Line data    Source code

       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/base/compiler-specific.h"
       9             : #include "src/compiler/graph-reducer.h"
      10             : #include "src/globals.h"
      11             : 
      12             : namespace v8 {
      13             : namespace internal {
      14             : 
      15             : // Forward declarations.
      16             : class Factory;
      17             : class Isolate;
      18             : 
      19             : namespace compiler {
      20             : 
      21             : // Forward declarations.
      22             : class JSGraph;
      23             : class MachineOperatorBuilder;
      24             : class SimplifiedOperatorBuilder;
      25             : 
      26     1858342 : class V8_EXPORT_PRIVATE SimplifiedOperatorReducer final
      27             :     : public NON_EXPORTED_BASE(AdvancedReducer) {
      28             :  public:
      29             :   SimplifiedOperatorReducer(Editor* editor, JSGraph* jsgraph,
      30             :                             JSHeapBroker* broker);
      31             :   ~SimplifiedOperatorReducer() final;
      32             : 
      33          58 :   const char* reducer_name() const override {
      34          58 :     return "SimplifiedOperatorReducer";
      35             :   }
      36             : 
      37             :   Reduction Reduce(Node* node) final;
      38             : 
      39             :  private:
      40             :   Reduction ReduceReferenceEqual(Node* node);
      41             : 
      42             :   Reduction Change(Node* node, const Operator* op, Node* a);
      43             :   Reduction ReplaceBoolean(bool value);
      44             :   Reduction ReplaceFloat64(double value);
      45             :   Reduction ReplaceInt32(int32_t value);
      46             :   Reduction ReplaceUint32(uint32_t value) {
      47             :     return ReplaceInt32(bit_cast<int32_t>(value));
      48             :   }
      49             :   Reduction ReplaceNumber(double value);
      50             :   Reduction ReplaceNumber(int32_t value);
      51             : 
      52             :   Factory* factory() const;
      53             :   Graph* graph() const;
      54             :   MachineOperatorBuilder* machine() const;
      55             :   SimplifiedOperatorBuilder* simplified() const;
      56             : 
      57             :   JSGraph* jsgraph() const { return jsgraph_; }
      58             :   JSHeapBroker* broker() const { return broker_; }
      59             : 
      60             :   JSGraph* const jsgraph_;
      61             :   JSHeapBroker* const broker_;
      62             : 
      63             :   DISALLOW_COPY_AND_ASSIGN(SimplifiedOperatorReducer);
      64             : };
      65             : 
      66             : }  // namespace compiler
      67             : }  // namespace internal
      68             : }  // namespace v8
      69             : 
      70             : #endif  // V8_COMPILER_SIMPLIFIED_OPERATOR_REDUCER_H_