Convert UnaryOpStub to a HydrogenCodeStub

src/property-details.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 37 matching lines @@
   // ABSENT can never be stored in or returned from a descriptor's attributes
   // bitfield.  It is only used as a return value meaning the attributes of
   // a non-existent property.
 };
 
 
 namespace v8 {
 namespace internal {
 
 class Smi;
+class Type;
+class TypeInfo;
 
 // Type of properties.
 // Order of properties is significant.
 // Must fit in the BitField PropertyDetails::TypeField.
 // A copy of this is in mirror-debugger.js.
 enum PropertyType {
   // Only in slow mode.
   NORMAL                    = 0,
   // Only in fast mode.
   FIELD                     = 1,
@@ skipping 26 matching lines @@
   static Representation None() { return Representation(kNone); }
   static Representation Tagged() { return Representation(kTagged); }
   static Representation Smi() { return Representation(kSmi); }
   static Representation Integer32() { return Representation(kInteger32); }
   static Representation Double() { return Representation(kDouble); }
   static Representation HeapObject() { return Representation(kHeapObject); }
   static Representation External() { return Representation(kExternal); }
 
   static Representation FromKind(Kind kind) { return Representation(kind); }
 
+  // TODO(rossberg): this should die eventually.
+  static Representation FromType(TypeInfo info);
+  static Representation FromType(Handle<Type> type);
+
   bool Equals(const Representation& other) const {
     return kind_ == other.kind_;
   }
 
   bool IsCompatibleForLoad(const Representation& other) const {
     return (IsDouble() && other.IsDouble()) ||
         (!IsDouble() && !other.IsDouble());
   }
 
   bool IsCompatibleForStore(const Representation& other) const {
@@ skipping 149 matching lines @@
   PropertyDetails(int value, PropertyAttributes attributes) {
     value_ = AttributesField::update(value, attributes);
   }
 
   uint32_t value_;
 };
 
 } }  // namespace v8::internal
 
 #endif  // V8_PROPERTY_DETAILS_H_