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

[David Green via llvm-commits]

davemgreen wrote:

Sorry I don't think I got the update for the latest update. Thanks for splitting this out.

It looks like the tests might be failing in CI, but otherwise this LGTM.

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