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

Issue 1370303004: Distinction between FeedbackVectorICSlot and FeedbackVectorSlot eliminated. (Closed) Base URL: https://chromium.googlesource.com/v8/v8.git@master
Patch Set: Fixed release builds Created 5 years, 2 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/token.h" 11 #include "src/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
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(TypeFeedbackId id); 28 InlineCacheState LoadInlineCacheState(TypeFeedbackId id);
29 InlineCacheState LoadInlineCacheState(FeedbackVectorICSlot slot); 29 InlineCacheState LoadInlineCacheState(FeedbackVectorSlot slot);
30 bool StoreIsUninitialized(TypeFeedbackId id); 30 bool StoreIsUninitialized(TypeFeedbackId id);
31 bool StoreIsUninitialized(FeedbackVectorICSlot slot); 31 bool StoreIsUninitialized(FeedbackVectorSlot slot);
32 bool CallIsUninitialized(FeedbackVectorICSlot slot); 32 bool CallIsUninitialized(FeedbackVectorSlot slot);
33 bool CallIsMonomorphic(FeedbackVectorICSlot slot); 33 bool CallIsMonomorphic(FeedbackVectorSlot slot);
34 bool KeyedArrayCallIsHoley(TypeFeedbackId id); 34 bool KeyedArrayCallIsHoley(TypeFeedbackId id);
35 bool CallNewIsMonomorphic(FeedbackVectorSlot slot); 35 bool CallNewIsMonomorphic(FeedbackVectorSlot slot);
36 36
37 // TODO(1571) We can't use ForInStatement::ForInType as the return value due 37 // TODO(1571) We can't use ForInStatement::ForInType as the return value due
38 // to various cycles in our headers. 38 // to various cycles in our headers.
39 // TODO(rossberg): once all oracle access is removed from ast.cc, it should 39 // TODO(rossberg): once all oracle access is removed from ast.cc, it should
40 // be possible. 40 // be possible.
41 byte ForInType(FeedbackVectorSlot feedback_vector_slot); 41 byte ForInType(FeedbackVectorSlot feedback_vector_slot);
42 42
43 void GetStoreModeAndKeyType(TypeFeedbackId id, 43 void GetStoreModeAndKeyType(TypeFeedbackId id,
44 KeyedAccessStoreMode* store_mode, 44 KeyedAccessStoreMode* store_mode,
45 IcCheckType* key_type); 45 IcCheckType* key_type);
46 void GetStoreModeAndKeyType(FeedbackVectorICSlot slot, 46 void GetStoreModeAndKeyType(FeedbackVectorSlot slot,
47 KeyedAccessStoreMode* store_mode, 47 KeyedAccessStoreMode* store_mode,
48 IcCheckType* key_type); 48 IcCheckType* key_type);
49 49
50 void PropertyReceiverTypes(FeedbackVectorICSlot slot, Handle<Name> name, 50 void PropertyReceiverTypes(FeedbackVectorSlot slot, Handle<Name> name,
51 SmallMapList* receiver_types); 51 SmallMapList* receiver_types);
52 void KeyedPropertyReceiverTypes(FeedbackVectorICSlot slot, 52 void KeyedPropertyReceiverTypes(FeedbackVectorSlot slot,
53 SmallMapList* receiver_types, bool* is_string, 53 SmallMapList* receiver_types, bool* is_string,
54 IcCheckType* key_type); 54 IcCheckType* key_type);
55 void AssignmentReceiverTypes(TypeFeedbackId id, Handle<Name> name, 55 void AssignmentReceiverTypes(TypeFeedbackId id, Handle<Name> name,
56 SmallMapList* receiver_types); 56 SmallMapList* receiver_types);
57 void AssignmentReceiverTypes(FeedbackVectorICSlot slot, Handle<Name> name, 57 void AssignmentReceiverTypes(FeedbackVectorSlot slot, Handle<Name> name,
58 SmallMapList* receiver_types); 58 SmallMapList* receiver_types);
59 void KeyedAssignmentReceiverTypes(TypeFeedbackId id, 59 void KeyedAssignmentReceiverTypes(TypeFeedbackId id,
60 SmallMapList* receiver_types, 60 SmallMapList* receiver_types,
61 KeyedAccessStoreMode* store_mode, 61 KeyedAccessStoreMode* store_mode,
62 IcCheckType* key_type); 62 IcCheckType* key_type);
63 void KeyedAssignmentReceiverTypes(FeedbackVectorICSlot slot, 63 void KeyedAssignmentReceiverTypes(FeedbackVectorSlot slot,
64 SmallMapList* receiver_types, 64 SmallMapList* receiver_types,
65 KeyedAccessStoreMode* store_mode, 65 KeyedAccessStoreMode* store_mode,
66 IcCheckType* key_type); 66 IcCheckType* key_type);
67 void CountReceiverTypes(TypeFeedbackId id, 67 void CountReceiverTypes(TypeFeedbackId id,
68 SmallMapList* receiver_types); 68 SmallMapList* receiver_types);
69 void CountReceiverTypes(FeedbackVectorICSlot slot, 69 void CountReceiverTypes(FeedbackVectorSlot slot,
70 SmallMapList* receiver_types); 70 SmallMapList* receiver_types);
71 71
72 void CollectReceiverTypes(FeedbackVectorICSlot slot, SmallMapList* types); 72 void CollectReceiverTypes(FeedbackVectorSlot slot, SmallMapList* types);
73 void CollectReceiverTypes(TypeFeedbackId id, 73 void CollectReceiverTypes(TypeFeedbackId id,
74 SmallMapList* types); 74 SmallMapList* types);
75 template <class T> 75 template <class T>
76 void CollectReceiverTypes(T* obj, SmallMapList* types); 76 void CollectReceiverTypes(T* obj, SmallMapList* types);
77 77
78 static bool IsRelevantFeedback(Map* map, Context* native_context) { 78 static bool IsRelevantFeedback(Map* map, Context* native_context) {
79 Object* constructor = map->GetConstructor(); 79 Object* constructor = map->GetConstructor();
80 return !constructor->IsJSFunction() || 80 return !constructor->IsJSFunction() ||
81 JSFunction::cast(constructor)->context()->native_context() == 81 JSFunction::cast(constructor)->context()->native_context() ==
82 native_context; 82 native_context;
83 } 83 }
84 84
85 Handle<JSFunction> GetCallTarget(FeedbackVectorICSlot slot); 85 Handle<JSFunction> GetCallTarget(FeedbackVectorSlot slot);
86 Handle<AllocationSite> GetCallAllocationSite(FeedbackVectorICSlot slot); 86 Handle<AllocationSite> GetCallAllocationSite(FeedbackVectorSlot slot);
87 Handle<JSFunction> GetCallNewTarget(FeedbackVectorSlot slot); 87 Handle<JSFunction> GetCallNewTarget(FeedbackVectorSlot slot);
88 Handle<AllocationSite> GetCallNewAllocationSite(FeedbackVectorSlot slot); 88 Handle<AllocationSite> GetCallNewAllocationSite(FeedbackVectorSlot slot);
89 89
90 bool LoadIsBuiltin(TypeFeedbackId id, Builtins::Name builtin_id); 90 bool LoadIsBuiltin(TypeFeedbackId id, Builtins::Name builtin_id);
91 91
92 // TODO(1571) We can't use ToBooleanStub::Types as the return value because 92 // TODO(1571) We can't use ToBooleanStub::Types as the return value because
93 // of various cycles in our headers. Death to tons of implementations in 93 // of various cycles in our headers. Death to tons of implementations in
94 // headers!! :-P 94 // headers!! :-P
95 uint16_t ToBooleanTypes(TypeFeedbackId id); 95 uint16_t ToBooleanTypes(TypeFeedbackId id);
96 96
(...skipping 10 matching lines...) Expand all
107 Type** left, 107 Type** left,
108 Type** right, 108 Type** right,
109 Type** combined); 109 Type** combined);
110 110
111 Type* CountType(TypeFeedbackId id); 111 Type* CountType(TypeFeedbackId id);
112 112
113 Zone* zone() const { return zone_; } 113 Zone* zone() const { return zone_; }
114 Isolate* isolate() const { return isolate_; } 114 Isolate* isolate() const { return isolate_; }
115 115
116 private: 116 private:
117 void CollectReceiverTypes(FeedbackVectorICSlot slot, Handle<Name> name, 117 void CollectReceiverTypes(FeedbackVectorSlot slot, Handle<Name> name,
118 Code::Flags flags, SmallMapList* types); 118 Code::Flags flags, SmallMapList* types);
119 void CollectReceiverTypes(TypeFeedbackId id, Handle<Name> name, 119 void CollectReceiverTypes(TypeFeedbackId id, Handle<Name> name,
120 Code::Flags flags, SmallMapList* types); 120 Code::Flags flags, SmallMapList* types);
121 template <class T> 121 template <class T>
122 void CollectReceiverTypes(T* obj, Handle<Name> name, Code::Flags flags, 122 void CollectReceiverTypes(T* obj, Handle<Name> name, Code::Flags flags,
123 SmallMapList* types); 123 SmallMapList* types);
124 124
125 // Returns true if there is at least one string map and if 125 // Returns true if there is at least one string map and if
126 // all maps are string maps. 126 // all maps are string maps.
127 bool HasOnlyStringMaps(SmallMapList* receiver_types); 127 bool HasOnlyStringMaps(SmallMapList* receiver_types);
128 128
129 void SetInfo(TypeFeedbackId id, Object* target); 129 void SetInfo(TypeFeedbackId id, Object* target);
130 130
131 void BuildDictionary(Handle<Code> code); 131 void BuildDictionary(Handle<Code> code);
132 void GetRelocInfos(Handle<Code> code, ZoneList<RelocInfo>* infos); 132 void GetRelocInfos(Handle<Code> code, ZoneList<RelocInfo>* infos);
133 void CreateDictionary(Handle<Code> code, ZoneList<RelocInfo>* infos); 133 void CreateDictionary(Handle<Code> code, ZoneList<RelocInfo>* infos);
134 void RelocateRelocInfos(ZoneList<RelocInfo>* infos, 134 void RelocateRelocInfos(ZoneList<RelocInfo>* infos,
135 Code* old_code, 135 Code* old_code,
136 Code* new_code); 136 Code* new_code);
137 void ProcessRelocInfos(ZoneList<RelocInfo>* infos); 137 void ProcessRelocInfos(ZoneList<RelocInfo>* infos);
138 138
139 // Returns an element from the backing store. Returns undefined if 139 // Returns an element from the backing store. Returns undefined if
140 // there is no information. 140 // there is no information.
141 Handle<Object> GetInfo(TypeFeedbackId id); 141 Handle<Object> GetInfo(TypeFeedbackId id);
142 142
143 // Returns an element from the type feedback vector. Returns undefined 143 // Returns an element from the type feedback vector. Returns undefined
144 // if there is no information. 144 // if there is no information.
145 Handle<Object> GetInfo(FeedbackVectorSlot slot); 145 Handle<Object> GetInfo(FeedbackVectorSlot slot);
146 Handle<Object> GetInfo(FeedbackVectorICSlot slot);
147 146
148 private: 147 private:
149 Handle<Context> native_context_; 148 Handle<Context> native_context_;
150 Isolate* isolate_; 149 Isolate* isolate_;
151 Zone* zone_; 150 Zone* zone_;
152 Handle<UnseededNumberDictionary> dictionary_; 151 Handle<UnseededNumberDictionary> dictionary_;
153 Handle<TypeFeedbackVector> feedback_vector_; 152 Handle<TypeFeedbackVector> feedback_vector_;
154 153
155 DISALLOW_COPY_AND_ASSIGN(TypeFeedbackOracle); 154 DISALLOW_COPY_AND_ASSIGN(TypeFeedbackOracle);
156 }; 155 };
157 156
158 } // namespace internal 157 } // namespace internal
159 } // namespace v8 158 } // namespace v8
160 159
161 #endif // V8_TYPE_INFO_H_ 160 #endif // V8_TYPE_INFO_H_
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