[llvm] [IRCE] Relax profitability check (PR #104659)

[Aleksandr Popov via llvm-commits]

aleks-tmb wrote:

> Consider, for example, a loop with 100 iterations, where IRCE currently eliminates all 100 range checks. The same range checks performed over a loop with 200 iterations aren't eliminated because the branch is 50-50.

Could you please add a test where range checks are not eliminated by the current IRCE, but are eliminated by your patch, to demonstrate the impact of the changes?

https://github.com/llvm/llvm-project/pull/104659