Desugar bitwise negation into XOR and kill all UnaryOp stuff.

src/ic.cc

 // 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 2571 matching lines @@
                                 Isolate* isolate) {
   TypeInfo left_typeinfo, right_typeinfo, result_typeinfo;
   BinaryOpStub::decode_types_from_minor_key(
       minor_key, &left_typeinfo, &right_typeinfo, &result_typeinfo);
   *left = TypeInfoToType(left_typeinfo, isolate);
   *right = TypeInfoToType(right_typeinfo, isolate);
   *result = TypeInfoToType(result_typeinfo, isolate);
 }
 
 
-MaybeObject* UnaryOpIC::Transition(Handle<Object> object) {
-  Code::ExtraICState extra_ic_state = target()->extended_extra_ic_state();
-  UnaryOpStub stub(extra_ic_state);
-
-  stub.UpdateStatus(object);
-
-  Handle<Code> code = stub.GetCode(isolate());
-  set_target(*code);
-
-  return stub.Result(object, isolate());
-}
-
-
-RUNTIME_FUNCTION(MaybeObject*, UnaryOpIC_Miss) {
-  HandleScope scope(isolate);
-  Handle<Object> object = args.at<Object>(0);
-  UnaryOpIC ic(isolate);
-  return ic.Transition(object);
-}
-
-
 static BinaryOpIC::TypeInfo TypeInfoFromValue(Handle<Object> value,
                                               Token::Value op) {
   v8::internal::TypeInfo type = v8::internal::TypeInfo::FromValue(value);
   if (type.IsSmi()) return BinaryOpIC::SMI;
   if (type.IsInteger32()) {
     if (kSmiValueSize == 32) return BinaryOpIC::SMI;
     return BinaryOpIC::INT32;
   }
   if (type.IsNumber()) return BinaryOpIC::NUMBER;
   if (type.IsString()) return BinaryOpIC::STRING;
@@ skipping 505 matching lines @@
 #undef ADDR
 };
 
 
 Address IC::AddressFromUtilityId(IC::UtilityId id) {
   return IC_utilities[id];
 }
 
 
 } }  // namespace v8::internal