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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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