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

Reviewers: aditya_nandakumar

Reviewed By: aditya_nandakumar

Subscribers: rovka, kristof.beyls, llvm-commits

Differential Revision: https://reviews.llvm.org/D54116

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@346166 91177308-0d34-0410-b5e6-96231b3b80d8
1 file changed