[PATCH] D67275: GlobalISel: Add G_FMAD instruction

[Matt Arsenault via Phabricator via llvm-commits]

arsenm added a comment.

In D67275#1660898 <https://reviews.llvm.org/D67275#1660898>, @aditya_nandakumar wrote:

> Looks good. Is this something that's only produced during legalization of targets?


It's produced by optimization combines in the DAG mostly, but AMDGPU does use this in a couple custom legalizations


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https://reviews.llvm.org/D67275