[llvm] [AArch64] MI Scheduler LDP/STP combine follow up (PR #79003)

[David Green via llvm-commits]

https://github.com/davemgreen commented:

Do you mind splitting the loads and stores into separate patches? I think this is OK, but it would be good to have it split out in case we find a problem with one or the other.

https://github.com/llvm/llvm-project/pull/79003