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27 #include "DFGJITFinalizer.h"
31 #include "CodeBlock.h"
32 #include "CodeBlockWithJITType.h"
33 #include "DFGCommon.h"
35 #include "JSCInlines.h"
36 #include "ProfilerDatabase.h"
38 namespace JSC { namespace DFG {
40 JITFinalizer::JITFinalizer(Plan& plan, Ref<JITCode>&& jitCode, std::unique_ptr<LinkBuffer> linkBuffer, MacroAssemblerCodePtr withArityCheck)
42 , m_jitCode(WTFMove(jitCode))
43 , m_linkBuffer(WTFMove(linkBuffer))
44 , m_withArityCheck(withArityCheck)
48 JITFinalizer::~JITFinalizer()
52 size_t JITFinalizer::codeSize()
54 return m_linkBuffer->size();
57 bool JITFinalizer::finalize()
59 m_jitCode->initializeCodeRef(
60 FINALIZE_DFG_CODE(*m_linkBuffer, NoPtrTag, "DFG JIT code for %s", toCString(CodeBlockWithJITType(m_plan.codeBlock, JITCode::DFGJIT)).data()),
61 MacroAssemblerCodePtr());
63 m_plan.codeBlock->setJITCode(m_jitCode.copyRef());
70 bool JITFinalizer::finalizeFunction()
72 RELEASE_ASSERT(!m_withArityCheck.isEmptyValue());
73 m_jitCode->initializeCodeRef(
74 FINALIZE_DFG_CODE(*m_linkBuffer, NoPtrTag, "DFG JIT code for %s", toCString(CodeBlockWithJITType(m_plan.codeBlock, JITCode::DFGJIT)).data()),
76 m_plan.codeBlock->setJITCode(m_jitCode.copyRef());
83 void JITFinalizer::finalizeCommon()
85 // Some JIT finalizers may have added more constants. Shrink-to-fit those things now.
86 m_plan.codeBlock->constants().shrinkToFit();
87 m_plan.codeBlock->constantsSourceCodeRepresentation().shrinkToFit();
90 m_jitCode->optimizeAfterWarmUp(m_plan.codeBlock);
91 #endif // ENABLE(FTL_JIT)
93 if (UNLIKELY(m_plan.compilation))
94 m_plan.vm->m_perBytecodeProfiler->addCompilation(m_plan.codeBlock, *m_plan.compilation);
96 if (!m_plan.willTryToTierUp)
97 m_plan.codeBlock->baselineVersion()->m_didFailFTLCompilation = true;
100 } } // namespace JSC::DFG
102 #endif // ENABLE(DFG_JIT)