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/CodeGen/TailDuplication.cpp b/lib/CodeGen/TailDuplication.cpp
index eb44478..3cf7934 100644
--- a/lib/CodeGen/TailDuplication.cpp
+++ b/lib/CodeGen/TailDuplication.cpp
@@ -551,8 +551,8 @@
   // compensate for the duplication.
   unsigned MaxDuplicateCount;
   if (TailDuplicateSize.getNumOccurrences() == 0 &&
-      MF.getFunction()->getFnAttributes().
-        hasAttribute(Attribute::OptimizeForSize))
+      MF.getFunction()->getAttributes().
+        hasAttribute(AttributeSet::FunctionIndex, Attribute::OptimizeForSize))
     MaxDuplicateCount = 1;
   else
     MaxDuplicateCount = TailDuplicateSize;