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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 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #ifndef V8_OBJECTS_VISITING_INL_H_ | 5 #ifndef V8_OBJECTS_VISITING_INL_H_ |
6 #define V8_OBJECTS_VISITING_INL_H_ | 6 #define V8_OBJECTS_VISITING_INL_H_ |
7 | 7 |
8 #include "src/heap/array-buffer-tracker.h" | 8 #include "src/heap/array-buffer-tracker.h" |
9 #include "src/heap/objects-visiting.h" | 9 #include "src/heap/objects-visiting.h" |
10 #include "src/ic/ic-state.h" | 10 #include "src/ic/ic-state.h" |
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439 | 439 |
440 | 440 |
441 template <typename StaticVisitor> | 441 template <typename StaticVisitor> |
442 void StaticMarkingVisitor<StaticVisitor>::VisitSharedFunctionInfo( | 442 void StaticMarkingVisitor<StaticVisitor>::VisitSharedFunctionInfo( |
443 Map* map, HeapObject* object) { | 443 Map* map, HeapObject* object) { |
444 Heap* heap = map->GetHeap(); | 444 Heap* heap = map->GetHeap(); |
445 SharedFunctionInfo* shared = SharedFunctionInfo::cast(object); | 445 SharedFunctionInfo* shared = SharedFunctionInfo::cast(object); |
446 if (shared->ic_age() != heap->global_ic_age()) { | 446 if (shared->ic_age() != heap->global_ic_age()) { |
447 shared->ResetForNewContext(heap->global_ic_age()); | 447 shared->ResetForNewContext(heap->global_ic_age()); |
448 } | 448 } |
| 449 if (FLAG_cleanup_code_caches_at_gc) { |
| 450 shared->ClearTypeFeedbackInfoAtGCTime(); |
| 451 } |
449 if (FLAG_flush_optimized_code_cache) { | 452 if (FLAG_flush_optimized_code_cache) { |
450 if (!shared->OptimizedCodeMapIsCleared()) { | 453 if (!shared->OptimizedCodeMapIsCleared()) { |
451 // Always flush the optimized code map if requested by flag. | 454 // Always flush the optimized code map if requested by flag. |
452 shared->ClearOptimizedCodeMap(); | 455 shared->ClearOptimizedCodeMap(); |
453 } | 456 } |
454 } | 457 } |
455 MarkCompactCollector* collector = heap->mark_compact_collector(); | 458 MarkCompactCollector* collector = heap->mark_compact_collector(); |
456 if (collector->is_code_flushing_enabled()) { | 459 if (collector->is_code_flushing_enabled()) { |
457 if (IsFlushable(heap, shared)) { | 460 if (IsFlushable(heap, shared)) { |
458 // This function's code looks flushable. But we have to postpone | 461 // This function's code looks flushable. But we have to postpone |
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469 } | 472 } |
470 VisitSharedFunctionInfoStrongCode(heap, object); | 473 VisitSharedFunctionInfoStrongCode(heap, object); |
471 } | 474 } |
472 | 475 |
473 | 476 |
474 template <typename StaticVisitor> | 477 template <typename StaticVisitor> |
475 void StaticMarkingVisitor<StaticVisitor>::VisitJSFunction(Map* map, | 478 void StaticMarkingVisitor<StaticVisitor>::VisitJSFunction(Map* map, |
476 HeapObject* object) { | 479 HeapObject* object) { |
477 Heap* heap = map->GetHeap(); | 480 Heap* heap = map->GetHeap(); |
478 JSFunction* function = JSFunction::cast(object); | 481 JSFunction* function = JSFunction::cast(object); |
479 if (FLAG_cleanup_code_caches_at_gc) { | |
480 function->ClearTypeFeedbackInfoAtGCTime(); | |
481 } | |
482 | |
483 MarkCompactCollector* collector = heap->mark_compact_collector(); | 482 MarkCompactCollector* collector = heap->mark_compact_collector(); |
484 if (collector->is_code_flushing_enabled()) { | 483 if (collector->is_code_flushing_enabled()) { |
485 if (IsFlushable(heap, function)) { | 484 if (IsFlushable(heap, function)) { |
486 // This function's code looks flushable. But we have to postpone | 485 // This function's code looks flushable. But we have to postpone |
487 // the decision until we see all functions that point to the same | 486 // the decision until we see all functions that point to the same |
488 // SharedFunctionInfo because some of them might be optimized. | 487 // SharedFunctionInfo because some of them might be optimized. |
489 // That would also make the non-optimized version of the code | 488 // That would also make the non-optimized version of the code |
490 // non-flushable, because it is required for bailing out from | 489 // non-flushable, because it is required for bailing out from |
491 // optimized code. | 490 // optimized code. |
492 collector->code_flusher()->AddCandidate(function); | 491 collector->code_flusher()->AddCandidate(function); |
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720 typedef FlexibleBodyVisitor<StaticVisitor, JSFunction::BodyDescriptorWeakCode, | 719 typedef FlexibleBodyVisitor<StaticVisitor, JSFunction::BodyDescriptorWeakCode, |
721 void> JSFunctionWeakCodeBodyVisitor; | 720 void> JSFunctionWeakCodeBodyVisitor; |
722 JSFunctionWeakCodeBodyVisitor::Visit(map, object); | 721 JSFunctionWeakCodeBodyVisitor::Visit(map, object); |
723 } | 722 } |
724 | 723 |
725 | 724 |
726 } // namespace internal | 725 } // namespace internal |
727 } // namespace v8 | 726 } // namespace v8 |
728 | 727 |
729 #endif // V8_OBJECTS_VISITING_INL_H_ | 728 #endif // V8_OBJECTS_VISITING_INL_H_ |
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