[llvm-branch-commits] [llvm] release/22.x: [AArch64][SME] Limit where SME ABI optimizations apply (#179273) (PR #179473)

[Sander de Smalen via llvm-branch-commits]

https://github.com/sdesmalen-arm approved this pull request.

I think this is safe to cherry-pick onto the release branch, because it doesn't add any new cases and it limits the applicability of the original optimisation (so should be safer).

https://github.com/llvm/llvm-project/pull/179473