[llvm] [LV] Add vplan folds for (X - (X & Y)) -> (X & ~Y) (PR #226466)

[David Sherwood via llvm-commits]

david-arm wrote:

Hi @lukel97, not sure what's going on but I tried out that C code with that clang command and I see the same generated IR with and without my patch.

https://github.com/llvm/llvm-project/pull/226466