v8::internal::HLoadEliminationPhase Class Reference

#include <hydrogen-load-elimination.h>

Inheritance diagram for v8::internal::HLoadEliminationPhase:

Collaboration diagram for v8::internal::HLoadEliminationPhase:

Public Member Functions
	HLoadEliminationPhase (HGraph *graph)
void	Run ()
Public Member Functions inherited from v8::internal::HPhase
	HPhase (const char *name, HGraph *graph)
	~HPhase ()

Private Member Functions
void	EliminateLoads (HBasicBlock *block)

Additional Inherited Members
Protected Member Functions inherited from v8::internal::HPhase
HGraph *	graph () const

Detailed Description

Definition at line 13 of file hydrogen-load-elimination.h.

Constructor & Destructor Documentation

HLoadEliminationPhase()

v8::internal::HLoadEliminationPhase::HLoadEliminationPhase ( HGraph *  graph )

inlineexplicit

Definition at line 15 of file hydrogen-load-elimination.h.

      : HPhase("H_Load elimination", graph) { }

Member Function Documentation

EliminateLoads()

void v8::internal::HLoadEliminationPhase::EliminateLoads ( HBasicBlock *  block )

private

Run()

void v8::internal::HLoadEliminationPhase::Run

(

)

Definition at line 492 of file hydrogen-load-elimination.cc.

                                {
  HFlowEngine<HLoadEliminationTable, HLoadEliminationEffects>
    engine(graph(), zone());
  HAliasAnalyzer aliasing;
  HLoadEliminationTable* table =
      new(zone()) HLoadEliminationTable(zone(), &aliasing);
 
  if (GLOBAL) {
    // Perform a global analysis.
    engine.AnalyzeDominatedBlocks(graph()->blocks()->at(0), table);
  } else {
    // Perform only local analysis.
    for (int i = 0; i < graph()->blocks()->length(); i++) {
      table->Kill();
      engine.AnalyzeOneBlock(graph()->blocks()->at(i), table);
    }
  }
}

References v8::internal::HFlowEngine< State, Effects >::AnalyzeDominatedBlocks(), v8::internal::HFlowEngine< State, Effects >::AnalyzeOneBlock(), GLOBAL, v8::internal::HPhase::graph(), and v8::internal::HLoadEliminationTable::Kill().

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

• /mnt/V8SourceCode/src/hydrogen-load-elimination.h
• /mnt/V8SourceCode/src/hydrogen-load-elimination.cc