[llvm] [VPlan] Use BlockFrequencyInfo in getPredBlockCostDivisor (PR #158690)

[Florian Hahn via llvm-commits]

https://github.com/fhahn commented:

Thanks for the latest updates! I will check the impact on AArch64 today to make sure there are no surprises.

The PR description still mentions +0.3% compile-time impact, but IIUC with the latest changes it is much lower, right? Would be good to update

https://github.com/llvm/llvm-project/pull/158690