Add comment to test case.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150046 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/CodeGen/ARM/fast-isel-binary.ll b/test/CodeGen/ARM/fast-isel-binary.ll
index 642fcd0..b15949c 100644
--- a/test/CodeGen/ARM/fast-isel-binary.ll
+++ b/test/CodeGen/ARM/fast-isel-binary.ll
@@ -39,6 +39,8 @@
   ret void
 }
 
+; Test or with non-legal types
+
 define void @or_i1(i1 %a, i1 %b) nounwind ssp {
 entry:
 ; ARM: or_i1