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1 // Copyright 2014 the V8 project authors. All rights reserved. | 1 // Copyright 2014 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 #include "src/type-feedback-vector.h" | 5 #include "src/type-feedback-vector.h" |
6 | 6 |
7 #include "src/code-stubs.h" | 7 #include "src/code-stubs.h" |
8 #include "src/ic/ic.h" | 8 #include "src/ic/ic.h" |
9 #include "src/ic/ic-state.h" | 9 #include "src/ic/ic-state.h" |
10 #include "src/objects.h" | 10 #include "src/objects.h" |
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153 | 153 |
154 | 154 |
155 // static | 155 // static |
156 int TypeFeedbackVector::GetIndexFromSpec(const FeedbackVectorSpec* spec, | 156 int TypeFeedbackVector::GetIndexFromSpec(const FeedbackVectorSpec* spec, |
157 FeedbackVectorSlot slot) { | 157 FeedbackVectorSlot slot) { |
158 return kReservedIndexCount + slot.ToInt(); | 158 return kReservedIndexCount + slot.ToInt(); |
159 } | 159 } |
160 | 160 |
161 | 161 |
162 // static | 162 // static |
163 int TypeFeedbackVector::PushAppliedArgumentsIndex() { | |
164 return kReservedIndexCount; | |
165 } | |
166 | |
167 | |
168 // static | |
169 Handle<TypeFeedbackVector> TypeFeedbackVector::CreatePushAppliedArgumentsVector( | |
170 Isolate* isolate) { | |
171 StaticFeedbackVectorSpec spec; | |
172 FeedbackVectorSlot slot = spec.AddKeyedLoadICSlot(); | |
173 // TODO(ishell): allocate this metadata only once. | |
174 Handle<TypeFeedbackMetadata> feedback_metadata = | |
175 TypeFeedbackMetadata::New(isolate, &spec); | |
176 Handle<TypeFeedbackVector> feedback_vector = | |
177 TypeFeedbackVector::New(isolate, feedback_metadata); | |
178 DCHECK_EQ(PushAppliedArgumentsIndex(), feedback_vector->GetIndex(slot)); | |
179 USE(slot); | |
180 return feedback_vector; | |
181 } | |
182 | |
183 | |
184 // static | |
185 Handle<TypeFeedbackVector> TypeFeedbackVector::Copy( | 163 Handle<TypeFeedbackVector> TypeFeedbackVector::Copy( |
186 Isolate* isolate, Handle<TypeFeedbackVector> vector) { | 164 Isolate* isolate, Handle<TypeFeedbackVector> vector) { |
187 Handle<TypeFeedbackVector> result; | 165 Handle<TypeFeedbackVector> result; |
188 result = Handle<TypeFeedbackVector>::cast( | 166 result = Handle<TypeFeedbackVector>::cast( |
189 isolate->factory()->CopyFixedArray(Handle<FixedArray>::cast(vector))); | 167 isolate->factory()->CopyFixedArray(Handle<FixedArray>::cast(vector))); |
190 return result; | 168 return result; |
191 } | 169 } |
192 | 170 |
193 | 171 |
194 // This logic is copied from | 172 // This logic is copied from |
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841 return mode; | 819 return mode; |
842 } | 820 } |
843 | 821 |
844 | 822 |
845 IcCheckType KeyedStoreICNexus::GetKeyType() const { | 823 IcCheckType KeyedStoreICNexus::GetKeyType() const { |
846 // The structure of the vector slots tells us the type. | 824 // The structure of the vector slots tells us the type. |
847 return GetFeedback()->IsName() ? PROPERTY : ELEMENT; | 825 return GetFeedback()->IsName() ? PROPERTY : ELEMENT; |
848 } | 826 } |
849 } // namespace internal | 827 } // namespace internal |
850 } // namespace v8 | 828 } // namespace v8 |
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