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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 V8_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) V8_OVERRIDE; | 27 virtual Reduction Reduce(Node* node) OVERRIDE; |
| 28 | 28 |
| 29 private: | 29 private: |
| 30 Node* Float64Constant(volatile double value); | 30 Node* Float64Constant(volatile double value); |
| 31 Node* Int32Constant(int32_t value); | 31 Node* Int32Constant(int32_t value); |
| 32 Node* Int64Constant(int64_t value); | 32 Node* Int64Constant(int64_t value); |
| 33 | 33 |
| 34 Reduction ReplaceBool(bool value) { return ReplaceInt32(value ? 1 : 0); } | 34 Reduction ReplaceBool(bool value) { return ReplaceInt32(value ? 1 : 0); } |
| 35 Reduction ReplaceFloat64(volatile double value) { | 35 Reduction ReplaceFloat64(volatile double value) { |
| 36 return Replace(Float64Constant(value)); | 36 return Replace(Float64Constant(value)); |
| 37 } | 37 } |
| (...skipping 11 matching lines...) Expand all Loading... |
| 49 | 49 |
| 50 JSGraph* jsgraph_; | 50 JSGraph* jsgraph_; |
| 51 MachineOperatorBuilder machine_; | 51 MachineOperatorBuilder machine_; |
| 52 }; | 52 }; |
| 53 | 53 |
| 54 } // namespace compiler | 54 } // namespace compiler |
| 55 } // namespace internal | 55 } // namespace internal |
| 56 } // namespace v8 | 56 } // namespace v8 |
| 57 | 57 |
| 58 #endif // V8_COMPILER_MACHINE_OPERATOR_REDUCER_H_ | 58 #endif // V8_COMPILER_MACHINE_OPERATOR_REDUCER_H_ |
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