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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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| 633 function->ShortPrint(); | 633 function->ShortPrint(); |
| 634 if (!osr_ast_id.IsNone()) { | 634 if (!osr_ast_id.IsNone()) { |
| 635 PrintF(" at OSR AST id %d", osr_ast_id.ToInt()); | 635 PrintF(" at OSR AST id %d", osr_ast_id.ToInt()); |
| 636 } | 636 } |
| 637 PrintF("]\n"); | 637 PrintF("]\n"); |
| 638 } | 638 } |
| 639 return cached_code; | 639 return cached_code; |
| 640 } | 640 } |
| 641 | 641 |
| 642 // Reset profiler ticks, function is no longer considered hot. | 642 // Reset profiler ticks, function is no longer considered hot. |
| 643 if (shared->is_compiled()) { | 643 if (shared->HasBaselineCode()) { |
| 644 shared->code()->set_profiler_ticks(0); | 644 shared->code()->set_profiler_ticks(0); |
| 645 } else if (shared->HasBytecodeArray()) { |
| 646 shared->set_profiler_ticks(0); |
| 645 } | 647 } |
| 646 | 648 |
| 647 VMState<COMPILER> state(isolate); | 649 VMState<COMPILER> state(isolate); |
| 648 DCHECK(!isolate->has_pending_exception()); | 650 DCHECK(!isolate->has_pending_exception()); |
| 649 PostponeInterruptsScope postpone(isolate); | 651 PostponeInterruptsScope postpone(isolate); |
| 650 bool use_turbofan = UseTurboFan(shared) || ignition_osr; | 652 bool use_turbofan = UseTurboFan(shared) || ignition_osr; |
| 651 std::unique_ptr<CompilationJob> job( | 653 std::unique_ptr<CompilationJob> job( |
| 652 use_turbofan ? compiler::Pipeline::NewCompilationJob(function) | 654 use_turbofan ? compiler::Pipeline::NewCompilationJob(function) |
| 653 : new HCompilationJob(function)); | 655 : new HCompilationJob(function)); |
| 654 CompilationInfo* info = job->info(); | 656 CompilationInfo* info = job->info(); |
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| 727 CompilationInfo* info = job->info(); | 729 CompilationInfo* info = job->info(); |
| 728 Isolate* isolate = info->isolate(); | 730 Isolate* isolate = info->isolate(); |
| 729 | 731 |
| 730 TimerEventScope<TimerEventRecompileSynchronous> timer(info->isolate()); | 732 TimerEventScope<TimerEventRecompileSynchronous> timer(info->isolate()); |
| 731 RuntimeCallTimerScope runtimeTimer(isolate, | 733 RuntimeCallTimerScope runtimeTimer(isolate, |
| 732 &RuntimeCallStats::RecompileSynchronous); | 734 &RuntimeCallStats::RecompileSynchronous); |
| 733 TRACE_EVENT0(TRACE_DISABLED_BY_DEFAULT("v8.compile"), | 735 TRACE_EVENT0(TRACE_DISABLED_BY_DEFAULT("v8.compile"), |
| 734 "V8.RecompileSynchronous"); | 736 "V8.RecompileSynchronous"); |
| 735 | 737 |
| 736 Handle<SharedFunctionInfo> shared = info->shared_info(); | 738 Handle<SharedFunctionInfo> shared = info->shared_info(); |
| 737 shared->code()->set_profiler_ticks(0); | 739 |
| 740 // Reset profiler ticks, function is no longer considered hot. |
| 741 if (shared->HasBaselineCode()) { |
| 742 shared->code()->set_profiler_ticks(0); |
| 743 } else if (shared->HasBytecodeArray()) { |
| 744 shared->set_profiler_ticks(0); |
| 745 } |
| 738 | 746 |
| 739 DCHECK(!shared->HasDebugInfo()); | 747 DCHECK(!shared->HasDebugInfo()); |
| 740 | 748 |
| 741 // 1) Optimization on the concurrent thread may have failed. | 749 // 1) Optimization on the concurrent thread may have failed. |
| 742 // 2) The function may have already been optimized by OSR. Simply continue. | 750 // 2) The function may have already been optimized by OSR. Simply continue. |
| 743 // Except when OSR already disabled optimization for some reason. | 751 // Except when OSR already disabled optimization for some reason. |
| 744 // 3) The code may have already been invalidated due to dependency change. | 752 // 3) The code may have already been invalidated due to dependency change. |
| 745 // 4) Code generation may have failed. | 753 // 4) Code generation may have failed. |
| 746 if (job->state() == CompilationJob::State::kReadyToFinalize) { | 754 if (job->state() == CompilationJob::State::kReadyToFinalize) { |
| 747 if (shared->optimization_disabled()) { | 755 if (shared->optimization_disabled()) { |
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| 1711 DCHECK(shared->is_compiled()); | 1719 DCHECK(shared->is_compiled()); |
| 1712 function->set_literals(cached.literals); | 1720 function->set_literals(cached.literals); |
| 1713 } else if (shared->is_compiled()) { | 1721 } else if (shared->is_compiled()) { |
| 1714 // TODO(mvstanton): pass pretenure flag to EnsureLiterals. | 1722 // TODO(mvstanton): pass pretenure flag to EnsureLiterals. |
| 1715 JSFunction::EnsureLiterals(function); | 1723 JSFunction::EnsureLiterals(function); |
| 1716 } | 1724 } |
| 1717 } | 1725 } |
| 1718 | 1726 |
| 1719 } // namespace internal | 1727 } // namespace internal |
| 1720 } // namespace v8 | 1728 } // namespace v8 |
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