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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 // Redistribution and use in source and binary forms, with or without | 2 // Redistribution and use in source and binary forms, with or without |
3 // modification, are permitted provided that the following conditions are | 3 // modification, are permitted provided that the following conditions are |
4 // met: | 4 // met: |
5 // | 5 // |
6 // * Redistributions of source code must retain the above copyright | 6 // * Redistributions of source code must retain the above copyright |
7 // notice, this list of conditions and the following disclaimer. | 7 // notice, this list of conditions and the following disclaimer. |
8 // * Redistributions in binary form must reproduce the above | 8 // * Redistributions in binary form must reproduce the above |
9 // copyright notice, this list of conditions and the following | 9 // copyright notice, this list of conditions and the following |
10 // disclaimer in the documentation and/or other materials provided | 10 // disclaimer in the documentation and/or other materials provided |
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121 if (!preliminary_checks) return false; | 121 if (!preliminary_checks) return false; |
122 Map* map = code->FindFirstMap(); | 122 Map* map = code->FindFirstMap(); |
123 if (map == NULL) return false; | 123 if (map == NULL) return false; |
124 map = map->CurrentMapForDeprecated(); | 124 map = map->CurrentMapForDeprecated(); |
125 return map != NULL && !CanRetainOtherContext(map, *native_context_); | 125 return map != NULL && !CanRetainOtherContext(map, *native_context_); |
126 } | 126 } |
127 return false; | 127 return false; |
128 } | 128 } |
129 | 129 |
130 | 130 |
131 bool TypeFeedbackOracle::LoadIsPreMonomorphic(Property* expr) { | |
132 Handle<Object> map_or_code = GetInfo(expr->PropertyFeedbackId()); | |
133 if (map_or_code->IsCode()) { | |
134 Handle<Code> code = Handle<Code>::cast(map_or_code); | |
135 return code->ic_state() == PREMONOMORPHIC; | |
136 } | |
137 return false; | |
138 } | |
139 | |
140 | |
141 bool TypeFeedbackOracle::LoadIsPolymorphic(Property* expr) { | 131 bool TypeFeedbackOracle::LoadIsPolymorphic(Property* expr) { |
142 Handle<Object> map_or_code = GetInfo(expr->PropertyFeedbackId()); | 132 Handle<Object> map_or_code = GetInfo(expr->PropertyFeedbackId()); |
143 if (map_or_code->IsCode()) { | 133 if (map_or_code->IsCode()) { |
144 Handle<Code> code = Handle<Code>::cast(map_or_code); | 134 Handle<Code> code = Handle<Code>::cast(map_or_code); |
145 return code->is_keyed_load_stub() && code->ic_state() == POLYMORPHIC; | 135 return code->is_keyed_load_stub() && code->ic_state() == POLYMORPHIC; |
146 } | 136 } |
147 return false; | 137 return false; |
148 } | 138 } |
149 | 139 |
150 | 140 |
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169 if (!preliminary_checks) return false; | 159 if (!preliminary_checks) return false; |
170 Map* map = code->FindFirstMap(); | 160 Map* map = code->FindFirstMap(); |
171 if (map == NULL) return false; | 161 if (map == NULL) return false; |
172 map = map->CurrentMapForDeprecated(); | 162 map = map->CurrentMapForDeprecated(); |
173 return map != NULL && !CanRetainOtherContext(map, *native_context_); | 163 return map != NULL && !CanRetainOtherContext(map, *native_context_); |
174 } | 164 } |
175 return false; | 165 return false; |
176 } | 166 } |
177 | 167 |
178 | 168 |
179 bool TypeFeedbackOracle::StoreIsPreMonomorphic(TypeFeedbackId ast_id) { | |
180 Handle<Object> map_or_code = GetInfo(ast_id); | |
181 if (map_or_code->IsCode()) { | |
182 Handle<Code> code = Handle<Code>::cast(map_or_code); | |
183 return code->ic_state() == PREMONOMORPHIC; | |
184 } | |
185 return false; | |
186 } | |
187 | |
188 | |
189 bool TypeFeedbackOracle::StoreIsKeyedPolymorphic(TypeFeedbackId ast_id) { | 169 bool TypeFeedbackOracle::StoreIsKeyedPolymorphic(TypeFeedbackId ast_id) { |
190 Handle<Object> map_or_code = GetInfo(ast_id); | 170 Handle<Object> map_or_code = GetInfo(ast_id); |
191 if (map_or_code->IsCode()) { | 171 if (map_or_code->IsCode()) { |
192 Handle<Code> code = Handle<Code>::cast(map_or_code); | 172 Handle<Code> code = Handle<Code>::cast(map_or_code); |
193 return code->is_keyed_store_stub() && | 173 return code->is_keyed_store_stub() && |
194 code->ic_state() == POLYMORPHIC; | 174 code->ic_state() == POLYMORPHIC; |
195 } | 175 } |
196 return false; | 176 return false; |
197 } | 177 } |
198 | 178 |
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635 if (feedback != NULL) SetInfo(ast_id, feedback); | 615 if (feedback != NULL) SetInfo(ast_id, feedback); |
636 } | 616 } |
637 } | 617 } |
638 } else { | 618 } else { |
639 SetInfo(ast_id, target); | 619 SetInfo(ast_id, target); |
640 } | 620 } |
641 break; | 621 break; |
642 | 622 |
643 case Code::KEYED_LOAD_IC: | 623 case Code::KEYED_LOAD_IC: |
644 case Code::KEYED_STORE_IC: | 624 case Code::KEYED_STORE_IC: |
| 625 if (target->ic_state() == MONOMORPHIC || |
| 626 target->ic_state() == POLYMORPHIC) { |
| 627 SetInfo(ast_id, target); |
| 628 } |
| 629 break; |
| 630 |
645 case Code::BINARY_OP_IC: | 631 case Code::BINARY_OP_IC: |
646 case Code::COMPARE_IC: | 632 case Code::COMPARE_IC: |
647 case Code::TO_BOOLEAN_IC: | 633 case Code::TO_BOOLEAN_IC: |
648 case Code::COMPARE_NIL_IC: | 634 case Code::COMPARE_NIL_IC: |
649 SetInfo(ast_id, target); | 635 SetInfo(ast_id, target); |
650 break; | 636 break; |
651 | 637 |
652 default: | 638 default: |
653 break; | 639 break; |
654 } | 640 } |
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694 if (info.IsUninitialized()) return Representation::None(); | 680 if (info.IsUninitialized()) return Representation::None(); |
695 if (info.IsSmi()) return Representation::Smi(); | 681 if (info.IsSmi()) return Representation::Smi(); |
696 if (info.IsInteger32()) return Representation::Integer32(); | 682 if (info.IsInteger32()) return Representation::Integer32(); |
697 if (info.IsDouble()) return Representation::Double(); | 683 if (info.IsDouble()) return Representation::Double(); |
698 if (info.IsNumber()) return Representation::Double(); | 684 if (info.IsNumber()) return Representation::Double(); |
699 return Representation::Tagged(); | 685 return Representation::Tagged(); |
700 } | 686 } |
701 | 687 |
702 | 688 |
703 } } // namespace v8::internal | 689 } } // namespace v8::internal |
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