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1 // Copyright 2012 the V8 project authors. All rights reserved. | 1 // Copyright 2012 the V8 project authors. All rights reserved. |
2 // Redistribution and use in source and binary forms, with or without | 2 // Redistribution and use in source and binary forms, with or without |
3 // modification, are permitted provided that the following conditions are | 3 // modification, are permitted provided that the following conditions are |
4 // met: | 4 // met: |
5 // | 5 // |
6 // * Redistributions of source code must retain the above copyright | 6 // * Redistributions of source code must retain the above copyright |
7 // notice, this list of conditions and the following disclaimer. | 7 // notice, this list of conditions and the following disclaimer. |
8 // * Redistributions in binary form must reproduce the above | 8 // * Redistributions in binary form must reproduce the above |
9 // copyright notice, this list of conditions and the following | 9 // copyright notice, this list of conditions and the following |
10 // disclaimer in the documentation and/or other materials provided | 10 // disclaimer in the documentation and/or other materials provided |
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126 V(InstanceOf) \ | 126 V(InstanceOf) \ |
127 V(InstanceOfKnownGlobal) \ | 127 V(InstanceOfKnownGlobal) \ |
128 V(InvokeFunction) \ | 128 V(InvokeFunction) \ |
129 V(IsConstructCallAndBranch) \ | 129 V(IsConstructCallAndBranch) \ |
130 V(IsObjectAndBranch) \ | 130 V(IsObjectAndBranch) \ |
131 V(IsStringAndBranch) \ | 131 V(IsStringAndBranch) \ |
132 V(IsSmiAndBranch) \ | 132 V(IsSmiAndBranch) \ |
133 V(IsUndetectableAndBranch) \ | 133 V(IsUndetectableAndBranch) \ |
134 V(LeaveInlined) \ | 134 V(LeaveInlined) \ |
135 V(LoadContextSlot) \ | 135 V(LoadContextSlot) \ |
136 V(LoadExternalArrayPointer) \ | |
137 V(LoadFieldByIndex) \ | 136 V(LoadFieldByIndex) \ |
138 V(LoadFunctionPrototype) \ | 137 V(LoadFunctionPrototype) \ |
139 V(LoadGlobalCell) \ | 138 V(LoadGlobalCell) \ |
140 V(LoadGlobalGeneric) \ | 139 V(LoadGlobalGeneric) \ |
141 V(LoadKeyed) \ | 140 V(LoadKeyed) \ |
142 V(LoadKeyedGeneric) \ | 141 V(LoadKeyedGeneric) \ |
143 V(LoadNamedField) \ | 142 V(LoadNamedField) \ |
144 V(LoadNamedGeneric) \ | 143 V(LoadNamedGeneric) \ |
145 V(LoadRoot) \ | 144 V(LoadRoot) \ |
146 V(MapEnumLength) \ | 145 V(MapEnumLength) \ |
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2729 // corresponding HStoreRoot instruction. | 2728 // corresponding HStoreRoot instruction. |
2730 SetGVNFlag(kDependsOnCalls); | 2729 SetGVNFlag(kDependsOnCalls); |
2731 } | 2730 } |
2732 | 2731 |
2733 virtual bool IsDeletable() const V8_OVERRIDE { return true; } | 2732 virtual bool IsDeletable() const V8_OVERRIDE { return true; } |
2734 | 2733 |
2735 const Heap::RootListIndex index_; | 2734 const Heap::RootListIndex index_; |
2736 }; | 2735 }; |
2737 | 2736 |
2738 | 2737 |
2739 class HLoadExternalArrayPointer V8_FINAL : public HUnaryOperation { | |
2740 public: | |
2741 DECLARE_INSTRUCTION_FACTORY_P1(HLoadExternalArrayPointer, HValue*); | |
2742 | |
2743 virtual Representation RequiredInputRepresentation(int index) V8_OVERRIDE { | |
2744 return Representation::Tagged(); | |
2745 } | |
2746 | |
2747 virtual HType CalculateInferredType() V8_OVERRIDE { | |
2748 return HType::None(); | |
2749 } | |
2750 | |
2751 DECLARE_CONCRETE_INSTRUCTION(LoadExternalArrayPointer) | |
2752 | |
2753 protected: | |
2754 virtual bool DataEquals(HValue* other) V8_OVERRIDE { return true; } | |
2755 | |
2756 private: | |
2757 explicit HLoadExternalArrayPointer(HValue* value) | |
2758 : HUnaryOperation(value) { | |
2759 set_representation(Representation::External()); | |
2760 // The result of this instruction is idempotent as long as its inputs don't | |
2761 // change. The external array of a specialized array elements object cannot | |
2762 // change once set, so it's no necessary to introduce any additional | |
2763 // dependencies on top of the inputs. | |
2764 SetFlag(kUseGVN); | |
2765 } | |
2766 | |
2767 virtual bool IsDeletable() const V8_OVERRIDE { return true; } | |
2768 }; | |
2769 | |
2770 | |
2771 class HCheckMaps V8_FINAL : public HTemplateInstruction<2> { | 2738 class HCheckMaps V8_FINAL : public HTemplateInstruction<2> { |
2772 public: | 2739 public: |
2773 static HCheckMaps* New(Zone* zone, HValue* context, HValue* value, | 2740 static HCheckMaps* New(Zone* zone, HValue* context, HValue* value, |
2774 Handle<Map> map, CompilationInfo* info, | 2741 Handle<Map> map, CompilationInfo* info, |
2775 HValue *typecheck = NULL); | 2742 HValue *typecheck = NULL); |
2776 static HCheckMaps* New(Zone* zone, HValue* context, | 2743 static HCheckMaps* New(Zone* zone, HValue* context, |
2777 HValue* value, SmallMapList* maps, | 2744 HValue* value, SmallMapList* maps, |
2778 HValue *typecheck = NULL) { | 2745 HValue *typecheck = NULL) { |
2779 HCheckMaps* check_map = new(zone) HCheckMaps(value, zone, typecheck); | 2746 HCheckMaps* check_map = new(zone) HCheckMaps(value, zone, typecheck); |
2780 for (int i = 0; i < maps->length(); i++) { | 2747 for (int i = 0; i < maps->length(); i++) { |
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7542 virtual bool IsDeletable() const V8_OVERRIDE { return true; } | 7509 virtual bool IsDeletable() const V8_OVERRIDE { return true; } |
7543 }; | 7510 }; |
7544 | 7511 |
7545 | 7512 |
7546 #undef DECLARE_INSTRUCTION | 7513 #undef DECLARE_INSTRUCTION |
7547 #undef DECLARE_CONCRETE_INSTRUCTION | 7514 #undef DECLARE_CONCRETE_INSTRUCTION |
7548 | 7515 |
7549 } } // namespace v8::internal | 7516 } } // namespace v8::internal |
7550 | 7517 |
7551 #endif // V8_HYDROGEN_INSTRUCTIONS_H_ | 7518 #endif // V8_HYDROGEN_INSTRUCTIONS_H_ |
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