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Issue 1632993003: Revert of Type Feedback Vector lives in the closure (Closed) Base URL: https://chromium.googlesource.com/v8/v8.git@master
Patch Set: 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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2820 Object* megamorphic = *TypeFeedbackVector::MegamorphicSentinel(isolate()); 2820 Object* megamorphic = *TypeFeedbackVector::MegamorphicSentinel(isolate());
2821 dummy_vector->Set(load_ic_slot, megamorphic, SKIP_WRITE_BARRIER); 2821 dummy_vector->Set(load_ic_slot, megamorphic, SKIP_WRITE_BARRIER);
2822 dummy_vector->Set(keyed_load_ic_slot, megamorphic, SKIP_WRITE_BARRIER); 2822 dummy_vector->Set(keyed_load_ic_slot, megamorphic, SKIP_WRITE_BARRIER);
2823 dummy_vector->Set(store_ic_slot, megamorphic, SKIP_WRITE_BARRIER); 2823 dummy_vector->Set(store_ic_slot, megamorphic, SKIP_WRITE_BARRIER);
2824 dummy_vector->Set(keyed_store_ic_slot, megamorphic, SKIP_WRITE_BARRIER); 2824 dummy_vector->Set(keyed_store_ic_slot, megamorphic, SKIP_WRITE_BARRIER);
2825 2825
2826 set_dummy_vector(*dummy_vector); 2826 set_dummy_vector(*dummy_vector);
2827 } 2827 }
2828 2828
2829 { 2829 {
2830 Handle<FixedArray> empty_literals_array =
2831 factory->NewFixedArray(1, TENURED);
2832 empty_literals_array->set(0, *factory->empty_fixed_array(),
2833 SKIP_WRITE_BARRIER);
2834 set_empty_literals_array(*empty_literals_array);
2835 }
2836
2837 {
2838 Handle<WeakCell> cell = factory->NewWeakCell(factory->undefined_value()); 2830 Handle<WeakCell> cell = factory->NewWeakCell(factory->undefined_value());
2839 set_empty_weak_cell(*cell); 2831 set_empty_weak_cell(*cell);
2840 cell->clear(); 2832 cell->clear();
2841 2833
2842 Handle<FixedArray> cleared_optimized_code_map = 2834 Handle<FixedArray> cleared_optimized_code_map =
2843 factory->NewFixedArray(SharedFunctionInfo::kEntriesStart, TENURED); 2835 factory->NewFixedArray(SharedFunctionInfo::kEntriesStart, TENURED);
2844 cleared_optimized_code_map->set(SharedFunctionInfo::kSharedCodeIndex, 2836 cleared_optimized_code_map->set(SharedFunctionInfo::kSharedCodeIndex,
2845 *cell); 2837 *cell);
2846 STATIC_ASSERT(SharedFunctionInfo::kEntriesStart == 1 && 2838 STATIC_ASSERT(SharedFunctionInfo::kEntriesStart == 1 &&
2847 SharedFunctionInfo::kSharedCodeIndex == 0); 2839 SharedFunctionInfo::kSharedCodeIndex == 0);
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6252 } 6244 }
6253 6245
6254 6246
6255 // static 6247 // static
6256 int Heap::GetStaticVisitorIdForMap(Map* map) { 6248 int Heap::GetStaticVisitorIdForMap(Map* map) {
6257 return StaticVisitorBase::GetVisitorId(map); 6249 return StaticVisitorBase::GetVisitorId(map);
6258 } 6250 }
6259 6251
6260 } // namespace internal 6252 } // namespace internal
6261 } // namespace v8 6253 } // namespace v8
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