[PATCH] D121491: [AMDGPU] Restrict machine copy propagation from creating unaligned classes

[Stanislav Mekhanoshin via Phabricator via llvm-commits]

rampitec added a comment.

In D121491#3376885 <https://reviews.llvm.org/D121491#3376885>, @cdevadas wrote:

> In general, invoking `adjustAllocatableRegClass` post-regalloc doesn't sound good to me.

Which we do already.


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