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

Issue 1424153003: VectorICs: Remove --vector-stores flag. (Closed) Base URL: https://chromium.googlesource.com/v8/v8.git@master
Patch Set: Response to Hannes comment. Created 5 years, 1 month 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);
29 InlineCacheState LoadInlineCacheState(FeedbackVectorSlot slot); 28 InlineCacheState LoadInlineCacheState(FeedbackVectorSlot slot);
30 bool StoreIsUninitialized(TypeFeedbackId id);
31 bool StoreIsUninitialized(FeedbackVectorSlot slot); 29 bool StoreIsUninitialized(FeedbackVectorSlot slot);
32 bool CallIsUninitialized(FeedbackVectorSlot slot); 30 bool CallIsUninitialized(FeedbackVectorSlot slot);
33 bool CallIsMonomorphic(FeedbackVectorSlot slot); 31 bool CallIsMonomorphic(FeedbackVectorSlot slot);
34 bool KeyedArrayCallIsHoley(TypeFeedbackId id);
35 bool CallNewIsMonomorphic(FeedbackVectorSlot slot); 32 bool CallNewIsMonomorphic(FeedbackVectorSlot slot);
36 33
37 // TODO(1571) We can't use ForInStatement::ForInType as the return value due 34 // TODO(1571) We can't use ForInStatement::ForInType as the return value due
38 // to various cycles in our headers. 35 // to various cycles in our headers.
39 // TODO(rossberg): once all oracle access is removed from ast.cc, it should 36 // TODO(rossberg): once all oracle access is removed from ast.cc, it should
40 // be possible. 37 // be possible.
41 byte ForInType(FeedbackVectorSlot feedback_vector_slot); 38 byte ForInType(FeedbackVectorSlot feedback_vector_slot);
42 39
43 void GetStoreModeAndKeyType(TypeFeedbackId id,
44 KeyedAccessStoreMode* store_mode,
45 IcCheckType* key_type);
46 void GetStoreModeAndKeyType(FeedbackVectorSlot slot, 40 void GetStoreModeAndKeyType(FeedbackVectorSlot slot,
47 KeyedAccessStoreMode* store_mode, 41 KeyedAccessStoreMode* store_mode,
48 IcCheckType* key_type); 42 IcCheckType* key_type);
49 43
50 void PropertyReceiverTypes(FeedbackVectorSlot slot, Handle<Name> name, 44 void PropertyReceiverTypes(FeedbackVectorSlot slot, Handle<Name> name,
51 SmallMapList* receiver_types); 45 SmallMapList* receiver_types);
52 void KeyedPropertyReceiverTypes(FeedbackVectorSlot slot, 46 void KeyedPropertyReceiverTypes(FeedbackVectorSlot slot,
53 SmallMapList* receiver_types, bool* is_string, 47 SmallMapList* receiver_types, bool* is_string,
54 IcCheckType* key_type); 48 IcCheckType* key_type);
55 void AssignmentReceiverTypes(TypeFeedbackId id, Handle<Name> name,
56 SmallMapList* receiver_types);
57 void AssignmentReceiverTypes(FeedbackVectorSlot slot, Handle<Name> name, 49 void AssignmentReceiverTypes(FeedbackVectorSlot slot, Handle<Name> name,
58 SmallMapList* receiver_types); 50 SmallMapList* receiver_types);
59 void KeyedAssignmentReceiverTypes(TypeFeedbackId id,
60 SmallMapList* receiver_types,
61 KeyedAccessStoreMode* store_mode,
62 IcCheckType* key_type);
63 void KeyedAssignmentReceiverTypes(FeedbackVectorSlot slot, 51 void KeyedAssignmentReceiverTypes(FeedbackVectorSlot slot,
64 SmallMapList* receiver_types, 52 SmallMapList* receiver_types,
65 KeyedAccessStoreMode* store_mode, 53 KeyedAccessStoreMode* store_mode,
66 IcCheckType* key_type); 54 IcCheckType* key_type);
67 void CountReceiverTypes(TypeFeedbackId id,
68 SmallMapList* receiver_types);
69 void CountReceiverTypes(FeedbackVectorSlot slot, 55 void CountReceiverTypes(FeedbackVectorSlot slot,
70 SmallMapList* receiver_types); 56 SmallMapList* receiver_types);
71 57
72 void CollectReceiverTypes(FeedbackVectorSlot slot, SmallMapList* types); 58 void CollectReceiverTypes(FeedbackVectorSlot slot, SmallMapList* types);
73 void CollectReceiverTypes(TypeFeedbackId id,
74 SmallMapList* types);
75 template <class T> 59 template <class T>
76 void CollectReceiverTypes(T* obj, SmallMapList* types); 60 void CollectReceiverTypes(T* obj, SmallMapList* types);
77 61
78 static bool IsRelevantFeedback(Map* map, Context* native_context) { 62 static bool IsRelevantFeedback(Map* map, Context* native_context) {
79 Object* constructor = map->GetConstructor(); 63 Object* constructor = map->GetConstructor();
80 return !constructor->IsJSFunction() || 64 return !constructor->IsJSFunction() ||
81 JSFunction::cast(constructor)->context()->native_context() == 65 JSFunction::cast(constructor)->context()->native_context() ==
82 native_context; 66 native_context;
83 } 67 }
84 68
85 Handle<JSFunction> GetCallTarget(FeedbackVectorSlot slot); 69 Handle<JSFunction> GetCallTarget(FeedbackVectorSlot slot);
86 Handle<AllocationSite> GetCallAllocationSite(FeedbackVectorSlot slot); 70 Handle<AllocationSite> GetCallAllocationSite(FeedbackVectorSlot slot);
87 Handle<JSFunction> GetCallNewTarget(FeedbackVectorSlot slot); 71 Handle<JSFunction> GetCallNewTarget(FeedbackVectorSlot slot);
88 Handle<AllocationSite> GetCallNewAllocationSite(FeedbackVectorSlot slot); 72 Handle<AllocationSite> GetCallNewAllocationSite(FeedbackVectorSlot slot);
89 73
90 bool LoadIsBuiltin(TypeFeedbackId id, Builtins::Name builtin_id);
91
92 // TODO(1571) We can't use ToBooleanStub::Types as the return value because 74 // 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 75 // of various cycles in our headers. Death to tons of implementations in
94 // headers!! :-P 76 // headers!! :-P
95 uint16_t ToBooleanTypes(TypeFeedbackId id); 77 uint16_t ToBooleanTypes(TypeFeedbackId id);
96 78
97 // Get type information for arithmetic operations and compares. 79 // Get type information for arithmetic operations and compares.
98 void BinaryType(TypeFeedbackId id, 80 void BinaryType(TypeFeedbackId id,
99 Type** left, 81 Type** left,
100 Type** right, 82 Type** right,
101 Type** result, 83 Type** result,
102 Maybe<int>* fixed_right_arg, 84 Maybe<int>* fixed_right_arg,
103 Handle<AllocationSite>* allocation_site, 85 Handle<AllocationSite>* allocation_site,
104 Token::Value operation); 86 Token::Value operation);
105 87
106 void CompareType(TypeFeedbackId id, 88 void CompareType(TypeFeedbackId id,
107 Type** left, 89 Type** left,
108 Type** right, 90 Type** right,
109 Type** combined); 91 Type** combined);
110 92
111 Type* CountType(TypeFeedbackId id); 93 Type* CountType(TypeFeedbackId id);
112 94
113 Zone* zone() const { return zone_; } 95 Zone* zone() const { return zone_; }
114 Isolate* isolate() const { return isolate_; } 96 Isolate* isolate() const { return isolate_; }
115 97
116 private: 98 private:
117 void CollectReceiverTypes(FeedbackVectorSlot slot, Handle<Name> name, 99 void CollectReceiverTypes(FeedbackVectorSlot slot, Handle<Name> name,
118 Code::Flags flags, SmallMapList* types); 100 Code::Flags flags, SmallMapList* types);
119 void CollectReceiverTypes(TypeFeedbackId id, Handle<Name> name,
120 Code::Flags flags, SmallMapList* types);
121 template <class T> 101 template <class T>
122 void CollectReceiverTypes(T* obj, Handle<Name> name, Code::Flags flags, 102 void CollectReceiverTypes(T* obj, Handle<Name> name, Code::Flags flags,
123 SmallMapList* types); 103 SmallMapList* types);
124 104
125 // Returns true if there is at least one string map and if 105 // Returns true if there is at least one string map and if
126 // all maps are string maps. 106 // all maps are string maps.
127 bool HasOnlyStringMaps(SmallMapList* receiver_types); 107 bool HasOnlyStringMaps(SmallMapList* receiver_types);
128 108
129 void SetInfo(TypeFeedbackId id, Object* target); 109 void SetInfo(TypeFeedbackId id, Object* target);
130 110
(...skipping 20 matching lines...) Expand all
151 Handle<UnseededNumberDictionary> dictionary_; 131 Handle<UnseededNumberDictionary> dictionary_;
152 Handle<TypeFeedbackVector> feedback_vector_; 132 Handle<TypeFeedbackVector> feedback_vector_;
153 133
154 DISALLOW_COPY_AND_ASSIGN(TypeFeedbackOracle); 134 DISALLOW_COPY_AND_ASSIGN(TypeFeedbackOracle);
155 }; 135 };
156 136
157 } // namespace internal 137 } // namespace internal
158 } // namespace v8 138 } // namespace v8
159 139
160 #endif // V8_TYPE_INFO_H_ 140 #endif // V8_TYPE_INFO_H_
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