21 bool CanInlineElementAccess(Handle<Map> map) {  in CanInlineElementAccess()  argument
22   if (!map->IsJSObjectMap()) return false;  in CanInlineElementAccess()
23   if (map->is_access_check_needed()) return false;  in CanInlineElementAccess()
24   if (map->has_indexed_interceptor()) return false;  in CanInlineElementAccess()
25   ElementsKind const elements_kind = map->elements_kind();  in CanInlineElementAccess()
32 bool CanInlinePropertyAccess(Handle<Map> map) {  in CanInlinePropertyAccess()  argument
37   if (map->IsBooleanMap()) return true;  in CanInlinePropertyAccess()
38   if (map->instance_type() < LAST_PRIMITIVE_TYPE) return true;  in CanInlinePropertyAccess()
39   return map->IsJSObjectMap() && !map->is_dictionary_map() &&  in CanInlinePropertyAccess()
40          !map->has_named_interceptor() &&  in CanInlinePropertyAccess()
42          !map->is_access_check_needed();  in CanInlinePropertyAccess()
144     Handle<Map> map, AccessMode access_mode, ElementAccessInfo* access_info) {  in ComputeElementAccessInfo()  argument
146   if (!CanInlineElementAccess(map)) return false;  in ComputeElementAccessInfo()
148   ElementsKind const elements_kind = map->elements_kind();  in ComputeElementAccessInfo()
154   if (access_mode == AccessMode::kStore && map->prototype()->IsJSObject()) {  in ComputeElementAccessInfo()
155     for (PrototypeIterator i(map); !i.IsAtEnd(); i.Advance()) {  in ComputeElementAccessInfo()
164       if (!prototype->map()->is_stable()) return false;  in ComputeElementAccessInfo()
170       ElementAccessInfo(Type::Class(map, zone()), elements_kind, holder);  in ComputeElementAccessInfo()
180   for (Handle<Map> map : maps) {  in ComputeElementAccessInfos()
181     if (Map::TryUpdate(map).ToHandle(&map)) {  in ComputeElementAccessInfos()
182       if (CanInlineElementAccess(map) &&  in ComputeElementAccessInfos()
183           IsFastElementsKind(map->elements_kind()) &&  in ComputeElementAccessInfos()
184           GetInitialFastElementsKind() != map->elements_kind()) {  in ComputeElementAccessInfos()
185         possible_transition_targets.Add(map);  in ComputeElementAccessInfos()
193   for (Handle<Map> map : maps) {  in ComputeElementAccessInfos()
194     if (Map::TryUpdate(map).ToHandle(&map)) {  in ComputeElementAccessInfos()
196           Map::FindTransitionedMap(map, &possible_transition_targets);  in ComputeElementAccessInfos()
198         receiver_maps.Add(map);  in ComputeElementAccessInfos()
200         transitions.push_back(std::make_pair(map, transition_target));  in ComputeElementAccessInfos()
227     Handle<Map> map, Handle<Name> name, AccessMode access_mode,  in ComputePropertyAccessInfo()  argument
230   if (!CanInlinePropertyAccess(map)) return false;  in ComputePropertyAccessInfo()
233   Handle<Map> receiver_map = map;  in ComputePropertyAccessInfo()
237       LookupSpecialFieldAccessor(map, name, access_info)) {  in ComputePropertyAccessInfo()
244     Handle<DescriptorArray> descriptors(map->instance_descriptors(), isolate());  in ComputePropertyAccessInfo()
245     int const number = descriptors->SearchWithCache(*name, *map);  in ComputePropertyAccessInfo()
270             *map, index, field_representation.IsDouble());  in ComputePropertyAccessInfo()
294             Handle<Map> field_owner_map(map->FindFieldOwner(number), isolate());  in ComputePropertyAccessInfo()
311     if (map->IsJSTypedArrayMap() && name->IsString() &&  in ComputePropertyAccessInfo()
320     if (!map->prototype()->IsJSObject()) {  in ComputePropertyAccessInfo()
324       if (Map::GetConstructorFunction(map, native_context())  in ComputePropertyAccessInfo()
326         map = handle(constructor->initial_map(), isolate());  in ComputePropertyAccessInfo()
327         DCHECK(map->prototype()->IsJSObject());  in ComputePropertyAccessInfo()
328       } else if (map->prototype()->IsNull()) {  in ComputePropertyAccessInfo()
345     Handle<JSObject> map_prototype(JSObject::cast(map->prototype()), isolate());  in ComputePropertyAccessInfo()
346     if (map_prototype->map()->is_deprecated()) {  in ComputePropertyAccessInfo()
351     map = handle(map_prototype->map(), isolate());  in ComputePropertyAccessInfo()
353   } while (CanInlinePropertyAccess(map));  in ComputePropertyAccessInfo()
361   for (Handle<Map> map : maps) {  in ComputePropertyAccessInfos()
362     if (Map::TryUpdate(map).ToHandle(&map)) {  in ComputePropertyAccessInfos()
364       if (!ComputePropertyAccessInfo(map, name, access_mode, &access_info)) {  in ComputePropertyAccessInfos()
375     Handle<Map> map, Handle<Name> name, PropertyAccessInfo* access_info) {  in LookupSpecialFieldAccessor()  argument
378   if (Accessors::IsJSObjectFieldAccessor(map, name, &offset)) {  in LookupSpecialFieldAccessor()
381     if (map->IsStringMap()) {  in LookupSpecialFieldAccessor()
386     } else if (map->IsJSArrayMap()) {  in LookupSpecialFieldAccessor()
393       if (IsFastDoubleElementsKind(map->elements_kind())) {  in LookupSpecialFieldAccessor()
395       } else if (IsFastElementsKind(map->elements_kind())) {  in LookupSpecialFieldAccessor()
401     *access_info = PropertyAccessInfo::DataField(Type::Class(map, zone()),  in LookupSpecialFieldAccessor()
406   if (Accessors::IsJSArrayBufferViewFieldAccessor(map, name, &offset)) {  in LookupSpecialFieldAccessor()
414     } else if (map->IsJSTypedArrayMap()) {  in LookupSpecialFieldAccessor()
421         Type::Class(map, zone()), field_index, field_type,  in LookupSpecialFieldAccessor()
429 bool AccessInfoFactory::LookupTransition(Handle<Map> map, Handle<Name> name,  in LookupTransition()  argument
433   if (map->unused_property_fields() == 0) return false;  in LookupTransition()
435   if (TransitionArray::SearchTransition(map, kData, name, NONE)  in LookupTransition()
476         Type::Class(map, zone()), field_index, field_type, FieldCheck::kNone,  in LookupTransition()