[PATCH] D78150: [AMDGPU] Use SDWA for 16 bit subreg copy

[Stanislav Mekhanoshin via Phabricator via llvm-commits]

rampitec planned changes to this revision.
rampitec added a comment.

I have realized we still need to model it to protect from post-RA scheduler. I will add imp-use.


CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D78150/new/

https://reviews.llvm.org/D78150