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      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 Heap;
     15 
     16 namespace compiler {
     17 
     18 // Forward declarations.
     19 class JSGraph;
     20 class MachineOperatorBuilder;
     21 
     22 class SimplifiedOperatorReducer FINAL : public Reducer {
     23  public:
     24   explicit SimplifiedOperatorReducer(JSGraph* jsgraph) : jsgraph_(jsgraph) {}
     25   virtual ~SimplifiedOperatorReducer();
     26 
     27   virtual Reduction Reduce(Node* node) OVERRIDE;
     28 
     29  private:
     30   Reduction Change(Node* node, const Operator* op, Node* a);
     31   Reduction ReplaceFloat64(double value);
     32   Reduction ReplaceInt32(int32_t value);
     33   Reduction ReplaceUint32(uint32_t value) {
     34     return ReplaceInt32(bit_cast<int32_t>(value));
     35   }
     36   Reduction ReplaceNumber(double value);
     37   Reduction ReplaceNumber(int32_t value);
     38 
     39   Graph* graph() const;
     40   Factory* factory() const;
     41   JSGraph* jsgraph() const { return jsgraph_; }
     42   MachineOperatorBuilder* machine() const;
     43 
     44   JSGraph* jsgraph_;
     45 
     46   DISALLOW_COPY_AND_ASSIGN(SimplifiedOperatorReducer);
     47 };
     48 
     49 }  // namespace compiler
     50 }  // namespace internal
     51 }  // namespace v8
     52 
     53 #endif  // V8_COMPILER_SIMPLIFIED_OPERATOR_REDUCER_H_
     54