[Bug tree-optimization/109638] unsigned > 1 ? 0 : n is not optimized to n == 1

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109638

--- Comment #1 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
This should do it, I think:

(simplify
 (cond (lt @1 integer_onep@2) integer_zerop @1)
 (if (TYPE_UNSIGNED (type))
  (convert (eq @1 @2))))