deps/v8/src/compiler/simplified-operator-reducer.h

   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 #include "src/compiler/simplified-operator.h"
  10
  11 namespace v8 {
  12 namespace internal {
  13
  14 // Forward declarations.
  15 class Factory;
  16 class Heap;
  17
  18 namespace compiler {
  19
  20 // Forward declarations.
  21 class CommonOperatorBuilder;
  22 class JSGraph;
  23 class MachineOperatorBuilder;
  24
  25 class SimplifiedOperatorReducer FINAL : public Reducer {
  26  public:
  27   explicit SimplifiedOperatorReducer(JSGraph* jsgraph);
  28   ~SimplifiedOperatorReducer() FINAL;
  29
  30   Reduction Reduce(Node* node) FINAL;
  31
  32  private:
  33   Reduction ReduceAnyToBoolean(Node* node);
  34
  35   Reduction Change(Node* node, const Operator* op, Node* a);
  36   Reduction ReplaceFloat64(double value);
  37   Reduction ReplaceInt32(int32_t value);
  38   Reduction ReplaceUint32(uint32_t value) {
  39     return ReplaceInt32(bit_cast<int32_t>(value));
  40   }
  41   Reduction ReplaceNumber(double value);
  42   Reduction ReplaceNumber(int32_t value);
  43
  44   Graph* graph() const;
  45   Factory* factory() const;
  46   JSGraph* jsgraph() const { return jsgraph_; }
  47   CommonOperatorBuilder* common() const;
  48   MachineOperatorBuilder* machine() const;
  49   SimplifiedOperatorBuilder* simplified() { return &simplified_; }
  50
  51   JSGraph* jsgraph_;
  52   SimplifiedOperatorBuilder simplified_;
  53
  54   DISALLOW_COPY_AND_ASSIGN(SimplifiedOperatorReducer);
  55 };
  56
  57 }  // namespace compiler
  58 }  // namespace internal
  59 }  // namespace v8
  60
  61 #endif  // V8_COMPILER_SIMPLIFIED_OPERATOR_REDUCER_H_