Source/JavaScriptCore/jit/JITToDFGDeferredCompilationCallback.cpp

/*
 * Copyright (C) 2013 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 "JITToDFGDeferredCompilationCallback.h"

#if ENABLE(DFG_JIT)

#include "CodeBlock.h"
#include "JSCInlines.h"

namespace JSC {

JITToDFGDeferredCompilationCallback::JITToDFGDeferredCompilationCallback() { }
JITToDFGDeferredCompilationCallback::~JITToDFGDeferredCompilationCallback() { }

Ref<JITToDFGDeferredCompilationCallback> JITToDFGDeferredCompilationCallback::create()
{
    return adoptRef(*new JITToDFGDeferredCompilationCallback());
}

void JITToDFGDeferredCompilationCallback::compilationDidBecomeReadyAsynchronously(
    CodeBlock* codeBlock, CodeBlock* profiledDFGCodeBlock)
{
    ASSERT_UNUSED(profiledDFGCodeBlock, !profiledDFGCodeBlock);
    ASSERT(codeBlock->alternative()->jitType() == JITCode::BaselineJIT);
    
    if (Options::verboseOSR())
        dataLog("Optimizing compilation of ", *codeBlock, " did become ready.\n");
    
    codeBlock->alternative()->forceOptimizationSlowPathConcurrently();
}

void JITToDFGDeferredCompilationCallback::compilationDidComplete(
    CodeBlock* codeBlock, CodeBlock* profiledDFGCodeBlock, CompilationResult result)
{
    ASSERT(!profiledDFGCodeBlock);
    ASSERT(codeBlock->alternative()->jitType() == JITCode::BaselineJIT);
    
    if (Options::verboseOSR())
        dataLog("Optimizing compilation of ", *codeBlock, " result: ", result, "\n");
    
    if (result == CompilationSuccessful)
        codeBlock->ownerScriptExecutable()->installCode(codeBlock);
    
    codeBlock->alternative()->setOptimizationThresholdBasedOnCompilationResult(result);

    DeferredCompilationCallback::compilationDidComplete(codeBlock, profiledDFGCodeBlock, result);
}

} // JSC

#endif // ENABLE(DFG_JIT)