[PATCH] D14590: [SimplifyLibCalls] Constant folding for fls, flsl, flsll

[Eli Friedman via Phabricator via llvm-commits]

efriedma added a comment.

That's weird... I would have guessed instcombine would kick in an canonicalize one way or the other.  Anyway, the difference between 1 and 3 doesn't really matter.


https://reviews.llvm.org/D14590