[Bug tree-optimization/91775] Can eliminate compare from loop with known number of iterations

[pinskia at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91775

--- Comment #3 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
I dont know/remember if iv-opts takes into account the cost difference of the
comparisons for the exit condition.

If it does then this becomes a target issue.