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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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2598 SetFlag(kUseGVN); | 2598 SetFlag(kUseGVN); |
2599 SetFlag(kTrackSideEffectDominators); | 2599 SetFlag(kTrackSideEffectDominators); |
2600 SetGVNFlag(kDependsOnMaps); | 2600 SetGVNFlag(kDependsOnMaps); |
2601 SetGVNFlag(kDependsOnElementsKind); | 2601 SetGVNFlag(kDependsOnElementsKind); |
2602 } | 2602 } |
2603 | 2603 |
2604 void omit(CompilationInfo* info) { | 2604 void omit(CompilationInfo* info) { |
2605 omit_ = true; | 2605 omit_ = true; |
2606 for (int i = 0; i < map_set_.length(); i++) { | 2606 for (int i = 0; i < map_set_.length(); i++) { |
2607 Handle<Map> map = map_set_.at(i); | 2607 Handle<Map> map = map_set_.at(i); |
| 2608 if (!map->CanTransition()) continue; |
2608 map->AddDependentCompilationInfo(DependentCode::kPrototypeCheckGroup, | 2609 map->AddDependentCompilationInfo(DependentCode::kPrototypeCheckGroup, |
2609 info); | 2610 info); |
2610 } | 2611 } |
2611 } | 2612 } |
2612 | 2613 |
2613 bool omit_; | 2614 bool omit_; |
2614 bool has_migration_target_; | 2615 bool has_migration_target_; |
2615 SmallMapList map_set_; | 2616 SmallMapList map_set_; |
2616 ZoneList<UniqueValueId> map_unique_ids_; | 2617 ZoneList<UniqueValueId> map_unique_ids_; |
2617 }; | 2618 }; |
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3222 Factory* factory = Isolate::Current()->factory(); | 3223 Factory* factory = Isolate::Current()->factory(); |
3223 // Default arguments to is_not_in_new_space depend on this heap number | 3224 // Default arguments to is_not_in_new_space depend on this heap number |
3224 // to be tenured so that it's guaranteed not be be located in new space. | 3225 // to be tenured so that it's guaranteed not be be located in new space. |
3225 handle_ = factory->NewNumber(double_value_, TENURED); | 3226 handle_ = factory->NewNumber(double_value_, TENURED); |
3226 } | 3227 } |
3227 AllowDeferredHandleDereference smi_check; | 3228 AllowDeferredHandleDereference smi_check; |
3228 ASSERT(has_int32_value_ || !handle_->IsSmi()); | 3229 ASSERT(has_int32_value_ || !handle_->IsSmi()); |
3229 return handle_; | 3230 return handle_; |
3230 } | 3231 } |
3231 | 3232 |
3232 bool InstanceOf(Handle<Map> map) { | 3233 bool HasMap(Handle<Map> map) { |
3233 Handle<Object> constant_object = handle(); | 3234 Handle<Object> constant_object = handle(); |
3234 return constant_object->IsJSObject() && | 3235 return constant_object->IsHeapObject() && |
3235 Handle<JSObject>::cast(constant_object)->map() == *map; | 3236 Handle<HeapObject>::cast(constant_object)->map() == *map; |
3236 } | 3237 } |
3237 | 3238 |
3238 bool IsSpecialDouble() const { | 3239 bool IsSpecialDouble() const { |
3239 return has_double_value_ && | 3240 return has_double_value_ && |
3240 (BitCast<int64_t>(double_value_) == BitCast<int64_t>(-0.0) || | 3241 (BitCast<int64_t>(double_value_) == BitCast<int64_t>(-0.0) || |
3241 FixedDoubleArray::is_the_hole_nan(double_value_) || | 3242 FixedDoubleArray::is_the_hole_nan(double_value_) || |
3242 std::isnan(double_value_)); | 3243 std::isnan(double_value_)); |
3243 } | 3244 } |
3244 | 3245 |
3245 bool NotInNewSpace() const { | 3246 bool NotInNewSpace() const { |
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6788 virtual bool IsDeletable() const { return true; } | 6789 virtual bool IsDeletable() const { return true; } |
6789 }; | 6790 }; |
6790 | 6791 |
6791 | 6792 |
6792 #undef DECLARE_INSTRUCTION | 6793 #undef DECLARE_INSTRUCTION |
6793 #undef DECLARE_CONCRETE_INSTRUCTION | 6794 #undef DECLARE_CONCRETE_INSTRUCTION |
6794 | 6795 |
6795 } } // namespace v8::internal | 6796 } } // namespace v8::internal |
6796 | 6797 |
6797 #endif // V8_HYDROGEN_INSTRUCTIONS_H_ | 6798 #endif // V8_HYDROGEN_INSTRUCTIONS_H_ |
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