[llvm] [AArch64] ConditionOptimizer: replace intra-block scan with map-based algorithm (PR #190455)

[Victor Campos via llvm-commits]

https://github.com/vhscampos commented:

It looks good to me overall, apart from one minor typo, but I don't know a lot about what's involved here, so I can't really help with a proper review.

https://github.com/llvm/llvm-project/pull/190455