[PATCH] D128591: Transforms: refactor pow(x, n) expansion where n is a constant integer value

[David Sherwood via Phabricator via llvm-commits]

david-arm added a comment.

Hi @eaeltsin, it's also worth bearing in mind that we were already doing this optimisation (replacing pow with multiplies) before this patch landed if the user was building with -Ofast. This patch simply extends that behaviour for a different set of fast math flags.


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https://reviews.llvm.org/D128591