[types] Use unified integral representation bits.

src/code-stubs.cc

 // 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.
 
 #include "src/code-stubs.h"
 
 #include <sstream>
 
 #include "src/bootstrapper.h"
 #include "src/factory.h"
@@ skipping 1043 matching lines @@
 }
 
 
 InternalArrayConstructorStub::InternalArrayConstructorStub(
     Isolate* isolate) : PlatformCodeStub(isolate) {
   InternalArrayConstructorStubBase::GenerateStubsAheadOfTime(isolate);
 }
 
 
 Representation RepresentationFromType(Type* type) {
-  if (type->Is(Type::UntaggedSigned()) || type->Is(Type::UntaggedUnsigned())) {
+  if (type->Is(Type::UntaggedIntegral())) {
     return Representation::Integer32();
   }
 
   if (type->Is(Type::TaggedSigned())) {
     return Representation::Smi();
   }
 
   if (type->Is(Type::UntaggedPointer())) {
     return Representation::External();
   }
 
   DCHECK(!type->Is(Type::Untagged()));
   return Representation::Tagged();
 }
+
 }  // namespace internal
 }  // namespace v8