[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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