[PATCH] D80294: Add support for vmsumudm

[Amy Kwan via Phabricator via cfe-commits]

amyk added a comment.

I think this overall looks good, but just curious, why was the builtin support removed?


CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D80294/new/

https://reviews.llvm.org/D80294