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

[Eli Friedman via Phabricator via llvm-commits]

efriedma added a comment.

I'm not sure I follow the issue with `long`.  If we see `call i32 @flsl(i32 42)` in the IR, "long" must be 32 bits; if we see `call i32 @flsl(i64 42)` in the IR, "long" must be 64 bits.


https://reviews.llvm.org/D14590