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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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5211 offset_(offset) { | 5211 offset_(offset) { |
5212 ASSERT(object != NULL); | 5212 ASSERT(object != NULL); |
5213 SetOperandAt(0, object); | 5213 SetOperandAt(0, object); |
5214 SetOperandAt(1, typecheck != NULL ? typecheck : object); | 5214 SetOperandAt(1, typecheck != NULL ? typecheck : object); |
5215 | 5215 |
5216 if (FLAG_track_fields && field_representation.IsSmi()) { | 5216 if (FLAG_track_fields && field_representation.IsSmi()) { |
5217 set_type(HType::Smi()); | 5217 set_type(HType::Smi()); |
5218 set_representation(Representation::Tagged()); | 5218 set_representation(Representation::Tagged()); |
5219 } else if (FLAG_track_double_fields && field_representation.IsDouble()) { | 5219 } else if (FLAG_track_double_fields && field_representation.IsDouble()) { |
5220 set_representation(field_representation); | 5220 set_representation(field_representation); |
| 5221 } else if (FLAG_track_heap_object_fields && |
| 5222 field_representation.IsHeapObject()) { |
| 5223 set_type(HType::NonPrimitive()); |
| 5224 set_representation(Representation::Tagged()); |
5221 } else { | 5225 } else { |
5222 set_representation(Representation::Tagged()); | 5226 set_representation(Representation::Tagged()); |
5223 } | 5227 } |
5224 SetFlag(kUseGVN); | 5228 SetFlag(kUseGVN); |
5225 if (FLAG_track_double_fields && representation().IsDouble()) { | 5229 if (FLAG_track_double_fields && representation().IsDouble()) { |
5226 ASSERT(is_in_object); | 5230 ASSERT(is_in_object); |
5227 ASSERT(offset == HeapNumber::kValueOffset); | 5231 ASSERT(offset == HeapNumber::kValueOffset); |
5228 SetGVNFlag(kDependsOnDoubleFields); | 5232 SetGVNFlag(kDependsOnDoubleFields); |
5229 } else if (is_in_object) { | 5233 } else if (is_in_object) { |
5230 SetGVNFlag(kDependsOnInobjectFields); | 5234 SetGVNFlag(kDependsOnInobjectFields); |
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6462 virtual bool IsDeletable() const { return true; } | 6466 virtual bool IsDeletable() const { return true; } |
6463 }; | 6467 }; |
6464 | 6468 |
6465 | 6469 |
6466 #undef DECLARE_INSTRUCTION | 6470 #undef DECLARE_INSTRUCTION |
6467 #undef DECLARE_CONCRETE_INSTRUCTION | 6471 #undef DECLARE_CONCRETE_INSTRUCTION |
6468 | 6472 |
6469 } } // namespace v8::internal | 6473 } } // namespace v8::internal |
6470 | 6474 |
6471 #endif // V8_HYDROGEN_INSTRUCTIONS_H_ | 6475 #endif // V8_HYDROGEN_INSTRUCTIONS_H_ |
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