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Issue 178463007: Moved type feedback vector to SharedFunctionInfo. (Closed) Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge
Patch Set: REBASE Created 6 years, 9 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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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 feedback_vector_; 440 return info_->feedback_vector();
441 } 441 }
442 void StoreFeedbackVectorSlot(int slot, Handle<Object> object) {
443 feedback_vector_->set(slot, *object);
444 }
445 void InitializeFeedbackVector();
446 442
447 // Record a call's return site offset, used to rebuild the frame if the 443 // Record a call's return site offset, used to rebuild the frame if the
448 // called function was inlined at the site. 444 // called function was inlined at the site.
449 void RecordJSReturnSite(Call* call); 445 void RecordJSReturnSite(Call* call);
450 446
451 // Prepare for bailout before a test (or compare) and branch. If 447 // Prepare for bailout before a test (or compare) and branch. If
452 // should_normalize, then the following comparison will not handle the 448 // should_normalize, then the following comparison will not handle the
453 // canonical JS true value so we will insert a (dead) test against true at 449 // canonical JS true value so we will insert a (dead) test against true at
454 // the actual bailout target from the optimized code. If not 450 // the actual bailout target from the optimized code. If not
455 // should_normalize, the true and false labels are ignored. 451 // should_normalize, the true and false labels are ignored.
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841 int loop_depth_; 837 int loop_depth_;
842 ZoneList<Handle<Object> >* globals_; 838 ZoneList<Handle<Object> >* globals_;
843 Handle<FixedArray> modules_; 839 Handle<FixedArray> modules_;
844 int module_index_; 840 int module_index_;
845 const ExpressionContext* context_; 841 const ExpressionContext* context_;
846 ZoneList<BailoutEntry> bailout_entries_; 842 ZoneList<BailoutEntry> bailout_entries_;
847 GrowableBitVector prepared_bailout_ids_; 843 GrowableBitVector prepared_bailout_ids_;
848 ZoneList<BackEdgeEntry> back_edges_; 844 ZoneList<BackEdgeEntry> back_edges_;
849 int ic_total_count_; 845 int ic_total_count_;
850 Handle<FixedArray> handler_table_; 846 Handle<FixedArray> handler_table_;
851 Handle<FixedArray> feedback_vector_;
852 Handle<Cell> profiling_counter_; 847 Handle<Cell> profiling_counter_;
853 bool generate_debug_code_; 848 bool generate_debug_code_;
854 849
855 friend class NestedStatement; 850 friend class NestedStatement;
856 851
857 DEFINE_AST_VISITOR_SUBCLASS_MEMBERS(); 852 DEFINE_AST_VISITOR_SUBCLASS_MEMBERS();
858 DISALLOW_COPY_AND_ASSIGN(FullCodeGenerator); 853 DISALLOW_COPY_AND_ASSIGN(FullCodeGenerator);
859 }; 854 };
860 855
861 856
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964 959
965 Address start_; 960 Address start_;
966 Address instruction_start_; 961 Address instruction_start_;
967 uint32_t length_; 962 uint32_t length_;
968 }; 963 };
969 964
970 965
971 } } // namespace v8::internal 966 } } // namespace v8::internal
972 967
973 #endif // V8_FULL_CODEGEN_H_ 968 #endif // V8_FULL_CODEGEN_H_
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