Remove the Function::getFnAttributes method in favor of using the AttributeSet
directly.

This is in preparation for removing the use of the 'Attribute' class as a
collection of attributes. That will shift to the AttributeSet class instead.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171253 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Transforms/Scalar/LoopUnrollPass.cpp b/lib/Transforms/Scalar/LoopUnrollPass.cpp
index 2a04af3..6f8269b 100644
--- a/lib/Transforms/Scalar/LoopUnrollPass.cpp
+++ b/lib/Transforms/Scalar/LoopUnrollPass.cpp
@@ -146,8 +146,9 @@
   // not user specified.
   unsigned Threshold = CurrentThreshold;
   if (!UserThreshold &&
-      Header->getParent()->getFnAttributes().
-        hasAttribute(Attribute::OptimizeForSize))
+      Header->getParent()->getAttributes().
+        hasAttribute(AttributeSet::FunctionIndex,
+                     Attribute::OptimizeForSize))
     Threshold = OptSizeUnrollThreshold;
 
   // Find trip count and trip multiple if count is not available