diff options
Diffstat (limited to 'Source/JavaScriptCore/dfg/DFGOSRExit.cpp')
| -rw-r--r-- | Source/JavaScriptCore/dfg/DFGOSRExit.cpp | 15 |
1 files changed, 13 insertions, 2 deletions
diff --git a/Source/JavaScriptCore/dfg/DFGOSRExit.cpp b/Source/JavaScriptCore/dfg/DFGOSRExit.cpp index 95e4d8bf2..844be2a7c 100644 --- a/Source/JavaScriptCore/dfg/DFGOSRExit.cpp +++ b/Source/JavaScriptCore/dfg/DFGOSRExit.cpp @@ -33,17 +33,28 @@ namespace JSC { namespace DFG { +static unsigned computeNumVariablesForCodeOrigin( + CodeBlock* codeBlock, const CodeOrigin& codeOrigin) +{ + if (!codeOrigin.inlineCallFrame) + return codeBlock->m_numCalleeRegisters; + return + codeOrigin.inlineCallFrame->stackOffset + + baselineCodeBlockForInlineCallFrame(codeOrigin.inlineCallFrame)->m_numCalleeRegisters; +} + OSRExit::OSRExit(ExitKind kind, JSValueSource jsValueSource, MethodOfGettingAValueProfile valueProfile, MacroAssembler::Jump check, SpeculativeJIT* jit, unsigned recoveryIndex) : m_jsValueSource(jsValueSource) , m_valueProfile(valueProfile) , m_check(check) , m_nodeIndex(jit->m_compileIndex) , m_codeOrigin(jit->m_codeOriginForOSR) + , m_codeOriginForExitProfile(m_codeOrigin) , m_recoveryIndex(recoveryIndex) , m_kind(kind) , m_count(0) , m_arguments(jit->m_arguments.size()) - , m_variables(jit->m_variables.size()) + , m_variables(computeNumVariablesForCodeOrigin(jit->m_jit.graph().m_profiledBlock, jit->m_codeOriginForOSR)) , m_lastSetOperand(jit->m_lastSetOperand) { ASSERT(m_codeOrigin.isSet()); @@ -67,7 +78,7 @@ bool OSRExit::considerAddingAsFrequentExitSiteSlow(CodeBlock* dfgCodeBlock, Code if (static_cast<double>(m_count) / dfgCodeBlock->speculativeFailCounter() <= Options::osrExitProminenceForFrequentExitSite) return false; - return baselineCodeBlockForOriginAndBaselineCodeBlock(m_codeOrigin, profiledCodeBlock)->addFrequentExitSite(FrequentExitSite(m_codeOrigin.bytecodeIndex, m_kind)); + return baselineCodeBlockForOriginAndBaselineCodeBlock(m_codeOriginForExitProfile, profiledCodeBlock)->addFrequentExitSite(FrequentExitSite(m_codeOriginForExitProfile.bytecodeIndex, m_kind)); } } } // namespace JSC::DFG |