Some minor cleanups for r138845.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138846 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/CodeGen/ARM/atomic-64bit.ll b/test/CodeGen/ARM/atomic-64bit.ll
index 186581c..9a2b998 100644
--- a/test/CodeGen/ARM/atomic-64bit.ll
+++ b/test/CodeGen/ARM/atomic-64bit.ll
@@ -80,4 +80,4 @@
 ; CHECK: dmb ish
   %r = atomicrmw xchg i64* %ptr, i64 %val seq_cst
   ret i64 %r
-}
\ No newline at end of file
+}