Merge bleeding_edge 17696:18016.

src/ic-inl.h

 // Copyright 2012 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 82 matching lines @@
   Assembler::set_target_address_at(address, target->instruction_start());
   if (heap->gc_state() == Heap::MARK_COMPACT) {
     heap->mark_compact_collector()->RecordCodeTargetPatch(address, target);
   } else {
     heap->incremental_marking()->RecordCodeTargetPatch(address, target);
   }
   PostPatching(address, target, old_target);
 }
 
 
-InlineCacheHolderFlag IC::GetCodeCacheForObject(Object* object,
-                                                JSObject* holder) {
+InlineCacheHolderFlag IC::GetCodeCacheForObject(Object* object) {
   if (object->IsJSObject()) return OWN_MAP;
 
   // If the object is a value, we use the prototype map for the cache.
   ASSERT(object->IsString() || object->IsSymbol() ||
          object->IsNumber() || object->IsBoolean());
   return PROTOTYPE_MAP;
 }
 
 
-JSObject* IC::GetCodeCacheHolder(Isolate* isolate,
+HeapObject* IC::GetCodeCacheHolder(Isolate* isolate,
                                  Object* object,
                                  InlineCacheHolderFlag holder) {
-  Object* map_owner =
-      holder == OWN_MAP ? object : object->GetPrototype(isolate);
-  ASSERT(map_owner->IsJSObject());
-  return JSObject::cast(map_owner);
+  if (object->IsSmi()) holder = PROTOTYPE_MAP;
+  Object* map_owner = holder == OWN_MAP
+      ? object : object->GetPrototype(isolate);
+  return HeapObject::cast(map_owner);
 }
 
 
+InlineCacheHolderFlag IC::GetCodeCacheFlag(Type* type) {
+  if (type->Is(Type::Boolean()) ||
+      type->Is(Type::Number()) ||
+      type->Is(Type::String()) ||
+      type->Is(Type::Symbol())) {
+    return PROTOTYPE_MAP;
+  }
+  return OWN_MAP;
+}
+
+
+Handle<Map> IC::GetCodeCacheHolder(InlineCacheHolderFlag flag,
+                                   Type* type,
+                                   Isolate* isolate) {
+  if (flag == PROTOTYPE_MAP) {
+    Context* context = isolate->context()->native_context();
+    JSFunction* constructor;
+    if (type->Is(Type::Boolean())) {
+      constructor = context->boolean_function();
+    } else if (type->Is(Type::Number())) {
+      constructor = context->number_function();
+    } else if (type->Is(Type::String())) {
+      constructor = context->string_function();
+    } else {
+      ASSERT(type->Is(Type::Symbol()));
+      constructor = context->symbol_function();
+    }
+    return handle(JSObject::cast(constructor->instance_prototype())->map());
+  }
+  return type->AsClass();
+}
+
+
 } }  // namespace v8::internal
 
 #endif  // V8_IC_INL_H_