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Side by Side Diff: src/heap/objects-visiting.cc

Issue 2955793002: Revert of Make some functions that are hit during renderer startup available for inlining (Closed)
Patch Set: Created 3 years, 5 months ago
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1 // Copyright 2011 the V8 project authors. All rights reserved. 1 // Copyright 2011 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/objects-visiting.h" 5 #include "src/heap/objects-visiting.h"
6 6
7 #include "src/heap/heap-inl.h" 7 #include "src/heap/heap-inl.h"
8 #include "src/heap/mark-compact-inl.h" 8 #include "src/heap/mark-compact-inl.h"
9 #include "src/heap/objects-visiting-inl.h" 9 #include "src/heap/objects-visiting-inl.h"
10 10
11 namespace v8 { 11 namespace v8 {
12 namespace internal { 12 namespace internal {
13 13
14 VisitorId StaticVisitorBase::GetVisitorId(Map* map) {
15 return GetVisitorId(map->instance_type(), map->instance_size(),
16 FLAG_unbox_double_fields && !map->HasFastPointerLayout());
17 }
18
19 VisitorId StaticVisitorBase::GetVisitorId(int instance_type, int instance_size,
20 bool has_unboxed_fields) {
21 if (instance_type < FIRST_NONSTRING_TYPE) {
22 switch (instance_type & kStringRepresentationMask) {
23 case kSeqStringTag:
24 if ((instance_type & kStringEncodingMask) == kOneByteStringTag) {
25 return kVisitSeqOneByteString;
26 } else {
27 return kVisitSeqTwoByteString;
28 }
29
30 case kConsStringTag:
31 if (IsShortcutCandidate(instance_type)) {
32 return kVisitShortcutCandidate;
33 } else {
34 return kVisitConsString;
35 }
36
37 case kSlicedStringTag:
38 return kVisitSlicedString;
39
40 case kExternalStringTag:
41 return kVisitDataObject;
42
43 case kThinStringTag:
44 return kVisitThinString;
45 }
46 UNREACHABLE();
47 }
48
49 switch (instance_type) {
50 case BYTE_ARRAY_TYPE:
51 return kVisitByteArray;
52
53 case BYTECODE_ARRAY_TYPE:
54 return kVisitBytecodeArray;
55
56 case FREE_SPACE_TYPE:
57 return kVisitFreeSpace;
58
59 case FIXED_ARRAY_TYPE:
60 return kVisitFixedArray;
61
62 case FIXED_DOUBLE_ARRAY_TYPE:
63 return kVisitFixedDoubleArray;
64
65 case ODDBALL_TYPE:
66 return kVisitOddball;
67
68 case MAP_TYPE:
69 return kVisitMap;
70
71 case CODE_TYPE:
72 return kVisitCode;
73
74 case CELL_TYPE:
75 return kVisitCell;
76
77 case PROPERTY_CELL_TYPE:
78 return kVisitPropertyCell;
79
80 case WEAK_CELL_TYPE:
81 return kVisitWeakCell;
82
83 case TRANSITION_ARRAY_TYPE:
84 return kVisitTransitionArray;
85
86 case JS_WEAK_MAP_TYPE:
87 case JS_WEAK_SET_TYPE:
88 return kVisitJSWeakCollection;
89
90 case JS_REGEXP_TYPE:
91 return kVisitJSRegExp;
92
93 case SHARED_FUNCTION_INFO_TYPE:
94 return kVisitSharedFunctionInfo;
95
96 case JS_PROXY_TYPE:
97 return kVisitStruct;
98
99 case SYMBOL_TYPE:
100 return kVisitSymbol;
101
102 case JS_ARRAY_BUFFER_TYPE:
103 return kVisitJSArrayBuffer;
104
105 case SMALL_ORDERED_HASH_MAP_TYPE:
106 return kVisitSmallOrderedHashMap;
107
108 case SMALL_ORDERED_HASH_SET_TYPE:
109 return kVisitSmallOrderedHashSet;
110
111 case JS_OBJECT_TYPE:
112 case JS_ERROR_TYPE:
113 case JS_ARGUMENTS_TYPE:
114 case JS_ASYNC_FROM_SYNC_ITERATOR_TYPE:
115 case JS_CONTEXT_EXTENSION_OBJECT_TYPE:
116 case JS_GENERATOR_OBJECT_TYPE:
117 case JS_ASYNC_GENERATOR_OBJECT_TYPE:
118 case JS_MODULE_NAMESPACE_TYPE:
119 case JS_VALUE_TYPE:
120 case JS_DATE_TYPE:
121 case JS_ARRAY_TYPE:
122 case JS_GLOBAL_PROXY_TYPE:
123 case JS_GLOBAL_OBJECT_TYPE:
124 case JS_MESSAGE_OBJECT_TYPE:
125 case JS_TYPED_ARRAY_TYPE:
126 case JS_DATA_VIEW_TYPE:
127 case JS_SET_TYPE:
128 case JS_MAP_TYPE:
129 case JS_SET_ITERATOR_TYPE:
130 case JS_MAP_ITERATOR_TYPE:
131 case JS_STRING_ITERATOR_TYPE:
132
133 case JS_TYPED_ARRAY_KEY_ITERATOR_TYPE:
134 case JS_FAST_ARRAY_KEY_ITERATOR_TYPE:
135 case JS_GENERIC_ARRAY_KEY_ITERATOR_TYPE:
136 case JS_UINT8_ARRAY_KEY_VALUE_ITERATOR_TYPE:
137 case JS_INT8_ARRAY_KEY_VALUE_ITERATOR_TYPE:
138 case JS_UINT16_ARRAY_KEY_VALUE_ITERATOR_TYPE:
139 case JS_INT16_ARRAY_KEY_VALUE_ITERATOR_TYPE:
140 case JS_UINT32_ARRAY_KEY_VALUE_ITERATOR_TYPE:
141 case JS_INT32_ARRAY_KEY_VALUE_ITERATOR_TYPE:
142 case JS_FLOAT32_ARRAY_KEY_VALUE_ITERATOR_TYPE:
143 case JS_FLOAT64_ARRAY_KEY_VALUE_ITERATOR_TYPE:
144 case JS_UINT8_CLAMPED_ARRAY_KEY_VALUE_ITERATOR_TYPE:
145 case JS_FAST_SMI_ARRAY_KEY_VALUE_ITERATOR_TYPE:
146 case JS_FAST_HOLEY_SMI_ARRAY_KEY_VALUE_ITERATOR_TYPE:
147 case JS_FAST_ARRAY_KEY_VALUE_ITERATOR_TYPE:
148 case JS_FAST_HOLEY_ARRAY_KEY_VALUE_ITERATOR_TYPE:
149 case JS_FAST_DOUBLE_ARRAY_KEY_VALUE_ITERATOR_TYPE:
150 case JS_FAST_HOLEY_DOUBLE_ARRAY_KEY_VALUE_ITERATOR_TYPE:
151 case JS_GENERIC_ARRAY_KEY_VALUE_ITERATOR_TYPE:
152 case JS_UINT8_ARRAY_VALUE_ITERATOR_TYPE:
153 case JS_INT8_ARRAY_VALUE_ITERATOR_TYPE:
154 case JS_UINT16_ARRAY_VALUE_ITERATOR_TYPE:
155 case JS_INT16_ARRAY_VALUE_ITERATOR_TYPE:
156 case JS_UINT32_ARRAY_VALUE_ITERATOR_TYPE:
157 case JS_INT32_ARRAY_VALUE_ITERATOR_TYPE:
158 case JS_FLOAT32_ARRAY_VALUE_ITERATOR_TYPE:
159 case JS_FLOAT64_ARRAY_VALUE_ITERATOR_TYPE:
160 case JS_UINT8_CLAMPED_ARRAY_VALUE_ITERATOR_TYPE:
161 case JS_FAST_SMI_ARRAY_VALUE_ITERATOR_TYPE:
162 case JS_FAST_HOLEY_SMI_ARRAY_VALUE_ITERATOR_TYPE:
163 case JS_FAST_ARRAY_VALUE_ITERATOR_TYPE:
164 case JS_FAST_HOLEY_ARRAY_VALUE_ITERATOR_TYPE:
165 case JS_FAST_DOUBLE_ARRAY_VALUE_ITERATOR_TYPE:
166 case JS_FAST_HOLEY_DOUBLE_ARRAY_VALUE_ITERATOR_TYPE:
167 case JS_GENERIC_ARRAY_VALUE_ITERATOR_TYPE:
168
169 case JS_PROMISE_CAPABILITY_TYPE:
170 case JS_PROMISE_TYPE:
171 case JS_BOUND_FUNCTION_TYPE:
172 return has_unboxed_fields ? kVisitJSObject : kVisitJSObjectFast;
173 case JS_API_OBJECT_TYPE:
174 case JS_SPECIAL_API_OBJECT_TYPE:
175 return kVisitJSApiObject;
176
177 case JS_FUNCTION_TYPE:
178 return kVisitJSFunction;
179
180 case FILLER_TYPE:
181 case FOREIGN_TYPE:
182 case HEAP_NUMBER_TYPE:
183 case MUTABLE_HEAP_NUMBER_TYPE:
184 return kVisitDataObject;
185
186 case FIXED_UINT8_ARRAY_TYPE:
187 case FIXED_INT8_ARRAY_TYPE:
188 case FIXED_UINT16_ARRAY_TYPE:
189 case FIXED_INT16_ARRAY_TYPE:
190 case FIXED_UINT32_ARRAY_TYPE:
191 case FIXED_INT32_ARRAY_TYPE:
192 case FIXED_FLOAT32_ARRAY_TYPE:
193 case FIXED_UINT8_CLAMPED_ARRAY_TYPE:
194 return kVisitFixedTypedArrayBase;
195
196 case FIXED_FLOAT64_ARRAY_TYPE:
197 return kVisitFixedFloat64Array;
198
199 #define MAKE_STRUCT_CASE(NAME, Name, name) case NAME##_TYPE:
200 STRUCT_LIST(MAKE_STRUCT_CASE)
201 #undef MAKE_STRUCT_CASE
202 if (instance_type == ALLOCATION_SITE_TYPE) {
203 return kVisitAllocationSite;
204 }
205
206 return kVisitStruct;
207
208 default:
209 UNREACHABLE();
210 }
211 }
212
14 213
15 // We don't record weak slots during marking or scavenges. Instead we do it 214 // We don't record weak slots during marking or scavenges. Instead we do it
16 // once when we complete mark-compact cycle. Note that write barrier has no 215 // once when we complete mark-compact cycle. Note that write barrier has no
17 // effect if we are already in the middle of compacting mark-sweep cycle and we 216 // effect if we are already in the middle of compacting mark-sweep cycle and we
18 // have to record slots manually. 217 // have to record slots manually.
19 static bool MustRecordSlots(Heap* heap) { 218 static bool MustRecordSlots(Heap* heap) {
20 return heap->gc_state() == Heap::MARK_COMPACT && 219 return heap->gc_state() == Heap::MARK_COMPACT &&
21 heap->mark_compact_collector()->is_compacting(); 220 heap->mark_compact_collector()->is_compacting();
22 } 221 }
23 222
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198 }; 397 };
199 398
200 399
201 template Object* VisitWeakList<Context>(Heap* heap, Object* list, 400 template Object* VisitWeakList<Context>(Heap* heap, Object* list,
202 WeakObjectRetainer* retainer); 401 WeakObjectRetainer* retainer);
203 402
204 template Object* VisitWeakList<AllocationSite>(Heap* heap, Object* list, 403 template Object* VisitWeakList<AllocationSite>(Heap* heap, Object* list,
205 WeakObjectRetainer* retainer); 404 WeakObjectRetainer* retainer);
206 } // namespace internal 405 } // namespace internal
207 } // namespace v8 406 } // namespace v8
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