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Issue 10700115: Break Crankshaft into phases. (Closed) Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge
Patch Set: Created 8 years, 5 months ago
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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 LGap; 626 class LGap;
626 class LLabel; 627 class LLabel;
627 628
628 // Superclass providing data and behavior common to all the 629 // Superclass providing data and behavior common to all the
629 // arch-specific LChunk classes. 630 // arch-specific LChunk classes.
630 class LChunkBase: public ZoneObject { 631 class LChunkBase: public ZoneObject {
631 public: 632 public:
632 LChunkBase(CompilationInfo* info, HGraph* graph) 633 LChunkBase(CompilationInfo* info, HGraph* graph)
633 : spill_slot_count_(0), 634 : spill_slot_count_(0),
634 info_(info), 635 info_(info),
635 graph_(graph), 636 graph_(graph),
636 instructions_(32, graph->zone()), 637 instructions_(32, graph->zone()),
637 pointer_maps_(8, graph->zone()), 638 pointer_maps_(8, graph->zone()),
638 inlined_closures_(1, graph->zone()) { } 639 inlined_closures_(1, graph->zone()) { }
639 640
641 static LChunk* NewChunk(HGraph* graph);
642
640 void AddInstruction(LInstruction* instruction, HBasicBlock* block); 643 void AddInstruction(LInstruction* instruction, HBasicBlock* block);
641 LConstantOperand* DefineConstantOperand(HConstant* constant); 644 LConstantOperand* DefineConstantOperand(HConstant* constant);
642 HConstant* LookupConstant(LConstantOperand* operand) const; 645 HConstant* LookupConstant(LConstantOperand* operand) const;
643 Representation LookupLiteralRepresentation(LConstantOperand* operand) const; 646 Representation LookupLiteralRepresentation(LConstantOperand* operand) const;
644 647
645 int ParameterAt(int index); 648 int ParameterAt(int index);
646 int GetParameterStackSlot(int index) const; 649 int GetParameterStackSlot(int index) const;
647 int spill_slot_count() const { return spill_slot_count_; } 650 int spill_slot_count() const { return spill_slot_count_; }
648 CompilationInfo* info() const { return info_; } 651 CompilationInfo* info() const { return info_; }
649 HGraph* graph() const { return graph_; } 652 HGraph* graph() const { return graph_; }
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663 } 666 }
664 667
665 void AddInlinedClosure(Handle<JSFunction> closure) { 668 void AddInlinedClosure(Handle<JSFunction> closure) {
666 inlined_closures_.Add(closure, zone()); 669 inlined_closures_.Add(closure, zone());
667 } 670 }
668 671
669 Zone* zone() const { return info_->zone(); } 672 Zone* zone() const { return info_->zone(); }
670 673
671 protected: 674 protected:
672 int spill_slot_count_; 675 int spill_slot_count_;
676 static Handle<Code> Codegen(LChunk* chunk);
danno 2012/07/12 08:38:03 Why do you need to make this static? If you make i
sanjoy 2012/07/12 09:06:49 As I mentioned, LCodeGen specifically needs an LCh
673 677
674 private: 678 private:
675 CompilationInfo* info_; 679 CompilationInfo* info_;
676 HGraph* const graph_; 680 HGraph* const graph_;
677 ZoneList<LInstruction*> instructions_; 681 ZoneList<LInstruction*> instructions_;
678 ZoneList<LPointerMap*> pointer_maps_; 682 ZoneList<LPointerMap*> pointer_maps_;
679 ZoneList<Handle<JSFunction> > inlined_closures_; 683 ZoneList<Handle<JSFunction> > inlined_closures_;
680 }; 684 };
681 685
682 686
683 int ElementsKindToShiftSize(ElementsKind elements_kind); 687 int ElementsKindToShiftSize(ElementsKind elements_kind);
684 688
685 689
686 } } // namespace v8::internal 690 } } // namespace v8::internal
687 691
688 #endif // V8_LITHIUM_H_ 692 #endif // V8_LITHIUM_H_
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