diff options
Diffstat (limited to 'Source/JavaScriptCore')
| -rw-r--r-- | Source/JavaScriptCore/dfg/DFGArgumentsSimplificationPhase.cpp | 17 | ||||
| -rw-r--r-- | Source/JavaScriptCore/dfg/DFGOSREntry.cpp | 2 |
2 files changed, 12 insertions, 7 deletions
diff --git a/Source/JavaScriptCore/dfg/DFGArgumentsSimplificationPhase.cpp b/Source/JavaScriptCore/dfg/DFGArgumentsSimplificationPhase.cpp index cbab4e8c8..ec7515eec 100644 --- a/Source/JavaScriptCore/dfg/DFGArgumentsSimplificationPhase.cpp +++ b/Source/JavaScriptCore/dfg/DFGArgumentsSimplificationPhase.cpp @@ -123,12 +123,9 @@ public: bool changed = false; // Record which arguments are known to escape no matter what. - for (unsigned i = codeBlock()->inlineCallFrames().size(); i--;) { - InlineCallFrame* inlineCallFrame = &codeBlock()->inlineCallFrames()[i]; - if (m_graph.m_executablesWhoseArgumentsEscaped.contains( - m_graph.executableFor(inlineCallFrame))) - m_createsArguments.add(inlineCallFrame); - } + for (unsigned i = codeBlock()->inlineCallFrames().size(); i--;) + pruneObviousArgumentCreations(&codeBlock()->inlineCallFrames()[i]); + pruneObviousArgumentCreations(0); // the machine call frame. // Create data for variable access datas that we will want to analyze. for (unsigned i = m_graph.m_variableAccessData.size(); i--;) { @@ -700,6 +697,14 @@ private: NullableHashTraits<VariableAccessData*> > m_argumentsAliasing; HashSet<VariableAccessData*> m_isLive; + void pruneObviousArgumentCreations(InlineCallFrame* inlineCallFrame) + { + ScriptExecutable* executable = jsCast<ScriptExecutable*>(m_graph.executableFor(inlineCallFrame)); + if (m_graph.m_executablesWhoseArgumentsEscaped.contains(executable) + || executable->isStrictMode()) + m_createsArguments.add(inlineCallFrame); + } + void observeBadArgumentsUse(Node* node) { if (!node) diff --git a/Source/JavaScriptCore/dfg/DFGOSREntry.cpp b/Source/JavaScriptCore/dfg/DFGOSREntry.cpp index 5739593ee..9b75e70ab 100644 --- a/Source/JavaScriptCore/dfg/DFGOSREntry.cpp +++ b/Source/JavaScriptCore/dfg/DFGOSREntry.cpp @@ -118,7 +118,7 @@ void* prepareOSREntry(ExecState* exec, CodeBlock* codeBlock, unsigned bytecodeIn } continue; } - if (!entry->m_expectedValues.local(local).validate(exec->registers()[local].jsValue())) { + if (!entry->m_expectedValues.local(local).isTop() && !entry->m_expectedValues.local(local).validate(exec->registers()[local].jsValue())) { #if ENABLE(JIT_VERBOSE_OSR) dataLog(" OSR failed because variable ", local, " is ", exec->registers()[local].jsValue(), ", expected ", entry->m_expectedValues.local(local), ".\n"); #endif |