[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 13:50:53 PDT 2018


rengolin added a comment.

This does look like a heavy hammer for a small fix. From the optimisation guides, CSEL and MOV have the same latency/bandwidth and the condition is probably pipelined in anyway.


https://reviews.llvm.org/D46278





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