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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->is_inline_cache_stub() && code->ic_state() == PREMONOMORPHIC; |
| 136 } |
| 137 return false; |
| 138 } |
| 139 |
| 140 |
131 bool TypeFeedbackOracle::LoadIsPolymorphic(Property* expr) { | 141 bool TypeFeedbackOracle::LoadIsPolymorphic(Property* expr) { |
132 Handle<Object> map_or_code = GetInfo(expr->PropertyFeedbackId()); | 142 Handle<Object> map_or_code = GetInfo(expr->PropertyFeedbackId()); |
133 if (map_or_code->IsCode()) { | 143 if (map_or_code->IsCode()) { |
134 Handle<Code> code = Handle<Code>::cast(map_or_code); | 144 Handle<Code> code = Handle<Code>::cast(map_or_code); |
135 return code->is_keyed_load_stub() && code->ic_state() == POLYMORPHIC; | 145 return code->is_keyed_load_stub() && code->ic_state() == POLYMORPHIC; |
136 } | 146 } |
137 return false; | 147 return false; |
138 } | 148 } |
139 | 149 |
140 | 150 |
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159 if (!preliminary_checks) return false; | 169 if (!preliminary_checks) return false; |
160 Map* map = code->FindFirstMap(); | 170 Map* map = code->FindFirstMap(); |
161 if (map == NULL) return false; | 171 if (map == NULL) return false; |
162 map = map->CurrentMapForDeprecated(); | 172 map = map->CurrentMapForDeprecated(); |
163 return map != NULL && !CanRetainOtherContext(map, *native_context_); | 173 return map != NULL && !CanRetainOtherContext(map, *native_context_); |
164 } | 174 } |
165 return false; | 175 return false; |
166 } | 176 } |
167 | 177 |
168 | 178 |
| 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 |
169 bool TypeFeedbackOracle::StoreIsKeyedPolymorphic(TypeFeedbackId ast_id) { | 189 bool TypeFeedbackOracle::StoreIsKeyedPolymorphic(TypeFeedbackId ast_id) { |
170 Handle<Object> map_or_code = GetInfo(ast_id); | 190 Handle<Object> map_or_code = GetInfo(ast_id); |
171 if (map_or_code->IsCode()) { | 191 if (map_or_code->IsCode()) { |
172 Handle<Code> code = Handle<Code>::cast(map_or_code); | 192 Handle<Code> code = Handle<Code>::cast(map_or_code); |
173 return code->is_keyed_store_stub() && | 193 return code->is_keyed_store_stub() && |
174 code->ic_state() == POLYMORPHIC; | 194 code->ic_state() == POLYMORPHIC; |
175 } | 195 } |
176 return false; | 196 return false; |
177 } | 197 } |
178 | 198 |
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615 if (feedback != NULL) SetInfo(ast_id, feedback); | 635 if (feedback != NULL) SetInfo(ast_id, feedback); |
616 } | 636 } |
617 } | 637 } |
618 } else { | 638 } else { |
619 SetInfo(ast_id, target); | 639 SetInfo(ast_id, target); |
620 } | 640 } |
621 break; | 641 break; |
622 | 642 |
623 case Code::KEYED_LOAD_IC: | 643 case Code::KEYED_LOAD_IC: |
624 case Code::KEYED_STORE_IC: | 644 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 | |
631 case Code::BINARY_OP_IC: | 645 case Code::BINARY_OP_IC: |
632 case Code::COMPARE_IC: | 646 case Code::COMPARE_IC: |
633 case Code::TO_BOOLEAN_IC: | 647 case Code::TO_BOOLEAN_IC: |
634 case Code::COMPARE_NIL_IC: | 648 case Code::COMPARE_NIL_IC: |
635 SetInfo(ast_id, target); | 649 SetInfo(ast_id, target); |
636 break; | 650 break; |
637 | 651 |
638 default: | 652 default: |
639 break; | 653 break; |
640 } | 654 } |
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680 if (info.IsUninitialized()) return Representation::None(); | 694 if (info.IsUninitialized()) return Representation::None(); |
681 if (info.IsSmi()) return Representation::Smi(); | 695 if (info.IsSmi()) return Representation::Smi(); |
682 if (info.IsInteger32()) return Representation::Integer32(); | 696 if (info.IsInteger32()) return Representation::Integer32(); |
683 if (info.IsDouble()) return Representation::Double(); | 697 if (info.IsDouble()) return Representation::Double(); |
684 if (info.IsNumber()) return Representation::Double(); | 698 if (info.IsNumber()) return Representation::Double(); |
685 return Representation::Tagged(); | 699 return Representation::Tagged(); |
686 } | 700 } |
687 | 701 |
688 | 702 |
689 } } // namespace v8::internal | 703 } } // namespace v8::internal |
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