Summary:
Make sure we are comparing the unknown instructions in the alias set and the instruction interested in.
I believe this is clearly a bug (missed opportunity). I can also add some test cases if desired.
Reviewers: hfinkel, davide, dberlin
Subscribers: llvm-commits
Differential Revision: https://reviews.llvm.org/D34597
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@306241 91177308-0d34-0410-b5e6-96231b3b80d8
