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Issue 1668103002: Type Feedback Vector lives in the closure (Closed) Base URL: https://chromium.googlesource.com/v8/v8.git@master
Patch Set: REBASE. Created 4 years, 10 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 // 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 #include "src/heap/heap.h" 5 #include "src/heap/heap.h"
6 6
7 #include "src/accessors.h" 7 #include "src/accessors.h"
8 #include "src/api.h" 8 #include "src/api.h"
9 #include "src/ast/scopeinfo.h" 9 #include "src/ast/scopeinfo.h"
10 #include "src/base/bits.h" 10 #include "src/base/bits.h"
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2814 Object* megamorphic = *TypeFeedbackVector::MegamorphicSentinel(isolate()); 2814 Object* megamorphic = *TypeFeedbackVector::MegamorphicSentinel(isolate());
2815 dummy_vector->Set(load_ic_slot, megamorphic, SKIP_WRITE_BARRIER); 2815 dummy_vector->Set(load_ic_slot, megamorphic, SKIP_WRITE_BARRIER);
2816 dummy_vector->Set(keyed_load_ic_slot, megamorphic, SKIP_WRITE_BARRIER); 2816 dummy_vector->Set(keyed_load_ic_slot, megamorphic, SKIP_WRITE_BARRIER);
2817 dummy_vector->Set(store_ic_slot, megamorphic, SKIP_WRITE_BARRIER); 2817 dummy_vector->Set(store_ic_slot, megamorphic, SKIP_WRITE_BARRIER);
2818 dummy_vector->Set(keyed_store_ic_slot, megamorphic, SKIP_WRITE_BARRIER); 2818 dummy_vector->Set(keyed_store_ic_slot, megamorphic, SKIP_WRITE_BARRIER);
2819 2819
2820 set_dummy_vector(*dummy_vector); 2820 set_dummy_vector(*dummy_vector);
2821 } 2821 }
2822 2822
2823 { 2823 {
2824 Handle<FixedArray> empty_literals_array =
2825 factory->NewFixedArray(1, TENURED);
2826 empty_literals_array->set(0, *factory->empty_fixed_array(),
2827 SKIP_WRITE_BARRIER);
2828 set_empty_literals_array(*empty_literals_array);
2829 }
2830
2831 {
2824 Handle<WeakCell> cell = factory->NewWeakCell(factory->undefined_value()); 2832 Handle<WeakCell> cell = factory->NewWeakCell(factory->undefined_value());
2825 set_empty_weak_cell(*cell); 2833 set_empty_weak_cell(*cell);
2826 cell->clear(); 2834 cell->clear();
2827 2835
2828 Handle<FixedArray> cleared_optimized_code_map = 2836 Handle<FixedArray> cleared_optimized_code_map =
2829 factory->NewFixedArray(SharedFunctionInfo::kEntriesStart, TENURED); 2837 factory->NewFixedArray(SharedFunctionInfo::kEntriesStart, TENURED);
2830 cleared_optimized_code_map->set(SharedFunctionInfo::kSharedCodeIndex, 2838 cleared_optimized_code_map->set(SharedFunctionInfo::kSharedCodeIndex,
2831 *cell); 2839 *cell);
2832 STATIC_ASSERT(SharedFunctionInfo::kEntriesStart == 1 && 2840 STATIC_ASSERT(SharedFunctionInfo::kEntriesStart == 1 &&
2833 SharedFunctionInfo::kSharedCodeIndex == 0); 2841 SharedFunctionInfo::kSharedCodeIndex == 0);
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6214 } 6222 }
6215 6223
6216 6224
6217 // static 6225 // static
6218 int Heap::GetStaticVisitorIdForMap(Map* map) { 6226 int Heap::GetStaticVisitorIdForMap(Map* map) {
6219 return StaticVisitorBase::GetVisitorId(map); 6227 return StaticVisitorBase::GetVisitorId(map);
6220 } 6228 }
6221 6229
6222 } // namespace internal 6230 } // namespace internal
6223 } // namespace v8 6231 } // namespace v8
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