[llvm] [AArch64][GlobalISel] Select G_ICMP instruction through TableGen (PR #89932)

[David Green via llvm-commits]

https://github.com/davemgreen approved this pull request.

Thanks for rebasing. These patterns look good to me, but please wait in case there are other comments about moving the patterns elsewhere.

https://github.com/llvm/llvm-project/pull/89932