Changeset 176625 in webkit for trunk/Source/JavaScriptCore/ftl/FTLLowerDFGToLLVM.cpp

Timestamp:

Dec 1, 2014, 8:09:24 PM (11 years ago)

Author:

[email protected]

Message:

Remove GetMyScope node from DFG
​https://bugs.webkit.org/show_bug.cgi?id=139166

Reviewed by Oliver Hunt.

Eliminated GetMyScope DFG node type.

• dfg/DFGAbstractInterpreterInlines.h:

(JSC::DFG::AbstractInterpreter<AbstractStateType>::executeEffects):

• dfg/DFGClobberize.h:

(JSC::DFG::clobberize):

• dfg/DFGDoesGC.cpp:

(JSC::DFG::doesGC):

• dfg/DFGFixupPhase.cpp:

(JSC::DFG::FixupPhase::fixupNode):

• dfg/DFGGraph.cpp:

(JSC::DFG::Graph::isLiveInBytecode):

• dfg/DFGNodeType.h:
• dfg/DFGPredictionPropagationPhase.cpp:

(JSC::DFG::PredictionPropagationPhase::propagate):

• dfg/DFGSafeToExecute.h:

(JSC::DFG::safeToExecute):

• dfg/DFGSpeculativeJIT32_64.cpp:

(JSC::DFG::SpeculativeJIT::compile):

• dfg/DFGSpeculativeJIT64.cpp:

(JSC::DFG::SpeculativeJIT::compile):

• ftl/FTLCapabilities.cpp:

(JSC::FTL::canCompile):

• ftl/FTLLowerDFGToLLVM.cpp:

(JSC::FTL::LowerDFGToLLVM::compileNode):
(JSC::FTL::LowerDFGToLLVM::compileGetMyScope): Deleted.

File:

• trunk/Source/JavaScriptCore/ftl/FTLLowerDFGToLLVM.cpp (modified) (2 diffs)

trunk/Source/JavaScriptCore/ftl/FTLLowerDFGToLLVM.cpp

@@ -592 +592 @@
         case GetScope:
             compileGetScope();
-            break;
-        case GetMyScope:
-            compileGetMyScope();
             break;
         case SkipScope:
@@ -3425 +3422 @@
     }
     
-    void compileGetMyScope()
-    {
-        setJSValue(m_out.loadPtr(addressFor(
-            m_node->origin.semantic.stackOffset() + JSStack::ScopeChain)));
-    }
-    
     void compileSkipScope()
     {