[types] Use unified integral representation bits.

src/compiler/typer.cc

 // 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.
 
 #include "src/compiler/typer.h"
 
 #include "src/base/flags.h"
 #include "src/bootstrapper.h"
 #include "src/compilation-dependencies.h"
 #include "src/compiler/common-operator.h"
@@ skipping 470 matching lines @@
   return Type::Any();
 }
 
 
 Type* Typer::Visitor::TypeOsrValue(Node* node) { return Type::Any(); }
 
 
 Type* Typer::Visitor::TypeInt32Constant(Node* node) {
   double number = OpParameter<int32_t>(node);
   return Type::Intersect(Type::Range(number, number, zone()),
-                         Type::UntaggedSigned32(), zone());
+                         Type::UntaggedIntegral32(), zone());
 }
 
 
 Type* Typer::Visitor::TypeInt64Constant(Node* node) {
   // TODO(rossberg): This actually seems to be a PointerConstant so far...
   return Type::Internal();  // TODO(rossberg): Add int64 bitset type?
 }
 
 
 Type* Typer::Visitor::TypeFloat32Constant(Node* node) {
@@ skipping 1131 matching lines @@
   return Type::Union(Type::Semantic(type, zone),
                      Type::Representation(rep, zone), zone);
 }
 
 }  // namespace
 
 
 Type* Typer::Visitor::TypeChangeTaggedToInt32(Node* node) {
   Type* arg = Operand(node, 0);
   // TODO(neis): DCHECK(arg->Is(Type::Signed32()));
-  return ChangeRepresentation(arg, Type::UntaggedSigned32(), zone());
+  return ChangeRepresentation(arg, Type::UntaggedIntegral32(), zone());
 }
 
 
 Type* Typer::Visitor::TypeChangeTaggedToUint32(Node* node) {
   Type* arg = Operand(node, 0);
   // TODO(neis): DCHECK(arg->Is(Type::Unsigned32()));
-  return ChangeRepresentation(arg, Type::UntaggedUnsigned32(), zone());
+  return ChangeRepresentation(arg, Type::UntaggedIntegral32(), zone());
 }
 
 
 Type* Typer::Visitor::TypeChangeTaggedToFloat64(Node* node) {
   Type* arg = Operand(node, 0);
   // TODO(neis): DCHECK(arg->Is(Type::Number()));
   return ChangeRepresentation(arg, Type::UntaggedFloat64(), zone());
 }
 
 
@@ skipping 304 matching lines @@
 
 Type* Typer::Visitor::TypeUint64Mod(Node* node) { return Type::Internal(); }
 
 
 Type* Typer::Visitor::TypeChangeFloat32ToFloat64(Node* node) {
   return Type::Intersect(Type::Number(), Type::UntaggedFloat64(), zone());
 }
 
 
 Type* Typer::Visitor::TypeChangeFloat64ToInt32(Node* node) {
-  return Type::Intersect(Type::Signed32(), Type::UntaggedSigned32(), zone());
+  return Type::Intersect(Type::Signed32(), Type::UntaggedIntegral32(), zone());
 }
 
 
 Type* Typer::Visitor::TypeChangeFloat64ToUint32(Node* node) {
-  return Type::Intersect(Type::Unsigned32(), Type::UntaggedUnsigned32(),
+  return Type::Intersect(Type::Unsigned32(), Type::UntaggedIntegral32(),
                          zone());
 }
 
 
 Type* Typer::Visitor::TypeChangeInt32ToFloat64(Node* node) {
   return Type::Intersect(Type::Signed32(), Type::UntaggedFloat64(), zone());
 }
 
 
 Type* Typer::Visitor::TypeChangeInt32ToInt64(Node* node) {
@@ skipping 10 matching lines @@
   return Type::Internal();
 }
 
 
 Type* Typer::Visitor::TypeTruncateFloat64ToFloat32(Node* node) {
   return Type::Intersect(Type::Number(), Type::UntaggedFloat32(), zone());
 }
 
 
 Type* Typer::Visitor::TypeTruncateFloat64ToInt32(Node* node) {
-  return Type::Intersect(Type::Signed32(), Type::UntaggedSigned32(), zone());
+  return Type::Intersect(Type::Signed32(), Type::UntaggedIntegral32(), zone());
 }
 
 
 Type* Typer::Visitor::TypeTruncateInt64ToInt32(Node* node) {
-  return Type::Intersect(Type::Signed32(), Type::UntaggedSigned32(), zone());
+  return Type::Intersect(Type::Signed32(), Type::UntaggedIntegral32(), zone());
 }
 
 
 Type* Typer::Visitor::TypeRoundInt64ToFloat64(Node* node) {
   return Type::Intersect(Type::PlainNumber(), Type::UntaggedFloat64(), zone());
 }
 
 
 Type* Typer::Visitor::TypeBitcastFloat32ToInt32(Node* node) {
   return Type::Number();
@@ skipping 170 matching lines @@
   }
   if (Type::IsInteger(*value)) {
     return Type::Range(value->Number(), value->Number(), zone());
   }
   return Type::Constant(value, zone());
 }
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8