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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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| 317 | 317 |
| 318 HInstruction* allocation_site = | 318 HInstruction* allocation_site = |
| 319 AddInstruction(new(zone) HLoadKeyed(GetParameter(0), | 319 AddInstruction(new(zone) HLoadKeyed(GetParameter(0), |
| 320 GetParameter(1), | 320 GetParameter(1), |
| 321 NULL, | 321 NULL, |
| 322 FAST_ELEMENTS)); | 322 FAST_ELEMENTS)); |
| 323 IfBuilder checker(this); | 323 IfBuilder checker(this); |
| 324 checker.IfNot<HCompareObjectEqAndBranch, HValue*>(allocation_site, undefined); | 324 checker.IfNot<HCompareObjectEqAndBranch, HValue*>(allocation_site, undefined); |
| 325 checker.Then(); | 325 checker.Then(); |
| 326 | 326 |
| 327 HObjectAccess access = HObjectAccess::ForAllocationSiteInfoSite(); | 327 HObjectAccess access = HObjectAccess::ForAllocationSiteTransitionInfo(); |
| 328 HInstruction* boilerplate = AddLoad(allocation_site, access); | 328 HInstruction* boilerplate = AddLoad(allocation_site, access); |
| 329 if (mode == FastCloneShallowArrayStub::CLONE_ANY_ELEMENTS) { | 329 if (mode == FastCloneShallowArrayStub::CLONE_ANY_ELEMENTS) { |
| 330 HValue* elements = AddLoadElements(boilerplate); | 330 HValue* elements = AddLoadElements(boilerplate); |
| 331 | 331 |
| 332 IfBuilder if_fixed_cow(this); | 332 IfBuilder if_fixed_cow(this); |
| 333 if_fixed_cow.If<HCompareMap>(elements, factory->fixed_cow_array_map()); | 333 if_fixed_cow.If<HCompareMap>(elements, factory->fixed_cow_array_map()); |
| 334 if_fixed_cow.Then(); | 334 if_fixed_cow.Then(); |
| 335 environment()->Push(BuildCloneShallowArray(context(), | 335 environment()->Push(BuildCloneShallowArray(context(), |
| 336 boilerplate, | 336 boilerplate, |
| 337 allocation_site, | 337 allocation_site, |
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| 914 return value; | 914 return value; |
| 915 } | 915 } |
| 916 | 916 |
| 917 | 917 |
| 918 Handle<Code> ElementsTransitionAndStoreStub::GenerateCode() { | 918 Handle<Code> ElementsTransitionAndStoreStub::GenerateCode() { |
| 919 return DoGenerateCode(this); | 919 return DoGenerateCode(this); |
| 920 } | 920 } |
| 921 | 921 |
| 922 | 922 |
| 923 } } // namespace v8::internal | 923 } } // namespace v8::internal |
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