1 // Copyright 2014 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_SIMPLIFIED_OPERATOR_REDUCER_H_ 6 #define V8_COMPILER_SIMPLIFIED_OPERATOR_REDUCER_H_ 7 8 #include "src/compiler/graph-reducer.h" 9 10 namespace v8 { 11 namespace internal { 12 13 // Forward declarations. 14 class Heap; 15 16 namespace compiler { 17 18 // Forward declarations. 19 class JSGraph; 20 class MachineOperatorBuilder; 21 22 class SimplifiedOperatorReducer FINAL : public Reducer { 23 public: SimplifiedOperatorReducer(JSGraph * jsgraph)24 explicit SimplifiedOperatorReducer(JSGraph* jsgraph) : jsgraph_(jsgraph) {} 25 virtual ~SimplifiedOperatorReducer(); 26 27 virtual Reduction Reduce(Node* node) OVERRIDE; 28 29 private: 30 Reduction Change(Node* node, const Operator* op, Node* a); 31 Reduction ReplaceFloat64(double value); 32 Reduction ReplaceInt32(int32_t value); ReplaceUint32(uint32_t value)33 Reduction ReplaceUint32(uint32_t value) { 34 return ReplaceInt32(bit_cast<int32_t>(value)); 35 } 36 Reduction ReplaceNumber(double value); 37 Reduction ReplaceNumber(int32_t value); 38 39 Graph* graph() const; 40 Factory* factory() const; jsgraph()41 JSGraph* jsgraph() const { return jsgraph_; } 42 MachineOperatorBuilder* machine() const; 43 44 JSGraph* jsgraph_; 45 46 DISALLOW_COPY_AND_ASSIGN(SimplifiedOperatorReducer); 47 }; 48 49 } // namespace compiler 50 } // namespace internal 51 } // namespace v8 52 53 #endif // V8_COMPILER_SIMPLIFIED_OPERATOR_REDUCER_H_ 54