[PATCH] D109242: GlobalISel: Artifact combine build-vector and unmerges into concat-vector

[Matt Arsenault via Phabricator via llvm-commits]

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

LGTM. I feel like we're missing some legality checks, but the current set of combines seems to have no consistency as to where they are applied


CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D109242/new/

https://reviews.llvm.org/D109242