[PATCH] D38128: Handle COPYs of physregs better (regalloc hints)

[Quentin Colombet via Phabricator via llvm-commits]

qcolombet accepted this revision.
qcolombet added a comment.

Still LGTM :).
It makes sense to have it behind a hook for now, but could you follow-up with the targets owners so that it gets to be the default and we can get rid of the hook.
I believe this is general goodness and that we should use it for all targets going forward.


https://reviews.llvm.org/D38128