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1 // Copyright 2014 the V8 project authors. All rights reserved. | 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 | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #ifndef V8_COMPILER_MACHINE_OPERATOR_REDUCER_H_ | 5 #ifndef V8_COMPILER_MACHINE_OPERATOR_REDUCER_H_ |
6 #define V8_COMPILER_MACHINE_OPERATOR_REDUCER_H_ | 6 #define V8_COMPILER_MACHINE_OPERATOR_REDUCER_H_ |
7 | 7 |
8 #include "src/compiler/graph-reducer.h" | 8 #include "src/compiler/graph-reducer.h" |
9 #include "src/compiler/machine-operator.h" | 9 #include "src/compiler/machine-operator.h" |
10 | 10 |
11 namespace v8 { | 11 namespace v8 { |
12 namespace internal { | 12 namespace internal { |
13 namespace compiler { | 13 namespace compiler { |
14 | 14 |
15 // Forward declarations. | 15 // Forward declarations. |
16 class CommonOperatorBuilder; | 16 class CommonOperatorBuilder; |
17 class JSGraph; | 17 class JSGraph; |
18 | 18 |
19 | 19 |
20 // Performs constant folding and strength reduction on nodes that have | 20 // Performs constant folding and strength reduction on nodes that have |
21 // machine operators. | 21 // machine operators. |
22 class MachineOperatorReducer FINAL : public Reducer { | 22 class MachineOperatorReducer FINAL : public Reducer { |
23 public: | 23 public: |
24 explicit MachineOperatorReducer(JSGraph* jsgraph); | 24 explicit MachineOperatorReducer(JSGraph* jsgraph); |
25 ~MachineOperatorReducer(); | 25 ~MachineOperatorReducer(); |
26 | 26 |
27 virtual Reduction Reduce(Node* node) OVERRIDE; | 27 Reduction Reduce(Node* node) OVERRIDE; |
28 | 28 |
29 private: | 29 private: |
30 Node* Float32Constant(volatile float value); | 30 Node* Float32Constant(volatile float value); |
31 Node* Float64Constant(volatile double value); | 31 Node* Float64Constant(volatile double value); |
32 Node* Int32Constant(int32_t value); | 32 Node* Int32Constant(int32_t value); |
33 Node* Int64Constant(int64_t value); | 33 Node* Int64Constant(int64_t value); |
34 Node* Uint32Constant(uint32_t value) { | 34 Node* Uint32Constant(uint32_t value) { |
35 return Int32Constant(bit_cast<uint32_t>(value)); | 35 return Int32Constant(bit_cast<uint32_t>(value)); |
36 } | 36 } |
37 Node* Word32And(Node* lhs, uint32_t rhs); | 37 Node* Word32And(Node* lhs, uint32_t rhs); |
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79 MachineOperatorBuilder* machine() const; | 79 MachineOperatorBuilder* machine() const; |
80 | 80 |
81 JSGraph* jsgraph_; | 81 JSGraph* jsgraph_; |
82 }; | 82 }; |
83 | 83 |
84 } // namespace compiler | 84 } // namespace compiler |
85 } // namespace internal | 85 } // namespace internal |
86 } // namespace v8 | 86 } // namespace v8 |
87 | 87 |
88 #endif // V8_COMPILER_MACHINE_OPERATOR_REDUCER_H_ | 88 #endif // V8_COMPILER_MACHINE_OPERATOR_REDUCER_H_ |
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