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 TypeCache; 15 16 namespace compiler { 17 18 // Forward declarations. 19 class JSGraph; 20 class MachineOperatorBuilder; 21 class SimplifiedOperatorBuilder; 22 23 class SimplifiedOperatorReducer final : public AdvancedReducer { 24 public: 25 SimplifiedOperatorReducer(Editor* editor, JSGraph* jsgraph); 26 ~SimplifiedOperatorReducer() final; 27 28 Reduction Reduce(Node* node) final; 29 30 private: 31 Reduction ReduceReferenceEqual(Node* node); 32 Reduction ReduceTypeGuard(Node* node); 33 34 Reduction Change(Node* node, const Operator* op, Node* a); 35 Reduction ReplaceBoolean(bool value); 36 Reduction ReplaceFloat64(double value); 37 Reduction ReplaceInt32(int32_t value); 38 Reduction ReplaceUint32(uint32_t value) { 39 return ReplaceInt32(bit_cast<int32_t>(value)); 40 } 41 Reduction ReplaceNumber(double value); 42 Reduction ReplaceNumber(int32_t value); 43 44 Graph* graph() const; 45 JSGraph* jsgraph() const { return jsgraph_; } 46 MachineOperatorBuilder* machine() const; 47 SimplifiedOperatorBuilder* simplified() const; 48 49 JSGraph* const jsgraph_; 50 TypeCache const& type_cache_; 51 52 DISALLOW_COPY_AND_ASSIGN(SimplifiedOperatorReducer); 53 }; 54 55 } // namespace compiler 56 } // namespace internal 57 } // namespace v8 58 59 #endif // V8_COMPILER_SIMPLIFIED_OPERATOR_REDUCER_H_ 60
