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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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430 Expression* sub_expr, | 430 Expression* sub_expr, |
431 NilValue nil); | 431 NilValue nil); |
432 | 432 |
433 // Bailout support. | 433 // Bailout support. |
434 void PrepareForBailout(Expression* node, State state); | 434 void PrepareForBailout(Expression* node, State state); |
435 void PrepareForBailoutForId(BailoutId id, State state); | 435 void PrepareForBailoutForId(BailoutId id, State state); |
436 | 436 |
437 // Feedback slot support. The feedback vector will be cleared during gc and | 437 // Feedback slot support. The feedback vector will be cleared during gc and |
438 // collected by the type-feedback oracle. | 438 // collected by the type-feedback oracle. |
439 Handle<FixedArray> FeedbackVector() { | 439 Handle<FixedArray> FeedbackVector() { |
440 return info_->feedback_vector(); | 440 return feedback_vector_; |
441 } | 441 } |
| 442 void StoreFeedbackVectorSlot(int slot, Handle<Object> object) { |
| 443 feedback_vector_->set(slot, *object); |
| 444 } |
| 445 void InitializeFeedbackVector(); |
442 | 446 |
443 // Record a call's return site offset, used to rebuild the frame if the | 447 // Record a call's return site offset, used to rebuild the frame if the |
444 // called function was inlined at the site. | 448 // called function was inlined at the site. |
445 void RecordJSReturnSite(Call* call); | 449 void RecordJSReturnSite(Call* call); |
446 | 450 |
447 // Prepare for bailout before a test (or compare) and branch. If | 451 // Prepare for bailout before a test (or compare) and branch. If |
448 // should_normalize, then the following comparison will not handle the | 452 // should_normalize, then the following comparison will not handle the |
449 // canonical JS true value so we will insert a (dead) test against true at | 453 // canonical JS true value so we will insert a (dead) test against true at |
450 // the actual bailout target from the optimized code. If not | 454 // the actual bailout target from the optimized code. If not |
451 // should_normalize, the true and false labels are ignored. | 455 // should_normalize, the true and false labels are ignored. |
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833 int loop_depth_; | 837 int loop_depth_; |
834 ZoneList<Handle<Object> >* globals_; | 838 ZoneList<Handle<Object> >* globals_; |
835 Handle<FixedArray> modules_; | 839 Handle<FixedArray> modules_; |
836 int module_index_; | 840 int module_index_; |
837 const ExpressionContext* context_; | 841 const ExpressionContext* context_; |
838 ZoneList<BailoutEntry> bailout_entries_; | 842 ZoneList<BailoutEntry> bailout_entries_; |
839 GrowableBitVector prepared_bailout_ids_; | 843 GrowableBitVector prepared_bailout_ids_; |
840 ZoneList<BackEdgeEntry> back_edges_; | 844 ZoneList<BackEdgeEntry> back_edges_; |
841 int ic_total_count_; | 845 int ic_total_count_; |
842 Handle<FixedArray> handler_table_; | 846 Handle<FixedArray> handler_table_; |
| 847 Handle<FixedArray> feedback_vector_; |
843 Handle<Cell> profiling_counter_; | 848 Handle<Cell> profiling_counter_; |
844 bool generate_debug_code_; | 849 bool generate_debug_code_; |
845 | 850 |
846 friend class NestedStatement; | 851 friend class NestedStatement; |
847 | 852 |
848 DEFINE_AST_VISITOR_SUBCLASS_MEMBERS(); | 853 DEFINE_AST_VISITOR_SUBCLASS_MEMBERS(); |
849 DISALLOW_COPY_AND_ASSIGN(FullCodeGenerator); | 854 DISALLOW_COPY_AND_ASSIGN(FullCodeGenerator); |
850 }; | 855 }; |
851 | 856 |
852 | 857 |
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955 | 960 |
956 Address start_; | 961 Address start_; |
957 Address instruction_start_; | 962 Address instruction_start_; |
958 uint32_t length_; | 963 uint32_t length_; |
959 }; | 964 }; |
960 | 965 |
961 | 966 |
962 } } // namespace v8::internal | 967 } } // namespace v8::internal |
963 | 968 |
964 #endif // V8_FULL_CODEGEN_H_ | 969 #endif // V8_FULL_CODEGEN_H_ |
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