[PATCH] D117032: GlobalIsel: Fix fma combine when one of the uses comes from unmerge

[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 think we should move APIs away from MachineInstr based tracking and towards value based approaches, closer to SDValue


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https://reviews.llvm.org/D117032