[PATCH] D154805: [DAGCombiner] Fold IEEE `fmul`/`fdiv` by Pow2 to `add`/`sub` of exp

Matt Arsenault via Phabricator via llvm-commits llvm-commits at lists.llvm.org
Wed Aug 23 14:27:56 PDT 2023


arsenm added a comment.

In D154805#4610773 <https://reviews.llvm.org/D154805#4610773>, @RKSimon wrote:

> @arsenm Do you have any more feedback?

I think you're worse off doing this if ldexp is legal (not that we have the combine to form ldexp here)


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  https://reviews.llvm.org/D154805/new/

https://reviews.llvm.org/D154805



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