[PATCH] D46278: [AArch64] Fold B = csel A, A into B = COPY A

[Eli Friedman via Phabricator via llvm-commits]

efriedma added a comment.

It's not really csel vs. mov; the COPY likely gets coalesced away, and it might allow erasing the condition which feeds the select, which might allow erasing more code, etc.


https://reviews.llvm.org/D46278