| // Copyright 2018 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_TYPE_NARROWING_REDUCER_H_ |
| #define V8_COMPILER_TYPE_NARROWING_REDUCER_H_ |
| |
| #include "src/base/compiler-specific.h" |
| #include "src/compiler/graph-reducer.h" |
| #include "src/compiler/operation-typer.h" |
| |
| namespace v8 { |
| namespace internal { |
| namespace compiler { |
| |
| // Forward declarations. |
| class JSGraph; |
| |
| class V8_EXPORT_PRIVATE TypeNarrowingReducer final |
| : public NON_EXPORTED_BASE(AdvancedReducer) { |
| public: |
| TypeNarrowingReducer(Editor* editor, JSGraph* jsgraph, JSHeapBroker* broker); |
| ~TypeNarrowingReducer() final; |
| TypeNarrowingReducer(const TypeNarrowingReducer&) = delete; |
| TypeNarrowingReducer& operator=(const TypeNarrowingReducer&) = delete; |
| |
| const char* reducer_name() const override { return "TypeNarrowingReducer"; } |
| |
| Reduction Reduce(Node* node) final; |
| |
| private: |
| JSGraph* jsgraph() const { return jsgraph_; } |
| Graph* graph() const; |
| Zone* zone() const; |
| |
| JSGraph* const jsgraph_; |
| OperationTyper op_typer_; |
| }; |
| |
| } // namespace compiler |
| } // namespace internal |
| } // namespace v8 |
| |
| #endif // V8_COMPILER_TYPE_NARROWING_REDUCER_H_ |