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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 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be | 
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. | 
| 4 | 4 | 
| 5 #include "src/compiler.h" | 5 #include "src/compiler.h" | 
| 6 | 6 | 
| 7 #include <algorithm> | 7 #include <algorithm> | 
| 8 #include <memory> | 8 #include <memory> | 
| 9 | 9 | 
| 10 #include "src/asmjs/asm-js.h" | 10 #include "src/asmjs/asm-js.h" | 
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| 674   // Do not use Crankshaft/TurboFan if we need to be able to set break points. | 674   // Do not use Crankshaft/TurboFan if we need to be able to set break points. | 
| 675   if (info->shared_info()->HasDebugInfo()) { | 675   if (info->shared_info()->HasDebugInfo()) { | 
| 676     info->AbortOptimization(kFunctionBeingDebugged); | 676     info->AbortOptimization(kFunctionBeingDebugged); | 
| 677     return MaybeHandle<Code>(); | 677     return MaybeHandle<Code>(); | 
| 678   } | 678   } | 
| 679 | 679 | 
| 680   // Limit the number of times we try to optimize functions. | 680   // Limit the number of times we try to optimize functions. | 
| 681   const int kMaxOptCount = | 681   const int kMaxOptCount = | 
| 682       FLAG_deopt_every_n_times == 0 ? FLAG_max_opt_count : 1000; | 682       FLAG_deopt_every_n_times == 0 ? FLAG_max_opt_count : 1000; | 
| 683   if (info->shared_info()->opt_count() > kMaxOptCount) { | 683   if (info->shared_info()->opt_count() > kMaxOptCount) { | 
| 684     info->AbortOptimization(kOptimizedTooManyTimes); | 684     info->AbortOptimization(kDeoptimizedTooManyTimes); | 
| 685     return MaybeHandle<Code>(); | 685     return MaybeHandle<Code>(); | 
| 686   } | 686   } | 
| 687 | 687 | 
| 688   TimerEventScope<TimerEventOptimizeCode> optimize_code_timer(isolate); | 688   TimerEventScope<TimerEventOptimizeCode> optimize_code_timer(isolate); | 
| 689   RuntimeCallTimerScope runtimeTimer(isolate, &RuntimeCallStats::OptimizeCode); | 689   RuntimeCallTimerScope runtimeTimer(isolate, &RuntimeCallStats::OptimizeCode); | 
| 690   TRACE_EVENT0(TRACE_DISABLED_BY_DEFAULT("v8.compile"), "V8.OptimizeCode"); | 690   TRACE_EVENT0(TRACE_DISABLED_BY_DEFAULT("v8.compile"), "V8.OptimizeCode"); | 
| 691 | 691 | 
| 692   // TurboFan can optimize directly from existing bytecode. | 692   // TurboFan can optimize directly from existing bytecode. | 
| 693   if (use_turbofan && ShouldUseIgnition(info)) { | 693   if (use_turbofan && ShouldUseIgnition(info)) { | 
| 694     if (info->is_osr() && !ignition_osr) return MaybeHandle<Code>(); | 694     if (info->is_osr() && !ignition_osr) return MaybeHandle<Code>(); | 
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| 1728     DCHECK(shared->is_compiled()); | 1728     DCHECK(shared->is_compiled()); | 
| 1729     function->set_literals(cached.literals); | 1729     function->set_literals(cached.literals); | 
| 1730   } else if (shared->is_compiled()) { | 1730   } else if (shared->is_compiled()) { | 
| 1731     // TODO(mvstanton): pass pretenure flag to EnsureLiterals. | 1731     // TODO(mvstanton): pass pretenure flag to EnsureLiterals. | 
| 1732     JSFunction::EnsureLiterals(function); | 1732     JSFunction::EnsureLiterals(function); | 
| 1733   } | 1733   } | 
| 1734 } | 1734 } | 
| 1735 | 1735 | 
| 1736 }  // namespace internal | 1736 }  // namespace internal | 
| 1737 }  // namespace v8 | 1737 }  // namespace v8 | 
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