[llvm] [AArch64] Add CodeGen support for FEAT_CPA (PR #105669)

[Alexander Richardson via llvm-commits]

https://github.com/arichardson commented:

Thanks for upstreaming this - I think we should use getMemBasePlusOffset in more places though instead of all the added checks.

I also think the commit message should include Co-authored-by: for @davidchisnall and @jrtc27 (I don't think I substantively touched any of the imported lines so no need to include me).

https://github.com/llvm/llvm-project/pull/105669