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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_SIMPLIFIED_LOWERING_H_ | 5 #ifndef V8_COMPILER_SIMPLIFIED_LOWERING_H_ |
6 #define V8_COMPILER_SIMPLIFIED_LOWERING_H_ | 6 #define V8_COMPILER_SIMPLIFIED_LOWERING_H_ |
7 | 7 |
8 #include "src/compiler/js-graph.h" | 8 #include "src/compiler/js-graph.h" |
9 #include "src/compiler/machine-operator.h" | 9 #include "src/compiler/machine-operator.h" |
10 #include "src/compiler/node.h" | 10 #include "src/compiler/node.h" |
11 #include "src/compiler/simplified-operator.h" | 11 #include "src/compiler/simplified-operator.h" |
12 | 12 |
13 namespace v8 { | 13 namespace v8 { |
14 namespace internal { | 14 namespace internal { |
15 | 15 |
16 // Forward declarations. | 16 // Forward declarations. |
17 class TypeCache; | 17 class TypeCache; |
18 | 18 |
19 | 19 |
20 namespace compiler { | 20 namespace compiler { |
21 | 21 |
22 // Forward declarations. | 22 // Forward declarations. |
23 class RepresentationChanger; | 23 class RepresentationChanger; |
| 24 class RepresentationSelector; |
24 class SourcePositionTable; | 25 class SourcePositionTable; |
25 | 26 |
26 class SimplifiedLowering final { | 27 class SimplifiedLowering final { |
27 public: | 28 public: |
28 SimplifiedLowering(JSGraph* jsgraph, Zone* zone, | 29 SimplifiedLowering(JSGraph* jsgraph, Zone* zone, |
29 SourcePositionTable* source_positions); | 30 SourcePositionTable* source_positions); |
30 ~SimplifiedLowering() {} | 31 ~SimplifiedLowering() {} |
31 | 32 |
32 void LowerAllNodes(); | 33 void LowerAllNodes(); |
33 | 34 |
| 35 void DoJSToNumberTruncatesToFloat64(Node* node, |
| 36 RepresentationSelector* selector); |
| 37 void DoJSToNumberTruncatesToWord32(Node* node, |
| 38 RepresentationSelector* selector); |
34 // TODO(turbofan): The representation can be removed once the result of the | 39 // TODO(turbofan): The representation can be removed once the result of the |
35 // representation analysis is stored in the node bounds. | 40 // representation analysis is stored in the node bounds. |
36 void DoLoadBuffer(Node* node, MachineRepresentation rep, | 41 void DoLoadBuffer(Node* node, MachineRepresentation rep, |
37 RepresentationChanger* changer); | 42 RepresentationChanger* changer); |
38 void DoStoreBuffer(Node* node); | 43 void DoStoreBuffer(Node* node); |
39 void DoShift(Node* node, Operator const* op, Type* rhs_type); | 44 void DoShift(Node* node, Operator const* op, Type* rhs_type); |
40 | 45 |
41 private: | 46 private: |
42 JSGraph* const jsgraph_; | 47 JSGraph* const jsgraph_; |
43 Zone* const zone_; | 48 Zone* const zone_; |
44 TypeCache const& type_cache_; | 49 TypeCache const& type_cache_; |
| 50 SetOncePointer<Node> to_number_code_; |
| 51 SetOncePointer<Operator const> to_number_operator_; |
45 | 52 |
46 // TODO(danno): SimplifiedLowering shouldn't know anything about the source | 53 // TODO(danno): SimplifiedLowering shouldn't know anything about the source |
47 // positions table, but must for now since there currently is no other way to | 54 // positions table, but must for now since there currently is no other way to |
48 // pass down source position information to nodes created during | 55 // pass down source position information to nodes created during |
49 // lowering. Once this phase becomes a vanilla reducer, it should get source | 56 // lowering. Once this phase becomes a vanilla reducer, it should get source |
50 // position information via the SourcePositionWrapper like all other reducers. | 57 // position information via the SourcePositionWrapper like all other reducers. |
51 SourcePositionTable* source_positions_; | 58 SourcePositionTable* source_positions_; |
52 | 59 |
53 Node* Float64Ceil(Node* const node); | 60 Node* Float64Ceil(Node* const node); |
54 Node* Float64Floor(Node* const node); | 61 Node* Float64Floor(Node* const node); |
55 Node* Float64Round(Node* const node); | 62 Node* Float64Round(Node* const node); |
56 Node* Float64Trunc(Node* const node); | 63 Node* Float64Trunc(Node* const node); |
57 Node* Int32Div(Node* const node); | 64 Node* Int32Div(Node* const node); |
58 Node* Int32Mod(Node* const node); | 65 Node* Int32Mod(Node* const node); |
59 Node* Uint32Div(Node* const node); | 66 Node* Uint32Div(Node* const node); |
60 Node* Uint32Mod(Node* const node); | 67 Node* Uint32Mod(Node* const node); |
61 | 68 |
| 69 Node* ToNumberCode(); |
| 70 Operator const* ToNumberOperator(); |
| 71 |
62 friend class RepresentationSelector; | 72 friend class RepresentationSelector; |
63 | 73 |
64 Isolate* isolate() { return jsgraph_->isolate(); } | 74 Isolate* isolate() { return jsgraph_->isolate(); } |
65 Zone* zone() { return jsgraph_->zone(); } | 75 Zone* zone() { return jsgraph_->zone(); } |
66 JSGraph* jsgraph() { return jsgraph_; } | 76 JSGraph* jsgraph() { return jsgraph_; } |
67 Graph* graph() { return jsgraph()->graph(); } | 77 Graph* graph() { return jsgraph()->graph(); } |
68 CommonOperatorBuilder* common() { return jsgraph()->common(); } | 78 CommonOperatorBuilder* common() { return jsgraph()->common(); } |
69 MachineOperatorBuilder* machine() { return jsgraph()->machine(); } | 79 MachineOperatorBuilder* machine() { return jsgraph()->machine(); } |
| 80 SimplifiedOperatorBuilder* simplified() { return jsgraph()->simplified(); } |
70 }; | 81 }; |
71 | 82 |
72 } // namespace compiler | 83 } // namespace compiler |
73 } // namespace internal | 84 } // namespace internal |
74 } // namespace v8 | 85 } // namespace v8 |
75 | 86 |
76 #endif // V8_COMPILER_SIMPLIFIED_LOWERING_H_ | 87 #endif // V8_COMPILER_SIMPLIFIED_LOWERING_H_ |
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