New approach to Crankshaft decision-making

src/ic-inl.h

 // Copyright 2011 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 71 matching lines @@
   // ICs as strict mode. The strict-ness of the IC must be preserved.
   Code* old_target = GetTargetAtAddress(address);
   if (old_target->kind() == Code::STORE_IC ||
       old_target->kind() == Code::KEYED_STORE_IC) {
     ASSERT(old_target->extra_ic_state() == target->extra_ic_state());
   }
 #endif
   Assembler::set_target_address_at(address, target->instruction_start());
   target->GetHeap()->incremental_marking()->RecordCodeTargetPatch(address,
                                                                   target);
+  StackFrameIterator it;
+  if (it.done()) return;
+  it.Advance();
+  StackFrame* raw_frame = it.frame();
+  if (raw_frame->is_java_script()) {
+    JSFunction* function =
+        JSFunction::cast(JavaScriptFrame::cast(raw_frame)->function());
+    function->set_profiler_ticks(0);
+    Isolate::Current()->runtime_profiler()->NotifyICChanged();
+  }
 }
 
 
 InlineCacheHolderFlag IC::GetCodeCacheForObject(Object* object,
                                                 JSObject* holder) {
   if (object->IsJSObject()) {
     return GetCodeCacheForObject(JSObject::cast(object), holder);
   }
   // If the object is a value, we use the prototype map for the cache.
   ASSERT(object->IsString() || object->IsNumber() || object->IsBoolean());
@@ skipping 21 matching lines @@
 JSObject* IC::GetCodeCacheHolder(Object* object, InlineCacheHolderFlag holder) {
   Object* map_owner = (holder == OWN_MAP ? object : object->GetPrototype());
   ASSERT(map_owner->IsJSObject());
   return JSObject::cast(map_owner);
 }
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_IC_INL_H_