[llvm] [LVI] Generalize mask not equal conditions handling (PR #92946)

[Nikita Popov via llvm-commits]

nikic wrote:

I don't really get your question. It should be possible to do *something* here, but I'd expect it to be some generalization of the existing `& Mask != 0` case.

https://github.com/llvm/llvm-project/pull/92946