[PATCH] D109240: GlobalISel: Artifact combine merge-like opcode and unmerge into copy

[Matt Arsenault via Phabricator via llvm-commits]

arsenm added a comment.

In D109240#3826559 <https://reviews.llvm.org/D109240#3826559>, @Petar.Avramovic wrote:

>> We do need to start moving all of this stuff into ArtifactValueFinder though
>
> Like this?

You moved the code, but didn't make the fundamental change. The key point is to start using findValueFromDef to find the non-artifact source instead of trying to handle every permutation of legalization artifacts


CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D109240/new/

https://reviews.llvm.org/D109240