[llvm] [MachineLICM][AArch64] Hoist COPY instructions with other uses in the loop (PR #71403)

[Piotr Sobczak via llvm-commits]

piotrAMD wrote:

> > Adding some AMD reviewers to check these test changes look OK
> 
> Thanks. @dstutt @piotrAMD @Ritson FYI.

Thanks - AMD test changes look good.

https://github.com/llvm/llvm-project/pull/71403