[PATCH] D154678: [InstCombine] Fold IEEE `fmul`/`fdiv` by Pow2 to `add`/`sub` of exp

[Noah Goldstein via Phabricator via llvm-commits]

goldstein.w.n added a comment.

ping. Would very much so like to get this in. Even if we end up re-routing through ldexp in the future, think the base of this will remain the same.


Repository:
  rG LLVM Github Monorepo

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  https://reviews.llvm.org/D154678/new/

https://reviews.llvm.org/D154678