[llvm] [AArch64] optimize lowering for icmp on i128 when RHS is an immediate (PR #181822)

[David Green via llvm-commits]

https://github.com/davemgreen commented:

AI has a tendancy to make too many small functions in a way that isn't always helpful. Can you try and clean it up a little.

IIUC the code in performSETCCCARRYCombine is separate from the code for eq/ne. Can they be separated out into different PRs?

https://github.com/llvm/llvm-project/pull/181822