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Side by Side Diff: src/type-info.h

Issue 1865863003: Cleanup IC-related code (Closed) Base URL: https://chromium.googlesource.com/v8/v8.git@master
Patch Set: Created 4 years, 8 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 #ifndef V8_TYPE_INFO_H_ 5 #ifndef V8_TYPE_INFO_H_
6 #define V8_TYPE_INFO_H_ 6 #define V8_TYPE_INFO_H_
7 7
8 #include "src/allocation.h" 8 #include "src/allocation.h"
9 #include "src/contexts.h" 9 #include "src/contexts.h"
10 #include "src/globals.h" 10 #include "src/globals.h"
11 #include "src/parsing/token.h" 11 #include "src/parsing/token.h"
12 #include "src/types.h" 12 #include "src/types.h"
13 #include "src/zone.h" 13 #include "src/zone.h"
14 14
15 namespace v8 { 15 namespace v8 {
16 namespace internal { 16 namespace internal {
17 17
18 // Forward declarations. 18 // Forward declarations.
19 class SmallMapList; 19 class SmallMapList;
20 20 class FeedbackNexus;
21 21
22 class TypeFeedbackOracle: public ZoneObject { 22 class TypeFeedbackOracle: public ZoneObject {
23 public: 23 public:
24 TypeFeedbackOracle(Isolate* isolate, Zone* zone, Handle<Code> code, 24 TypeFeedbackOracle(Isolate* isolate, Zone* zone, Handle<Code> code,
25 Handle<TypeFeedbackVector> feedback_vector, 25 Handle<TypeFeedbackVector> feedback_vector,
26 Handle<Context> native_context); 26 Handle<Context> native_context);
27 27
28 InlineCacheState LoadInlineCacheState(FeedbackVectorSlot slot); 28 InlineCacheState LoadInlineCacheState(FeedbackVectorSlot slot);
29 bool StoreIsUninitialized(FeedbackVectorSlot slot); 29 bool StoreIsUninitialized(FeedbackVectorSlot slot);
30 bool CallIsUninitialized(FeedbackVectorSlot slot); 30 bool CallIsUninitialized(FeedbackVectorSlot slot);
(...skipping 18 matching lines...) Expand all
49 void AssignmentReceiverTypes(FeedbackVectorSlot slot, Handle<Name> name, 49 void AssignmentReceiverTypes(FeedbackVectorSlot slot, Handle<Name> name,
50 SmallMapList* receiver_types); 50 SmallMapList* receiver_types);
51 void KeyedAssignmentReceiverTypes(FeedbackVectorSlot slot, 51 void KeyedAssignmentReceiverTypes(FeedbackVectorSlot slot,
52 SmallMapList* receiver_types, 52 SmallMapList* receiver_types,
53 KeyedAccessStoreMode* store_mode, 53 KeyedAccessStoreMode* store_mode,
54 IcCheckType* key_type); 54 IcCheckType* key_type);
55 void CountReceiverTypes(FeedbackVectorSlot slot, 55 void CountReceiverTypes(FeedbackVectorSlot slot,
56 SmallMapList* receiver_types); 56 SmallMapList* receiver_types);
57 57
58 void CollectReceiverTypes(FeedbackVectorSlot slot, SmallMapList* types); 58 void CollectReceiverTypes(FeedbackVectorSlot slot, SmallMapList* types);
59 template <class T> 59 void CollectReceiverTypes(FeedbackNexus* nexus, SmallMapList* types);
60 void CollectReceiverTypes(T* obj, SmallMapList* types);
61 60
62 static bool IsRelevantFeedback(Map* map, Context* native_context) { 61 static bool IsRelevantFeedback(Map* map, Context* native_context) {
63 Object* constructor = map->GetConstructor(); 62 Object* constructor = map->GetConstructor();
64 return !constructor->IsJSFunction() || 63 return !constructor->IsJSFunction() ||
65 JSFunction::cast(constructor)->context()->native_context() == 64 JSFunction::cast(constructor)->context()->native_context() ==
66 native_context; 65 native_context;
67 } 66 }
68 67
69 Handle<JSFunction> GetCallTarget(FeedbackVectorSlot slot); 68 Handle<JSFunction> GetCallTarget(FeedbackVectorSlot slot);
70 Handle<AllocationSite> GetCallAllocationSite(FeedbackVectorSlot slot); 69 Handle<AllocationSite> GetCallAllocationSite(FeedbackVectorSlot slot);
(...skipping 20 matching lines...) Expand all
91 Type** combined); 90 Type** combined);
92 91
93 Type* CountType(TypeFeedbackId id); 92 Type* CountType(TypeFeedbackId id);
94 93
95 Zone* zone() const { return zone_; } 94 Zone* zone() const { return zone_; }
96 Isolate* isolate() const { return isolate_; } 95 Isolate* isolate() const { return isolate_; }
97 96
98 private: 97 private:
99 void CollectReceiverTypes(FeedbackVectorSlot slot, Handle<Name> name, 98 void CollectReceiverTypes(FeedbackVectorSlot slot, Handle<Name> name,
100 Code::Flags flags, SmallMapList* types); 99 Code::Flags flags, SmallMapList* types);
101 template <class T> 100 void CollectReceiverTypes(FeedbackNexus* nexus, Handle<Name> name,
102 void CollectReceiverTypes(T* obj, Handle<Name> name, Code::Flags flags, 101 Code::Flags flags, SmallMapList* types);
103 SmallMapList* types);
104 102
105 // Returns true if there is at least one string map and if 103 // Returns true if there is at least one string map and if
106 // all maps are string maps. 104 // all maps are string maps.
107 bool HasOnlyStringMaps(SmallMapList* receiver_types); 105 bool HasOnlyStringMaps(SmallMapList* receiver_types);
108 106
109 void SetInfo(TypeFeedbackId id, Object* target); 107 void SetInfo(TypeFeedbackId id, Object* target);
110 108
111 void BuildDictionary(Handle<Code> code); 109 void BuildDictionary(Handle<Code> code);
112 void GetRelocInfos(Handle<Code> code, ZoneList<RelocInfo>* infos); 110 void GetRelocInfos(Handle<Code> code, ZoneList<RelocInfo>* infos);
113 void CreateDictionary(Handle<Code> code, ZoneList<RelocInfo>* infos); 111 void CreateDictionary(Handle<Code> code, ZoneList<RelocInfo>* infos);
(...skipping 17 matching lines...) Expand all
131 Handle<UnseededNumberDictionary> dictionary_; 129 Handle<UnseededNumberDictionary> dictionary_;
132 Handle<TypeFeedbackVector> feedback_vector_; 130 Handle<TypeFeedbackVector> feedback_vector_;
133 131
134 DISALLOW_COPY_AND_ASSIGN(TypeFeedbackOracle); 132 DISALLOW_COPY_AND_ASSIGN(TypeFeedbackOracle);
135 }; 133 };
136 134
137 } // namespace internal 135 } // namespace internal
138 } // namespace v8 136 } // namespace v8
139 137
140 #endif // V8_TYPE_INFO_H_ 138 #endif // V8_TYPE_INFO_H_
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