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      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
      3 // found in the LICENSE file.
      4 
      5 #ifndef V8_RUNTIME_PROFILER_H_
      6 #define V8_RUNTIME_PROFILER_H_
      7 
      8 #include "src/allocation.h"
      9 
     10 namespace v8 {
     11 namespace internal {
     12 
     13 class Isolate;
     14 class JSFunction;
     15 class Object;
     16 class Semaphore;
     17 
     18 class RuntimeProfiler {
     19  public:
     20   explicit RuntimeProfiler(Isolate* isolate);
     21 
     22   void OptimizeNow();
     23 
     24   void NotifyICChanged() { any_ic_changed_ = true; }
     25 
     26   void AttemptOnStackReplacement(JSFunction* function);
     27 
     28  private:
     29   void Optimize(JSFunction* function, const char* reason);
     30 
     31   bool CodeSizeOKForOSR(Code* shared_code);
     32 
     33   Isolate* isolate_;
     34 
     35   bool any_ic_changed_;
     36 };
     37 
     38 } }  // namespace v8::internal
     39 
     40 #endif  // V8_RUNTIME_PROFILER_H_
     41