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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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4709 }; | 4709 }; |
4710 | 4710 |
4711 | 4711 |
4712 class HStringAdd: public HBinaryOperation { | 4712 class HStringAdd: public HBinaryOperation { |
4713 public: | 4713 public: |
4714 HStringAdd(HValue* context, HValue* left, HValue* right) | 4714 HStringAdd(HValue* context, HValue* left, HValue* right) |
4715 : HBinaryOperation(context, left, right) { | 4715 : HBinaryOperation(context, left, right) { |
4716 set_representation(Representation::Tagged()); | 4716 set_representation(Representation::Tagged()); |
4717 SetFlag(kUseGVN); | 4717 SetFlag(kUseGVN); |
4718 SetGVNFlag(kDependsOnMaps); | 4718 SetGVNFlag(kDependsOnMaps); |
| 4719 SetGVNFlag(kChangesNewSpacePromotion); |
4719 } | 4720 } |
4720 | 4721 |
4721 virtual Representation RequiredInputRepresentation(int index) { | 4722 virtual Representation RequiredInputRepresentation(int index) { |
4722 return Representation::Tagged(); | 4723 return Representation::Tagged(); |
4723 } | 4724 } |
4724 | 4725 |
4725 virtual HType CalculateInferredType() { | 4726 virtual HType CalculateInferredType() { |
4726 return HType::String(); | 4727 return HType::String(); |
4727 } | 4728 } |
4728 | 4729 |
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5289 DECLARE_CONCRETE_INSTRUCTION(LoadFieldByIndex); | 5290 DECLARE_CONCRETE_INSTRUCTION(LoadFieldByIndex); |
5290 }; | 5291 }; |
5291 | 5292 |
5292 | 5293 |
5293 #undef DECLARE_INSTRUCTION | 5294 #undef DECLARE_INSTRUCTION |
5294 #undef DECLARE_CONCRETE_INSTRUCTION | 5295 #undef DECLARE_CONCRETE_INSTRUCTION |
5295 | 5296 |
5296 } } // namespace v8::internal | 5297 } } // namespace v8::internal |
5297 | 5298 |
5298 #endif // V8_HYDROGEN_INSTRUCTIONS_H_ | 5299 #endif // V8_HYDROGEN_INSTRUCTIONS_H_ |
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