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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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478 Timer timer(this, &time_taken_to_codegen_); | 478 Timer timer(this, &time_taken_to_codegen_); |
479 ASSERT(chunk_ != NULL); | 479 ASSERT(chunk_ != NULL); |
480 ASSERT(graph_ != NULL); | 480 ASSERT(graph_ != NULL); |
481 // Deferred handles reference objects that were accessible during | 481 // Deferred handles reference objects that were accessible during |
482 // graph creation. To make sure that we don't encounter inconsistencies | 482 // graph creation. To make sure that we don't encounter inconsistencies |
483 // between graph creation and code generation, we disallow accessing | 483 // between graph creation and code generation, we disallow accessing |
484 // objects through deferred handles during the latter, with exceptions. | 484 // objects through deferred handles during the latter, with exceptions. |
485 DisallowDeferredHandleDereference no_deferred_handle_deref; | 485 DisallowDeferredHandleDereference no_deferred_handle_deref; |
486 Handle<Code> optimized_code = chunk_->Codegen(); | 486 Handle<Code> optimized_code = chunk_->Codegen(); |
487 if (optimized_code.is_null()) { | 487 if (optimized_code.is_null()) { |
488 if (info()->bailout_reason() != kNoReason) { | 488 if (info()->bailout_reason() == kNoReason) { |
489 info()->set_bailout_reason(kCodeGenerationFailed); | 489 info()->set_bailout_reason(kCodeGenerationFailed); |
490 } | 490 } |
491 return AbortOptimization(); | 491 return AbortOptimization(); |
492 } | 492 } |
493 info()->SetCode(optimized_code); | 493 info()->SetCode(optimized_code); |
494 } | 494 } |
495 RecordOptimizationStats(); | 495 RecordOptimizationStats(); |
496 return SetLastStatus(SUCCEEDED); | 496 return SetLastStatus(SUCCEEDED); |
497 } | 497 } |
498 | 498 |
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1255 // Trace if the appropriate trace flag is set and the phase name's first | 1255 // Trace if the appropriate trace flag is set and the phase name's first |
1256 // character is in the FLAG_trace_phase command line parameter. | 1256 // character is in the FLAG_trace_phase command line parameter. |
1257 bool tracing_on = info()->IsStub() ? | 1257 bool tracing_on = info()->IsStub() ? |
1258 FLAG_trace_hydrogen_stubs : | 1258 FLAG_trace_hydrogen_stubs : |
1259 FLAG_trace_hydrogen; | 1259 FLAG_trace_hydrogen; |
1260 return (tracing_on && | 1260 return (tracing_on && |
1261 OS::StrChr(const_cast<char*>(FLAG_trace_phase), name_[0]) != NULL); | 1261 OS::StrChr(const_cast<char*>(FLAG_trace_phase), name_[0]) != NULL); |
1262 } | 1262 } |
1263 | 1263 |
1264 } } // namespace v8::internal | 1264 } } // namespace v8::internal |
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