OLD | NEW |
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 |
(...skipping 408 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
419 ast_id_(ast_id), | 419 ast_id_(ast_id), |
420 translation_size_(value_count), | 420 translation_size_(value_count), |
421 parameter_count_(parameter_count), | 421 parameter_count_(parameter_count), |
422 pc_offset_(-1), | 422 pc_offset_(-1), |
423 values_(value_count, zone), | 423 values_(value_count, zone), |
424 is_tagged_(value_count, zone), | 424 is_tagged_(value_count, zone), |
425 is_uint32_(value_count, zone), | 425 is_uint32_(value_count, zone), |
426 object_mapping_(0, zone), | 426 object_mapping_(0, zone), |
427 outer_(outer), | 427 outer_(outer), |
428 entry_(entry), | 428 entry_(entry), |
429 zone_(zone) { } | 429 zone_(zone), |
| 430 has_been_used_(false) { } |
430 | 431 |
431 Handle<JSFunction> closure() const { return closure_; } | 432 Handle<JSFunction> closure() const { return closure_; } |
432 FrameType frame_type() const { return frame_type_; } | 433 FrameType frame_type() const { return frame_type_; } |
433 int arguments_stack_height() const { return arguments_stack_height_; } | 434 int arguments_stack_height() const { return arguments_stack_height_; } |
434 int deoptimization_index() const { return deoptimization_index_; } | 435 int deoptimization_index() const { return deoptimization_index_; } |
435 int translation_index() const { return translation_index_; } | 436 int translation_index() const { return translation_index_; } |
436 BailoutId ast_id() const { return ast_id_; } | 437 BailoutId ast_id() const { return ast_id_; } |
437 int translation_size() const { return translation_size_; } | 438 int translation_size() const { return translation_size_; } |
438 int parameter_count() const { return parameter_count_; } | 439 int parameter_count() const { return parameter_count_; } |
439 int pc_offset() const { return pc_offset_; } | 440 int pc_offset() const { return pc_offset_; } |
440 const ZoneList<LOperand*>* values() const { return &values_; } | 441 const ZoneList<LOperand*>* values() const { return &values_; } |
441 LEnvironment* outer() const { return outer_; } | 442 LEnvironment* outer() const { return outer_; } |
442 HEnterInlined* entry() { return entry_; } | 443 HEnterInlined* entry() { return entry_; } |
443 Zone* zone() const { return zone_; } | 444 Zone* zone() const { return zone_; } |
444 | 445 |
| 446 bool has_been_used() const { return has_been_used_; } |
| 447 void set_has_been_used() { has_been_used_ = true; } |
| 448 |
445 void AddValue(LOperand* operand, | 449 void AddValue(LOperand* operand, |
446 Representation representation, | 450 Representation representation, |
447 bool is_uint32) { | 451 bool is_uint32) { |
448 values_.Add(operand, zone()); | 452 values_.Add(operand, zone()); |
449 if (representation.IsSmiOrTagged()) { | 453 if (representation.IsSmiOrTagged()) { |
450 ASSERT(!is_uint32); | 454 ASSERT(!is_uint32); |
451 is_tagged_.Add(values_.length() - 1, zone()); | 455 is_tagged_.Add(values_.length() - 1, zone()); |
452 } | 456 } |
453 | 457 |
454 if (is_uint32) { | 458 if (is_uint32) { |
(...skipping 79 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
534 ZoneList<LOperand*> values_; | 538 ZoneList<LOperand*> values_; |
535 GrowableBitVector is_tagged_; | 539 GrowableBitVector is_tagged_; |
536 GrowableBitVector is_uint32_; | 540 GrowableBitVector is_uint32_; |
537 | 541 |
538 // Map with encoded information about materialization_marker operands. | 542 // Map with encoded information about materialization_marker operands. |
539 ZoneList<uint32_t> object_mapping_; | 543 ZoneList<uint32_t> object_mapping_; |
540 | 544 |
541 LEnvironment* outer_; | 545 LEnvironment* outer_; |
542 HEnterInlined* entry_; | 546 HEnterInlined* entry_; |
543 Zone* zone_; | 547 Zone* zone_; |
| 548 bool has_been_used_; |
544 }; | 549 }; |
545 | 550 |
546 | 551 |
547 // Iterates over the non-null, non-constant operands in an environment. | 552 // Iterates over the non-null, non-constant operands in an environment. |
548 class ShallowIterator V8_FINAL BASE_EMBEDDED { | 553 class ShallowIterator V8_FINAL BASE_EMBEDDED { |
549 public: | 554 public: |
550 explicit ShallowIterator(LEnvironment* env) | 555 explicit ShallowIterator(LEnvironment* env) |
551 : env_(env), | 556 : env_(env), |
552 limit_(env != NULL ? env->values()->length() : 0), | 557 limit_(env != NULL ? env->values()->length() : 0), |
553 current_(0) { | 558 current_(0) { |
(...skipping 177 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
731 private: | 736 private: |
732 LChunk* chunk_; | 737 LChunk* chunk_; |
733 | 738 |
734 DISALLOW_COPY_AND_ASSIGN(LPhase); | 739 DISALLOW_COPY_AND_ASSIGN(LPhase); |
735 }; | 740 }; |
736 | 741 |
737 | 742 |
738 } } // namespace v8::internal | 743 } } // namespace v8::internal |
739 | 744 |
740 #endif // V8_LITHIUM_H_ | 745 #endif // V8_LITHIUM_H_ |
OLD | NEW |