Line data    Source code

       1             : // Copyright 2018 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_TYPE_NARROWING_REDUCER_H_
       6             : #define V8_COMPILER_TYPE_NARROWING_REDUCER_H_
       7             : 
       8             : #include "src/base/compiler-specific.h"
       9             : #include "src/compiler/graph-reducer.h"
      10             : #include "src/compiler/operation-typer.h"
      11             : 
      12             : namespace v8 {
      13             : namespace internal {
      14             : namespace compiler {
      15             : 
      16             : // Forward declarations.
      17             : class JSGraph;
      18             : 
      19      928140 : class V8_EXPORT_PRIVATE TypeNarrowingReducer final
      20             :     : public NON_EXPORTED_BASE(AdvancedReducer) {
      21             :  public:
      22             :   TypeNarrowingReducer(Editor* editor, JSGraph* jsgraph, JSHeapBroker* broker);
      23             :   ~TypeNarrowingReducer() final;
      24             : 
      25          18 :   const char* reducer_name() const override { return "TypeNarrowingReducer"; }
      26             : 
      27             :   Reduction Reduce(Node* node) final;
      28             : 
      29             :  private:
      30             :   JSGraph* jsgraph() const { return jsgraph_; }
      31             :   Graph* graph() const;
      32             :   Zone* zone() const;
      33             : 
      34             :   JSGraph* const jsgraph_;
      35             :   OperationTyper op_typer_;
      36             : 
      37             :   DISALLOW_COPY_AND_ASSIGN(TypeNarrowingReducer);
      38             : };
      39             : 
      40             : }  // namespace compiler
      41             : }  // namespace internal
      42             : }  // namespace v8
      43             : 
      44             : #endif  // V8_COMPILER_TYPE_NARROWING_REDUCER_H_