[Bug tree-optimization/77689] Missing vectorization lead to huge performance loss

[pinskia at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77689

--- Comment #13 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
On the trunk, loop splitting code is there but it is not actually splitting the
loop