v8::internal::compiler::ContextSpecializationVisitor Class Reference

Inheritance diagram for v8::internal::compiler::ContextSpecializationVisitor:

Collaboration diagram for v8::internal::compiler::ContextSpecializationVisitor:

Public Member Functions
	ContextSpecializationVisitor (JSContextSpecializer *spec)
GenericGraphVisit::Control	Post (Node *node)
Public Member Functions inherited from v8::internal::compiler::GenericGraphVisit::NullNodeVisitor< B, S >
Control	Pre (GenericNode< B, S > *node)
Control	Post (GenericNode< B, S > *node)
void	PreEdge (GenericNode< B, S > *from, int index, GenericNode< B, S > *to)
void	PostEdge (GenericNode< B, S > *from, int index, GenericNode< B, S > *to)

Private Attributes
JSContextSpecializer *	spec_

Detailed Description

Definition at line 18 of file js-context-specialization.cc.

Constructor & Destructor Documentation

ContextSpecializationVisitor()

v8::internal::compiler::ContextSpecializationVisitor::ContextSpecializationVisitor ( JSContextSpecializer *  spec )

inlineexplicit

Definition at line 20 of file js-context-specialization.cc.

      : spec_(spec) {}

Member Function Documentation

Post()

GenericGraphVisit::Control v8::internal::compiler::ContextSpecializationVisitor::Post ( Node *  node )

inline

Definition at line 23 of file js-context-specialization.cc.

                                            {
    switch (node->opcode()) {
      case IrOpcode::kJSLoadContext: {
        Reduction r = spec_->ReduceJSLoadContext(node);
        if (r.Changed() && r.replacement() != node) {
          NodeProperties::ReplaceWithValue(node, r.replacement());
          node->RemoveAllInputs();
        }
        break;
      }
      case IrOpcode::kJSStoreContext: {
        Reduction r = spec_->ReduceJSStoreContext(node);
        if (r.Changed() && r.replacement() != node) {
          NodeProperties::ReplaceWithValue(node, r.replacement());
          node->RemoveAllInputs();
        }
        break;
      }
      default:
        break;
    }
    return GenericGraphVisit::CONTINUE;
  }

References v8::internal::compiler::GenericGraphVisit::CONTINUE, v8::internal::compiler::JSContextSpecializer::ReduceJSLoadContext(), v8::internal::compiler::JSContextSpecializer::ReduceJSStoreContext(), v8::internal::compiler::NodeProperties::ReplaceWithValue(), and spec_.

Here is the call graph for this function:

Member Data Documentation

spec_

JSContextSpecializer* v8::internal::compiler::ContextSpecializationVisitor::spec_

private

Definition at line 48 of file js-context-specialization.cc.

Referenced by Post().

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The documentation for this class was generated from the following file:

• /mnt/V8SourceCode/src/compiler/js-context-specialization.cc