[llvm] [BOLT][AArch64] Transform cmpbr ~> cmp + br when inversion not possible (PR #185731)

[Paschalis Mpeis via llvm-commits]

https://github.com/paschalis-mpeis approved this pull request.

Hey Alexandros,

Thanks for your work and apologies for the delay. Looks good!
Let's give it another day in case there are any further comments.

https://github.com/llvm/llvm-project/pull/185731