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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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615 void SkipUninteresting() { | 615 void SkipUninteresting() { |
616 while (current_iterator_.env() != NULL && current_iterator_.Done()) { | 616 while (current_iterator_.env() != NULL && current_iterator_.Done()) { |
617 current_iterator_ = ShallowIterator(current_iterator_.env()->outer()); | 617 current_iterator_ = ShallowIterator(current_iterator_.env()->outer()); |
618 } | 618 } |
619 } | 619 } |
620 | 620 |
621 ShallowIterator current_iterator_; | 621 ShallowIterator current_iterator_; |
622 }; | 622 }; |
623 | 623 |
624 | 624 |
625 class LChunk; | 625 class LPlatformChunk; |
626 class LGap; | 626 class LGap; |
627 class LLabel; | 627 class LLabel; |
628 | 628 |
629 // Superclass providing data and behavior common to all the | 629 // Superclass providing data and behavior common to all the |
630 // arch-specific LChunk classes. | 630 // arch-specific LPlatformChunk classes. |
631 class LChunkBase: public ZoneObject { | 631 class LChunk: public ZoneObject { |
632 public: | 632 public: |
633 static LChunkBase* NewChunk(HGraph* graph); | 633 static LChunk* NewChunk(HGraph* graph); |
634 | 634 |
635 void AddInstruction(LInstruction* instruction, HBasicBlock* block); | 635 void AddInstruction(LInstruction* instruction, HBasicBlock* block); |
636 LConstantOperand* DefineConstantOperand(HConstant* constant); | 636 LConstantOperand* DefineConstantOperand(HConstant* constant); |
637 HConstant* LookupConstant(LConstantOperand* operand) const; | 637 HConstant* LookupConstant(LConstantOperand* operand) const; |
638 Representation LookupLiteralRepresentation(LConstantOperand* operand) const; | 638 Representation LookupLiteralRepresentation(LConstantOperand* operand) const; |
639 | 639 |
640 int ParameterAt(int index); | 640 int ParameterAt(int index); |
641 int GetParameterStackSlot(int index) const; | 641 int GetParameterStackSlot(int index) const; |
642 int spill_slot_count() const { return spill_slot_count_; } | 642 int spill_slot_count() const { return spill_slot_count_; } |
643 CompilationInfo* info() const { return info_; } | 643 CompilationInfo* info() const { return info_; } |
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659 | 659 |
660 void AddInlinedClosure(Handle<JSFunction> closure) { | 660 void AddInlinedClosure(Handle<JSFunction> closure) { |
661 inlined_closures_.Add(closure, zone()); | 661 inlined_closures_.Add(closure, zone()); |
662 } | 662 } |
663 | 663 |
664 Zone* zone() const { return info_->zone(); } | 664 Zone* zone() const { return info_->zone(); } |
665 | 665 |
666 Handle<Code> Codegen(); | 666 Handle<Code> Codegen(); |
667 | 667 |
668 protected: | 668 protected: |
669 LChunkBase(CompilationInfo* info, HGraph* graph) | 669 LChunk(CompilationInfo* info, HGraph* graph) |
670 : spill_slot_count_(0), | 670 : spill_slot_count_(0), |
671 info_(info), | 671 info_(info), |
672 graph_(graph), | 672 graph_(graph), |
673 instructions_(32, graph->zone()), | 673 instructions_(32, graph->zone()), |
674 pointer_maps_(8, graph->zone()), | 674 pointer_maps_(8, graph->zone()), |
675 inlined_closures_(1, graph->zone()) { } | 675 inlined_closures_(1, graph->zone()) { } |
676 | 676 |
677 int spill_slot_count_; | 677 int spill_slot_count_; |
678 | 678 |
679 private: | 679 private: |
680 CompilationInfo* info_; | 680 CompilationInfo* info_; |
681 HGraph* const graph_; | 681 HGraph* const graph_; |
682 ZoneList<LInstruction*> instructions_; | 682 ZoneList<LInstruction*> instructions_; |
683 ZoneList<LPointerMap*> pointer_maps_; | 683 ZoneList<LPointerMap*> pointer_maps_; |
684 ZoneList<Handle<JSFunction> > inlined_closures_; | 684 ZoneList<Handle<JSFunction> > inlined_closures_; |
685 }; | 685 }; |
686 | 686 |
687 | 687 |
688 int ElementsKindToShiftSize(ElementsKind elements_kind); | 688 int ElementsKindToShiftSize(ElementsKind elements_kind); |
689 | 689 |
690 | 690 |
691 } } // namespace v8::internal | 691 } } // namespace v8::internal |
692 | 692 |
693 #endif // V8_LITHIUM_H_ | 693 #endif // V8_LITHIUM_H_ |
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