Remove the last of uses that use the Attribute object as a collection of attributes.

Collections of attributes are handled via the AttributeSet class now. This
finally frees us up to make significant changes to how attributes are structured.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@173228 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/IR/Function.cpp b/lib/IR/Function.cpp
index f2f3ec9..839e496 100644
--- a/lib/IR/Function.cpp
+++ b/lib/IR/Function.cpp
@@ -123,23 +123,16 @@
     hasAttribute(1, Attribute::StructRet);
 }
 
-/// addAttr - Add a Attribute to an argument
-void Argument::addAttr(Attribute attr) {
-  AttrBuilder B(attr);
-  getParent()->addAttributes(getArgNo() + 1,
-                             AttributeSet::get(getParent()->getContext(),
-                                               getArgNo() + 1, B));
+/// addAttr - Add attributes to an argument.
+void Argument::addAttr(AttributeSet AS) {
+  getParent()->addAttributes(getArgNo() + 1, AS);
 }
 
-/// removeAttr - Remove a Attribute from an argument
-void Argument::removeAttr(Attribute attr) {
-  AttrBuilder B(attr);
-  getParent()->removeAttributes(getArgNo() + 1,
-                                AttributeSet::get(getParent()->getContext(),
-                                                  getArgNo() + 1, B));
+/// removeAttr - Remove attributes from an argument.
+void Argument::removeAttr(AttributeSet AS) {
+  getParent()->removeAttributes(getArgNo() + 1, AS);
 }
 
-
 //===----------------------------------------------------------------------===//
 // Helper Methods in Function
 //===----------------------------------------------------------------------===//