diff options
Diffstat (limited to 'deps/v8/src/hydrogen-escape-analysis.h')
-rw-r--r-- | deps/v8/src/hydrogen-escape-analysis.h | 13 |
1 files changed, 8 insertions, 5 deletions
diff --git a/deps/v8/src/hydrogen-escape-analysis.h b/deps/v8/src/hydrogen-escape-analysis.h index 123da214e3..3e27cc1b48 100644 --- a/deps/v8/src/hydrogen-escape-analysis.h +++ b/deps/v8/src/hydrogen-escape-analysis.h @@ -40,18 +40,16 @@ class HEscapeAnalysisPhase : public HPhase { explicit HEscapeAnalysisPhase(HGraph* graph) : HPhase("H_Escape analysis", graph), captured_(0, zone()), + number_of_objects_(0), number_of_values_(0), cumulative_values_(0), block_states_(graph->blocks()->length(), zone()) { } - void Run() { - CollectCapturedValues(); - PerformScalarReplacement(); - } + void Run(); private: void CollectCapturedValues(); - void CollectIfNoEscapingUses(HInstruction* instr); + bool HasNoEscapingUses(HValue* value, int size); void PerformScalarReplacement(); void AnalyzeDataFlow(HInstruction* instr); @@ -62,6 +60,8 @@ class HEscapeAnalysisPhase : public HPhase { HPhi* NewPhiAndInsert(HBasicBlock* block, HValue* incoming_value, int index); + HValue* NewMapCheckAndInsert(HCapturedObject* state, HCheckMaps* mapcheck); + HCapturedObject* StateAt(HBasicBlock* block) { return block_states_.at(block->block_id()); } @@ -73,6 +73,9 @@ class HEscapeAnalysisPhase : public HPhase { // List of allocations captured during collection phase. ZoneList<HInstruction*> captured_; + // Number of captured objects on which scalar replacement was done. + int number_of_objects_; + // Number of scalar values tracked during scalar replacement phase. int number_of_values_; int cumulative_values_; |