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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 | |
21 class ChangeLowering FINAL : public Reducer { | 20 class ChangeLowering FINAL : public Reducer { |
22 public: | 21 public: |
23 ChangeLowering(JSGraph* jsgraph, Linkage* linkage) | 22 ChangeLowering(JSGraph* jsgraph, Linkage* linkage) |
24 : jsgraph_(jsgraph), linkage_(linkage) {} | 23 : jsgraph_(jsgraph), linkage_(linkage) {} |
25 ~ChangeLowering() FINAL; | 24 ~ChangeLowering() FINAL; |
26 | 25 |
27 Reduction Reduce(Node* node) FINAL; | 26 Reduction Reduce(Node* node) FINAL; |
28 | 27 |
29 private: | 28 private: |
30 Node* HeapNumberValueIndexConstant(); | 29 Node* HeapNumberValueIndexConstant(); |
31 Node* SmiMaxValueConstant(); | 30 Node* SmiMaxValueConstant(); |
32 Node* SmiShiftBitsConstant(); | 31 Node* SmiShiftBitsConstant(); |
33 | 32 |
34 Node* AllocateHeapNumberWithValue(Node* value, Node* control); | 33 Node* AllocateHeapNumberWithValue(Node* value, Node* control); |
35 Node* ChangeInt32ToFloat64(Node* value); | 34 Node* ChangeInt32ToFloat64(Node* value); |
36 Node* ChangeSmiToFloat64(Node* value); | 35 Node* ChangeSmiToFloat64(Node* value); |
37 Node* ChangeSmiToInt32(Node* value); | 36 Node* ChangeSmiToInt32(Node* value); |
38 Node* ChangeUint32ToFloat64(Node* value); | 37 Node* ChangeUint32ToFloat64(Node* value); |
39 Node* ChangeUint32ToSmi(Node* value); | 38 Node* ChangeUint32ToSmi(Node* value); |
40 Node* LoadHeapNumberValue(Node* value, Node* control); | 39 Node* LoadHeapNumberValue(Node* value, Node* control); |
41 Node* TestNotSmi(Node* value); | 40 Node* TestNotSmi(Node* value); |
42 Node* Uint32LessThanOrEqual(Node* lhs, Node* rhs); | 41 Node* Uint32LessThanOrEqual(Node* lhs, Node* rhs); |
43 | 42 |
44 Reduction ChangeBitToBool(Node* value); | 43 Reduction ChangeBitToBool(Node* value, Node* control); |
45 Reduction ChangeBoolToBit(Node* value); | 44 Reduction ChangeBoolToBit(Node* value); |
46 Reduction ChangeWord32ToBit(Node* value); | |
47 Reduction ChangeWord64ToBit(Node* value); | |
48 Reduction ChangeFloat64ToTagged(Node* value, Node* control); | 45 Reduction ChangeFloat64ToTagged(Node* value, Node* control); |
49 Reduction ChangeInt32ToTagged(Node* value, Node* control); | 46 Reduction ChangeInt32ToTagged(Node* value, Node* control); |
50 Reduction ChangeTaggedToFloat64(Node* value, Node* control); | 47 Reduction ChangeTaggedToFloat64(Node* value, Node* control); |
51 Reduction ChangeTaggedToUI32(Node* value, Node* control, | 48 Reduction ChangeTaggedToUI32(Node* value, Node* control, |
52 Signedness signedness); | 49 Signedness signedness); |
53 Reduction ChangeUint32ToTagged(Node* value, Node* control); | 50 Reduction ChangeUint32ToTagged(Node* value, Node* control); |
54 | 51 |
55 Graph* graph() const; | 52 Graph* graph() const; |
56 Isolate* isolate() const; | 53 Isolate* isolate() const; |
57 JSGraph* jsgraph() const { return jsgraph_; } | 54 JSGraph* jsgraph() const { return jsgraph_; } |
58 Linkage* linkage() const { return linkage_; } | 55 Linkage* linkage() const { return linkage_; } |
59 CommonOperatorBuilder* common() const; | 56 CommonOperatorBuilder* common() const; |
60 MachineOperatorBuilder* machine() const; | 57 MachineOperatorBuilder* machine() const; |
61 | 58 |
62 JSGraph* jsgraph_; | 59 JSGraph* jsgraph_; |
63 Linkage* linkage_; | 60 Linkage* linkage_; |
64 }; | 61 }; |
65 | 62 |
66 } // namespace compiler | 63 } // namespace compiler |
67 } // namespace internal | 64 } // namespace internal |
68 } // namespace v8 | 65 } // namespace v8 |
69 | 66 |
70 #endif // V8_COMPILER_CHANGE_LOWERING_H_ | 67 #endif // V8_COMPILER_CHANGE_LOWERING_H_ |
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