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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/globals.h" | 9 #include "src/globals.h" |
| 10 #include "src/types.h" | 10 #include "src/types.h" |
| 11 #include "src/zone-inl.h" | 11 #include "src/zone-inl.h" |
| 12 | 12 |
| 13 namespace v8 { | 13 namespace v8 { |
| 14 namespace internal { | 14 namespace internal { |
| 15 | 15 |
| 16 // Forward declarations. | 16 // Forward declarations. |
| 17 class SmallMapList; | 17 class SmallMapList; |
| 18 | 18 |
| 19 | 19 |
| 20 class TypeFeedbackOracle: public ZoneObject { | 20 class TypeFeedbackOracle: public ZoneObject { |
| 21 public: | 21 public: |
| 22 TypeFeedbackOracle(Handle<Code> code, | 22 TypeFeedbackOracle(Handle<Code> code, |
| 23 Handle<TypeFeedbackVector> feedback_vector, | 23 Handle<TypeFeedbackVector> feedback_vector, |
| 24 Handle<Context> native_context, Zone* zone); | 24 Handle<Context> native_context, Zone* zone); |
| 25 | 25 |
| 26 bool LoadIsUninitialized(TypeFeedbackId id); | 26 bool LoadIsUninitialized(TypeFeedbackId id); |
| 27 bool StoreIsUninitialized(TypeFeedbackId id); | 27 bool StoreIsUninitialized(TypeFeedbackId id); |
| 28 bool CallIsMonomorphic(FeedbackVectorSlot slot); | 28 bool CallIsMonomorphic(FeedbackVectorICSlot slot); |
| 29 bool CallIsMonomorphic(TypeFeedbackId aid); | |
| 30 bool KeyedArrayCallIsHoley(TypeFeedbackId id); | 29 bool KeyedArrayCallIsHoley(TypeFeedbackId id); |
| 31 bool CallNewIsMonomorphic(FeedbackVectorSlot slot); | 30 bool CallNewIsMonomorphic(FeedbackVectorSlot slot); |
| 32 | 31 |
| 33 // TODO(1571) We can't use ForInStatement::ForInType as the return value due | 32 // TODO(1571) We can't use ForInStatement::ForInType as the return value due |
| 34 // to various cycles in our headers. | 33 // to various cycles in our headers. |
| 35 // TODO(rossberg): once all oracle access is removed from ast.cc, it should | 34 // TODO(rossberg): once all oracle access is removed from ast.cc, it should |
| 36 // be possible. | 35 // be possible. |
| 37 byte ForInType(FeedbackVectorSlot feedback_vector_slot); | 36 byte ForInType(FeedbackVectorSlot feedback_vector_slot); |
| 38 | 37 |
| 39 void GetStoreModeAndKeyType(TypeFeedbackId id, | 38 void GetStoreModeAndKeyType(TypeFeedbackId id, |
| (...skipping 15 matching lines...) Expand all Loading... |
| 55 void CountReceiverTypes(TypeFeedbackId id, | 54 void CountReceiverTypes(TypeFeedbackId id, |
| 56 SmallMapList* receiver_types); | 55 SmallMapList* receiver_types); |
| 57 | 56 |
| 58 void CollectReceiverTypes(TypeFeedbackId id, | 57 void CollectReceiverTypes(TypeFeedbackId id, |
| 59 SmallMapList* types); | 58 SmallMapList* types); |
| 60 | 59 |
| 61 static bool CanRetainOtherContext(Map* map, Context* native_context); | 60 static bool CanRetainOtherContext(Map* map, Context* native_context); |
| 62 static bool CanRetainOtherContext(JSFunction* function, | 61 static bool CanRetainOtherContext(JSFunction* function, |
| 63 Context* native_context); | 62 Context* native_context); |
| 64 | 63 |
| 65 Handle<JSFunction> GetCallTarget(FeedbackVectorSlot slot); | 64 Handle<JSFunction> GetCallTarget(FeedbackVectorICSlot slot); |
| 66 Handle<AllocationSite> GetCallAllocationSite(FeedbackVectorSlot slot); | 65 Handle<AllocationSite> GetCallAllocationSite(FeedbackVectorICSlot slot); |
| 67 Handle<JSFunction> GetCallNewTarget(FeedbackVectorSlot slot); | 66 Handle<JSFunction> GetCallNewTarget(FeedbackVectorSlot slot); |
| 68 Handle<AllocationSite> GetCallNewAllocationSite(FeedbackVectorSlot slot); | 67 Handle<AllocationSite> GetCallNewAllocationSite(FeedbackVectorSlot slot); |
| 69 | 68 |
| 70 bool LoadIsBuiltin(TypeFeedbackId id, Builtins::Name builtin_id); | 69 bool LoadIsBuiltin(TypeFeedbackId id, Builtins::Name builtin_id); |
| 71 | 70 |
| 72 // TODO(1571) We can't use ToBooleanStub::Types as the return value because | 71 // TODO(1571) We can't use ToBooleanStub::Types as the return value because |
| 73 // of various cycles in our headers. Death to tons of implementations in | 72 // of various cycles in our headers. Death to tons of implementations in |
| 74 // headers!! :-P | 73 // headers!! :-P |
| 75 byte ToBooleanTypes(TypeFeedbackId id); | 74 byte ToBooleanTypes(TypeFeedbackId id); |
| 76 | 75 |
| (...skipping 32 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
| 109 Code* new_code); | 108 Code* new_code); |
| 110 void ProcessRelocInfos(ZoneList<RelocInfo>* infos); | 109 void ProcessRelocInfos(ZoneList<RelocInfo>* infos); |
| 111 | 110 |
| 112 // Returns an element from the backing store. Returns undefined if | 111 // Returns an element from the backing store. Returns undefined if |
| 113 // there is no information. | 112 // there is no information. |
| 114 Handle<Object> GetInfo(TypeFeedbackId id); | 113 Handle<Object> GetInfo(TypeFeedbackId id); |
| 115 | 114 |
| 116 // Returns an element from the type feedback vector. Returns undefined | 115 // Returns an element from the type feedback vector. Returns undefined |
| 117 // if there is no information. | 116 // if there is no information. |
| 118 Handle<Object> GetInfo(FeedbackVectorSlot slot); | 117 Handle<Object> GetInfo(FeedbackVectorSlot slot); |
| 118 Handle<Object> GetInfo(FeedbackVectorICSlot slot); |
| 119 | 119 |
| 120 private: | 120 private: |
| 121 Handle<Context> native_context_; | 121 Handle<Context> native_context_; |
| 122 Zone* zone_; | 122 Zone* zone_; |
| 123 Handle<UnseededNumberDictionary> dictionary_; | 123 Handle<UnseededNumberDictionary> dictionary_; |
| 124 Handle<TypeFeedbackVector> feedback_vector_; | 124 Handle<TypeFeedbackVector> feedback_vector_; |
| 125 | 125 |
| 126 DISALLOW_COPY_AND_ASSIGN(TypeFeedbackOracle); | 126 DISALLOW_COPY_AND_ASSIGN(TypeFeedbackOracle); |
| 127 }; | 127 }; |
| 128 | 128 |
| 129 } } // namespace v8::internal | 129 } } // namespace v8::internal |
| 130 | 130 |
| 131 #endif // V8_TYPE_INFO_H_ | 131 #endif // V8_TYPE_INFO_H_ |
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