2bec913886
Bug: v8:3770 Change-Id: If5328a4c63d8efe0ce7a0c5a744666c79c02e1ee Reviewed-on: https://chromium-review.googlesource.com/c/1345912 Commit-Queue: Jakob Kummerow <jkummerow@chromium.org> Reviewed-by: Hannes Payer <hpayer@chromium.org> Reviewed-by: Benedikt Meurer <bmeurer@chromium.org> Reviewed-by: Jakob Gruber <jgruber@chromium.org> Cr-Commit-Position: refs/heads/master@{#57804}
48 lines
1.3 KiB
C++
48 lines
1.3 KiB
C++
// Copyright 2012 the V8 project authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#ifndef V8_RUNTIME_PROFILER_H_
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#define V8_RUNTIME_PROFILER_H_
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#include "src/allocation.h"
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namespace v8 {
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namespace internal {
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class BytecodeArray;
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class Isolate;
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class InterpretedFrame;
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class JSFunction;
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enum class OptimizationReason : uint8_t;
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class RuntimeProfiler {
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public:
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explicit RuntimeProfiler(Isolate* isolate);
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void MarkCandidatesForOptimization();
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void NotifyICChanged() { any_ic_changed_ = true; }
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void AttemptOnStackReplacement(InterpretedFrame* frame,
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int nesting_levels = 1);
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private:
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void MaybeOptimize(JSFunction* function, InterpretedFrame* frame);
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// Potentially attempts OSR from and returns whether no other
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// optimization attempts should be made.
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bool MaybeOSR(JSFunction* function, InterpretedFrame* frame);
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OptimizationReason ShouldOptimize(JSFunction* function,
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BytecodeArray bytecode_array);
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void Optimize(JSFunction* function, OptimizationReason reason);
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void Baseline(JSFunction* function, OptimizationReason reason);
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Isolate* isolate_;
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bool any_ic_changed_;
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};
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} // namespace internal
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} // namespace v8
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#endif // V8_RUNTIME_PROFILER_H_
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