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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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193 return code->is_keyed_store_stub() && | 193 return code->is_keyed_store_stub() && |
194 code->ic_state() == POLYMORPHIC; | 194 code->ic_state() == POLYMORPHIC; |
195 } | 195 } |
196 return false; | 196 return false; |
197 } | 197 } |
198 | 198 |
199 | 199 |
200 bool TypeFeedbackOracle::CallIsMonomorphic(Call* expr) { | 200 bool TypeFeedbackOracle::CallIsMonomorphic(Call* expr) { |
201 Handle<Object> value = GetInfo(expr->CallFeedbackId()); | 201 Handle<Object> value = GetInfo(expr->CallFeedbackId()); |
202 return value->IsMap() || value->IsAllocationSite() || value->IsJSFunction() || | 202 return value->IsMap() || value->IsAllocationSite() || value->IsJSFunction() || |
203 value->IsSmi(); | 203 value->IsSmi() || |
| 204 (value->IsCode() && Handle<Code>::cast(value)->ic_state() == MONOMORPHIC); |
204 } | 205 } |
205 | 206 |
206 | 207 |
| 208 bool TypeFeedbackOracle::KeyedArrayCallIsHoley(Call* expr) { |
| 209 Handle<Object> value = GetInfo(expr->CallFeedbackId()); |
| 210 Handle<Code> code = Handle<Code>::cast(value); |
| 211 return KeyedArrayCallStub::IsHoley(code); |
| 212 } |
| 213 |
| 214 |
207 bool TypeFeedbackOracle::CallNewIsMonomorphic(CallNew* expr) { | 215 bool TypeFeedbackOracle::CallNewIsMonomorphic(CallNew* expr) { |
208 Handle<Object> info = GetInfo(expr->CallNewFeedbackId()); | 216 Handle<Object> info = GetInfo(expr->CallNewFeedbackId()); |
209 return info->IsAllocationSite() || info->IsJSFunction(); | 217 return info->IsAllocationSite() || info->IsJSFunction(); |
210 } | 218 } |
211 | 219 |
212 | 220 |
213 bool TypeFeedbackOracle::ObjectLiteralStoreIsMonomorphic( | 221 bool TypeFeedbackOracle::ObjectLiteralStoreIsMonomorphic( |
214 ObjectLiteral::Property* prop) { | 222 ObjectLiteral::Property* prop) { |
215 Handle<Object> map_or_code = GetInfo(prop->key()->LiteralFeedbackId()); | 223 Handle<Object> map_or_code = GetInfo(prop->key()->LiteralFeedbackId()); |
216 return map_or_code->IsMap(); | 224 return map_or_code->IsMap(); |
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613 for (int i = 0; i < infos->length(); i++) { | 621 for (int i = 0; i < infos->length(); i++) { |
614 RelocInfo reloc_entry = (*infos)[i]; | 622 RelocInfo reloc_entry = (*infos)[i]; |
615 Address target_address = reloc_entry.target_address(); | 623 Address target_address = reloc_entry.target_address(); |
616 TypeFeedbackId ast_id = | 624 TypeFeedbackId ast_id = |
617 TypeFeedbackId(static_cast<unsigned>((*infos)[i].data())); | 625 TypeFeedbackId(static_cast<unsigned>((*infos)[i].data())); |
618 Code* target = Code::GetCodeFromTargetAddress(target_address); | 626 Code* target = Code::GetCodeFromTargetAddress(target_address); |
619 switch (target->kind()) { | 627 switch (target->kind()) { |
620 case Code::LOAD_IC: | 628 case Code::LOAD_IC: |
621 case Code::STORE_IC: | 629 case Code::STORE_IC: |
622 case Code::CALL_IC: | 630 case Code::CALL_IC: |
623 case Code::KEYED_CALL_IC: | |
624 if (target->ic_state() == MONOMORPHIC) { | 631 if (target->ic_state() == MONOMORPHIC) { |
625 if (target->kind() == Code::CALL_IC && | 632 if (target->kind() == Code::CALL_IC && |
626 target->check_type() != RECEIVER_MAP_CHECK) { | 633 target->check_type() != RECEIVER_MAP_CHECK) { |
627 SetInfo(ast_id, Smi::FromInt(target->check_type())); | 634 SetInfo(ast_id, Smi::FromInt(target->check_type())); |
628 } else { | 635 } else { |
629 Object* map = target->FindFirstMap(); | 636 Object* map = target->FindFirstMap(); |
630 if (map == NULL) { | 637 if (map == NULL) { |
631 SetInfo(ast_id, static_cast<Object*>(target)); | 638 SetInfo(ast_id, static_cast<Object*>(target)); |
632 } else if (!CanRetainOtherContext(Map::cast(map), | 639 } else if (!CanRetainOtherContext(Map::cast(map), |
633 *native_context_)) { | 640 *native_context_)) { |
634 Map* feedback = Map::cast(map)->CurrentMapForDeprecated(); | 641 Map* feedback = Map::cast(map)->CurrentMapForDeprecated(); |
635 if (feedback != NULL) SetInfo(ast_id, feedback); | 642 if (feedback != NULL) SetInfo(ast_id, feedback); |
636 } | 643 } |
637 } | 644 } |
638 } else { | 645 } else { |
639 SetInfo(ast_id, target); | 646 SetInfo(ast_id, target); |
640 } | 647 } |
641 break; | 648 break; |
642 | 649 |
| 650 case Code::KEYED_CALL_IC: |
643 case Code::KEYED_LOAD_IC: | 651 case Code::KEYED_LOAD_IC: |
644 case Code::KEYED_STORE_IC: | 652 case Code::KEYED_STORE_IC: |
645 case Code::BINARY_OP_IC: | 653 case Code::BINARY_OP_IC: |
646 case Code::COMPARE_IC: | 654 case Code::COMPARE_IC: |
647 case Code::TO_BOOLEAN_IC: | 655 case Code::TO_BOOLEAN_IC: |
648 case Code::COMPARE_NIL_IC: | 656 case Code::COMPARE_NIL_IC: |
649 SetInfo(ast_id, target); | 657 SetInfo(ast_id, target); |
650 break; | 658 break; |
651 | 659 |
652 default: | 660 default: |
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694 if (info.IsUninitialized()) return Representation::None(); | 702 if (info.IsUninitialized()) return Representation::None(); |
695 if (info.IsSmi()) return Representation::Smi(); | 703 if (info.IsSmi()) return Representation::Smi(); |
696 if (info.IsInteger32()) return Representation::Integer32(); | 704 if (info.IsInteger32()) return Representation::Integer32(); |
697 if (info.IsDouble()) return Representation::Double(); | 705 if (info.IsDouble()) return Representation::Double(); |
698 if (info.IsNumber()) return Representation::Double(); | 706 if (info.IsNumber()) return Representation::Double(); |
699 return Representation::Tagged(); | 707 return Representation::Tagged(); |
700 } | 708 } |
701 | 709 |
702 | 710 |
703 } } // namespace v8::internal | 711 } } // namespace v8::internal |
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