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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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262 bool ProcessArgumentsObject(); | 262 bool ProcessArgumentsObject(); |
263 void EliminateRedundantPhis(); | 263 void EliminateRedundantPhis(); |
264 void EliminateUnreachablePhis(); | 264 void EliminateUnreachablePhis(); |
265 void Canonicalize(); | 265 void Canonicalize(); |
266 void OrderBlocks(); | 266 void OrderBlocks(); |
267 void AssignDominators(); | 267 void AssignDominators(); |
268 void ReplaceCheckedValues(); | 268 void ReplaceCheckedValues(); |
269 void EliminateRedundantBoundsChecks(); | 269 void EliminateRedundantBoundsChecks(); |
270 void DehoistSimpleArrayIndexComputations(); | 270 void DehoistSimpleArrayIndexComputations(); |
271 void PropagateDeoptimizingMark(); | 271 void PropagateDeoptimizingMark(); |
| 272 void ReplaceWithRor(); |
| 273 |
272 | 274 |
273 // Returns false if there are phi-uses of the arguments-object | 275 // Returns false if there are phi-uses of the arguments-object |
274 // which are not supported by the optimizing compiler. | 276 // which are not supported by the optimizing compiler. |
275 bool CheckArgumentsPhiUses(); | 277 bool CheckArgumentsPhiUses(); |
276 | 278 |
277 // Returns false if there are phi-uses of an uninitialized const | 279 // Returns false if there are phi-uses of an uninitialized const |
278 // which are not supported by the optimizing compiler. | 280 // which are not supported by the optimizing compiler. |
279 bool CheckConstPhiUses(); | 281 bool CheckConstPhiUses(); |
280 | 282 |
281 void CollectPhis(); | 283 void CollectPhis(); |
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376 void RecursivelyMarkPhiDeoptimizeOnUndefined(HPhi* phi); | 378 void RecursivelyMarkPhiDeoptimizeOnUndefined(HPhi* phi); |
377 void InsertRepresentationChangeForUse(HValue* value, | 379 void InsertRepresentationChangeForUse(HValue* value, |
378 HValue* use_value, | 380 HValue* use_value, |
379 int use_index, | 381 int use_index, |
380 Representation to); | 382 Representation to); |
381 void InsertRepresentationChangesForValue(HValue* value); | 383 void InsertRepresentationChangesForValue(HValue* value); |
382 void InferTypes(ZoneList<HValue*>* worklist); | 384 void InferTypes(ZoneList<HValue*>* worklist); |
383 void InitializeInferredTypes(int from_inclusive, int to_inclusive); | 385 void InitializeInferredTypes(int from_inclusive, int to_inclusive); |
384 void CheckForBackEdge(HBasicBlock* block, HBasicBlock* successor); | 386 void CheckForBackEdge(HBasicBlock* block, HBasicBlock* successor); |
385 void EliminateRedundantBoundsChecks(HBasicBlock* bb, BoundsCheckTable* table); | 387 void EliminateRedundantBoundsChecks(HBasicBlock* bb, BoundsCheckTable* table); |
| 388 bool TryRotate(HInstruction* current); |
386 | 389 |
387 Isolate* isolate_; | 390 Isolate* isolate_; |
388 int next_block_id_; | 391 int next_block_id_; |
389 HBasicBlock* entry_block_; | 392 HBasicBlock* entry_block_; |
390 HEnvironment* start_environment_; | 393 HEnvironment* start_environment_; |
391 ZoneList<HBasicBlock*> blocks_; | 394 ZoneList<HBasicBlock*> blocks_; |
392 ZoneList<HValue*> values_; | 395 ZoneList<HValue*> values_; |
393 ZoneList<HPhi*>* phi_list_; | 396 ZoneList<HPhi*>* phi_list_; |
394 ZoneList<HInstruction*>* uint32_instructions_; | 397 ZoneList<HInstruction*>* uint32_instructions_; |
395 SetOncePointer<HConstant> undefined_constant_; | 398 SetOncePointer<HConstant> undefined_constant_; |
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1486 const char* filename_; | 1489 const char* filename_; |
1487 HeapStringAllocator string_allocator_; | 1490 HeapStringAllocator string_allocator_; |
1488 StringStream trace_; | 1491 StringStream trace_; |
1489 int indent_; | 1492 int indent_; |
1490 }; | 1493 }; |
1491 | 1494 |
1492 | 1495 |
1493 } } // namespace v8::internal | 1496 } } // namespace v8::internal |
1494 | 1497 |
1495 #endif // V8_HYDROGEN_H_ | 1498 #endif // V8_HYDROGEN_H_ |
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