Minor cleanup IC keyed access handling.

src/objects-inl.h

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 //
 // Review notes:
 //
 // - The use of macros in these inline functions may seem superfluous
 // but it is absolutely needed to make sure gcc generates optimal
 // code. gcc is not happy when attempting to inline too deep.
 //
@@ skipping 1114 matching lines @@
   return this->IsHeapNumber() && std::isnan(HeapNumber::cast(this)->value());
 }
 
 
 bool Object::IsMinusZero() const {
   return this->IsHeapNumber() &&
          i::IsMinusZero(HeapNumber::cast(this)->value());
 }
 
 
-MaybeHandle<Smi> Object::ToSmi(Isolate* isolate, Handle<Object> object) {
-  if (object->IsSmi()) return Handle<Smi>::cast(object);
-  if (object->IsHeapNumber()) {
-    double value = Handle<HeapNumber>::cast(object)->value();
-    int int_value = FastD2I(value);
-    if (value == FastI2D(int_value) && Smi::IsValid(int_value)) {
-      return handle(Smi::FromInt(int_value), isolate);
-    }
-  }
-  return Handle<Smi>();
-}
-
-
 MaybeHandle<JSReceiver> Object::ToObject(Isolate* isolate,
                                          Handle<Object> object) {
   return ToObject(
       isolate, object, handle(isolate->context()->native_context(), isolate));
 }
 
 
 bool Object::HasSpecificClassOf(String* name) {
   return this->IsJSObject() && (JSObject::cast(this)->class_name() == name);
 }
@@ skipping 673 matching lines @@
       if (double_array->is_the_hole(i)) {
         TransitionElementsKind(object, FAST_HOLEY_DOUBLE_ELEMENTS);
         return;
       }
     }
     TransitionElementsKind(object, FAST_DOUBLE_ELEMENTS);
   }
 }
 
 
-bool JSObject::WouldConvertToSlowElements(Handle<Object> key) {
-  uint32_t index = 0;
-  return key->ToArrayIndex(&index) && WouldConvertToSlowElements(index);
-}
-
-
 void JSObject::SetMapAndElements(Handle<JSObject> object,
                                  Handle<Map> new_map,
                                  Handle<FixedArrayBase> value) {
   JSObject::MigrateToMap(object, new_map);
   DCHECK((object->map()->has_fast_smi_or_object_elements() ||
           (*value == object->GetHeap()->empty_fixed_array())) ==
          (value->map() == object->GetHeap()->fixed_array_map() ||
           value->map() == object->GetHeap()->fixed_cow_array_map()));
   DCHECK((*value == object->GetHeap()->empty_fixed_array()) ||
          (object->map()->has_fast_double_elements() ==
@@ skipping 5457 matching lines @@
 #undef READ_SHORT_FIELD
 #undef WRITE_SHORT_FIELD
 #undef READ_BYTE_FIELD
 #undef WRITE_BYTE_FIELD
 #undef NOBARRIER_READ_BYTE_FIELD
 #undef NOBARRIER_WRITE_BYTE_FIELD
 
 } }  // namespace v8::internal
 
 #endif  // V8_OBJECTS_INL_H_