More encapsulation work.

Use the AttributeSet when we're talking about more than one attribute. Add a
function that adds a single attribute. No functionality change intended.

llvm-svn: 173196

1 files changed, 3 insertions, 1 deletions

diff --git a/llvm/lib/IR/Function.cpp b/llvm/lib/IR/Function.cpp
index cd35aff..6a5e616 100644
--- a/llvm/lib/IR/Function.cpp
+++ b/llvm/lib/IR/Function.cpp
@@ -250,7 +250,9 @@ void Function::dropAllReferences() {
 
 void Function::addAttribute(unsigned i, Attribute attr) {
   AttributeSet PAL = getAttributes();
-  PAL = PAL.addAttr(getContext(), i, attr);
+  AttrBuilder B(attr);
+  PAL = PAL.addAttributes(getContext(), i,
+                          AttributeSet::get(getContext(), i, B));
   setAttributes(PAL);
 }