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1 // Copyright 2011 the V8 project authors. All rights reserved. | 1 // Copyright 2011 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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1340 } | 1340 } |
1341 | 1341 |
1342 HValue* argument() { return OperandAt(0); } | 1342 HValue* argument() { return OperandAt(0); } |
1343 | 1343 |
1344 DECLARE_CONCRETE_INSTRUCTION(PushArgument) | 1344 DECLARE_CONCRETE_INSTRUCTION(PushArgument) |
1345 }; | 1345 }; |
1346 | 1346 |
1347 | 1347 |
1348 class HThisFunction: public HTemplateInstruction<0> { | 1348 class HThisFunction: public HTemplateInstruction<0> { |
1349 public: | 1349 public: |
1350 HThisFunction() { | 1350 explicit HThisFunction(Handle<JSFunction> closure) : closure_(closure) { |
1351 set_representation(Representation::Tagged()); | 1351 set_representation(Representation::Tagged()); |
1352 SetFlag(kUseGVN); | 1352 SetFlag(kUseGVN); |
1353 } | 1353 } |
1354 | 1354 |
1355 virtual Representation RequiredInputRepresentation(int index) { | 1355 virtual Representation RequiredInputRepresentation(int index) { |
1356 return Representation::None(); | 1356 return Representation::None(); |
1357 } | 1357 } |
1358 | 1358 |
| 1359 Handle<JSFunction> closure() const { return closure_; } |
| 1360 |
1359 DECLARE_CONCRETE_INSTRUCTION(ThisFunction) | 1361 DECLARE_CONCRETE_INSTRUCTION(ThisFunction) |
1360 | 1362 |
1361 protected: | 1363 protected: |
1362 virtual bool DataEquals(HValue* other) { return true; } | 1364 virtual bool DataEquals(HValue* other) { |
| 1365 HThisFunction* b = HThisFunction::cast(other); |
| 1366 return *closure() == *b->closure(); |
| 1367 } |
| 1368 |
| 1369 private: |
| 1370 Handle<JSFunction> closure_; |
1363 }; | 1371 }; |
1364 | 1372 |
1365 | 1373 |
1366 class HContext: public HTemplateInstruction<0> { | 1374 class HContext: public HTemplateInstruction<0> { |
1367 public: | 1375 public: |
1368 HContext() { | 1376 HContext() { |
1369 set_representation(Representation::Tagged()); | 1377 set_representation(Representation::Tagged()); |
1370 SetFlag(kUseGVN); | 1378 SetFlag(kUseGVN); |
1371 } | 1379 } |
1372 | 1380 |
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4248 | 4256 |
4249 DECLARE_CONCRETE_INSTRUCTION(In) | 4257 DECLARE_CONCRETE_INSTRUCTION(In) |
4250 }; | 4258 }; |
4251 | 4259 |
4252 #undef DECLARE_INSTRUCTION | 4260 #undef DECLARE_INSTRUCTION |
4253 #undef DECLARE_CONCRETE_INSTRUCTION | 4261 #undef DECLARE_CONCRETE_INSTRUCTION |
4254 | 4262 |
4255 } } // namespace v8::internal | 4263 } } // namespace v8::internal |
4256 | 4264 |
4257 #endif // V8_HYDROGEN_INSTRUCTIONS_H_ | 4265 #endif // V8_HYDROGEN_INSTRUCTIONS_H_ |
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