1 // Copyright 2015 the V8 project authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 #ifndef V8_COMPILER_ESCAPE_ANALYSIS_REDUCER_H_ 6 #define V8_COMPILER_ESCAPE_ANALYSIS_REDUCER_H_ 7 8 #include "src/bit-vector.h" 9 #include "src/compiler/escape-analysis.h" 10 #include "src/compiler/graph-reducer.h" 11 12 13 namespace v8 { 14 namespace internal { 15 16 // Forward declarations. 17 class Counters; 18 19 20 namespace compiler { 21 22 // Forward declarations. 23 class JSGraph; 24 25 26 class EscapeAnalysisReducer final : public AdvancedReducer { 27 public: 28 EscapeAnalysisReducer(Editor* editor, JSGraph* jsgraph, 29 EscapeAnalysis* escape_analysis, Zone* zone); 30 31 Reduction Reduce(Node* node) final; 32 33 private: 34 Reduction ReduceLoad(Node* node); 35 Reduction ReduceStore(Node* node); 36 Reduction ReduceAllocate(Node* node); 37 Reduction ReduceFinishRegion(Node* node); 38 Reduction ReduceReferenceEqual(Node* node); 39 Reduction ReduceObjectIsSmi(Node* node); 40 Reduction ReduceFrameStateUses(Node* node); 41 Node* ReduceFrameState(Node* node, Node* effect, bool multiple_users); 42 Node* ReduceStateValueInputs(Node* node, Node* effect, bool multiple_users); 43 Node* ReduceStateValueInput(Node* node, int node_index, Node* effect, 44 bool multiple_users); 45 jsgraph()46 JSGraph* jsgraph() const { return jsgraph_; } escape_analysis()47 EscapeAnalysis* escape_analysis() const { return escape_analysis_; } zone()48 Zone* zone() const { return zone_; } 49 Counters* counters() const; 50 51 JSGraph* const jsgraph_; 52 EscapeAnalysis* escape_analysis_; 53 Zone* const zone_; 54 BitVector visited_; 55 56 DISALLOW_COPY_AND_ASSIGN(EscapeAnalysisReducer); 57 }; 58 59 } // namespace compiler 60 } // namespace internal 61 } // namespace v8 62 63 #endif // V8_COMPILER_ESCAPE_ANALYSIS_REDUCER_H_ 64