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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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291 Isolate* isolate() const { return isolate_; } | 291 Isolate* isolate() const { return isolate_; } |
292 Zone* zone() const { return zone_; } | 292 Zone* zone() const { return zone_; } |
293 CompilationInfo* info() const { return info_; } | 293 CompilationInfo* info() const { return info_; } |
294 | 294 |
295 const ZoneList<HBasicBlock*>* blocks() const { return &blocks_; } | 295 const ZoneList<HBasicBlock*>* blocks() const { return &blocks_; } |
296 const ZoneList<HPhi*>* phi_list() const { return phi_list_; } | 296 const ZoneList<HPhi*>* phi_list() const { return phi_list_; } |
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 InsertTypeConversions(); | |
302 void MarkDeoptimizeOnUndefined(); | 301 void MarkDeoptimizeOnUndefined(); |
303 bool ProcessArgumentsObject(); | 302 bool ProcessArgumentsObject(); |
304 void OrderBlocks(); | 303 void OrderBlocks(); |
305 void AssignDominators(); | 304 void AssignDominators(); |
306 void SetupInformativeDefinitions(); | 305 void SetupInformativeDefinitions(); |
307 void DehoistSimpleArrayIndexComputations(); | |
308 void RestoreActualValues(); | 306 void RestoreActualValues(); |
309 void PropagateDeoptimizingMark(); | 307 void PropagateDeoptimizingMark(); |
310 void AnalyzeAndPruneEnvironmentLiveness(); | |
311 | 308 |
312 // Returns false if there are phi-uses of the arguments-object | 309 // Returns false if there are phi-uses of the arguments-object |
313 // which are not supported by the optimizing compiler. | 310 // which are not supported by the optimizing compiler. |
314 bool CheckArgumentsPhiUses(); | 311 bool CheckArgumentsPhiUses(); |
315 | 312 |
316 // Returns false if there are phi-uses of an uninitialized const | 313 // Returns false if there are phi-uses of an uninitialized const |
317 // which are not supported by the optimizing compiler. | 314 // which are not supported by the optimizing compiler. |
318 bool CheckConstPhiUses(); | 315 bool CheckConstPhiUses(); |
319 | 316 |
320 void CollectPhis(); | 317 void CollectPhis(); |
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445 int32_t integer_value); | 442 int32_t integer_value); |
446 | 443 |
447 template<class Phase> | 444 template<class Phase> |
448 void Run() { | 445 void Run() { |
449 Phase phase(this); | 446 Phase phase(this); |
450 phase.Run(); | 447 phase.Run(); |
451 } | 448 } |
452 | 449 |
453 void MarkAsDeoptimizingRecursively(HBasicBlock* block); | 450 void MarkAsDeoptimizingRecursively(HBasicBlock* block); |
454 void NullifyUnreachableInstructions(); | 451 void NullifyUnreachableInstructions(); |
455 void InsertTypeConversions(HInstruction* instr); | |
456 void RecursivelyMarkPhiDeoptimizeOnUndefined(HPhi* phi); | 452 void RecursivelyMarkPhiDeoptimizeOnUndefined(HPhi* phi); |
457 void CheckForBackEdge(HBasicBlock* block, HBasicBlock* successor); | 453 void CheckForBackEdge(HBasicBlock* block, HBasicBlock* successor); |
458 void SetupInformativeDefinitionsInBlock(HBasicBlock* block); | 454 void SetupInformativeDefinitionsInBlock(HBasicBlock* block); |
459 void SetupInformativeDefinitionsRecursively(HBasicBlock* block); | 455 void SetupInformativeDefinitionsRecursively(HBasicBlock* block); |
460 | 456 |
461 Isolate* isolate_; | 457 Isolate* isolate_; |
462 int next_block_id_; | 458 int next_block_id_; |
463 HBasicBlock* entry_block_; | 459 HBasicBlock* entry_block_; |
464 HEnvironment* start_environment_; | 460 HEnvironment* start_environment_; |
465 ZoneList<HBasicBlock*> blocks_; | 461 ZoneList<HBasicBlock*> blocks_; |
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2103 EmbeddedVector<char, 64> filename_; | 2099 EmbeddedVector<char, 64> filename_; |
2104 HeapStringAllocator string_allocator_; | 2100 HeapStringAllocator string_allocator_; |
2105 StringStream trace_; | 2101 StringStream trace_; |
2106 int indent_; | 2102 int indent_; |
2107 }; | 2103 }; |
2108 | 2104 |
2109 | 2105 |
2110 } } // namespace v8::internal | 2106 } } // namespace v8::internal |
2111 | 2107 |
2112 #endif // V8_HYDROGEN_H_ | 2108 #endif // V8_HYDROGEN_H_ |
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