[llvm] [InstCombine] Fold converted urem to 0 if there's no overlapping bits (PR #71528)

[Graham Hunter via llvm-commits]

huntergr-arm wrote:

Precommitted extra tests in 34f83e86b4b70427969439683360a819a13e6f49 (including a negative test where vscale doesn't have a defined range)

https://github.com/llvm/llvm-project/pull/71528