<FenceValue>(proc, Origin(), HeapRange(), HeapRange::top());
    root->appendNew<Value>(proc, Return, Origin(), root->appendIntConstant(proc, Origin(), Int32, 42));
    
    auto code = compile(proc);
    CHECK_EQ(invoke<int>(*code), 42);
    checkDoesNotUseInstruction(*code, "lock");
    checkDoesNotUseInstruction(*code, "mfence");
    if (isARM64())
        checkUsesInstruction(*code, "dmb    ish");
    checkDoesNotUseInstruction(*code, "dmb    ishst");
}

void testTrappingLoad()
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    int x = 42;
    MemoryValue* value = root->appendNew<MemoryValue>(
        proc, trapping(Load), Int32, Origin(),
        root->appendNew<ConstPtrValue>(proc, Origin(), &x));
    Effects expectedEffects;
    expectedEffects.exitsSideways = true;
    expectedEffects.controlDependent= true;
    expectedEffects.reads = HeapRange::top();
    CHECK_EQ(value->range(), HeapRange::top());
    CHECK_EQ(value->effects(), expectedEffects);
    value->setRange(HeapRange(0));
    CHECK_EQ(value->range(), HeapRange(0));
    CHECK_EQ(value->effects(), expectedEffects); // We still reads top!
    root->appendNew<Value>(proc, Return, Origin(), value);
    CHECK_EQ(compileAndRun<int>(proc), 42);
    unsigned trapsCount = 0;
    for (Air::BasicBlock* block : proc.code()) {
        for (Air::Inst& inst : *block) {
            if (inst.kind.traps)
                trapsCount++;
        }
    }
    CHECK_EQ(trapsCount, 1u);
}

void testTrappingStore()
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    int x = 42;
    MemoryValue* value = root->appendNew<MemoryValue>(
        proc, trapping(Store), Origin(),
        root->appendNew<Const32Value>(proc, Origin(), 111),
        root->appendNew<ConstPtrValue>(proc, Origin(), &x));
    Effects expectedEffects;
    expectedEffects.exitsSideways = true;
    expectedEffects.controlDependent= true;
    expectedEffects.reads = HeapRange::top();
    expectedEffects.writes = HeapRange::top();
    CHECK_EQ(value->range(), HeapRange::top());
    CHECK_EQ(value->effects(), expectedEffects);
    value->setRange(HeapRange(0));
    CHECK_EQ(value->range(), HeapRange(0));
    expectedEffects.writes = HeapRange(0);
    CHECK_EQ(value->effects(), expectedEffects); // We still reads top!
    root->appendNew<Value>(proc, Return, Origin());
    compileAndRun<int>(proc);
    CHECK_EQ(x, 111);
    unsigned trapsCount = 0;
    for (Air::BasicBlock* block : proc.code()) {
        for (Air::Inst& inst : *block) {
            if (inst.kind.traps)
                trapsCount++;
        }
    }
    CHECK_EQ(trapsCount, 1u);
}

void testTrappingLoadAddStore()
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    int x = 42;
    ConstPtrValue* ptr = root->appendNew<ConstPtrValue>(proc, Origin(), &x);
    root->appendNew<MemoryValue>(
        proc, trapping(Store), Origin(),
        root->appendNew<Value>(
            proc, Add, Origin(),
            root->appendNew<MemoryValue>(proc, trapping(Load), Int32, Origin(), ptr),
            root->appendNew<Const32Value>(proc, Origin(), 3)),
        ptr);
    root->appendNew<Value>(proc, Return, Origin());
    compileAndRun<int>(proc);
    CHECK_EQ(x, 45);
    bool traps = false;
    for (Air::BasicBlock* block : proc.code()) {
        for (Air::Inst& inst : *block) {
            if (inst.kind.traps)
                traps = true;
        }
    }
    CHECK(traps);
}

void testTrappingLoadDCE()
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    int x = 42;
    root->appendNew<MemoryValue>(
        proc, trapping(Load), Int32, Origin(),
        root->appendNew<ConstPtrValue>(proc, Origin(), &x));
    root->appendNew<Value>(proc, Return, Origin());
    compileAndRun<int>(proc);
    unsigned trapsCount = 0;
    for (Air::BasicBlock* block : proc.code()) {
        for (Air::Inst& inst : *block) {
            if (inst.kind.traps)
                trapsCount++;
        }
    }
    CHECK_EQ(trapsCount, 1u);
}

void testTrappingStoreElimination()
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    int x = 42;
    Value* ptr = root->appendNew<ConstPtrValue>(proc, Origin(), &x);
    root->appendNew<MemoryValue>(
        proc, trapping(Store), Origin(),
        root->appendNew<Const32Value>(proc, Origin(), 43),
        ptr);
    root->appendNew<MemoryValue>(
        proc, trapping(Store), Origin(),
        root->appendNew<Const32Value>(proc, Origin(), 44),
        ptr);
    root->appendNew<Value>(proc, Return, Origin());
    compileAndRun<int>(proc);
    unsigned storeCount = 0;
    for (Value* value : proc.values()) {
        if (MemoryValue::isStore(value->opcode()))
            storeCount++;
    }
    CHECK_EQ(storeCount, 2u);
}

void testMoveConstants()
{
    auto check = [] (Procedure& proc) {
        proc.resetReachability();
        
        if (shouldBeVerbose()) {
            dataLog("IR before:\n");
            dataLog(proc);
        }
        
        moveConstants(proc);
        
        if (shouldBeVerbose()) {
            dataLog("IR after:\n");
            dataLog(proc);
        }
        
        UseCounts useCounts(proc);
        unsigned count = 0;
        for (Value* value : proc.values()) {
            if (useCounts.numUses(value) && value->hasInt64())
                count++;
        }
        
        if (count == 1)
            return;
        
        crashLock.lock();
        dataLog("Fail in testMoveConstants: got more than one Const64:\n");
        dataLog(proc);
        CRASH();
    };

    {
        Procedure proc;
        BasicBlock* root = proc.addBlock();
        Value* a = root->appendNew<MemoryValue>(
            proc, Load, pointerType(), Origin(), 
            root->appendNew<ConstPtrValue>(proc, Origin(), 0x123412341234));
        Value* b = root->appendNew<MemoryValue>(
            proc, Load, pointerType(), Origin(),
            root->appendNew<ConstPtrValue>(proc, Origin(), 0x123412341334));
        root->appendNew<CCallValue>(proc, Void, Origin(), a, b);
        root->appendNew<Value>(proc, Return, Origin());
        check(proc);
    }
    
    {
        Procedure proc;
        BasicBlock* root = proc.addBlock();
        Value* x = root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0);
        Value* a = root->appendNew<Value>(
            proc, Add, Origin(), x, root->appendNew<ConstPtrValue>(proc, Origin(), 0x123412341234));
        Value* b = root->appendNew<Value>(
            proc, Add, Origin(), x, root->appendNew<ConstPtrValue>(proc, Origin(), -0x123412341234));
        root->appendNew<CCallValue>(proc, Void, Origin(), a, b);
        root->appendNew<Value>(proc, Return, Origin());
        check(proc);
    }
}

void testPCOriginMapDoesntInsertNops()
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();

    CCallHelpers::Label watchpointLabel;

    PatchpointValue* patchpoint = root->appendNew<PatchpointValue>(proc, Void, Origin());
    patchpoint->setGenerator(
        [&] (CCallHelpers& jit, const StackmapGenerationParams&) {
            watchpointLabel = jit.watchpointLabel();
        });

    patchpoint = root->appendNew<PatchpointValue>(proc, Void, Origin());
    patchpoint->setGenerator(
        [&] (CCallHelpers& jit, const StackmapGenerationParams&) {
            CCallHelpers::Label labelIgnoringWatchpoints = jit.labelIgnoringWatchpoints();

            CHECK(watchpointLabel == labelIgnoringWatchpoints);
        });

    root->appendNew<Value>(proc, Return, Origin());

    compile(proc);
}

void testPinRegisters()
{
    auto go = [&] (bool pin) {
        Procedure proc;
        RegisterSet csrs;
        csrs.merge(RegisterSet::calleeSaveRegisters());
        csrs.exclude(RegisterSet::stackRegisters());
        if (pin) {
            csrs.forEach(
                [&] (Reg reg) {
                    proc.pinRegister(reg);
                });
        }
        BasicBlock* root = proc.addBlock();
        Value* a = root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0);
        Value* b = root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR1);
        Value* c = root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR2);
        Value* d = root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::regCS0);
        root->appendNew<CCallValue>(
            proc, Void, Origin(),
            root->appendNew<ConstPtrValue>(proc, Origin(), static_cast<intptr_t>(0x1234)));
        root->appendNew<CCallValue>(
            proc, Void, Origin(),
            root->appendNew<ConstPtrValue>(proc, Origin(), static_cast<intptr_t>(0x1235)),
            a, b, c);
        PatchpointValue* patchpoint = root->appendNew<PatchpointValue>(proc, Void, Origin());
        patchpoint->appendSomeRegister(d);
        patchpoint->setGenerator(
            [&] (CCallHelpers&, const StackmapGenerationParams& params) {
                CHECK_EQ(params[0].gpr(), GPRInfo::regCS0);
            });
        root->appendNew<Value>(proc, Return, Origin());
        auto code = compile(proc);
        bool usesCSRs = false;
        for (Air::BasicBlock* block : proc.code()) {
            for (Air::Inst& inst : *block) {
                if (inst.kind.opcode == Air::Patch && inst.origin == patchpoint)
                    continue;
                inst.forEachTmpFast(
                    [&] (Air::Tmp tmp) {
                        if (tmp.isReg())
                            usesCSRs |= csrs.get(tmp.reg());
                    });
            }
        }
        for (const RegisterAtOffset& regAtOffset : proc.calleeSaveRegisters())
            usesCSRs |= csrs.get(regAtOffset.reg());
        CHECK_EQ(usesCSRs, !pin);
    };
    
    go(true);
    go(false);
}

void testX86LeaAddAddShlLeft()
{
    // Add(Add(Shl(@x, $c), @y), $d)
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    Value* result = root->appendNew<Value>(
        proc, Add, Origin(),
        root->appendNew<Value>(
            proc, Add, Origin(),
            root->appendNew<Value>(
                proc, Shl, Origin(),
                root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR1),
                root->appendNew<Const32Value>(proc, Origin(), 2)),
            root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0)),
        root->appendNew<ConstPtrValue>(proc, Origin(), 100));
    root->appendNew<Value>(proc, Return, Origin(), result);
    
    auto code = compile(proc);
    checkUsesInstruction(*code, "lea 0x64(%rdi,%rsi,4), %rax");
    CHECK_EQ(invoke<intptr_t>(*code, 1, 2), (1 + (2 << 2)) + 100);
}

void testX86LeaAddAddShlRight()
{
    // Add(Add(@x, Shl(@y, $c)), $d)
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    Value* result = root->appendNew<Value>(
        proc, Add, Origin(),
        root->appendNew<Value>(
            proc, Add, Origin(),
            root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0),
            root->appendNew<Value>(
                proc, Shl, Origin(),
                root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR1),
                root->appendNew<Const32Value>(proc, Origin(), 2))),
        root->appendNew<ConstPtrValue>(proc, Origin(), 100));
    root->appendNew<Value>(proc, Return, Origin(), result);
    
    auto code = compile(proc);
    checkUsesInstruction(*code, "lea 0x64(%rdi,%rsi,4), %rax");
    CHECK_EQ(invoke<intptr_t>(*code, 1, 2), (1 + (2 << 2)) + 100);
}

void testX86LeaAddAdd()
{
    // Add(Add(@x, @y), $c)
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    Value* result = root->appendNew<Value>(
        proc, Add, Origin(),
        root->appendNew<Value>(
            proc, Add, Origin(),
            root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR1),
            root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0)),
        root->appendNew<ConstPtrValue>(proc, Origin(), 100));
    root->appendNew<Value>(proc, Return, Origin(), result);
    
    auto code = compile(proc);
    checkDisassembly(
        *code,
        [&] (const char* disassembly) -> bool {
            return strstr(disassembly, "lea 0x64(%rdi,%rsi), %rax")
                || strstr(disassembly, "lea 0x64(%rsi,%rdi), %rax");
        },
        "Expected to find something like lea 0x64(%rdi,%rsi), %rax but didn't!");
    CHECK_EQ(invoke<intptr_t>(*code, 1, 2), (1 + 2) + 100);
}

void testX86LeaAddShlRight()
{
    // Add(Shl(@x, $c), @y)
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    Value* result = root->appendNew<Value>(
        proc, Add, Origin(),
        root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0),
        root->appendNew<Value>(
            proc, Shl, Origin(),
            root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR1),
            root->appendNew<Const32Value>(proc, Origin(), 2)));
    root->appendNew<Value>(proc, Return, Origin(), result);
    
    auto code = compile(proc);
    checkUsesInstruction(*code, "lea (%rdi,%rsi,4), %rax");
    CHECK_EQ(invoke<intptr_t>(*code, 1, 2), 1 + (2 << 2));
}

void testX86LeaAddShlLeftScale1()
{
    // Add(Shl(@x, $c), @y)
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    Value* result = root->appendNew<Value>(
        proc, Add, Origin(),
        root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0),
        root->appendNew<Value>(
            proc, Shl, Origin(),
            root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR1),
            root->appendNew<Const32Value>(proc, Origin(), 0)));
    root->appendNew<Value>(proc, Return, Origin(), result);
    
    auto code = compile(proc);
    checkDisassembly(
        *code,
        [&] (const char* disassembly) -> bool {
            return strstr(disassembly, "lea (%rdi,%rsi), %rax")
                || strstr(disassembly, "lea (%rsi,%rdi), %rax");
        },
        "Expected to find something like lea (%rdi,%rsi), %rax but didn't!");
    CHECK_EQ(invoke<intptr_t>(*code, 1, 2), 1 + 2);
}

void testX86LeaAddShlLeftScale2()
{
    // Add(Shl(@x, $c), @y)
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    Value* result = root->appendNew<Value>(
        proc, Add, Origin(),
        root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0),
        root->appendNew<Value>(
            proc, Shl, Origin(),
            root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR1),
            root->appendNew<Const32Value>(proc, Origin(), 1)));
    root->appendNew<Value>(proc, Return, Origin(), result);
    
    auto code = compile(proc);
    checkUsesInstruction(*code, "lea (%rdi,%rsi,2), %rax");
    CHECK_EQ(invoke<intptr_t>(*code, 1, 2), 1 + (2 << 1));
}

void testX86LeaAddShlLeftScale4()
{
    // Add(Shl(@x, $c), @y)
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    Value* result = root->appendNew<Value>(
        proc, Add, Origin(),
        root->appendNew<Value>(
            proc, Shl, Origin(),
            root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR1),
            root->appendNew<Const32Value>(proc, Origin(), 2)),
        root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0));
    root->appendNew<Value>(proc, Return, Origin(), result);
    
    auto code = compile(proc);
    checkUsesInstruction(*code, "lea (%rdi,%rsi,4), %rax");
    CHECK_EQ(invoke<intptr_t>(*code, 1, 2), 1 + (2 << 2));
}

void testX86LeaAddShlLeftScale8()
{
    // Add(Shl(@x, $c), @y)
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    Value* result = root->appendNew<Value>(
        proc, Add, Origin(),
        root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0),
        root->appendNew<Value>(
            proc, Shl, Origin(),
            root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR1),
            root->appendNew<Const32Value>(proc, Origin(), 3)));
    root->appendNew<Value>(proc, Return, Origin(), result);
    
    auto code = compile(proc);
    checkUsesInstruction(*code, "lea (%rdi,%rsi,8), %rax");
    CHECK_EQ(invoke<intptr_t>(*code, 1, 2), 1 + (2 << 3));
}

void testAddShl32()
{
    // Add(Shl(@x, $c), @y)
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    Value* result = root->appendNew<Value>(
        proc, Add, Origin(),
        root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0),
        root->appendNew<Value>(
            proc, Shl, Origin(),
            root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR1),
            root->appendNew<Const32Value>(proc, Origin(), 32)));
    root->appendNew<Value>(proc, Return, Origin(), result);
    
    auto code = compile(proc);
    CHECK_EQ(invoke<intptr_t>(*code, 1, 2), 1 + (static_cast<intptr_t>(2) << static_cast<intptr_t>(32)));
}

void testAddShl64()
{
    // Add(Shl(@x, $c), @y)
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    Value* result = root->appendNew<Value>(
        proc, Add, Origin(),
        root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0),
        root->appendNew<Value>(
            proc, Shl, Origin(),
            root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR1),
            root->appendNew<Const32Value>(proc, Origin(), 64)));
    root->appendNew<Value>(proc, Return, Origin(), result);
    
    auto code = compile(proc);
    CHECK_EQ(invoke<intptr_t>(*code, 1, 2), 1 + 2);
}

void testAddShl65()
{
    // Add(Shl(@x, $c), @y)
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    Value* result = root->appendNew<Value>(
        proc, Add, Origin(),
        root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0),
        root->appendNew<Value>(
            proc, Shl, Origin(),
            root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR1),
            root->appendNew<Const32Value>(proc, Origin(), 65)));
    root->appendNew<Value>(proc, Return, Origin(), result);
    
    auto code = compile(proc);
    CHECK_EQ(invoke<intptr_t>(*code, 1, 2), 1 + (2 << 1));
}

void testReduceStrengthReassociation(bool flip)
{
    // Add(Add(@x, $c), @y) -> Add(Add(@x, @y), $c)
    // and
    // Add(@y, Add(@x, $c)) -> Add(Add(@x, @y), $c)
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    Value* arg1 = root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0);
    Value* arg2 = root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR1);
    
    Value* innerAdd = root->appendNew<Value>(
        proc, Add, Origin(), arg1,
        root->appendNew<ConstPtrValue>(proc, Origin(), 42));
    
    Value* outerAdd;
    if (flip)
        outerAdd = root->appendNew<Value>(proc, Add, Origin(), arg2, innerAdd);
    else
        outerAdd = root->appendNew<Value>(proc, Add, Origin(), innerAdd, arg2);
    
    root->appendNew<Value>(proc, Return, Origin(), outerAdd);
    
    proc.resetReachability();

    if (shouldBeVerbose()) {
        dataLog("IR before reduceStrength:\n");
        dataLog(proc);
    }
    
    reduceStrength(proc);
    
    if (shouldBeVerbose()) {
        dataLog("IR after reduceStrength:\n");
        dataLog(proc);
    }
    
    CHECK_EQ(root->last()->opcode(), Return);
    CHECK_EQ(root->last()->child(0)->opcode(), Add);
    CHECK(root->last()->child(0)->child(1)->isIntPtr(42));
    CHECK_EQ(root->last()->child(0)->child(0)->opcode(), Add);
    CHECK(
        (root->last()->child(0)->child(0)->child(0) == arg1 && root->last()->child(0)->child(0)->child(1) == arg2) ||
        (root->last()->child(0)->child(0)->child(0) == arg2 && root->last()->child(0)->child(0)->child(1) == arg1));
}

void testLoadBaseIndexShift2()
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    root->appendNew<Value>(
        proc, Return, Origin(),
        root->appendNew<MemoryValue>(
            proc, Load, Int32, Origin(),
            root->appendNew<Value>(
                proc, Add, Origin(),
                root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0),
                root->appendNew<Value>(
                    proc, Shl, Origin(),
                    root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR1),
                    root->appendNew<Const32Value>(proc, Origin(), 2)))));
    auto code = compile(proc);
    if (isX86())
        checkUsesInstruction(*code, "(%rdi,%rsi,4)");
    int32_t value = 12341234;
    char* ptr = bitwise_cast<char*>(&value);
    for (unsigned i = 0; i < 10; ++i)
        CHECK_EQ(invoke<int32_t>(*code, ptr - (static_cast<intptr_t>(1) << static_cast<intptr_t>(2)) * i, i), 12341234);
}

void testLoadBaseIndexShift32()
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    root->appendNew<Value>(
        proc, Return, Origin(),
        root->appendNew<MemoryValue>(
            proc, Load, Int32, Origin(),
            root->appendNew<Value>(
                proc, Add, Origin(),
                root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0),
                root->appendNew<Value>(
                    proc, Shl, Origin(),
                    root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR1),
                    root->appendNew<Const32Value>(proc, Origin(), 32)))));
    auto code = compile(proc);
    int32_t value = 12341234;
    char* ptr = bitwise_cast<char*>(&value);
    for (unsigned i = 0; i < 10; ++i)
        CHECK_EQ(invoke<int32_t>(*code, ptr - (static_cast<intptr_t>(1) << static_cast<intptr_t>(32)) * i, i), 12341234);
}

void testOptimizeMaterialization()
{
    Procedure proc;
    BasicBlock* root = proc.addBlock();
    root->appendNew<CCallValue>(
        proc, Void, Origin(),
        root->appendNew<ConstPtrValue>(proc, Origin(), 0x123423453456llu),
        root->appendNew<ConstPtrValue>(proc, Origin(), 0x123423453456llu + 35));
    root->appendNew<Value>(proc, Return, Origin());
    
    auto code = compile(proc);
    bool found = false;
    for (Air::BasicBlock* block : proc.code()) {
        for (Air::Inst& inst : *block) {
            if (inst.kind.opcode != Air::Add64)
                continue;
            if (inst.args[0] != Air::Arg::imm(35))
                continue;
            found = true;
        }
    }
    CHECK(found);
}

void testWasmBoundsCheck(unsigned offset)
{
    Procedure proc;
    GPRReg pinned = GPRInfo::argumentGPR1;
    proc.pinRegister(pinned);

    proc.setWasmBoundsCheckGenerator([=] (CCallHelpers& jit, GPRReg pinnedGPR, unsigned actualOffset) {
        CHECK_EQ(pinnedGPR, pinned);
        CHECK_EQ(actualOffset, offset);

        // This should always work because a function this simple should never have callee
        // saves.
        jit.move(CCallHelpers::TrustedImm32(42), GPRInfo::returnValueGPR);
        jit.emitFunctionEpilogue();
        jit.ret();
    });

    BasicBlock* root = proc.addBlock();
    Value* left = root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0);
    if (pointerType() != Int32)
        left = root->appendNew<Value>(proc, Trunc, Origin(), left);
    root->appendNew<WasmBoundsCheckValue>(proc, Origin(), left, pinned, offset);
    Value* result = root->appendNew<Const32Value>(proc, Origin(), 0x42);
    root->appendNewControlValue(proc, Return, Origin(), result);

    auto code = compile(proc);
    CHECK_EQ(invoke<int32_t>(*code, 1, 2 + offset), 0x42);
    CHECK_EQ(invoke<int32_t>(*code, 3, 2 + offset), 42);
    CHECK_EQ(invoke<int32_t>(*code, 2, 2 + offset), 42);
}

void testWasmAddress()
{
    Procedure proc;
    GPRReg pinnedGPR = GPRInfo::argumentGPR2;
    proc.pinRegister(pinnedGPR);

    unsigned loopCount = 100;
    Vector<unsigned> values(loopCount);
    unsigned numToStore = 42;

    BasicBlock* root = proc.addBlock();
    BasicBlock* header = proc.addBlock();
    BasicBlock* body = proc.addBlock();
    BasicBlock* continuation = proc.addBlock();

    // Root
    Value* loopCountValue = root->appendNew<Value>(proc, Trunc, Origin(), root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR0));
    Value* valueToStore = root->appendNew<Value>(proc, Trunc, Origin(), root->appendNew<ArgumentRegValue>(proc, Origin(), GPRInfo::argumentGPR1));
    UpsilonValue* beginUpsilon = root->appendNew<UpsilonValue>(proc, Origin(), root->appendNew<Const32Value>(proc, Origin(), 0));
    root->appendNewControlValue(proc, Jump, Origin(), header);

    // Header
    Value* indexPhi = header->appendNew<Value>(proc, Phi, Int32, Origin());
    header->appendNewControlValue(proc, Branch, Origin(),
        header->appendNew<Value>(proc, Below, Origin(), indexPhi, loopCountValue),
        body, continuation);

    // Body
    Value* pointer = body->appendNew<Value>(proc, Mul, Origin(), indexPhi,
        body->appendNew<Const32Value>(proc, Origin(), sizeof(unsigned)));
    pointer = body->appendNew<Value>(proc, ZExt32, Origin(), pointer);
    body->appendNew<MemoryValue>(proc, Store, Origin(), valueToStore,
        body->appendNew<WasmAddressValue>(proc, Origin(), pointer, pinnedGPR));
    UpsilonValue* incUpsilon = body->appendNew<UpsilonValue>(proc, Origin(),
        body->appendNew<Value>(proc, Add, Origin(), indexPhi,
            body->appendNew<Const32Value>(proc, Origin(), 1)));
    body->appendNewControlValue(proc, Jump, Origin(), header);

    // Continuation
    continuation->appendNewControlValue(proc, Return, Origin());

    beginUpsilon->setPhi(indexPhi);
    incUpsilon->setPhi(indexPhi);


    auto code = compile(proc);
    invoke<void>(*code, loopCount, numToStore, values.data());
    for (unsigned value : values)
        CHECK_EQ(numToStore, value);
}

// Make sure the compiler does not try to optimize anything out.
NEVER_INLINE double zero()
{
    return 0.;
}

double negativeZero()
{
    return -zero();
}

#define RUN(test) do {                          \
        if (!shouldRun(#test))                  \
            break;                              \
        tasks.append(                           \
            createSharedTask<void()>(           \
                [&] () {                        \
                    dataLog(#test "...\n");     \
                    test;                       \
                    dataLog(#test ": OK!\n");   \
                }));                            \
    } while (false);

#define RUN_UNARY(test, values) \
    for (auto a : values) {                             \
        CString testStr = toCString(#test, "(", a.name, ")"); \
        if (!shouldRun(testStr.data()))                 \
            continue;                                   \
        tasks.append(createSharedTask<void()>(          \
            [=] () {                                    \
                dataLog(toCString(testStr, "...\n"));   \
                test(a.value);                          \
                dataLog(toCString(testStr, ": OK!\n")); \
            }));                                        \
    }

#define RUN_BINARY(test, valuesA, valuesB) \
    for (auto a : valuesA) {                                \
        for (auto b : valuesB) {                            \
            CString testStr = toCString(#test, "(", a.name, ", ", b.name, ")"); \
            if (!shouldRun(testStr.data()))                 \
                continue;                                   \
            tasks.append(createSharedTask<void()>(          \
                [=] () {                                    \
                    dataLog(toCString(testStr, "...\n"));   \
                    test(a.value, b.value);                 \
                    dataLog(toCString(testStr, ": OK!\n")); \
                }));                                        \
        }                                                   \
    }

void run(const char* filter)
{
    JSC::initializeThreading();
    vm = &VM::create(LargeHeap).leakRef();

    Deque<RefPtr<SharedTask<void()>>> tasks;

    auto shouldRun = [&] (const char* testName) -> bool {
        return !filter || !!strcasestr(testName, filter);
    };

    RUN(test42());
    RUN(testLoad42());
    RUN(testLoadOffsetImm9Max());
    RUN(testLoadOffsetImm9MaxPlusOne());
    RUN(testLoadOffsetImm9MaxPlusTwo());
    RUN(testLoadOffsetImm9Min());
    RUN(testLoadOffsetImm9MinMinusOne());
    RUN(testLoadOffsetScaledUnsignedImm12Max());
    RUN(testLoadOffsetScaledUnsignedOverImm12Max());
    RUN(testArg(43));
    RUN(testReturnConst64(5));
    RUN(testReturnConst64(-42));
    RUN(testReturnVoid());

    RUN(testAddArg(111));
    RUN(testAddArgs(1, 1));
    RUN(testAddArgs(1, 2));
    RUN(testAddArgImm(1, 2));
    RUN(testAddArgImm(0, 2));
    RUN(testAddArgImm(1, 0));
    RUN(testAddImmArg(1, 2));
    RUN(testAddImmArg(0, 2));
    RUN(testAddImmArg(1, 0));
    RUN_BINARY(testAddArgMem, int64Operands(), int64Operands());
    RUN_BINARY(testAddMemArg, int64Operands(), int64Operands());
    RUN_BINARY(testAddImmMem, int64Operands(), int64Operands());
    RUN_UNARY(testAddArg32, int32Operands());
    RUN(testAddArgs32(1, 1));
    RUN(testAddArgs32(1, 2));
    RUN_BINARY(testAddArgMem32, int32Operands(), int32Operands());
    RUN_BINARY(testAddMemArg32, int32Operands(), int32Operands());
    RUN_BINARY(testAddImmMem32, int32Operands(), int32Operands());
    RUN(testAddArgZeroImmZDef());
    RUN(testAddLoadTwice());

    RUN(testAddArgDouble(M_PI));
    RUN(testAddArgsDouble(M_PI, 1));
    RUN(testAddArgsDouble(M_PI, -M_PI));
    RUN(testAddArgImmDouble(M_PI, 1));
    RUN(testAddArgImmDouble(M_PI, 0));
    RUN(testAddArgImmDouble(M_PI, negativeZero()));
    RUN(testAddArgImmDouble(0, 0));
    RUN(testAddArgImmDouble(0, negativeZero()));
    RUN(testAddArgImmDouble(negativeZero(), 0));
    RUN(testAddArgImmDouble(negativeZero(), negativeZero()));
    RUN(testAddImmArgDouble(M_PI, 1));
    RUN(testAddImmArgDouble(M_PI, 0));
    RUN(testAddImmArgDouble(M_PI, negativeZero()));
    RUN(testAddImmArgDouble(0, 0));
    RUN(testAddImmArgDouble(0, negativeZero()));
    RUN(testAddImmArgDouble(negativeZero(), 0));
    RUN(testAddImmArgDouble(negativeZero(), negativeZero()));
    RUN(testAddImmsDouble(M_PI, 1));
    RUN(testAddImmsDouble(M_PI, 0));
    RUN(testAddImmsDouble(M_PI, negativeZero()));
    RUN(testAddImmsDouble(0, 0));
    RUN(testAddImmsDouble(0, negativeZero()));
    RUN(testAddImmsDouble(negativeZero(), negativeZero()));
    RUN_UNARY(testAddArgFloat, floatingPointOperands<float>());
    RUN_BINARY(testAddArgsFloat, floatingPointOperands<float>(), floatingPointOperands<float>());
    RUN_BINARY(testAddFPRArgsFloat, floatingPointOperands<float>(), floatingPointOperands<float>());
    RUN_BINARY(testAddArgImmFloat, floatingPointOperands<float>(), floatingPointOperands<float>());
    RUN_BINARY(testAddImmArgFloat, floatingPointOperands<float>(), floatingPointOperands<float>());
    RUN_BINARY(testAddImmsFloat, floatingPointOperands<float>(), floatingPointOperands<float>());
    RUN_UNARY(testAddArgFloatWithUselessDoubleConversion, floatingPointOperands<float>());
    RUN_BINARY(testAddArgsFloatWithUselessDoubleConversion, floatingPointOperands<float>(), floatingPointOperands<float>());
    RUN_BINARY(testAddArgsFloatWithEffectfulDoubleConversion, floatingPointOperands<float>(), floatingPointOperands<float>());

    RUN(testMulArg(5));
    RUN(testMulAddArg(5));
    RUN(testMulAddArg(85));
    RUN(testMulArgStore(5));
    RUN(testMulArgStore(85));
    RUN(testMulArgs(1, 1));
    RUN(testMulArgs(1, 2));
    RUN(testMulArgs(3, 3));
    RUN(testMulArgImm(1, 2));
    RUN(testMulArgImm(1, 4));
    RUN(testMulArgImm(1, 8));
    RUN(testMulArgImm(1, 16));
    RUN(testMulArgImm(1, 0x80000000llu));
    RUN(testMulArgImm(1, 0x800000000000llu));
    RUN(testMulArgImm(7, 2));
    RUN(testMulArgImm(7, 4));
    RUN(testMulArgImm(7, 8));
    RUN(testMulArgImm(7, 16));
    RUN(testMulArgImm(7, 0x80000000llu));
    RUN(testMulArgImm(7, 0x800000000000llu));
    RUN(testMulArgImm(-42, 2));
    RUN(testMulArgImm(-42, 4));
    RUN(testMulArgImm(-42, 8));
    RUN(testMulArgImm(-42, 16));
    RUN(testMulArgImm(-42, 0x80000000llu));
    RUN(testMulArgImm(-42, 0x800000000000llu));
    RUN(testMulArgImm(0, 2));
    RUN(testMulArgImm(1, 0));
    RUN(testMulArgImm(3, 3));
    RUN(testMulArgImm(3, -1));
    RUN(testMulArgImm(-3, -1));
    RUN(testMulArgImm(0, -1));
    RUN(testMulImmArg(1, 2));
    RUN(testMulImmArg(0, 2));
    RUN(testMulImmArg(1, 0));
    RUN(testMulImmArg(3, 3));
    RUN(testMulArgs32(1, 1));
    RUN(testMulArgs32(1, 2));
    RUN(testMulLoadTwice());
    RUN(testMulAddArgsLeft());
    RUN(testMulAddArgsRight());
    RUN(testMulAddArgsLeft32());
    RUN(testMulAddArgsRight32());
    RUN(testMulSubArgsLeft());
    RUN(testMulSubArgsRight());
    RUN(testMulSubArgsLeft32());
    RUN(testMulSubArgsRight32());
    RUN(testMulNegArgs());
    RUN(testMulNegArgs32());

    RUN_UNARY(testMulArgDouble, floatingPointOperands<double>());
    RUN_BINARY(testMulArgsDouble, floatingPointOperands<double>(), floatingPointOperands<double>());
    RUN_BINARY(testMulArgImmDouble, floatingPointOperands<double>(), floatingPointOperands<double>());
    RUN_BINARY(testMulImmArgDouble, floatingPointOperands<double>(), floatingPointOperands<double>());
    RUN_BINARY(testMulImmsDouble, floatingPointOperands<double>(), floatingPointOperands<double>());
    RUN_UNARY(testMulArgFloat, floatingPointOperands<float>());
    RUN_BINARY(testMulArgsFloat, floatingPointOperands<float>(), floatingPointOperands<float>());
    RUN_BINARY(testMulArgImmFloat, floatingPointOperands<float>(), floatingPointOperands<float>());
    RUN_BINARY(testMulImmArgFloat, floatingPointOperands<float>(), floatingPointOperands<float>());
    RUN_BINARY(testMulImmsFloat, floatingPointOperands<float>(), floatingPointOperands<float>());
    RUN_UNARY(testMulArgFloatWithUselessDoubleConversion, floatingPointOperands<float>());
    RUN_BINARY(testMulArgsFloatWithUselessDoubleConversion, floatingPointOperands<float>(), floatingPointOperands<float>());
    RUN_BINARY(testMulArgsFloatWithEffectfulDoubleConversion, floatingPointOperands<float>(), floatingPointOperands<float>());

    RUN(testDivArgDouble(M_PI));
    RUN(testDivArgsDouble(M_PI, 1));
    RUN(testDivArgsDouble(M_PI, -M_PI));
    RUN(testDivArgImmDouble(M_PI, 1));
    RUN(testDivArgImmDouble(M_PI, 0));
    RUN(testDivArgImmDouble(M_PI, negativeZero()));
    RUN(testDivArgImmDouble(0, 0));
    RUN(testDivArgImmDouble(0, negativeZero()));
    RUN(testDivArgImmDouble(negativeZero(), 0));
    RUN(testDivArgImmDouble(negativeZero(), negativeZero()));
    RUN(testDivImmArgDouble(M_PI, 1));
    RUN(testDivImmArgDouble(M_PI, 0));
    RUN(testDivImmArgDouble(M_PI, negativeZero()));
    RUN(testDivImmArgDouble(0, 0));
    RUN(testDivImmArgDouble(0, negativeZero()));
    RUN(testDivImmArgDouble(negativeZero(), 0));
    RUN(testDivImmArgDouble(negativeZero(), negativeZero()));
    RUN(testDivImmsDouble(M_PI, 1));
    RUN(testDivImmsDouble(M_PI, 0));
    RUN(testDivImmsDouble(M_PI, negativeZero()));
    RUN(testDivImmsDouble(0, 0));
    RUN(testDivImmsDouble(0, negativeZero()));
    RUN(testDivImmsDouble(negativeZero(), negativeZero()));
    RUN_UNARY(testDivArgFloat, floatingPointOperands<float>());
    RUN_BINARY(testDivArgsFloat, floatingPointOperands<float>(), floatingPointOperands<float>());
    RUN_BINARY(testDivArgImmFloat, floatingPointOperands<float>(), floatingPointOperands<float>());
    RUN_BINARY(testDivImmArgFloat, floatingPointOperands<float>(), floatingPointOperands<float>());
    RUN_BINARY(testDivImmsFloat, floatingPointOperands<float>(), floatingPointOperands<float>());
    RUN_UNARY(testDivArgFloatWithUselessDoubleConversion, floatingPointOperands<float>());
    RUN_BINARY(testDivArgsFloatWithUselessDoubleConversion, floatingPointOperands<float>(), floatingPointOperands<float>());
    RUN_BINARY(testDivArgsFloatWithEffectfulDoubleConversion, floatingPointOperands<float>(), floatingPointOperands<float>());

    RUN_UNARY(testModArgDouble, floatingPointOperands<double>());
    RUN_BINARY(testModArgsDouble, floatingPointOperands<double>(), floatingPointOperands<double>());
    RUN_BINARY(testModArgImmDouble, floatingPointOperands<double>(), floatingPointOperands<double>());
    RUN_BINARY(testModImmArgDouble, floatingPointOperands<double>(), floatingPointOperands<double>());
    RUN_BINARY(testModImmsDouble, floatingPointOperands<double>(), floatingPointOperands<double>());
    RUN_UNARY(testModArgFloat, floatingPointOperands<float>());
    RUN_BINARY(testModArgsFloat, floatingPointOperands<float>(), floatingPointOperands<float>());
    RUN_BINARY(testModArgImmFloat, floatingPointOperands<float>(), floatingPointOperands<float>());
    RUN_BINARY(testModImmArgFloat, floatingPointOperands<float>(), floatingPointOperands<float>());
    RUN_BINARY(testModImmsFloat, floatingPointOperands<float>(), floatingPointOperands<float>());

    RUN(testSubArg(24));
    RUN(testSubArgs(1, 1));
    RUN(testSubArgs(1, 2));
    RUN(testSubArgs(13, -42));
    RUN(testSubArgs(-13, 42));
    RUN(testSubArgImm(1, 1));
    RUN(testSubArgImm(1, 2));
    RUN(testSubArgImm(13, -42));
    RUN(testSubArgImm(-13, 42));
    RUN(testSubArgImm(42, 0));
    RUN(testSubImmArg(1, 1));
    RUN(testSubImmArg(1, 2));
    RUN(testSubImmArg(13, -42));
    RUN(testSubImmArg(-13, 42));
    RUN_BINARY(testSubArgMem, int64Operands(), int64Operands());
    RUN_BINARY(testSubMemArg, int64Operands(), int64Operands());
    RUN_BINARY(testSubImmMem, int32Operands(), int32Operands());
    RUN_BINARY(testSubMemImm, int32Operands(), int32Operands());
    RUN_UNARY(testNegValueSubOne, int32Operands());

    RUN(testSubArgs32(1, 1));
    RUN(testSubArgs32(1, 2));
    RUN(testSubArgs32(13, -42));
    RUN(testSubArgs32(-13, 42));
    RUN(testSubArgImm32(1, 1));
    RUN(testSubArgImm32(1, 2));
    RUN(testSubArgImm32(13, -42));
    RUN(testSubArgImm32(-13, 42));
    RUN(testSubImmArg32(1, 1));
    RUN(testSubImmArg32(1, 2));
    RUN(testSubImmArg32(13, -42));
    RUN(testSubImmArg32(-13, 42));
    RUN_BINARY(testSubArgMem32, int32Operands(), int32Operands());
    RUN_BINARY(testSubMemArg32, int32Operands(), int32Operands());
    RUN_BINARY(testSubImmMem32, int32Operands(), int32Operands());
    RUN_BINARY(testSubMemImm32, int32Operands(), int32Operands());
    RUN_UNARY(testNegValueSubOne32, int64Operands());

    RUN_UNARY(testSubArgDouble, floatingPointOperands<double>());
    RUN_BINARY(testSubArgsDouble, floatingPointOperands<double>(), floatingPointOperands<double>());
    RUN_BINARY(testSubArgImmDouble, floatingPointOperands<double>(), floatingPointOperands<double>());
    RUN_BINARY(testSubImmArgDouble, floatingPointOperands<double>(), floatingPointOperands<double>());
    RUN_BINARY(testSubImmsDouble, floatingPointOperands<double>(), floatingPointOperands<double>());
    RUN_UNARY(testSubArgFloat, floatingPointOperands<float>());
    RUN_BINARY(testSubArgsFloat, floatingPointOperands<float>(), floatingPointOperands<float>());
    RUN_BINARY(testSubArgImmFloat, floatingPointOperands<float>(), floatingPointOperands<float>());
    RUN_BINARY(testSubImmArgFloat, floatingPointOperands<float>(), floatingPointOperands<float>());
    RUN_BINARY(testSubImmsFloat, floatingPointOperands<float>(), floatingPointOperands<float>());
    RUN_UNARY(testSubArgFloatWithUselessDoubleConversion, floatingPointOperands<float>());
    RUN_BINARY(testSubArgsFloatWithUselessDoubleConversion, floatingPointOperands<float>(), floatingPointOperands<float>());
    RUN_BINARY(testSubArgsFloatWithEffectfulDoubleConversion, floatingPointOperands<float>(), floatingPointOperands<float>());

    RUN_UNARY(testNegDouble, floatingPointOperands<double>());
    RUN_UNARY(testNegFloat, floatingPointOperands<float>());
    RUN_UNARY(testNegFloatWithUselessDoubleConversion, floatingPointOperands<float>());

    RUN(testBitAndArgs(43, 43));
    RUN(testBitAndArgs(43, 0));
    RUN(testBitAndArgs(10, 3));
    RUN(testBitAndArgs(42, 0xffffffffffffffff));
    RUN(testBitAndSameArg(43));
    RUN(testBitAndSameArg(0));
    RUN(testBitAndSameArg(3));
    RUN(testBitAndSameArg(0xffffffffffffffff));
    RUN(testBitAndImms(43, 43));
    RUN(testBitAndImms(43, 0));
    RUN(testBitAndImms(10, 3));
    RUN(testBitAndImms(42, 0xffffffffffffffff));
    RUN(testBitAndArgImm(43, 43));
    RUN(testBitAndArgImm(43, 0));
    RUN(testBitAndArgImm(10, 3));
    RUN(testBitAndArgImm(42, 0xffffffffffffffff));
    RUN(testBitAndArgImm(42, 0xff));
    RUN(testBitAndArgImm(300, 0xff));
    RUN(testBitAndArgImm(-300, 0xff));
    RUN(testBitAndArgImm(42, 0xffff));
    RUN(testBitAndArgImm(40000, 0xffff));
    RUN(testBitAndArgImm(-40000, 0xffff));
    RUN(testBitAndImmArg(43, 43));
    RUN(testBitAndImmArg(43, 0));
    RUN(testBitAndImmArg(10, 3));
    RUN(testBitAndImmArg(42, 0xffffffffffffffff));
    RUN(testBitAndBitAndArgImmImm(2, 7, 3));
    RUN(testBitAndBitAndArgImmImm(1, 6, 6));
    RUN(testBitAndBitAndArgImmImm(0xffff, 24, 7));
    RUN(testBitAndImmBitAndArgImm(7, 2, 3));
    RUN(testBitAndImmBitAndArgImm(6, 1, 6));
    RUN(testBitAndImmBitAndArgImm(24, 0xffff, 7));
    RUN(testBitAndArgs32(43, 43));
    RUN(testBitAndArgs32(43, 0));
    RUN(testBitAndArgs32(10, 3));
    RUN(testBitAndArgs32(42, 0xffffffff));
    RUN(testBitAndSameArg32(43));
    RUN(testBitAndSameArg32(0));
    RUN(testBitAndSameArg32(3));
    RUN(testBitAndSameArg32(0xffffffff));
    RUN(testBitAndImms32(43, 43));
    RUN(testBitAndImms32(43, 0));
    RUN(testBitAndImms32(10, 3));
    RUN(testBitAndImms32(42, 0xffffffff));
    RUN(testBitAndArgImm32(43, 43));
    RUN(testBitAndArgImm32(43, 0));
    RUN(testBitAndArgImm32(10, 3));
    RUN(testBitAndArgImm32(42, 0xffffffff));
    RUN(testBitAndImmArg32(43, 43));
    RUN(testBitAndImmArg32(43, 0));
    RUN(testBitAndImmArg32(10, 3));
    RUN(testBitAndImmArg32(42, 0xffffffff));
    RUN(testBitAndImmArg32(42, 0xff));
    RUN(testBitAndImmArg32(300, 0xff));
    RUN(testBitAndImmArg32(-300, 0xff));
    RUN(testBitAndImmArg32(42, 0xffff));
    RUN(testBitAndImmArg32(40000, 0xffff));
    RUN(testBitAndImmArg32(-40000, 0xffff));
    RUN(testBitAndBitAndArgImmImm32(2, 7, 3));
    RUN(testBitAndBitAndArgImmImm32(1, 6, 6));
    RUN(testBitAndBitAndArgImmImm32(0xffff, 24, 7));
    RUN(testBitAndImmBitAndArgImm32(7, 2, 3));
    RUN(testBitAndImmBitAndArgImm32(6, 1, 6));
    RUN(testBitAndImmBitAndArgImm32(24, 0xffff, 7));
    RUN_BINARY(testBitAndWithMaskReturnsBooleans, int64Operands(), int64Operands());
    RUN_UNARY(testBitAndArgDouble, floatingPointOperands<double>());
    RUN_BINARY(testBitAndArgsDouble, floatingPointOperands<double>(), floatingPointOperands<double>());
    RUN_BINARY(testBitAndArgImmDouble, floatingPointOperands<double>(), floatingPointOperands<double>());
    RUN_BINARY(testBitAndImmsDouble, floatingPointOperands<double>(), floatingPointOperands<double>());
    RUN_UNARY(testBitAndArgFloat, floatingPointOperands<float>());
    RUN_BINARY(testBitAndArgsFloat, floatingPointOperands<float>(), floatingPointOperands<float>());
    RUN_BINARY(testBitAndArgImmFloat, floatingPointOperands<float>(), floatingPointOperands<float>());
    RUN_BINARY(testBitAndImmsFloat, floatingPointOperands<float>(), floatingPointOperands<float>());
    RUN_BINARY(testBitAndArgsFloatWithUselessDoubleConversion, floatingPointOperands<float>(), floatingPointOperands<float>());

    RUN(testBitOrArgs(43, 43));
    RUN(testBitOrArgs(43, 0));
    RUN(testBitOrArgs(10, 3));
    RUN(testBitOrArgs(42, 0xffffffffffffffff));
    RUN(testBitOrSameArg(43));
    RUN(testBitOrSameArg(0));
    RUN(testBitOrSameArg(3));
    RUN(testBitOrSameArg(0xffffffffffffffff));
    RUN(testBitOrImms(43, 43));
    RUN(testBitOrImms(43, 0));
    RUN(testBitOrImms(10, 3));
    RUN(testBitOrImms(42, 0xffffffffffffffff));
    RUN(testBitOrArgImm(43, 43));
    RUN(testBitOrArgImm(43, 0));
    RUN(testBitOrArgImm(10, 3));
    RUN(testBitOrArgImm(42, 0xffffffffffffffff));
    RUN(testBitOrImmArg(43, 43));
    RUN(testBitOrImmArg(43, 0));
    RUN(testBitOrImmArg(10, 3));
    RUN(testBitOrImmArg(42, 0xffffffffffffffff));
    RUN(testBitOrBitOrArgImmImm(2, 7, 3));
    RUN(testBitOrBitOrArgImmImm(1, 6, 6));
    RUN(testBitOrBitOrArgImmImm(0xffff, 24, 7));
    RUN(testBitOrImmBitOrArgImm(7, 2, 3));
    RUN(testBitOrImmBitOrArgImm(6, 1, 6));
    RUN(testBitOrImmBitOrArgImm(24, 0xffff, 7));
    RUN(testBitOrArgs32(43, 43));
    RUN(testBitOrArgs32(43, 0));
    RUN(testBitOrArgs32(10, 3));
    RUN(testBitOrArgs32(42, 0xffffffff));
    RUN(testBitOrSameArg32(43));
    RUN(testBitOrSameArg32(0));
    RUN(testBitOrSameArg32(3));
    RUN(testBitOrSameArg32(0xffffffff));
    RUN(testBitOrImms32(43, 43));
    RUN(testBitOrImms32(43, 0));
    RUN(testBitOrImms32(10, 3));
    RUN(testBitOrImms32(42, 0xffffffff));
    RUN(testBitOrArgImm32(43, 43));
    RUN(testBitOrArgImm32(43, 0));
    RUN(testBitOrArgImm32(10, 3));
    RUN(testBitOrArgImm32(42, 0xffffffff));
    RUN(testBitOrImmArg32(43, 43));
    RUN(testBitOrImmArg32(43, 0));
    RUN(testBitOrImmArg32(10, 3));
    RUN(testBitOrImmArg32(42, 0xffffffff));
    RUN(testBitOrBitOrArgImmImm32(2, 7, 3));
    RUN(testBitOrBitOrArgImmImm32(1, 6, 6));
    RUN(testBitOrBitOrArgImmImm32(0xffff, 24, 7));
    RUN(testBitOrImmBitOrArgImm32(7, 2, 3));
    RUN(testBitOrImmBitOrArgImm32(6, 1, 6));
    RUN(testBitOrImmBitOrArgImm32(24, 0xffff, 7));

    RUN_BINARY(testBitXorArgs, int64Operands(), int64Operands());
    RUN_UNARY(testBitXorSameArg, int64Operands());
    RUN_BINARY(testBitXorImms, int64Operands(), int64Operands());
    RUN_BINARY(testBitXorArgImm, int64Operands(), int64Operands());
    RUN_BINARY(testBitXorImmArg, int64Operands(), int64Operands());
    RUN(testBitXorBitXorArgImmImm(2, 7, 3));
    RUN(testBitXorBitXorArgImmImm(1, 6, 6));
    RUN(testBitXorBitXorArgImmImm(0xffff, 24, 7));
    RUN(testBitXorImmBitXorArgImm(7, 2, 3));
    RUN(testBitXorImmBitXorArgImm(6, 1, 6));
    RUN(testBitXorImmBitXorArgImm(24, 0xffff, 7));
    RUN(testBitXorArgs32(43, 43));
    RUN(testBitXorArgs32(43, 0));
    RUN(testBitXorArgs32(10, 3));
    RUN(testBitXorArgs32(42, 0xffffffff));
    RUN(testBitXorSameArg32(43));
    RUN(testBitXorSameArg32(0));
    RUN(testBitXorSameArg32(3));
    RUN(testBitXorSameArg32(0xffffffff));
    RUN(testBitXorImms32(43, 43));
    RUN(testBitXorImms32(43, 0));
    RUN(testBitXorImms32(10, 3));
    RUN(testBitXorImms32(42, 0xffffffff));
    RUN(testBitXorArgImm32(43, 43));
    RUN(testBitXorArgImm32(43, 0));
    RUN(testBitXorArgImm32(10, 3));
    RUN(testBitXorArgImm32(42, 0xffffffff));
    RUN(testBitXorImmArg32(43, 43));
    RUN(testBitXorImmArg32(43, 0));
    RUN(testBitXorImmArg32(10, 3));
    RUN(testBitXorImmArg32(42, 0xffffffff));
    RUN(testBitXorBitXorArgImmImm32(2, 7, 3));
    RUN(testBitXorBitXorArgImmImm32(1, 6, 6));
    RUN(testBitXorBitXorArgImmImm32(0xffff, 24, 7));
    RUN(testBitXorImmBitXorArgImm32(7, 2, 3));
    RUN(testBitXorImmBitXorArgImm32(6, 1, 6));
    RUN(testBitXorImmBitXorArgImm32(24, 0xffff, 7));

    RUN_UNARY(testBitNotArg, int64Operands());
    RUN_UNARY(testBitNotImm, int64Operands());
    RUN_UNARY(testBitNotMem, int64Operands());
    RUN_UNARY(testBitNotArg32, int32Operands());
    RUN_UNARY(testBitNotImm32, int32Operands());
    RUN_UNARY(testBitNotMem32, int32Operands());
    RUN_BINARY(testBitNotOnBooleanAndBranch32, int32Operands(), int32Operands());

    RUN(testShlArgs(1, 0));
    RUN(testShlArgs(1, 1));
    RUN(testShlArgs(1, 62));
    RUN(testShlArgs(0xffffffffffffffff, 0));
    RUN(testShlArgs(0xffffffffffffffff, 1));
    RUN(testShlArgs(0xffffffffffffffff, 63));
    RUN(testShlImms(1, 0));
    RUN(testShlImms(1, 1));
    RUN(testShlImms(1, 62));
    RUN(testShlImms(1, 65));
    RUN(testShlImms(0xffffffffffffffff, 0));
    RUN(testShlImms(0xffffffffffffffff, 1));
    RUN(testShlImms(0xffffffffffffffff, 63));
    RUN(testShlArgImm(1, 0));
    RUN(testShlArgImm(1, 1));
    RUN(testShlArgImm(1, 62));
    RUN(testShlArgImm(1, 65));
    RUN(testShlArgImm(0xffffffffffffffff, 0));
    RUN(testShlArgImm(0xffffffffffffffff, 1));
    RUN(testShlArgImm(0xffffffffffffffff, 63));
    RUN(testShlArg32(2));
    RUN(testShlArgs32(1, 0));
    RUN(testShlArgs32(1, 1));
    RUN(testShlArgs32(1, 62));
    RUN(testShlImms32(1, 33));
    RUN(testShlArgs32(0xffffffff, 0));
    RUN(testShlArgs32(0xffffffff, 1));
    RUN(testShlArgs32(0xffffffff, 63));
    RUN(testShlImms32(1, 0));
    RUN(testShlImms32(1, 1));
    RUN(testShlImms32(1, 62));
    RUN(testShlImms32(1, 33));
    RUN(testShlImms32(0xffffffff, 0));
    RUN(testShlImms32(0xffffffff, 1));
    RUN(testShlImms32(0xffffffff, 63));
    RUN(testShlArgImm32(1, 0));
    RUN(testShlArgImm32(1, 1));
    RUN(testShlArgImm32(1, 62));
    RUN(testShlArgImm32(0xffffffff, 0));
    RUN(testShlArgImm32(0xffffffff, 1));
    RUN(testShlArgImm32(0xffffffff, 63));

    RUN(testSShrArgs(1, 0));
    RUN(testSShrArgs(1, 1));
    RUN(testSShrArgs(1, 62));
    RUN(testSShrArgs(0xffffffffffffffff, 0));
    RUN(testSShrArgs(0xffffffffffffffff, 1));
    RUN(testSShrArgs(0xffffffffffffffff, 63));
    RUN(testSShrImms(1, 0));
    RUN(testSShrImms(1, 1));
    RUN(testSShrImms(1, 62));
    RUN(testSShrImms(1, 65));
    RUN(testSShrImms(0xffffffffffffffff, 0));
    RUN(testSShrImms(0xffffffffffffffff, 1));
    RUN(testSShrImms(0xffffffffffffffff, 63));
    RUN(testSShrArgImm(1, 0));
    RUN(testSShrArgImm(1, 1));
    RUN(testSShrArgImm(1, 62));
    RUN(testSShrArgImm(1, 65));
    RUN(testSShrArgImm(0xffffffffffffffff, 0));
    RUN(testSShrArgImm(0xffffffffffffffff, 1));
    RUN(testSShrArgImm(0xffffffffffffffff, 63));
    RUN(testSShrArg32(32));
    RUN(testSShrArgs32(1, 0));
    RUN(testSShrArgs32(1, 1));
    RUN(testSShrArgs32(1, 62));
    RUN(testSShrArgs32(1, 33));
    RUN(testSShrArgs32(0xffffffff, 0));
    RUN(testSShrArgs32(0xffffffff, 1));
    RUN(testSShrArgs32(0xffffffff, 63));
    RUN(testSShrImms32(1, 0));
    RUN(testSShrImms32(1, 1));
    RUN(testSShrImms32(1, 62));
    RUN(testSShrImms32(1, 33));
    RUN(testSShrImms32(0xffffffff, 0));
    RUN(testSShrImms32(0xffffffff, 1));
    RUN(testSShrImms32(0xffffffff, 63));
    RUN(testSShrArgImm32(1, 0));
    RUN(testSShrArgImm32(1, 1));
    RUN(testSShrArgImm32(1, 62));
    RUN(testSShrArgImm32(0xffffffff, 0));
    RUN(testSShrArgImm32(0xffffffff, 1));
    RUN(testSShrArgImm32(0xffffffff, 63));

    RUN(testZShrArgs(1, 0));
    RUN(testZShrArgs(1, 1));
    RUN(testZShrArgs(1, 62));
    RUN(testZShrArgs(0xffffffffffffffff, 0));
    RUN(testZShrArgs(0xffffffffffffffff, 1));
    RUN(testZShrArgs(0xffffffffffffffff, 63));
    RUN(testZShrImms(1, 0));
    RUN(testZShrImms(1, 1));
    RUN(testZShrImms(1, 62));
    RUN(testZShrImms(1, 65));
    RUN(testZShrImms(0xffffffffffffffff, 0));
    RUN(testZShrImms(0xffffffffffffffff, 1));
    RUN(testZShrImms(0xffffffffffffffff, 63));
    RUN(testZShrArgImm(1, 0));
    RUN(testZShrArgImm(1, 1));
    RUN(testZShrArgImm(1, 62));
    RUN(testZShrArgImm(1, 65));
    RUN(testZShrArgImm(0xffffffffffffffff, 0));
    RUN(testZShrArgImm(0xffffffffffffffff, 1));
    RUN(testZShrArgImm(0xffffffffffffffff, 63));
    RUN(testZShrArg32(32));
    RUN(testZShrArgs32(1, 0));
    RUN(testZShrArgs32(1, 1));
    RUN(testZShrArgs32(1, 62));
    RUN(testZShrArgs32(1, 33));
    RUN(testZShrArgs32(0xffffffff, 0));
    RUN(testZShrArgs32(0xffffffff, 1));
    RUN(testZShrArgs32(0xffffffff, 63));
    RUN(testZShrImms32(1, 0));
    RUN(testZShrImms32(1, 1));
    RUN(testZShrImms32(1, 62));
    RUN(testZShrImms32(1, 33));
    RUN(testZShrImms32(0xffffffff, 0));
    RUN(testZShrImms32(0xffffffff, 1));
    RUN(testZShrImms32(0xffffffff, 63));
    RUN(testZShrArgImm32(1, 0));
    RUN(testZShrArgImm32(1, 1));
    RUN(testZShrArgImm32(1, 62));
    RUN(testZShrArgImm32(0xffffffff, 0));
    RUN(testZShrArgImm32(0xffffffff, 1));
    RUN(testZShrArgImm32(0xffffffff, 63));

    RUN_UNARY(testClzArg64, int64Operands());
    RUN_UNARY(testClzMem64, int64Operands());
    RUN_UNARY(testClzArg32, int32Operands());
    RUN_UNARY(testClzMem32, int64Operands());

    RUN_UNARY(testAbsArg, floatingPointOperands<double>());
    RUN_UNARY(testAbsImm, floatingPointOperands<double>());
    RUN_UNARY(testAbsMem, floatingPointOperands<double>());
    RUN_UNARY(testAbsAbsArg, floatingPointOperands<double>());
    RUN_UNARY(testAbsBitwiseCastArg, floatingPointOperands<double>());
    RUN_UNARY(testBitwiseCastAbsBitwiseCastArg, floatingPointOperands<double>());
    RUN_UNARY(testAbsArg, floatingPointOperands<float>());
    RUN_UNARY(testAbsImm, floatingPointOperands<float>());
    RUN_UNARY(testAbsMem, floatingPointOperands<float>());
    RUN_UNARY(testAbsAbsArg, floatingPointOperands<float>());
    RUN_UNARY(testAbsBitwiseCastArg, floatingPointOperands<float>());
    RUN_UNARY(testBitwiseCastAbsBitwiseCastArg, floatingPointOperands<float>());
    RUN_UNARY(testAbsArgWithUselessDoubleConversion, floatingPointOperands<float>());
    RUN_UNARY(testAbsArgWithEffectfulDoubleConversion, floatingPointOperands<float>());

    RUN_UNARY(testCeilArg, floatingPointOperands<double>());
    RUN_UNARY(testCeilImm, floatingPointOperands<double>());
    RUN_UNARY(testCeilMem, floatingPointOperands<double>());
    RUN_UNARY(testCeilCeilArg, floatingPointOperands<double>());
    RUN_UNARY(testFloorCeilArg, floatingPointOperands<double>());
    RUN_UNARY(testCeilIToD64, int64Operands());
    RUN_UNARY(testCeilIToD32, int32Operands());
    RUN_UNARY(testCeilArg, floatingPointOperands<float>());
    RUN_UNARY(testCeilImm, floatingPointOperands<float>());
    RUN_UNARY(testCeilMem, floatingPointOperands<float>());
    RUN_UNARY(testCeilCeilArg, floatingPointOperands<float>());
    RUN_UNARY(testFloorCeilArg, floatingPointOperands<float>());
    RUN_UNARY(testCeilArgWithUselessDoubleConversion, floatingPointOperands<float>());
    RUN_UNARY(testCeilArgWithEffectfulDoubleConversion, floatingPointOperands<float>());

    RUN_UNARY(testFloorArg, floatingPointOperands<double>());
    RUN_UNARY(testFloorImm, floatingPointOperands<double>());
    RUN_UNARY(testFloorMem, floatingPointOperands<double>());
    RUN_UNARY(testFloorFloorArg, floatingPointOperands<double>());
    RUN_UNARY(testCeilFloorArg, floatingPointOperands<double>());
    RUN_UNARY(testFloorIToD64, int64Operands());
    RUN_UNARY(testFloorIToD32, int32Operands());
    RUN_UNARY(testFloorArg, floatingPointOperands<float>());
    RUN_UNARY(testFloorImm, floatingPointOperands<float>());
    RUN_UNARY(testFloorMem, floatingPointOperands<float>());
    RUN_UNARY(testFloorFloorArg, floatingPointOperands<float>());
    RUN_UNARY(testCeilFloorArg, floatingPointOperands<float>());
    RUN_UNARY(testFloorArgWithUselessDoubleConversion, floatingPointOperands<float>());
    RUN_UNARY(testFloorArgWithEffectfulDoubleConversion, floatingPointOperands<float>());

    RUN_UNARY(testSqrtArg, floatingPointOperands<double>());
    RUN_UNARY(testSqrtImm, floatingPointOperands<double>());
    RUN_UNARY(testSqrtMem, floatingPointOperands<double>());
    RUN_UNARY(testSqrtArg, floatingPointOperands<float>());
    RUN_UNARY(testSqrtImm, floatingPointOperands<float>());
    RUN_UNARY(testSqrtMem, floatingPointOperands<float>());
    RUN_UNARY(testSqrtArgWithUselessDoubleConversion, floatingPointOperands<float>());
    RUN_UNARY(testSqrtArgWithEffectfulDoubleConversion, floatingPointOperands<float>());

    RUN_BINARY(testCompareTwoFloatToDouble, floatingPointOperands<float>(), floatingPointOperands<float>());
    RUN_BINARY(testCompareOneFloatToDouble, floatingPointOperands<float>(), floatingPointOperands<double>());
    RUN_BINARY(testCompareFloatToDoubleThroughPhi, floatingPointOperands<float>(), floatingPointOperands<float>());
    RUN_UNARY(testDoubleToFloatThroughPhi, floatingPointOperands<float>());
    RUN_UNARY(testDoubleProducerPhiToFloatConversion, floatingPointOperands<float>());
    RUN_UNARY(testDoubleProducerPhiToFloatConversionWithDoubleConsumer, floatingPointOperands<float>());
    RUN_BINARY(testDoubleProducerPhiWithNonFloatConst, floatingPointOperands<float>(), floatingPointOperands<double>());

    RUN_UNARY(testDoubleArgToInt64BitwiseCast, floatingPointOperands<double>());
    RUN_UNARY(testDoubleImmToInt64BitwiseCast, floatingPointOperands<double>());
    RUN_UNARY(testTwoBitwiseCastOnDouble, floatingPointOperands<double>());
    RUN_UNARY(testBitwiseCastOnDoubleInMemory, floatingPointOperands<double>());
    RUN_UNARY(testBitwiseCastOnDoubleInMemoryIndexed, floatingPointOperands<double>());
    RUN_UNARY(testInt64BArgToDoubleBitwiseCast, int64Operands());
    RUN_UNARY(testInt64BImmToDoubleBitwiseCast, int64Operands());
    RUN_UNARY(testTwoBitwiseCastOnInt64, int64Operands());
    RUN_UNARY(testBitwiseCastOnInt64InMemory, int64Operands());
    RUN_UNARY(testBitwiseCastOnInt64InMemoryIndexed, int64Operands());
    RUN_UNARY(testFloatImmToInt32BitwiseCast, floatingPointOperands<float>());
    RUN_UNARY(testBitwiseCastOnFloatInMemory, floatingPointOperands<float>());
    RUN_UNARY(testInt32BArgToFloatBitwiseCast, int32Operands());
    RUN_UNARY(testInt32BImmToFloatBitwiseCast, int32Operands());
    RUN_UNARY(testTwoBitwiseCastOnInt32, int32Operands());
    RUN_UNARY(testBitwiseCastOnInt32InMemory, int32Operands());

    RUN_UNARY(testConvertDoubleToFloatArg, floatingPointOperands<double>());
    RUN_UNARY(testConvertDoubleToFloatImm, floatingPointOperands<double>());
    RUN_UNARY(testConvertDoubleToFloatMem, floatingPointOperands<double>());
    RUN_UNARY(testConvertFloatToDoubleArg, floatingPointOperands<float>());
    RUN_UNARY(testConvertFloatToDoubleImm, floatingPointOperands<float>());
    RUN_UNARY(testConvertFloatToDoubleMem, floatingPointOperands<float>());
    RUN_UNARY(testConvertDoubleToFloatToDoubleToFloat, floatingPointOperands<double>());
    RUN_UNARY(testStoreFloat, floatingPointOperands<double>());
    RUN_UNARY(testStoreDoubleConstantAsFloat, floatingPointOperands<double>());
    RUN_UNARY(testLoadFloatConvertDoubleConvertFloatStoreFloat, floatingPointOperands<float>());
    RUN_UNARY(testFroundArg, floatingPointOperands<double>());
    RUN_UNARY(testFroundMem, floatingPointOperands<double>());

    RUN(testIToD64Arg());
    RUN(testIToF64Arg());
    RUN(testIToD32Arg());
    RUN(testIToF32Arg());
    RUN(testIToD64Mem());
    RUN(testIToF64Mem());
    RUN(testIToD32Mem());
    RUN(testIToF32Mem());
    RUN_UNARY(testIToD64Imm, int64Operands());
    RUN_UNARY(testIToF64Imm, int64Operands());
    RUN_UNARY(testIToD32Imm, int32Operands());
    RUN_UNARY(testIToF32Imm, int32Operands());
    RUN(testIToDReducedToIToF64Arg());
    RUN(testIToDReducedToIToF32Arg());

    RUN(testStore32(44));
    RUN(testStoreConstant(49));
    RUN(testStoreConstantPtr(49));
    RUN(testStore8Arg());
    RUN(testStore8Imm());
    RUN(testStorePartial8BitRegisterOnX86());
    RUN(testStore16Arg());
    RUN(testStore16Imm());
    RUN(testTrunc((static_cast<int64_t>(1) << 40) + 42));
    RUN(testAdd1(45));
    RUN(testAdd1Ptr(51));
    RUN(testAdd1Ptr(bitwise_cast<intptr_t>(vm)));
    RUN(testNeg32(52));
    RUN(testNegPtr(53));
    RUN(testStoreAddLoad32(46));
    RUN(testStoreAddLoadImm32(46));
    RUN(testStoreAddLoad64(4600));
    RUN(testStoreAddLoadImm64(4600));
    RUN(testStoreAddLoad8(4, Load8Z));
    RUN(testStoreAddLoadImm8(4, Load8Z));
    RUN(testStoreAddLoad8(4, Load8S));
    RUN(testStoreAddLoadImm8(4, Load8S));
    RUN(testStoreAddLoad16(6, Load16Z));
    RUN(testStoreAddLoadImm16(6, Load16Z));
    RUN(testStoreAddLoad16(6, Load16S));
    RUN(testStoreAddLoadImm16(6, Load16S));
    RUN(testStoreAddLoad32Index(46));
    RUN(testStoreAddLoadImm32Index(46));
    RUN(testStoreAddLoad64Index(4600));
    RUN(testStoreAddLoadImm64Index(4600));
    RUN(testStoreAddLoad8Index(4, Load8Z));
    RUN(testStoreAddLoadImm8Index(4, Load8Z));
    RUN(testStoreAddLoad8Index(4, Load8S));
    RUN(testStoreAddLoadImm8Index(4, Load8S));
    RUN(testStoreAddLoad16Index(6, Load16Z));
    RUN(testStoreAddLoadImm16Index(6, Load16Z));
    RUN(testStoreAddLoad16Index(6, Load16S));
    RUN(testStoreAddLoadImm16Index(6, Load16S));
    RUN(testStoreSubLoad(46));
    RUN(testStoreAddLoadInterference(52));
    RUN(testStoreAddAndLoad(47, 0xffff));
    RUN(testStoreAddAndLoad(470000, 0xffff));
    RUN(testStoreNegLoad32(54));
    RUN(testStoreNegLoadPtr(55));
    RUN(testAdd1Uncommuted(48));
    RUN(testLoadOffset());
    RUN(testLoadOffsetNotConstant());
    RUN(testLoadOffsetUsingAdd());
    RUN(testLoadOffsetUsingAddInterference());
    RUN(testLoadOffsetUsingAddNotConstant());
    RUN(testLoadAddrShift(0));
    RUN(testLoadAddrShift(1));
    RUN(testLoadAddrShift(2));
    RUN(testLoadAddrShift(3));
    RUN(testFramePointer());
    RUN(testOverrideFramePointer());
    RUN(testStackSlot());
    RUN(testLoadFromFramePointer());
    RUN(testStoreLoadStackSlot(50));
    
    RUN(testBranch());
    RUN(testBranchPtr());
    RUN(testDiamond());
    RUN(testBranchNotEqual());
    RUN(testBranchNotEqualCommute());
    RUN(testBranchNotEqualNotEqual());
    RUN(testBranchEqual());
    RUN(testBranchEqualEqual());
    RUN(testBranchEqualCommute());
    RUN(testBranchEqualEqual1());
    RUN_BINARY(testBranchEqualOrUnorderedArgs, floatingPointOperands<double>(), floatingPointOperands<double>());
    RUN_BINARY(testBranchEqualOrUnorderedArgs, floatingPointOperands<float>(), floatingPointOperands<float>());
    RUN_BINARY(testBranchNotEqualAndOrderedArgs, floatingPointOperands<double>(), floatingPointOperands<double>());
    RUN_BINARY(testBranchNotEqualAndOrderedArgs, floatingPointOperands<float>(), floatingPointOperands<float>());
    RUN_BINARY(testBranchEqualOrUnorderedDoubleArgImm, floatingPointOperands<double>(), floatingPointOperands<double>());
    RUN_BINARY(testBranchEqualOrUnorderedFloatArgImm, floatingPointOperands<float>(), floatingPointOperands<float>());
    RUN_BINARY(testBranchEqualOrUnorderedDoubleImms, floatingPointOperands<double>(), floatingPointOperands<double>());
    RUN_BINARY(testBranchEqualOrUnorderedFloatImms, floatingPointOperands<float>(), floatingPointOperands<float>());
    RUN_BINARY(testBranchEqualOrUnorderedFloatWithUselessDoubleConversion, floatingPointOperands<float>(), floatingPointOperands<float>());
    RUN_BINARY(testBranchNotEqualAndOrderedArgs, floatingPointOperands<double>(), floatingPointOperands<double>());
    RUN_BINARY(testBranchNotEqualAndOrderedArgs, floatingPointOperands<float>(), floatingPointOperands<float>());
    RUN(testBranchFold(42));
    RUN(testBranchFold(0));
    RUN(testDiamondFold(42));
    RUN(testDiamondFold(0));
    RUN(testBranchNotEqualFoldPtr(42));
    RUN(testBranchNotEqualFoldPtr(0));
    RUN(testBranchEqualFoldPtr(42));
    RUN(testBranchEqualFoldPtr(0));
    RUN(testBranchLoadPtr());
    RUN(testBranchLoad32());
    RUN(testBranchLoad8S());
    RUN(testBranchLoad8Z());
    RUN(testBranchLoad16S());
    RUN(testBranchLoad16Z());
    RUN(testBranch8WithLoad8ZIndex());

    RUN(testComplex(64, 128));
    RUN(testComplex(4, 128));
    RUN(testComplex(4, 256));
    RUN(testComplex(4, 384));

    RUN(testSimplePatchpoint());
    RUN(testSimplePatchpointWithoutOuputClobbersGPArgs());
    RUN(testSimplePatchpointWithOuputClobbersGPArgs());
    RUN(testSimplePatchpointWithoutOuputClobbersFPArgs());
    RUN(testSimplePatchpointWithOuputClobbersFPArgs());
    RUN(testPatchpointWithEarlyClobber());
    RUN(testPatchpointCallArg());
    RUN(testPatchpointFixedRegister());
    RUN(testPatchpointAny(ValueRep::WarmAny));
    RUN(testPatchpointAny(ValueRep::ColdAny));
    RUN(testPatchpointGPScratch());
    RUN(testPatchpointFPScratch());
    RUN(testPatchpointLotsOfLateAnys());
    RUN(testPatchpointAnyImm(ValueRep::WarmAny));
    RUN(testPatchpointAnyImm(ValueRep::ColdAny));
    RUN(testPatchpointAnyImm(ValueRep::LateColdAny));
    RUN(testPatchpointManyImms());
    RUN(testPatchpointWithRegisterResult());
    RUN(testPatchpointWithStackArgumentResult());
    RUN(testPatchpointWithAnyResult());
    RUN(testSimpleCheck());
    RUN(testCheckFalse());
    RUN(testCheckTrue());
    RUN(testCheckLessThan());
    RUN(testCheckMegaCombo());
    RUN(testCheckTrickyMegaCombo());
    RUN(testCheckTwoMegaCombos());
    RUN(testCheckTwoNonRedundantMegaCombos());
    RUN(testCheckAddImm());
    RUN(testCheckAddImmCommute());
    RUN(testCheckAddImmSomeRegister());
    RUN(testCheckAdd());
    RUN(testCheckAdd64());
    RUN(testCheckAddFold(100, 200));
    RUN(testCheckAddFoldFail(2147483647, 100));
    RUN(testCheckAddArgumentAliasing64());
    RUN(testCheckAddArgumentAliasing32());
    RUN(testCheckAddSelfOverflow64());
    RUN(testCheckAddSelfOverflow32());
    RUN(testCheckSubImm());
    RUN(testCheckSubBadImm());
    RUN(testCheckSub());
    RUN(testCheckSub64());
    RUN(testCheckSubFold(100, 200));
    RUN(testCheckSubFoldFail(-2147483647, 100));
    RUN(testCheckNeg());
    RUN(testCheckNeg64());
    RUN(testCheckMul());
    RUN(testCheckMulMemory());
    RUN(testCheckMul2());
    RUN(testCheckMul64());
    RUN(testCheckMulFold(100, 200));
    RUN(testCheckMulFoldFail(2147483647, 100));
    RUN(testCheckMulArgumentAliasing64());
    RUN(testCheckMulArgumentAliasing32());

    RUN_BINARY([](int32_t a, int32_t b) { testCompare(Equal, a, b); }, int64Operands(), int64Operands());
    RUN_BINARY([](int32_t a, int32_t b) { testCompare(NotEqual, a, b); }, int64Operands(), int64Operands());
    RUN_BINARY([](int32_t a, int32_t b) { testCompare(LessThan, a, b); }, int64Operands(), int64Operands());
    RUN_BINARY([](int32_t a, int32_t b) { testCompare(GreaterThan, a, b); }, int64Operands(), int64Operands());
    RUN_BINARY([](int32_t a, int32_t b) { testCompare(LessEqual, a, b); }, int64Operands(), int64Operands());
    RUN_BINARY([](int32_t a, int32_t b) { testCompare(GreaterEqual, a, b); }, int64Operands(), int64Operands());
    RUN_BINARY([](int32_t a, int32_t b) { testCompare(Below, a, b); }, int64Operands(), int64Operands());
    RUN_BINARY([](int32_t a, int32_t b) { testCompare(Above, a, b); }, int64Operands(), int64Operands());
    RUN_BINARY([](int32_t a, int32_t b) { testCompare(BelowEqual, a, b); }, int64Operands(), int64Operands());
    RUN_BINARY([](int32_t a, int32_t b) { testCompare(AboveEqual, a, b); }, int64Operands(), int64Operands());
    RUN_BINARY([](int32_t a, int32_t b) { testCompare(BitAnd, a, b); }, int64Operands(), int64Operands());

    RUN(testEqualDouble(42, 42, true));
    RUN(testEqualDouble(0, -0, true));
    RUN(testEqualDouble(42, 43, false));
    RUN(testEqualDouble(PNaN, 42, false));
    RUN(testEqualDouble(42, PNaN, false));
    RUN(testEqualDouble(PNaN, PNaN, false));

    RUN(testLoad<Int32>(60));
    RUN(testLoad<Int32>(-60));
    RUN(testLoad<Int32>(1000));
    RUN(testLoad<Int32>(-1000));
    RUN(testLoad<Int32>(1000000));
    RUN(testLoad<Int32>(-1000000));
    RUN(testLoad<Int32>(1000000000));
    RUN(testLoad<Int32>(-1000000000));
    RUN_UNARY(testLoad<Int64>, int64Operands());
    RUN_UNARY(testLoad<Float>, floatingPointOperands<float>());
    RUN_UNARY(testLoad<Double>, floatingPointOperands<double>());
    
    RUN(testLoad<int8_t>(Load8S, 60));
    RUN(testLoad<int8_t>(Load8S, -60));
    RUN(testLoad<int8_t>(Load8S, 1000));
    RUN(testLoad<int8_t>(Load8S, -1000));
    RUN(testLoad<int8_t>(Load8S, 1000000));
    RUN(testLoad<int8_t>(Load8S, -1000000));
    RUN(testLoad<int8_t>(Load8S, 1000000000));
    RUN(testLoad<int8_t>(Load8S, -1000000000));
    
    RUN(testLoad<uint8_t>(Load8Z, 60));
    RUN(testLoad<uint8_t>(Load8Z, -60));
    RUN(testLoad<uint8_t>(Load8Z, 1000));
    RUN(testLoad<uint8_t>(Load8Z, -1000));
    RUN(testLoad<uint8_t>(Load8Z, 1000000));
    RUN(testLoad<uint8_t>(Load8Z, -1000000));
    RUN(testLoad<uint8_t>(Load8Z, 1000000000));
    RUN(testLoad<uint8_t>(Load8Z, -1000000000));

    RUN(testLoad<int16_t>(Load16S, 60));
    RUN(testLoad<int16_t>(Load16S, -60));
    RUN(testLoad<int16_t>(Load16S, 1000));
    RUN(testLoad<int16_t>(Load16S, -1000));
    RUN(testLoad<int16_t>(Load16S, 1000000));
    RUN(testLoad<int16_t>(Load16S, -1000000));
    RUN(testLoad<int16_t>(Load16S, 1000000000));
    RUN(testLoad<int16_t>(Load16S, -1000000000));
    
    RUN(testLoad<uint16_t>(Load16Z, 60));
    RUN(testLoad<uint16_t>(Load16Z, -60));
    RUN(testLoad<uint16_t>(Load16Z, 1000));
    RUN(testLoad<uint16_t>(Load16Z, -1000));
    RUN(testLoad<uint16_t>(Load16Z, 1000000));
    RUN(testLoad<uint16_t>(Load16Z, -1000000));
    RUN(testLoad<uint16_t>(Load16Z, 1000000000));
    RUN(testLoad<uint16_t>(Load16Z, -1000000000));

    RUN(testSpillGP());
    RUN(testSpillFP());

    RUN(testInt32ToDoublePartialRegisterStall());
    RUN(testInt32ToDoublePartialRegisterWithoutStall());

    RUN(testCallSimple(1, 2));
    RUN(testCallRare(1, 2));
    RUN(testCallRareLive(1, 2, 3));
    RUN(testCallSimplePure(1, 2));
    RUN(testCallFunctionWithHellaArguments());

    RUN(testReturnDouble(0.0));
    RUN(testReturnDouble(negativeZero()));
    RUN(testReturnDouble(42.5));
    RUN_UNARY(testReturnFloat, floatingPointOperands<float>());

    RUN(testCallSimpleDouble(1, 2));
    RUN(testCallFunctionWithHellaDoubleArguments());
    RUN_BINARY(testCallSimpleFloat, floatingPointOperands<float>(), floatingPointOperands<float>());
    RUN(testCallFunctionWithHellaFloatArguments());

    RUN(testChillDiv(4, 2, 2));
    RUN(testChillDiv(1, 0, 0));
    RUN(testChillDiv(0, 0, 0));
    RUN(testChillDiv(1, -1, -1));
    RUN(testChillDiv(-2147483647 - 1, 0, 0));
    RUN(testChillDiv(-2147483647 - 1, 1, -2147483647 - 1));
    RUN(testChillDiv(-2147483647 - 1, -1, -2147483647 - 1));
    RUN(testChillDiv(-2147483647 - 1, 2, -1073741824));
    RUN(testChillDiv64(4, 2, 2));
    RUN(testChillDiv64(1, 0, 0));
    RUN(testChillDiv64(0, 0, 0));
    RUN(testChillDiv64(1, -1, -1));
    RUN(testChillDiv64(-9223372036854775807ll - 1, 0, 0));
    RUN(testChillDiv64(-9223372036854775807ll - 1, 1, -9223372036854775807ll - 1));
    RUN(testChillDiv64(-9223372036854775807ll - 1, -1, -9223372036854775807ll - 1));
    RUN(testChillDiv64(-9223372036854775807ll - 1, 2, -4611686018427387904));
    RUN(testChillDivTwice(4, 2, 6, 2, 5));
    RUN(testChillDivTwice(4, 0, 6, 2, 3));
    RUN(testChillDivTwice(4, 2, 6, 0, 2));

    RUN_UNARY(testModArg, int64Operands());
    RUN_BINARY(testModArgs, int64Operands(), int64Operands());
    RUN_BINARY(testModImms, int64Operands(), int64Operands());
    RUN_UNARY(testModArg32, int32Operands());
    RUN_BINARY(testModArgs32, int32Operands(), int32Operands());
    RUN_BINARY(testModImms32, int32Operands(), int32Operands());
    RUN_UNARY(testChillModArg, int64Operands());
    RUN_BINARY(testChillModArgs, int64Operands(), int64Operands());
    RUN_BINARY(testChillModImms, int64Operands(), int64Operands());
    RUN_UNARY(testChillModArg32, int32Operands());
    RUN_BINARY(testChillModArgs32, int32Operands(), int32Operands());
    RUN_BINARY(testChillModImms32, int32Operands(), int32Operands());

    RUN(testSwitch(0, 1));
    RUN(testSwitch(1, 1));
    RUN(testSwitch(2, 1));
    RUN(testSwitch(2, 2));
    RUN(testSwitch(10, 1));
    RUN(testSwitch(10, 2));
    RUN(testSwitch(100, 1));
    RUN(testSwitch(100, 100));

    RUN(testSwitchChillDiv(0, 1));
    RUN(testSwitchChillDiv(1, 1));
    RUN(testSwitchChillDiv(2, 1));
    RUN(testSwitchChillDiv(2, 2));
    RUN(testSwitchChillDiv(10, 1));
    RUN(testSwitchChillDiv(10, 2));
    RUN(testSwitchChillDiv(100, 1));
    RUN(testSwitchChillDiv(100, 100));

    RUN(testSwitchTargettingSameBlock());
    RUN(testSwitchTargettingSameBlockFoldPathConstant());

    RUN(testTrunc(0));
    RUN(testTrunc(1));
    RUN(testTrunc(-1));
    RUN(testTrunc(1000000000000ll));
    RUN(testTrunc(-1000000000000ll));
    RUN(testTruncFold(0));
    RUN(testTruncFold(1));
    RUN(testTruncFold(-1));
    RUN(testTruncFold(1000000000000ll));
    RUN(testTruncFold(-1000000000000ll));
    
    RUN(testZExt32(0));
    RUN(testZExt32(1));
    RUN(testZExt32(-1));
    RUN(testZExt32(1000000000ll));
    RUN(testZExt32(-1000000000ll));
    RUN(testZExt32Fold(0));
    RUN(testZExt32Fold(1));
    RUN(testZExt32Fold(-1));
    RUN(testZExt32Fold(1000000000ll));
    RUN(testZExt32Fold(-1000000000ll));

    RUN(testSExt32(0));
    RUN(testSExt32(1));
    RUN(testSExt32(-1));
    RUN(testSExt32(1000000000ll));
    RUN(testSExt32(-1000000000ll));
    RUN(testSExt32Fold(0));
    RUN(testSExt32Fold(1));
    RUN(testSExt32Fold(-1));
    RUN(testSExt32Fold(1000000000ll));
    RUN(testSExt32Fold(-1000000000ll));

    RUN(testTruncZExt32(0));
    RUN(testTruncZExt32(1));
    RUN(testTruncZExt32(-1));
    RUN(testTruncZExt32(1000000000ll));
    RUN(testTruncZExt32(-1000000000ll));
    RUN(testTruncSExt32(0));
    RUN(testTruncSExt32(1));
    RUN(testTruncSExt32(-1));
    RUN(testTruncSExt32(1000000000ll));
    RUN(testTruncSExt32(-1000000000ll));

    RUN(testSExt8(0));
    RUN(testSExt8(1));
    RUN(testSExt8(42));
    RUN(testSExt8(-1));
    RUN(testSExt8(0xff));
    RUN(testSExt8(0x100));
    RUN(testSExt8Fold(0));
    RUN(testSExt8Fold(1));
    RUN(testSExt8Fold(42));
    RUN(testSExt8Fold(-1));
    RUN(testSExt8Fold(0xff));
    RUN(testSExt8Fold(0x100));
    RUN(testSExt8SExt8(0));
    RUN(testSExt8SExt8(1));
    RUN(testSExt8SExt8(42));
    RUN(testSExt8SExt8(-1));
    RUN(testSExt8SExt8(0xff));
    RUN(testSExt8SExt8(0x100));
    RUN(testSExt8SExt16(0));
    RUN(testSExt8SExt16(1));
    RUN(testSExt8SExt16(42));
    RUN(testSExt8SExt16(-1));
    RUN(testSExt8SExt16(0xff));
    RUN(testSExt8SExt16(0x100));
    RUN(testSExt8SExt16(0xffff));
    RUN(testSExt8SExt16(0x10000));
    RUN(testSExt8BitAnd(0, 0));
    RUN(testSExt8BitAnd(1, 0));
    RUN(testSExt8BitAnd(42, 0));
    RUN(testSExt8BitAnd(-1, 0));
    RUN(testSExt8BitAnd(0xff, 0));
    RUN(testSExt8BitAnd(0x100, 0));
    RUN(testSExt8BitAnd(0xffff, 0));
    RUN(testSExt8BitAnd(0x10000, 0));
    RUN(testSExt8BitAnd(0, 0xf));
    RUN(testSExt8BitAnd(1, 0xf));
    RUN(testSExt8BitAnd(42, 0xf));
    RUN(testSExt8BitAnd(-1, 0xf));
    RUN(testSExt8BitAnd(0xff, 0xf));
    RUN(testSExt8BitAnd(0x100, 0xf));
    RUN(testSExt8BitAnd(0xffff, 0xf));
    RUN(testSExt8BitAnd(0x10000, 0xf));
    RUN(testSExt8BitAnd(0, 0xff));
    RUN(testSExt8BitAnd(1, 0xff));
    RUN(testSExt8BitAnd(42, 0xff));
    RUN(testSExt8BitAnd(-1, 0xff));
    RUN(testSExt8BitAnd(0xff, 0xff));
    RUN(testSExt8BitAnd(0x100, 0xff));
    RUN(testSExt8BitAnd(0xffff, 0xff));
    RUN(testSExt8BitAnd(0x10000, 0xff));
    RUN(testSExt8BitAnd(0, 0x80));
    RUN(testSExt8BitAnd(1, 0x80));
    RUN(testSExt8BitAnd(42, 0x80));
    RUN(testSExt8BitAnd(-1, 0x80));
    RUN(testSExt8BitAnd(0xff, 0x80));
    RUN(testSExt8BitAnd(0x100, 0x80));
    RUN(testSExt8BitAnd(0xffff, 0x80));
    RUN(testSExt8BitAnd(0x10000, 0x80));
    RUN(testBitAndSExt8(0, 0xf));
    RUN(testBitAndSExt8(1, 0xf));
    RUN(testBitAndSExt8(42, 0xf));
    RUN(testBitAndSExt8(-1, 0xf));
    RUN(testBitAndSExt8(0xff, 0xf));
    RUN(testBitAndSExt8(0x100, 0xf));
    RUN(testBitAndSExt8(0xffff, 0xf));
    RUN(testBitAndSExt8(0x10000, 0xf));
    RUN(testBitAndSExt8(0, 0xff));
    RUN(testBitAndSExt8(1, 0xff));
    RUN(testBitAndSExt8(42, 0xff));
    RUN(testBitAndSExt8(-1, 0xff));
    RUN(testBitAndSExt8(0xff, 0xff));
    RUN(testBitAndSExt8(0x100, 0xff));
    RUN(testBitAndSExt8(0xffff, 0xff));
    RUN(testBitAndSExt8(0x10000, 0xff));
    RUN(testBitAndSExt8(0, 0xfff));
    RUN(testBitAndSExt8(1, 0xfff));
    RUN(testBitAndSExt8(42, 0xfff));
    RUN(testBitAndSExt8(-1, 0xfff));
    RUN(testBitAndSExt8(0xff, 0xfff));
    RUN(testBitAndSExt8(0x100, 0xfff));
    RUN(testBitAndSExt8(0xffff, 0xfff));
    RUN(testBitAndSExt8(0x10000, 0xfff));

    RUN(testSExt16(0));
    RUN(testSExt16(1));
    RUN(testSExt16(42));
    RUN(testSExt16(-1));
    RUN(testSExt16(0xffff));
    RUN(testSExt16(0x10000));
    RUN(testSExt16Fold(0));
    RUN(testSExt16Fold(1));
    RUN(testSExt16Fold(42));
    RUN(testSExt16Fold(-1));
    RUN(testSExt16Fold(0xffff));
    RUN(testSExt16Fold(0x10000));
    RUN(testSExt16SExt8(0));
    RUN(testSExt16SExt8(1));
    RUN(testSExt16SExt8(42));
    RUN(testSExt16SExt8(-1));
    RUN(testSExt16SExt8(0xffff));
    RUN(testSExt16SExt8(0x10000));
    RUN(testSExt16SExt16(0));
    RUN(testSExt16SExt16(1));
    RUN(testSExt16SExt16(42));
    RUN(testSExt16SExt16(-1));
    RUN(testSExt16SExt16(0xffff));
    RUN(testSExt16SExt16(0x10000));
    RUN(testSExt16SExt16(0xffffff));
    RUN(testSExt16SExt16(0x1000000));
    RUN(testSExt16BitAnd(0, 0));
    RUN(testSExt16BitAnd(1, 0));
    RUN(testSExt16BitAnd(42, 0));
    RUN(testSExt16BitAnd(-1, 0));
    RUN(testSExt16BitAnd(0xffff, 0));
    RUN(testSExt16BitAnd(0x10000, 0));
    RUN(testSExt16BitAnd(0xffffff, 0));
    RUN(testSExt16BitAnd(0x1000000, 0));
    RUN(testSExt16BitAnd(0, 0xf));
    RUN(testSExt16BitAnd(1, 0xf));
    RUN(testSExt16BitAnd(42, 0xf));
    RUN(testSExt16BitAnd(-1, 0xf));
    RUN(testSExt16BitAnd(0xffff, 0xf));
    RUN(testSExt16BitAnd(0x10000, 0xf));
    RUN(testSExt16BitAnd(0xffffff, 0xf));
    RUN(testSExt16BitAnd(0x1000000, 0xf));
    RUN(testSExt16BitAnd(0, 0xffff));
    RUN(testSExt16BitAnd(1, 0xffff));
    RUN(testSExt16BitAnd(42, 0xffff));
    RUN(testSExt16BitAnd(-1, 0xffff));
    RUN(testSExt16BitAnd(0xffff, 0xffff));
    RUN(testSExt16BitAnd(0x10000, 0xffff));
    RUN(testSExt16BitAnd(0xffffff, 0xffff));
    RUN(testSExt16BitAnd(0x1000000, 0xffff));
    RUN(testSExt16BitAnd(0, 0x8000));
    RUN(testSExt16BitAnd(1, 0x8000));
    RUN(testSExt16BitAnd(42, 0x8000));
    RUN(testSExt16BitAnd(-1, 0x8000));
    RUN(testSExt16BitAnd(0xffff, 0x8000));
    RUN(testSExt16BitAnd(0x10000, 0x8000));
    RUN(testSExt16BitAnd(0xffffff, 0x8000));
    RUN(testSExt16BitAnd(0x1000000, 0x8000));
    RUN(testBitAndSExt16(0, 0xf));
    RUN(testBitAndSExt16(1, 0xf));
    RUN(testBitAndSExt16(42, 0xf));
    RUN(testBitAndSExt16(-1, 0xf));
    RUN(testBitAndSExt16(0xffff, 0xf));
    RUN(testBitAndSExt16(0x10000, 0xf));
    RUN(testBitAndSExt16(0xffffff, 0xf));
    RUN(testBitAndSExt16(0x1000000, 0xf));
    RUN(testBitAndSExt16(0, 0xffff));
    RUN(testBitAndSExt16(1, 0xffff));
    RUN(testBitAndSExt16(42, 0xffff));
    RUN(testBitAndSExt16(-1, 0xffff));
    RUN(testBitAndSExt16(0xffff, 0xffff));
    RUN(testBitAndSExt16(0x10000, 0xffff));
    RUN(testBitAndSExt16(0xffffff, 0xffff));
    RUN(testBitAndSExt16(0x1000000, 0xffff));
    RUN(testBitAndSExt16(0, 0xfffff));
    RUN(testBitAndSExt16(1, 0xfffff));
    RUN(testBitAndSExt16(42, 0xfffff));
    RUN(testBitAndSExt16(-1, 0xfffff));
    RUN(testBitAndSExt16(0xffff, 0xfffff));
    RUN(testBitAndSExt16(0x10000, 0xfffff));
    RUN(testBitAndSExt16(0xffffff, 0xfffff));
    RUN(testBitAndSExt16(0x1000000, 0xfffff));

    RUN(testSExt32BitAnd(0, 0));
    RUN(testSExt32BitAnd(1, 0));
    RUN(testSExt32BitAnd(42, 0));
    RUN(testSExt32BitAnd(-1, 0));
    RUN(testSExt32BitAnd(0x80000000, 0));
    RUN(testSExt32BitAnd(0, 0xf));
    RUN(testSExt32BitAnd(1, 0xf));
    RUN(testSExt32BitAnd(42, 0xf));
    RUN(testSExt32BitAnd(-1, 0xf));
    RUN(testSExt32BitAnd(0x80000000, 0xf));
    RUN(testSExt32BitAnd(0, 0x80000000));
    RUN(testSExt32BitAnd(1, 0x80000000));
    RUN(testSExt32BitAnd(42, 0x80000000));
    RUN(testSExt32BitAnd(-1, 0x80000000));
    RUN(testSExt32BitAnd(0x80000000, 0x80000000));
    RUN(testBitAndSExt32(0, 0xf));
    RUN(testBitAndSExt32(1, 0xf));
    RUN(testBitAndSExt32(42, 0xf));
    RUN(testBitAndSExt32(-1, 0xf));
    RUN(testBitAndSExt32(0xffff, 0xf));
    RUN(testBitAndSExt32(0x10000, 0xf));
    RUN(testBitAndSExt32(0xffffff, 0xf));
    RUN(testBitAndSExt32(0x1000000, 0xf));
    RUN(testBitAndSExt32(0, 0xffff00000000llu));
    RUN(testBitAndSExt32(1, 0xffff00000000llu));
    RUN(testBitAndSExt32(42, 0xffff00000000llu));
    RUN(testBitAndSExt32(-1, 0xffff00000000llu));
    RUN(testBitAndSExt32(0x80000000, 0xffff00000000llu));

    RUN(testBasicSelect());
    RUN(testSelectTest());
    RUN(testSelectCompareDouble());
    RUN_BINARY(testSelectCompareFloat, floatingPointOperands<float>(), floatingPointOperands<float>());
    RUN_BINARY(testSelectCompareFloatToDouble, floatingPointOperands<float>(), floatingPointOperands<float>());
    RUN(testSelectDouble());
    RUN(testSelectDoubleTest());
    RUN(testSelectDoubleCompareDouble());
    RUN_BINARY(testSelectDoubleCompareFloat, floatingPointOperands<float>(), floatingPointOperands<float>());
    RUN_BINARY(testSelectFloatCompareFloat, floatingPointOperands<float>(), floatingPointOperands<float>());
    RUN(testSelectDoubleCompareDoubleWithAliasing());
    RUN(testSelectFloatCompareFloatWithAliasing());
    RUN(testSelectFold(42));
    RUN(testSelectFold(43));
    RUN(testSelectInvert());
    RUN(testCheckSelect());
    RUN(testCheckSelectCheckSelect());
    RUN_BINARY(testPowDoubleByIntegerLoop, floatingPointOperands<double>(), int64Operands());

    RUN(testTruncOrHigh());
    RUN(testTruncOrLow());
    RUN(testBitAndOrHigh());
    RUN(testBitAndOrLow());

    RUN(testBranch64Equal(0, 0));
    RUN(testBranch64Equal(1, 1));
    RUN(testBranch64Equal(-1, -1));
    RUN(testBranch64Equal(1, -1));
    RUN(testBranch64Equal(-1, 1));
    RUN(testBranch64EqualImm(0, 0));
    RUN(testBranch64EqualImm(1, 1));
    RUN(testBranch64EqualImm(-1, -1));
    RUN(testBranch64EqualImm(1, -1));
    RUN(testBranch64EqualImm(-1, 1));
    RUN(testBranch64EqualMem(0, 0));
    RUN(testBranch64EqualMem(1, 1));
    RUN(testBranch64EqualMem(-1, -1));
    RUN(testBranch64EqualMem(1, -1));
    RUN(testBranch64EqualMem(-1, 1));
    RUN(testBranch64EqualMemImm(0, 0));
    RUN(testBranch64EqualMemImm(1, 1));
    RUN(testBranch64EqualMemImm(-1, -1));
    RUN(testBranch64EqualMemImm(1, -1));
    RUN(testBranch64EqualMemImm(-1, 1));

    RUN(testStore8Load8Z(0));
    RUN(testStore8Load8Z(123));
    RUN(testStore8Load8Z(12345));
    RUN(testStore8Load8Z(-123));

    RUN(testStore16Load16Z(0));
    RUN(testStore16Load16Z(123));
    RUN(testStore16Load16Z(12345));
    RUN(testStore16Load16Z(12345678));
    RUN(testStore16Load16Z(-123));

    RUN(testSShrShl32(42, 24, 24));
    RUN(testSShrShl32(-42, 24, 24));
    RUN(testSShrShl32(4200, 24, 24));
    RUN(testSShrShl32(-4200, 24, 24));
    RUN(testSShrShl32(4200000, 24, 24));
    RUN(testSShrShl32(-4200000, 24, 24));

    RUN(testSShrShl32(42, 16, 16));
    RUN(testSShrShl32(-42, 16, 16));
    RUN(testSShrShl32(4200, 16, 16));
    RUN(testSShrShl32(-4200, 16, 16));
    RUN(testSShrShl32(4200000, 16, 16));
    RUN(testSShrShl32(-4200000, 16, 16));

    RUN(testSShrShl32(42, 8, 8));
    RUN(testSShrShl32(-42, 8, 8));
    RUN(testSShrShl32(4200, 8, 8));
    RUN(testSShrShl32(-4200, 8, 8));
    RUN(testSShrShl32(4200000, 8, 8));
    RUN(testSShrShl32(-4200000, 8, 8));
    RUN(testSShrShl32(420000000, 8, 8));
    RUN(testSShrShl32(-420000000, 8, 8));

    RUN(testSShrShl64(42, 56, 56));
    RUN(testSShrShl64(-42, 56, 56));
    RUN(testSShrShl64(4200, 56, 56));
    RUN(testSShrShl64(-4200, 56, 56));
    RUN(testSShrShl64(4200000, 56, 56));
    RUN(testSShrShl64(-4200000, 56, 56));
    RUN(testSShrShl64(420000000, 56, 56));
    RUN(testSShrShl64(-420000000, 56, 56));
    RUN(testSShrShl64(42000000000, 56, 56));
    RUN(testSShrShl64(-42000000000, 56, 56));

    RUN(testSShrShl64(42, 48, 48));
    RUN(testSShrShl64(-42, 48, 48));
    RUN(testSShrShl64(4200, 48, 48));
    RUN(testSShrShl64(-4200, 48, 48));
    RUN(testSShrShl64(4200000, 48, 48));
    RUN(testSShrShl64(-4200000, 48, 48));
    RUN(testSShrShl64(420000000, 48, 48));
    RUN(testSShrShl64(-420000000, 48, 48));
    RUN(testSShrShl64(42000000000, 48, 48));
    RUN(testSShrShl64(-42000000000, 48, 48));

    RUN(testSShrShl64(42, 32, 32));
    RUN(testSShrShl64(-42, 32, 32));
    RUN(testSShrShl64(4200, 32, 32));
    RUN(testSShrShl64(-4200, 32, 32));
    RUN(testSShrShl64(4200000, 32, 32));
    RUN(testSShrShl64(-4200000, 32, 32));
    RUN(testSShrShl64(420000000, 32, 32));
    RUN(testSShrShl64(-420000000, 32, 32));
    RUN(testSShrShl64(42000000000, 32, 32));
    RUN(testSShrShl64(-42000000000, 32, 32));

    RUN(testSShrShl64(42, 24, 24));
    RUN(testSShrShl64(-42, 24, 24));
    RUN(testSShrShl64(4200, 24, 24));
    RUN(testSShrShl64(-4200, 24, 24));
    RUN(testSShrShl64(4200000, 24, 24));
    RUN(testSShrShl64(-4200000, 24, 24));
    RUN(testSShrShl64(420000000, 24, 24));
    RUN(testSShrShl64(-420000000, 24, 24));
    RUN(testSShrShl64(42000000000, 24, 24));
    RUN(testSShrShl64(-42000000000, 24, 24));

    RUN(testSShrShl64(42, 16, 16));
    RUN(testSShrShl64(-42, 16, 16));
    RUN(testSShrShl64(4200, 16, 16));
    RUN(testSShrShl64(-4200, 16, 16));
    RUN(testSShrShl64(4200000, 16, 16));
    RUN(testSShrShl64(-4200000, 16, 16));
    RUN(testSShrShl64(420000000, 16, 16));
    RUN(testSShrShl64(-420000000, 16, 16));
    RUN(testSShrShl64(42000000000, 16, 16));
    RUN(testSShrShl64(-42000000000, 16, 16));

    RUN(testSShrShl64(42, 8, 8));
    RUN(testSShrShl64(-42, 8, 8));
    RUN(testSShrShl64(4200, 8, 8));
    RUN(testSShrShl64(-4200, 8, 8));
    RUN(testSShrShl64(4200000, 8, 8));
    RUN(testSShrShl64(-4200000, 8, 8));
    RUN(testSShrShl64(420000000, 8, 8));
    RUN(testSShrShl64(-420000000, 8, 8));
    RUN(testSShrShl64(42000000000, 8, 8));
    RUN(testSShrShl64(-42000000000, 8, 8));

    RUN(testCheckMul64SShr());

    RUN(testComputeDivisionMagic<int32_t>(2, -2147483647, 0));
    RUN(testTrivialInfiniteLoop());
    RUN(testFoldPathEqual());
    
    RUN(testRShiftSelf32());
    RUN(testURShiftSelf32());
    RUN(testLShiftSelf32());
    RUN(testRShiftSelf64());
    RUN(testURShiftSelf64());
    RUN(testLShiftSelf64());

    RUN(testPatchpointDoubleRegs());
    RUN(testSpillDefSmallerThanUse());
    RUN(testSpillUseLargerThanDef());
    RUN(testLateRegister());
    RUN(testInterpreter());
    RUN(testReduceStrengthCheckBottomUseInAnotherBlock());
    RUN(testResetReachabilityDanglingReference());
    
    RUN(testEntrySwitchSimple());
    RUN(testEntrySwitchNoEntrySwitch());
    RUN(testEntrySwitchWithCommonPaths());
    RUN(testEntrySwitchWithCommonPathsAndNonTrivialEntrypoint());
    RUN(testEntrySwitchLoop());

    RUN(testSomeEarlyRegister());
    RUN(testPatchpointTerminalReturnValue(true));
    RUN(testPatchpointTerminalReturnValue(false));

    RUN(testMemoryFence());
    RUN(testStoreFence());
    RUN(testLoadFence());
    RUN(testTrappingLoad());
    RUN(testTrappingStore());
    RUN(testTrappingLoadAddStore());
    RUN(testTrappingLoadDCE());
    RUN(testTrappingStoreElimination());
    RUN(testMoveConstants());
    RUN(testPCOriginMapDoesntInsertNops());
    RUN(testPinRegisters());
    RUN(testReduceStrengthReassociation(true));
    RUN(testReduceStrengthReassociation(false));
    RUN(testAddShl32());
    RUN(testAddShl64());
    RUN(testAddShl65());
    RUN(testLoadBaseIndexShift2());
    RUN(testLoadBaseIndexShift32());
    RUN(testOptimizeMaterialization());

    RUN(testWasmBoundsCheck(0));
    RUN(testWasmBoundsCheck(100));
    RUN(testWasmBoundsCheck(10000));
    RUN(testWasmBoundsCheck(std::numeric_limits<unsigned>::max() - 5));
    RUN(testWasmAddress());

    if (isX86()) {
        RUN(testBranchBitAndImmFusion(Identity, Int64, 1, Air::BranchTest32, Air::Arg::Tmp));
        RUN(testBranchBitAndImmFusion(Identity, Int64, 0xff, Air::BranchTest32, Air::Arg::Tmp));
        RUN(testBranchBitAndImmFusion(Trunc, Int32, 1, Air::BranchTest32, Air::Arg::Tmp));
        RUN(testBranchBitAndImmFusion(Trunc, Int32, 0xff, Air::BranchTest32, Air::Arg::Tmp));
        RUN(testBranchBitAndImmFusion(Load8S, Int32, 1, Air::BranchTest8, Air::Arg::Addr));
        RUN(testBranchBitAndImmFusion(Load8Z, Int32, 1, Air::BranchTest8, Air::Arg::Addr));
        RUN(testBranchBitAndImmFusion(Load, Int32, 1, Air::BranchTest32, Air::Arg::Addr));
        RUN(testBranchBitAndImmFusion(Load, Int64, 1, Air::BranchTest32, Air::Arg::Addr));
        RUN(testX86LeaAddAddShlLeft());
        RUN(testX86LeaAddAddShlRight());
        RUN(testX86LeaAddAdd());
        RUN(testX86LeaAddShlRight());
        RUN(testX86LeaAddShlLeftScale1());
        RUN(testX86LeaAddShlLeftScale2());
        RUN(testX86LeaAddShlLeftScale4());
        RUN(testX86LeaAddShlLeftScale8());
    }

    if (isARM64()) {
        RUN(testTernarySubInstructionSelection(Identity, Int64, Air::Sub64));
        RUN(testTernarySubInstructionSelection(Trunc, Int32, Air::Sub32));
    }

    if (tasks.isEmpty())
        usage();

    Lock lock;

    Vector<ThreadIdentifier> threads;
    for (unsigned i = filter ? 1 : WTF::numberOfProcessorCores(); i--;) {
        threads.append(
            createThread(
                "testb3 thread",
                [&] () {
                    for (;;) {
                        RefPtr<SharedTask<void()>> task;
                        {
                            LockHolder locker(lock);
                            if (tasks.isEmpty())
                                return;
                            task = tasks.takeFirst();
                        }

                        task->run();
                    }
                }));
    }

    for (ThreadIdentifier thread : threads)
        waitForThreadCompletion(thread);
    crashLock.lock();
}

} // anonymous namespace

#else // ENABLE(B3_JIT)

static void run(const char*)
{
    dataLog("B3 JIT is not enabled.\n");
}

#endif // ENABLE(B3_JIT)

int main(int argc, char** argv)
{
    const char* filter = nullptr;
    switch (argc) {
    case 1:
        break;
    case 2:
        filter = argv[1];
        break;
    default:
        usage();
        break;
    }
    
    run(filter);
    return 0;
}