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| 1 // Copyright 2006-2008 the V8 project authors. All rights reserved. | 1 // Copyright 2006-2008 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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| 360 UNREACHABLE(); | 360 UNREACHABLE(); |
| 361 break; | 361 break; |
| 362 } | 362 } |
| 363 | 363 |
| 364 // Since this is an assignment. We have to propagate this node's type to the | 364 // Since this is an assignment. We have to propagate this node's type to the |
| 365 // variable. | 365 // variable. |
| 366 VariableProxy* proxy = node->target()->AsVariableProxy(); | 366 VariableProxy* proxy = node->target()->AsVariableProxy(); |
| 367 if (proxy != NULL) { | 367 if (proxy != NULL) { |
| 368 Variable* var = proxy->AsVariable(); | 368 Variable* var = proxy->AsVariable(); |
| 369 if (var != NULL) { | 369 if (var != NULL) { |
| 370 SmiAnalysis* var_type = var->type(); | 370 StaticType* var_type = var->type(); |
| 371 if (var_type->IsUnknown()) { | 371 if (var_type->IsUnknown()) { |
| 372 var_type->CopyFrom(node->type()); | 372 var_type->CopyFrom(node->type()); |
| 373 } else if (var_type->IsLikelySmi()) { | 373 } else if (var_type->IsLikelySmi()) { |
| 374 // We do not reset likely types to Unknown. | 374 // We do not reset likely types to Unknown. |
| 375 } | 375 } |
| 376 } | 376 } |
| 377 } | 377 } |
| 378 } | 378 } |
| 379 | 379 |
| 380 | 380 |
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| 846 optimizer.Optimize(body); | 846 optimizer.Optimize(body); |
| 847 if (optimizer.HasStackOverflow()) { | 847 if (optimizer.HasStackOverflow()) { |
| 848 return false; | 848 return false; |
| 849 } | 849 } |
| 850 } | 850 } |
| 851 return true; | 851 return true; |
| 852 } | 852 } |
| 853 | 853 |
| 854 | 854 |
| 855 } } // namespace v8::internal | 855 } } // namespace v8::internal |
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