[InstCombine] add explanatory comment to test; NFC

The test was added at r290797, and a patch to enable the transform is proposed in D28204. llvm-svn: 290798
2017-01-01 18:20:49 +00:00 · 2017-01-01 18:20:49 +00:00 · 0e3ae439cf
parent 07537c2b6e
commit 0e3ae439cf
1 changed files with 3 additions and 0 deletions
--- a/llvm/test/Transforms/InstCombine/call_nonnull_arg.ll
+++ b/llvm/test/Transforms/InstCombine/call_nonnull_arg.ll
@ -31,6 +31,9 @@ dead:
  unreachable
 }

+; FIXME: The nonnull attribute in the 'bar' declaration could be 
+; propagated to the parameters of the 'baz' callsite. 
+
 declare void @bar(i8*, i8* nonnull)
 declare void @baz(i8*, i8*)