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/*
* Copyright (C) 2013-2019 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 "DFGToFTLForOSREntryDeferredCompilationCallback.h"
#if ENABLE(FTL_JIT)
#include "CodeBlock.h"
#include "DFGJITCode.h"
#include "FTLForOSREntryJITCode.h"
namespace JSC { namespace DFG {
ToFTLForOSREntryDeferredCompilationCallback::ToFTLForOSREntryDeferredCompilationCallback(JITCode::TriggerReason* forcedOSREntryTrigger)
: m_forcedOSREntryTrigger(forcedOSREntryTrigger)
{
}
ToFTLForOSREntryDeferredCompilationCallback::~ToFTLForOSREntryDeferredCompilationCallback() = default;
Ref<ToFTLForOSREntryDeferredCompilationCallback>ToFTLForOSREntryDeferredCompilationCallback::create(JITCode::TriggerReason* forcedOSREntryTrigger)
{
return adoptRef(*new ToFTLForOSREntryDeferredCompilationCallback(forcedOSREntryTrigger));
}
void ToFTLForOSREntryDeferredCompilationCallback::compilationDidBecomeReadyAsynchronously(
CodeBlock* codeBlock, CodeBlock* profiledDFGCodeBlock)
{
dataLogLnIf(Options::verboseOSR(),
"Optimizing compilation of ", *codeBlock, " (for ", *profiledDFGCodeBlock,
") did become ready.");
*m_forcedOSREntryTrigger = JITCode::TriggerReason::CompilationDone;
}
void ToFTLForOSREntryDeferredCompilationCallback::compilationDidComplete(
CodeBlock* codeBlock, CodeBlock* profiledDFGCodeBlock, CompilationResult result)
{
dataLogLnIf(Options::verboseOSR(),
"Optimizing compilation of ", *codeBlock, " (for ", *profiledDFGCodeBlock,
") result: ", result);
JITCode* jitCode = profiledDFGCodeBlock->jitCode()->dfg();
switch (result) {
case CompilationSuccessful: {
jitCode->setOSREntryBlock(codeBlock->vm(), profiledDFGCodeBlock, codeBlock);
BytecodeIndex osrEntryBytecode = codeBlock->jitCode()->ftlForOSREntry()->bytecodeIndex();
jitCode->tierUpEntryTriggers.set(osrEntryBytecode, JITCode::TriggerReason::CompilationDone);
break;
}
case CompilationFailed:
jitCode->osrEntryRetry = 0;
jitCode->abandonOSREntry = true;
profiledDFGCodeBlock->jitCode()->dfg()->setOptimizationThresholdBasedOnCompilationResult(
profiledDFGCodeBlock, result);
break;
case CompilationDeferred:
RELEASE_ASSERT_NOT_REACHED();
case CompilationInvalidated:
jitCode->osrEntryRetry = 0;
break;
}
DeferredCompilationCallback::compilationDidComplete(codeBlock, profiledDFGCodeBlock, result);
}
} } // JSC::DFG
#endif // ENABLE(FTL_JIT)
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