Source/JavaScriptCore/dfg/DFGPhase.cpp

/*
 * Copyright (C) 2011-2018 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
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 */

#include "config.h"
#include "DFGPhase.h"

#if ENABLE(DFG_JIT)

#include "DFGValidate.h"
#include "JSCInlines.h"

namespace JSC { namespace DFG {

void Phase::validate()
{
    DFG::validate(m_graph, DumpGraph, m_graphDumpBeforePhase);
}

void Phase::beginPhase()
{
    if (Options::verboseValidationFailure()) {
        StringPrintStream out;
        m_graph.dump(out);
        m_graphDumpBeforePhase = out.toCString();
    }

    if (!shouldDumpGraphAtEachPhase(m_graph.m_plan.mode()))
        return;
    
    dataLog(m_graph.prefix(), "Beginning DFG phase ", m_name, ".\n");
    dataLog(m_graph.prefix(), "Before ", m_name, ":\n");
    m_graph.dump();
}

void Phase::endPhase()
{
    if (!Options::validateGraphAtEachPhase())
        return;
    validate();
}

} } // namespace JSC::DFG

#endif // ENABLE(DFG_JIT)