[types] Use unified integral representation bits.

src/type-cache.h

 // Copyright 2014 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.
 
 #ifndef V8_TYPE_CACHE_H_
 #define V8_TYPE_CACHE_H_
 
 #include "src/types.h"
 
 namespace v8 {
 namespace internal {
 
 class TypeCache final {
  private:
   // This has to be first for the initialization magic to work.
   Zone zone_;
 
  public:
   static TypeCache const& Get();
 
   TypeCache() = default;
 
   Type* const kInt8 =
-      CreateNative(CreateRange<int8_t>(), Type::UntaggedSigned8());
+      CreateNative(CreateRange<int8_t>(), Type::UntaggedIntegral8());
   Type* const kUint8 =
-      CreateNative(CreateRange<uint8_t>(), Type::UntaggedUnsigned8());
+      CreateNative(CreateRange<uint8_t>(), Type::UntaggedIntegral8());
   Type* const kUint8Clamped = kUint8;
   Type* const kInt16 =
-      CreateNative(CreateRange<int16_t>(), Type::UntaggedSigned16());
+      CreateNative(CreateRange<int16_t>(), Type::UntaggedIntegral16());
   Type* const kUint16 =
-      CreateNative(CreateRange<uint16_t>(), Type::UntaggedUnsigned16());
-  Type* const kInt32 = CreateNative(Type::Signed32(), Type::UntaggedSigned32());
+      CreateNative(CreateRange<uint16_t>(), Type::UntaggedIntegral16());
+  Type* const kInt32 =
+      CreateNative(Type::Signed32(), Type::UntaggedIntegral32());
   Type* const kUint32 =
-      CreateNative(Type::Unsigned32(), Type::UntaggedUnsigned32());
+      CreateNative(Type::Unsigned32(), Type::UntaggedIntegral32());
   Type* const kFloat32 = CreateNative(Type::Number(), Type::UntaggedFloat32());
   Type* const kFloat64 = CreateNative(Type::Number(), Type::UntaggedFloat64());
 
   Type* const kSmi = CreateNative(Type::SignedSmall(), Type::TaggedSigned());
   Type* const kHeapNumber = CreateNative(Type::Number(), Type::TaggedPointer());
 
   Type* const kSingletonZero = CreateRange(0.0, 0.0);
   Type* const kSingletonOne = CreateRange(1.0, 1.0);
   Type* const kZeroOrOne = CreateRange(0.0, 1.0);
   Type* const kZeroToThirtyTwo = CreateRange(0.0, 32.0);
@@ skipping 53 matching lines @@
     return Type::Range(min, max, zone());
   }
 
   Zone* zone() { return &zone_; }
 };
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_TYPE_CACHE_H_