[llvm] [AArch64] Extend optimizeCrossBlock() to handle select-family instruc… (PR #208369)

[Mugundan S via llvm-commits]

MGN-GIT wrote:

Hi @hussam-alhassan & @nasherm 

Please feel free to add your review comments and suggestions, I happy to work the changes if needed.

Thanks

https://github.com/llvm/llvm-project/pull/208369