Remove the `hasFnAttr' method from Function.

The hasFnAttr method has been replaced by querying the Attributes explicitly. No
intended functionality change.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164725 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Transforms/Scalar/LoopUnrollPass.cpp b/lib/Transforms/Scalar/LoopUnrollPass.cpp
index 09a186f..f8709a5 100644
--- a/lib/Transforms/Scalar/LoopUnrollPass.cpp
+++ b/lib/Transforms/Scalar/LoopUnrollPass.cpp
@@ -145,7 +145,7 @@
   // not user specified.
   unsigned Threshold = CurrentThreshold;
   if (!UserThreshold &&
-      Header->getParent()->hasFnAttr(Attribute::OptimizeForSize))
+      Header->getParent()->getFnAttributes().hasOptimizeForSizeAttr())
     Threshold = OptSizeUnrollThreshold;
 
   // Find trip count and trip multiple if count is not available