[llvm] [GlobalISel] Combine (X == 0) & (Y == 0) -> (X | Y) == 0 (PR #69017)

[Matt Arsenault via llvm-commits]

arsenm wrote:

> Seems like the BB's parent is nullptr, don't know why though.

Can you post a separate PR with this version for easier debugging?



https://github.com/llvm/llvm-project/pull/69017