[llvm-branch-commits] [llvm] release/20.x: [AArch64] Fix op mask detection in performZExtDeinterleaveShuffleCombine (#126054) (PR #126263)

[Sam Tebbs via llvm-branch-commits]

https://github.com/SamTebbs33 approved this pull request.

It makes sense to merge this as it fixes a micompilation.

https://github.com/llvm/llvm-project/pull/126263