the 'mode' attribute is a decl attribute, not a type attribute. Move it to

SemaDeclAttr, and do some cleanups.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@52844 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 0 insertions, 119 deletions

diff --git a/lib/Sema/SemaType.cpp b/lib/Sema/SemaType.cpp
index 9d6bcb9b07..8fd72a0195 100644
--- a/lib/Sema/SemaType.cpp
+++ b/lib/Sema/SemaType.cpp
@@ -560,123 +560,4 @@ QualType Sema::HandleAddressSpaceTypeAttribute(QualType Type,
   return Context.getASQualType(Type, ASIdx);
 }
 
-/// HandleModeTypeAttribute - Process a mode attribute on the
-/// specified type.
-QualType Sema::HandleModeTypeAttribute(QualType Type, 
-                                       const AttributeList *Attr) {
-  // This attribute isn't documented, but glibc uses it.  It changes
-  // the width of an int or unsigned int to the specified size.
-
-  // Check that there aren't any arguments
-  if (Attr->getNumArgs() != 0) {
-    Diag(Attr->getLoc(), diag::err_attribute_wrong_number_arguments,
-         std::string("0"));
-    return Type;
-  }
-
-  IdentifierInfo * Name = Attr->getParameterName();
-  if (!Name) {
-    Diag(Attr->getLoc(), diag::err_attribute_missing_parameter_name);
-    return Type;
-  }
-  const char *Str = Name->getName();
-  unsigned Len = Name->getLength();
-
-  // Normalize the attribute name, __foo__ becomes foo.
-  if (Len > 4 && Str[0] == '_' && Str[1] == '_' &&
-      Str[Len - 2] == '_' && Str[Len - 1] == '_') {
-    Str += 2;
-    Len -= 4;
-  }
-
-  unsigned DestWidth = 0;
-  bool IntegerMode = true;
-
-  switch (Len) {
-  case 2:
-    if (!memcmp(Str, "QI", 2)) { DestWidth =  8; break; }
-    if (!memcmp(Str, "HI", 2)) { DestWidth = 16; break; }
-    if (!memcmp(Str, "SI", 2)) { DestWidth = 32; break; }
-    if (!memcmp(Str, "DI", 2)) { DestWidth = 64; break; }
-    if (!memcmp(Str, "TI", 2)) { DestWidth = 128; break; }
-    if (!memcmp(Str, "SF", 2)) { DestWidth = 32; IntegerMode = false; break; }
-    if (!memcmp(Str, "DF", 2)) { DestWidth = 64; IntegerMode = false; break; }
-    if (!memcmp(Str, "XF", 2)) { DestWidth = 96; IntegerMode = false; break; }
-    if (!memcmp(Str, "TF", 2)) { DestWidth = 128; IntegerMode = false; break; }
-    break;
-  case 4:
-    if (!memcmp(Str, "word", 4)) {
-      // FIXME: glibc uses this to define register_t; this is
-      // narrover than a pointer on PIC16 and other embedded
-      // platforms
-      DestWidth = Context.getTypeSize(Context.VoidPtrTy);
-      break;
-    }
-    if (!memcmp(Str, "byte", 4)) {
-      DestWidth = Context.getTypeSize(Context.CharTy);
-      break;
-    }
-    break;
-  case 7:
-    if (!memcmp(Str, "pointer", 7)) {
-      DestWidth = Context.getTypeSize(Context.VoidPtrTy);
-      IntegerMode = true;
-      break;
-    }
-    break;
-  }
-
-  // FIXME: Need proper fixed-width types
-  QualType RetTy;
-  switch (DestWidth) {
-  case 0:
-    Diag(Attr->getLoc(), diag::err_unknown_machine_mode, 
-         std::string(Str, Len));
-    return Type;
-  case 8:
-    assert(IntegerMode);
-    if (Type->isSignedIntegerType())
-      RetTy = Context.SignedCharTy;
-    else
-      RetTy = Context.UnsignedCharTy;
-    break;
-  case 16:
-    assert(IntegerMode);
-    if (Type->isSignedIntegerType())
-      RetTy = Context.ShortTy;
-    else
-      RetTy = Context.UnsignedShortTy;
-    break;
-  case 32:
-    if (!IntegerMode)
-      RetTy = Context.FloatTy;
-    else if (Type->isSignedIntegerType())
-      RetTy = Context.IntTy;
-    else
-      RetTy = Context.UnsignedIntTy;
-    break;
-  case 64:
-    if (!IntegerMode)
-      RetTy = Context.DoubleTy;
-    else if (Type->isSignedIntegerType())
-      RetTy = Context.LongLongTy;
-    else
-      RetTy = Context.UnsignedLongLongTy;
-    break;
-  default:
-    Diag(Attr->getLoc(), diag::err_unsupported_machine_mode,
-         std::string(Str, Len));
-    return Type;
-  }
-
-  if (!Type->getAsBuiltinType())
-    Diag(Attr->getLoc(), diag::err_mode_not_primitive);
-  else if (!(IntegerMode && Type->isIntegerType()) &&
-           !(!IntegerMode && Type->isFloatingType())) {
-    Diag(Attr->getLoc(), diag::err_mode_wrong_type);
-  }
-
-  return RetTy;
-}
-