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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_JS_TYPED_LOWERING_H_ | 5 #ifndef V8_COMPILER_JS_TYPED_LOWERING_H_ |
6 #define V8_COMPILER_JS_TYPED_LOWERING_H_ | 6 #define V8_COMPILER_JS_TYPED_LOWERING_H_ |
7 | 7 |
8 #include "src/compiler/graph-reducer.h" | 8 #include "src/compiler/graph-reducer.h" |
9 #include "src/compiler/js-graph.h" | 9 #include "src/compiler/js-graph.h" |
10 #include "src/compiler/machine-operator.h" | 10 #include "src/compiler/machine-operator.h" |
11 #include "src/compiler/node.h" | 11 #include "src/compiler/node.h" |
12 #include "src/compiler/simplified-operator.h" | 12 #include "src/compiler/simplified-operator.h" |
13 | 13 |
14 namespace v8 { | 14 namespace v8 { |
15 namespace internal { | 15 namespace internal { |
16 namespace compiler { | 16 namespace compiler { |
17 | 17 |
18 // Lowers JS-level operators to simplified operators based on types. | 18 // Lowers JS-level operators to simplified operators based on types. |
19 class JSTypedLowering FINAL : public Reducer { | 19 class JSTypedLowering FINAL : public Reducer { |
20 public: | 20 public: |
21 explicit JSTypedLowering(JSGraph* jsgraph); | 21 explicit JSTypedLowering(JSGraph* jsgraph); |
22 virtual ~JSTypedLowering(); | 22 ~JSTypedLowering() {} |
23 | 23 |
24 virtual Reduction Reduce(Node* node) OVERRIDE; | 24 Reduction Reduce(Node* node) OVERRIDE; |
25 | 25 |
26 JSGraph* jsgraph() { return jsgraph_; } | 26 JSGraph* jsgraph() { return jsgraph_; } |
27 Graph* graph() { return jsgraph_->graph(); } | 27 Graph* graph() { return jsgraph_->graph(); } |
28 Zone* zone() { return jsgraph_->zone(); } | 28 Zone* zone() { return jsgraph_->zone(); } |
29 | 29 |
30 private: | 30 private: |
31 friend class JSBinopReduction; | 31 friend class JSBinopReduction; |
32 | 32 |
33 Reduction ReplaceEagerly(Node* old, Node* node); | 33 Reduction ReplaceEagerly(Node* old, Node* node); |
34 Reduction ReplaceWith(Node* node) { return Reducer::Replace(node); } | 34 Reduction ReplaceWith(Node* node) { return Reducer::Replace(node); } |
35 Reduction ReduceJSAdd(Node* node); | 35 Reduction ReduceJSAdd(Node* node); |
36 Reduction ReduceJSBitwiseOr(Node* node); | 36 Reduction ReduceJSBitwiseOr(Node* node); |
37 Reduction ReduceJSMultiply(Node* node); | 37 Reduction ReduceJSMultiply(Node* node); |
38 Reduction ReduceJSComparison(Node* node); | 38 Reduction ReduceJSComparison(Node* node); |
39 Reduction ReduceJSLoadProperty(Node* node); | 39 Reduction ReduceJSLoadProperty(Node* node); |
40 Reduction ReduceJSStoreProperty(Node* node); | 40 Reduction ReduceJSStoreProperty(Node* node); |
41 Reduction ReduceJSEqual(Node* node, bool invert); | 41 Reduction ReduceJSEqual(Node* node, bool invert); |
42 Reduction ReduceJSStrictEqual(Node* node, bool invert); | 42 Reduction ReduceJSStrictEqual(Node* node, bool invert); |
43 Reduction ReduceJSToNumberInput(Node* input); | 43 Reduction ReduceJSToNumberInput(Node* input); |
44 Reduction ReduceJSToNumber(Node* node); | 44 Reduction ReduceJSToNumber(Node* node); |
45 Reduction ReduceJSToStringInput(Node* input); | 45 Reduction ReduceJSToStringInput(Node* input); |
46 Reduction ReduceJSToBooleanInput(Node* input); | 46 Reduction ReduceJSToBooleanInput(Node* input); |
47 Reduction ReduceJSToBoolean(Node* node); | 47 Reduction ReduceJSToBoolean(Node* node); |
48 Reduction ReduceNumberBinop(Node* node, const Operator* numberOp); | 48 Reduction ReduceNumberBinop(Node* node, const Operator* numberOp); |
49 Reduction ReduceI32Binop(Node* node, bool left_signed, bool right_signed, | 49 Reduction ReduceI32Binop(Node* node, bool left_signed, bool right_signed, |
50 const Operator* intOp); | 50 const Operator* intOp); |
51 Reduction ReduceI32Shift(Node* node, bool left_signed, | 51 Reduction ReduceI32Shift(Node* node, bool left_signed, |
52 const Operator* shift_op); | 52 const Operator* shift_op); |
53 | 53 |
| 54 Node* Word32Shl(Node* const lhs, int32_t const rhs); |
| 55 |
54 JSOperatorBuilder* javascript() { return jsgraph_->javascript(); } | 56 JSOperatorBuilder* javascript() { return jsgraph_->javascript(); } |
55 CommonOperatorBuilder* common() { return jsgraph_->common(); } | 57 CommonOperatorBuilder* common() { return jsgraph_->common(); } |
56 SimplifiedOperatorBuilder* simplified() { return &simplified_; } | 58 SimplifiedOperatorBuilder* simplified() { return &simplified_; } |
57 MachineOperatorBuilder* machine() { return jsgraph_->machine(); } | 59 MachineOperatorBuilder* machine() { return jsgraph_->machine(); } |
58 | 60 |
59 JSGraph* jsgraph_; | 61 JSGraph* jsgraph_; |
60 SimplifiedOperatorBuilder simplified_; | 62 SimplifiedOperatorBuilder simplified_; |
61 Type* zero_range_; | 63 Type* zero_range_; |
62 Type* one_range_; | 64 Type* one_range_; |
63 Type* zero_thirtyone_range_; | 65 Type* zero_thirtyone_range_; |
| 66 Type* shifted_int32_ranges_[4]; |
64 }; | 67 }; |
65 | 68 |
66 } // namespace compiler | 69 } // namespace compiler |
67 } // namespace internal | 70 } // namespace internal |
68 } // namespace v8 | 71 } // namespace v8 |
69 | 72 |
70 #endif // V8_COMPILER_JS_TYPED_LOWERING_H_ | 73 #endif // V8_COMPILER_JS_TYPED_LOWERING_H_ |
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