llvm-project

922ab665 - [InstCombine] Drop nowrap flags in `foldBitCeil` (#125817)

[InstCombine] Drop nowrap flags in `foldBitCeil` (#125817) For convenience this patch drops nsw for `sub`. It also allows this fold with `ctlz_zero_undef`. Alive2: https://alive2.llvm.org/ce/z/VmvqSt