[PATCH] D71910: [Attributor] Add helper to change an instruction to `unreachable` inst

[Johannes Doerfert via Phabricator via llvm-commits]

jdoerfert accepted this revision.
jdoerfert added a comment.
This revision is now accepted and ready to land.

This makes sense and LGTM.

FWIW. We have to go over the entire "rewrite after manifest" stuff soon.


CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D71910/new/

https://reviews.llvm.org/D71910