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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_CHANGE_LOWERING_H_ | 5 #ifndef V8_COMPILER_CHANGE_LOWERING_H_ |
6 #define V8_COMPILER_CHANGE_LOWERING_H_ | 6 #define V8_COMPILER_CHANGE_LOWERING_H_ |
7 | 7 |
8 #include "src/compiler/graph-reducer.h" | 8 #include "src/compiler/graph-reducer.h" |
9 | 9 |
10 namespace v8 { | 10 namespace v8 { |
11 namespace internal { | 11 namespace internal { |
12 namespace compiler { | 12 namespace compiler { |
13 | 13 |
14 // Forward declarations. | 14 // Forward declarations. |
15 class CommonOperatorBuilder; | 15 class CommonOperatorBuilder; |
16 class JSGraph; | 16 class JSGraph; |
17 class Linkage; | 17 class Linkage; |
18 class MachineOperatorBuilder; | 18 class MachineOperatorBuilder; |
19 | 19 |
20 class ChangeLowering FINAL : public Reducer { | 20 class ChangeLowering FINAL : public Reducer { |
21 public: | 21 public: |
22 ChangeLowering(JSGraph* jsgraph, Linkage* linkage) | 22 ChangeLowering(JSGraph* jsgraph, Linkage* linkage) |
23 : jsgraph_(jsgraph), linkage_(linkage) {} | 23 : jsgraph_(jsgraph), linkage_(linkage) {} |
24 virtual ~ChangeLowering(); | 24 virtual ~ChangeLowering(); |
25 | 25 |
26 virtual Reduction Reduce(Node* node) OVERRIDE; | 26 Reduction Reduce(Node* node) OVERRIDE; |
27 | 27 |
28 private: | 28 private: |
29 Node* HeapNumberValueIndexConstant(); | 29 Node* HeapNumberValueIndexConstant(); |
30 Node* SmiMaxValueConstant(); | 30 Node* SmiMaxValueConstant(); |
31 Node* SmiShiftBitsConstant(); | 31 Node* SmiShiftBitsConstant(); |
32 | 32 |
33 Node* AllocateHeapNumberWithValue(Node* value, Node* control); | 33 Node* AllocateHeapNumberWithValue(Node* value, Node* control); |
34 Node* ChangeInt32ToFloat64(Node* value); | 34 Node* ChangeInt32ToFloat64(Node* value); |
35 Node* ChangeSmiToFloat64(Node* value); | 35 Node* ChangeSmiToFloat64(Node* value); |
36 Node* ChangeSmiToInt32(Node* value); | 36 Node* ChangeSmiToInt32(Node* value); |
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58 | 58 |
59 JSGraph* jsgraph_; | 59 JSGraph* jsgraph_; |
60 Linkage* linkage_; | 60 Linkage* linkage_; |
61 }; | 61 }; |
62 | 62 |
63 } // namespace compiler | 63 } // namespace compiler |
64 } // namespace internal | 64 } // namespace internal |
65 } // namespace v8 | 65 } // namespace v8 |
66 | 66 |
67 #endif // V8_COMPILER_CHANGE_LOWERING_H_ | 67 #endif // V8_COMPILER_CHANGE_LOWERING_H_ |
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