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1 // Copyright 2013 the V8 project authors. All rights reserved. | 1 // Copyright 2013 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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1307 HValue* current_capacity = AddLoadFixedArrayLength(elements); | 1307 HValue* current_capacity = AddLoadFixedArrayLength(elements); |
1308 | 1308 |
1309 IfBuilder capacity_checker(this); | 1309 IfBuilder capacity_checker(this); |
1310 | 1310 |
1311 capacity_checker.If<HCompareNumericAndBranch>(key, current_capacity, | 1311 capacity_checker.If<HCompareNumericAndBranch>(key, current_capacity, |
1312 Token::GTE); | 1312 Token::GTE); |
1313 capacity_checker.Then(); | 1313 capacity_checker.Then(); |
1314 | 1314 |
1315 HValue* max_gap = Add<HConstant>(static_cast<int32_t>(JSObject::kMaxGap)); | 1315 HValue* max_gap = Add<HConstant>(static_cast<int32_t>(JSObject::kMaxGap)); |
1316 HValue* max_capacity = AddUncasted<HAdd>(current_capacity, max_gap); | 1316 HValue* max_capacity = AddUncasted<HAdd>(current_capacity, max_gap); |
1317 IfBuilder key_checker(this); | 1317 |
1318 key_checker.If<HCompareNumericAndBranch>(key, max_capacity, Token::LT); | 1318 Add<HBoundsCheck>(key, max_capacity); |
1319 key_checker.Then(); | |
1320 key_checker.ElseDeopt("Key out of capacity range"); | |
1321 key_checker.End(); | |
1322 | 1319 |
1323 HValue* new_capacity = BuildNewElementsCapacity(key); | 1320 HValue* new_capacity = BuildNewElementsCapacity(key); |
1324 HValue* new_elements = BuildGrowElementsCapacity(object, elements, | 1321 HValue* new_elements = BuildGrowElementsCapacity(object, elements, |
1325 kind, kind, length, | 1322 kind, kind, length, |
1326 new_capacity); | 1323 new_capacity); |
1327 | 1324 |
1328 environment()->Push(new_elements); | 1325 environment()->Push(new_elements); |
1329 capacity_checker.Else(); | 1326 capacity_checker.Else(); |
1330 | 1327 |
1331 environment()->Push(elements); | 1328 environment()->Push(elements); |
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11644 if (ShouldProduceTraceOutput()) { | 11641 if (ShouldProduceTraceOutput()) { |
11645 isolate()->GetHTracer()->TraceHydrogen(name(), graph_); | 11642 isolate()->GetHTracer()->TraceHydrogen(name(), graph_); |
11646 } | 11643 } |
11647 | 11644 |
11648 #ifdef DEBUG | 11645 #ifdef DEBUG |
11649 graph_->Verify(false); // No full verify. | 11646 graph_->Verify(false); // No full verify. |
11650 #endif | 11647 #endif |
11651 } | 11648 } |
11652 | 11649 |
11653 } } // namespace v8::internal | 11650 } } // namespace v8::internal |
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