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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 void InsertRepresentationChanges(); | 262 void InsertRepresentationChanges(); |
263 void MarkDeoptimizeOnUndefined(); | 263 void MarkDeoptimizeOnUndefined(); |
264 void ComputeMinusZeroChecks(); | 264 void ComputeMinusZeroChecks(); |
265 void ComputeSafeUint32Operations(); | 265 void ComputeSafeUint32Operations(); |
266 bool ProcessArgumentsObject(); | 266 bool ProcessArgumentsObject(); |
267 void EliminateRedundantPhis(); | 267 void EliminateRedundantPhis(); |
268 void EliminateUnreachablePhis(); | 268 void EliminateUnreachablePhis(); |
269 void Canonicalize(); | 269 void Canonicalize(); |
270 void OrderBlocks(); | 270 void OrderBlocks(); |
271 void AssignDominators(); | 271 void AssignDominators(); |
272 void ReplaceCheckedValues(); | 272 void SetupInformativeDefinitions(); |
273 void EliminateRedundantBoundsChecks(); | 273 void EliminateRedundantBoundsChecks(); |
274 void DehoistSimpleArrayIndexComputations(); | 274 void DehoistSimpleArrayIndexComputations(); |
275 void DeadCodeElimination(); | 275 void DeadCodeElimination(); |
276 void RestoreActualValues(); | 276 void RestoreActualValues(); |
277 void PropagateDeoptimizingMark(); | 277 void PropagateDeoptimizingMark(); |
278 void EliminateUnusedInstructions(); | 278 void EliminateUnusedInstructions(); |
279 | 279 |
280 // Returns false if there are phi-uses of the arguments-object | 280 // Returns false if there are phi-uses of the arguments-object |
281 // which are not supported by the optimizing compiler. | 281 // which are not supported by the optimizing compiler. |
282 bool CheckArgumentsPhiUses(); | 282 bool CheckArgumentsPhiUses(); |
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391 void PropagateMinusZeroChecks(HValue* value, BitVector* visited); | 391 void PropagateMinusZeroChecks(HValue* value, BitVector* visited); |
392 void RecursivelyMarkPhiDeoptimizeOnUndefined(HPhi* phi); | 392 void RecursivelyMarkPhiDeoptimizeOnUndefined(HPhi* phi); |
393 void InsertRepresentationChangeForUse(HValue* value, | 393 void InsertRepresentationChangeForUse(HValue* value, |
394 HValue* use_value, | 394 HValue* use_value, |
395 int use_index, | 395 int use_index, |
396 Representation to); | 396 Representation to); |
397 void InsertRepresentationChangesForValue(HValue* value); | 397 void InsertRepresentationChangesForValue(HValue* value); |
398 void InferTypes(ZoneList<HValue*>* worklist); | 398 void InferTypes(ZoneList<HValue*>* worklist); |
399 void InitializeInferredTypes(int from_inclusive, int to_inclusive); | 399 void InitializeInferredTypes(int from_inclusive, int to_inclusive); |
400 void CheckForBackEdge(HBasicBlock* block, HBasicBlock* successor); | 400 void CheckForBackEdge(HBasicBlock* block, HBasicBlock* successor); |
| 401 void SetupInformativeDefinitionsInBlock(HBasicBlock* block); |
| 402 void SetupInformativeDefinitionsRecursively(HBasicBlock* block); |
401 void EliminateRedundantBoundsChecks(HBasicBlock* bb, BoundsCheckTable* table); | 403 void EliminateRedundantBoundsChecks(HBasicBlock* bb, BoundsCheckTable* table); |
402 | 404 |
403 Isolate* isolate_; | 405 Isolate* isolate_; |
404 int next_block_id_; | 406 int next_block_id_; |
405 HBasicBlock* entry_block_; | 407 HBasicBlock* entry_block_; |
406 HEnvironment* start_environment_; | 408 HEnvironment* start_environment_; |
407 ZoneList<HBasicBlock*> blocks_; | 409 ZoneList<HBasicBlock*> blocks_; |
408 ZoneList<HValue*> values_; | 410 ZoneList<HValue*> values_; |
409 ZoneList<HPhi*>* phi_list_; | 411 ZoneList<HPhi*>* phi_list_; |
410 ZoneList<HInstruction*>* uint32_instructions_; | 412 ZoneList<HInstruction*>* uint32_instructions_; |
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1577 const char* filename_; | 1579 const char* filename_; |
1578 HeapStringAllocator string_allocator_; | 1580 HeapStringAllocator string_allocator_; |
1579 StringStream trace_; | 1581 StringStream trace_; |
1580 int indent_; | 1582 int indent_; |
1581 }; | 1583 }; |
1582 | 1584 |
1583 | 1585 |
1584 } } // namespace v8::internal | 1586 } } // namespace v8::internal |
1585 | 1587 |
1586 #endif // V8_HYDROGEN_H_ | 1588 #endif // V8_HYDROGEN_H_ |
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