[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.

> Can we unconditionally turn fdiv into fmul if the divisor is known to be an exact power of 2?

Not sure, best I can come up with just take reciprical.


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