Remove the now dead VarArgsIncompatible variable.

llvm-svn: 165496

llvm/include/llvm/Attributes.h

@@ -122,9 +122,6 @@ const AttrConst FunctionOnly = {NoReturn_i | NoUnwind_i | ReadNone_i |
   Naked_i | InlineHint_i | StackAlignment_i |
   UWTable_i | NonLazyBind_i | ReturnsTwice_i | AddressSafety_i};
 
-/// @brief Parameter attributes that do not apply to vararg call arguments.
-const AttrConst VarArgsIncompatible = {StructRet_i};
-
 /// @brief Attributes that are mutually incompatible.
 const AttrConst MutuallyIncompatible[5] = {
   {ByVal_i | Nest_i | StructRet_i},
@@ -180,7 +177,6 @@ public:
     AddressSafety   = 27   ///< Address safety checking is on.
   };
 private:
-  // Currently, we need less than 64 bits.
   AttributesImpl Attrs;
 
   explicit Attributes(AttributesImpl *A);

llvm/lib/VMCore/Verifier.cpp

@@ -1170,9 +1170,8 @@ void Verifier::VerifyCallSite(CallSite CS) {
 
       VerifyParameterAttrs(Attr, CS.getArgument(Idx-1)->getType(), false, I);
 
-      Attributes VArgI = Attr & Attribute::VarArgsIncompatible;
-      Assert1(!VArgI, "Attribute " + VArgI.getAsString() +
-              " cannot be used for vararg call arguments!", I);
+      Assert1(!Attr.hasIncompatibleWithVarArgsAttrs(),
+              "Attribute 'sret' cannot be used for vararg call arguments!", I);
     }
 
   // Verify that there's no metadata unless it's a direct call to an intrinsic.