| // Copyright 2014 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_COMPILER_COMMON_OPERATOR_REDUCER_H_ |
| #define V8_COMPILER_COMMON_OPERATOR_REDUCER_H_ |
| |
| #include "src/base/compiler-specific.h" |
| #include "src/compiler/graph-reducer.h" |
| #include "src/globals.h" |
| |
| namespace v8 { |
| namespace internal { |
| namespace compiler { |
| |
| // Forward declarations. |
| class CommonOperatorBuilder; |
| class Graph; |
| class MachineOperatorBuilder; |
| class Operator; |
| |
| |
| // Performs strength reduction on nodes that have common operators. |
| class V8_EXPORT_PRIVATE CommonOperatorReducer final |
| : public NON_EXPORTED_BASE(AdvancedReducer) { |
| public: |
| CommonOperatorReducer(Editor* editor, Graph* graph, |
| CommonOperatorBuilder* common, |
| MachineOperatorBuilder* machine); |
| ~CommonOperatorReducer() final {} |
| |
| const char* reducer_name() const override { return "CommonOperatorReducer"; } |
| |
| Reduction Reduce(Node* node) final; |
| |
| private: |
| Reduction ReduceBranch(Node* node); |
| Reduction ReduceDeoptimizeConditional(Node* node); |
| Reduction ReduceMerge(Node* node); |
| Reduction ReduceEffectPhi(Node* node); |
| Reduction ReducePhi(Node* node); |
| Reduction ReduceReturn(Node* node); |
| Reduction ReduceSelect(Node* node); |
| |
| Reduction Change(Node* node, Operator const* op, Node* a); |
| Reduction Change(Node* node, Operator const* op, Node* a, Node* b); |
| |
| Graph* graph() const { return graph_; } |
| CommonOperatorBuilder* common() const { return common_; } |
| MachineOperatorBuilder* machine() const { return machine_; } |
| Node* dead() const { return dead_; } |
| |
| Graph* const graph_; |
| CommonOperatorBuilder* const common_; |
| MachineOperatorBuilder* const machine_; |
| Node* const dead_; |
| }; |
| |
| } // namespace compiler |
| } // namespace internal |
| } // namespace v8 |
| |
| #endif // V8_COMPILER_COMMON_OPERATOR_REDUCER_H_ |