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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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297 HBasicBlock* entry_block() const { return entry_block_; } | 297 HBasicBlock* entry_block() const { return entry_block_; } |
298 HEnvironment* start_environment() const { return start_environment_; } | 298 HEnvironment* start_environment() const { return start_environment_; } |
299 | 299 |
300 void FinalizeUniqueValueIds(); | 300 void FinalizeUniqueValueIds(); |
301 void MarkDeoptimizeOnUndefined(); | 301 void MarkDeoptimizeOnUndefined(); |
302 bool ProcessArgumentsObject(); | 302 bool ProcessArgumentsObject(); |
303 void OrderBlocks(); | 303 void OrderBlocks(); |
304 void AssignDominators(); | 304 void AssignDominators(); |
305 void SetupInformativeDefinitions(); | 305 void SetupInformativeDefinitions(); |
306 void RestoreActualValues(); | 306 void RestoreActualValues(); |
307 void PropagateDeoptimizingMark(); | |
308 | 307 |
309 // Returns false if there are phi-uses of the arguments-object | 308 // Returns false if there are phi-uses of the arguments-object |
310 // which are not supported by the optimizing compiler. | 309 // which are not supported by the optimizing compiler. |
311 bool CheckArgumentsPhiUses(); | 310 bool CheckArgumentsPhiUses(); |
312 | 311 |
313 // Returns false if there are phi-uses of an uninitialized const | 312 // Returns false if there are phi-uses of an uninitialized const |
314 // which are not supported by the optimizing compiler. | 313 // which are not supported by the optimizing compiler. |
315 bool CheckConstPhiUses(); | 314 bool CheckConstPhiUses(); |
316 | 315 |
317 void CollectPhis(); | 316 void CollectPhis(); |
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440 private: | 439 private: |
441 HConstant* GetConstant(SetOncePointer<HConstant>* pointer, | 440 HConstant* GetConstant(SetOncePointer<HConstant>* pointer, |
442 int32_t integer_value); | 441 int32_t integer_value); |
443 | 442 |
444 template<class Phase> | 443 template<class Phase> |
445 void Run() { | 444 void Run() { |
446 Phase phase(this); | 445 Phase phase(this); |
447 phase.Run(); | 446 phase.Run(); |
448 } | 447 } |
449 | 448 |
450 void MarkAsDeoptimizingRecursively(HBasicBlock* block); | |
451 void NullifyUnreachableInstructions(); | |
452 void RecursivelyMarkPhiDeoptimizeOnUndefined(HPhi* phi); | 449 void RecursivelyMarkPhiDeoptimizeOnUndefined(HPhi* phi); |
453 void CheckForBackEdge(HBasicBlock* block, HBasicBlock* successor); | 450 void CheckForBackEdge(HBasicBlock* block, HBasicBlock* successor); |
454 void SetupInformativeDefinitionsInBlock(HBasicBlock* block); | 451 void SetupInformativeDefinitionsInBlock(HBasicBlock* block); |
455 void SetupInformativeDefinitionsRecursively(HBasicBlock* block); | 452 void SetupInformativeDefinitionsRecursively(HBasicBlock* block); |
456 | 453 |
457 Isolate* isolate_; | 454 Isolate* isolate_; |
458 int next_block_id_; | 455 int next_block_id_; |
459 HBasicBlock* entry_block_; | 456 HBasicBlock* entry_block_; |
460 HEnvironment* start_environment_; | 457 HEnvironment* start_environment_; |
461 ZoneList<HBasicBlock*> blocks_; | 458 ZoneList<HBasicBlock*> blocks_; |
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2099 EmbeddedVector<char, 64> filename_; | 2096 EmbeddedVector<char, 64> filename_; |
2100 HeapStringAllocator string_allocator_; | 2097 HeapStringAllocator string_allocator_; |
2101 StringStream trace_; | 2098 StringStream trace_; |
2102 int indent_; | 2099 int indent_; |
2103 }; | 2100 }; |
2104 | 2101 |
2105 | 2102 |
2106 } } // namespace v8::internal | 2103 } } // namespace v8::internal |
2107 | 2104 |
2108 #endif // V8_HYDROGEN_H_ | 2105 #endif // V8_HYDROGEN_H_ |
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