[PATCH] D80801: [DAGCombiner] allow more folding of fadd + fmul into fma

[Eli Friedman via Phabricator via llvm-commits]

efriedma added a comment.

On ARM CPUs, there's a special forwarding path to reduce the latency of chains of fma isntructions, so this seems fine there even if the latency is relevant.


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  https://reviews.llvm.org/D80801/new/

https://reviews.llvm.org/D80801