Create enums for the different attributes.

We use the enums to query whether an Attributes object has that attribute. The
opaque layer is responsible for knowing where that specific attribute is stored.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@165488 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/AsmParser/LLParser.cpp b/lib/AsmParser/LLParser.cpp
index a0002ee..d813d67 100644
--- a/lib/AsmParser/LLParser.cpp
+++ b/lib/AsmParser/LLParser.cpp
@@ -2779,7 +2779,8 @@
 
   AttrListPtr PAL = AttrListPtr::get(Attrs);
 
-  if (PAL.getParamAttributes(1).hasStructRetAttr() && !RetType->isVoidTy())
+  if (PAL.getParamAttributes(1).hasAttribute(Attributes::StructRet) &&
+      !RetType->isVoidTy())
     return Error(RetTypeLoc, "functions with 'sret' argument must return void");
 
   FunctionType *FT =