[llvm] [LV] Pure runtime check for minimum profitable trip count. (PR #115833)

[David Sherwood via llvm-commits]

https://github.com/david-arm requested changes to this pull request.

Hi @Mel-Chen, really sorry I don't normally like doing this but I have to request changes for now until the regression with the x264 benchmark is fixed.

https://github.com/llvm/llvm-project/pull/115833