[PATCH] D46278: [AArch64] Fold B = csel A, A into B = COPY A
Renato Golin via Phabricator via llvm-commits
llvm-commits at lists.llvm.org
Mon Apr 30 14:22:27 PDT 2018
rengolin added a comment.
In https://reviews.llvm.org/D46278#1083413, @efriedma wrote:
> 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.
Ah, good point! Indeed, much better than I originally thought. :)
https://reviews.llvm.org/D46278
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