[PATCH] D54116: [GlobalISel] Refactor the artifact combiner a bit by using MIPatternMatch

[Aditya Nandakumar via Phabricator via llvm-commits]

aditya_nandakumar added a comment.

Thanks. With this patch, are there any more users of getOpcodeDef? If not, we should probably remove that helper.


https://reviews.llvm.org/D54116