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Unified Diff: src/hydrogen-escape-analysis.h

Issue 1405363003: Move Hydrogen and Lithium to src/crankshaft/ (Closed) Base URL: https://chromium.googlesource.com/v8/v8.git@master
Patch Set: rebased Created 5 years, 2 months ago
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Index: src/hydrogen-escape-analysis.h
diff --git a/src/hydrogen-escape-analysis.h b/src/hydrogen-escape-analysis.h
deleted file mode 100644
index be5f9f488e37f9d244d5c6241545cc34a5cab813..0000000000000000000000000000000000000000
--- a/src/hydrogen-escape-analysis.h
+++ /dev/null
@@ -1,71 +0,0 @@
-// Copyright 2013 the V8 project authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#ifndef V8_HYDROGEN_ESCAPE_ANALYSIS_H_
-#define V8_HYDROGEN_ESCAPE_ANALYSIS_H_
-
-#include "src/allocation.h"
-#include "src/hydrogen.h"
-
-namespace v8 {
-namespace internal {
-
-
-class HEscapeAnalysisPhase : public HPhase {
- public:
- 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();
-
- private:
- void CollectCapturedValues();
- bool HasNoEscapingUses(HValue* value, int size);
- void PerformScalarReplacement();
- void AnalyzeDataFlow(HInstruction* instr);
-
- HCapturedObject* NewState(HInstruction* prev);
- HCapturedObject* NewStateForAllocation(HInstruction* prev);
- HCapturedObject* NewStateForLoopHeader(HInstruction* prev, HCapturedObject*);
- HCapturedObject* NewStateCopy(HInstruction* prev, HCapturedObject* state);
-
- HPhi* NewPhiAndInsert(HBasicBlock* block, HValue* incoming_value, int index);
-
- HValue* NewMapCheckAndInsert(HCapturedObject* state, HCheckMaps* mapcheck);
-
- HValue* NewLoadReplacement(HLoadNamedField* load, HValue* load_value);
-
- HCapturedObject* StateAt(HBasicBlock* block) {
- return block_states_.at(block->block_id());
- }
-
- void SetStateAt(HBasicBlock* block, HCapturedObject* state) {
- block_states_.Set(block->block_id(), state);
- }
-
- // 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_;
-
- // Map of block IDs to the data-flow state at block entry during the
- // scalar replacement phase.
- ZoneList<HCapturedObject*> block_states_;
-};
-
-
-} // namespace internal
-} // namespace v8
-
-#endif // V8_HYDROGEN_ESCAPE_ANALYSIS_H_
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