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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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4028 virtual void PrintDataTo(StringStream* stream) V8_OVERRIDE; | 4028 virtual void PrintDataTo(StringStream* stream) V8_OVERRIDE; |
4029 | 4029 |
4030 DECLARE_CONCRETE_INSTRUCTION(CompareNumericAndBranch) | 4030 DECLARE_CONCRETE_INSTRUCTION(CompareNumericAndBranch) |
4031 | 4031 |
4032 private: | 4032 private: |
4033 Representation observed_input_representation_[2]; | 4033 Representation observed_input_representation_[2]; |
4034 Token::Value token_; | 4034 Token::Value token_; |
4035 }; | 4035 }; |
4036 | 4036 |
4037 | 4037 |
4038 class HCompareHoleAndBranch V8_FINAL | 4038 class HCompareHoleAndBranch V8_FINAL : public HUnaryControlInstruction { |
4039 : public HTemplateControlInstruction<2, 1> { | |
4040 public: | 4039 public: |
4041 // TODO(danno): make this private when the IfBuilder properly constructs | 4040 // TODO(danno): make this private when the IfBuilder properly constructs |
4042 // control flow instructions. | 4041 // control flow instructions. |
4043 explicit HCompareHoleAndBranch(HValue* object) { | 4042 HCompareHoleAndBranch(HValue* value, |
| 4043 HBasicBlock* true_target = NULL, |
| 4044 HBasicBlock* false_target = NULL) |
| 4045 : HUnaryControlInstruction(value, true_target, false_target) { |
4044 SetFlag(kFlexibleRepresentation); | 4046 SetFlag(kFlexibleRepresentation); |
4045 SetFlag(kAllowUndefinedAsNaN); | 4047 SetFlag(kAllowUndefinedAsNaN); |
4046 SetOperandAt(0, object); | |
4047 } | 4048 } |
4048 | 4049 |
4049 DECLARE_INSTRUCTION_FACTORY_P1(HCompareHoleAndBranch, HValue*); | 4050 DECLARE_INSTRUCTION_FACTORY_P1(HCompareHoleAndBranch, HValue*); |
4050 | 4051 DECLARE_INSTRUCTION_FACTORY_P3(HCompareHoleAndBranch, HValue*, |
4051 HValue* object() { return OperandAt(0); } | 4052 HBasicBlock*, HBasicBlock*); |
4052 | 4053 |
4053 virtual void InferRepresentation( | 4054 virtual void InferRepresentation( |
4054 HInferRepresentationPhase* h_infer) V8_OVERRIDE; | 4055 HInferRepresentationPhase* h_infer) V8_OVERRIDE; |
4055 | 4056 |
4056 virtual Representation RequiredInputRepresentation(int index) V8_OVERRIDE { | 4057 virtual Representation RequiredInputRepresentation(int index) V8_OVERRIDE { |
4057 return representation(); | 4058 return representation(); |
4058 } | 4059 } |
4059 | 4060 |
4060 virtual void PrintDataTo(StringStream* stream) V8_OVERRIDE; | |
4061 | |
4062 DECLARE_CONCRETE_INSTRUCTION(CompareHoleAndBranch) | 4061 DECLARE_CONCRETE_INSTRUCTION(CompareHoleAndBranch) |
4063 }; | 4062 }; |
4064 | 4063 |
4065 | 4064 |
4066 class HCompareObjectEqAndBranch : public HTemplateControlInstruction<2, 2> { | 4065 class HCompareObjectEqAndBranch : public HTemplateControlInstruction<2, 2> { |
4067 public: | 4066 public: |
4068 // TODO(danno): make this private when the IfBuilder properly constructs | 4067 // TODO(danno): make this private when the IfBuilder properly constructs |
4069 // control flow instructions. | 4068 // control flow instructions. |
4070 HCompareObjectEqAndBranch(HValue* left, | 4069 HCompareObjectEqAndBranch(HValue* left, |
4071 HValue* right) { | 4070 HValue* right) { |
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6959 virtual bool IsDeletable() const V8_OVERRIDE { return true; } | 6958 virtual bool IsDeletable() const V8_OVERRIDE { return true; } |
6960 }; | 6959 }; |
6961 | 6960 |
6962 | 6961 |
6963 #undef DECLARE_INSTRUCTION | 6962 #undef DECLARE_INSTRUCTION |
6964 #undef DECLARE_CONCRETE_INSTRUCTION | 6963 #undef DECLARE_CONCRETE_INSTRUCTION |
6965 | 6964 |
6966 } } // namespace v8::internal | 6965 } } // namespace v8::internal |
6967 | 6966 |
6968 #endif // V8_HYDROGEN_INSTRUCTIONS_H_ | 6967 #endif // V8_HYDROGEN_INSTRUCTIONS_H_ |
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