[Bug middle-end/122193] MIssing optimization for branches that differ on a constant

[pinskia at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=122193

--- Comment #3 from Drea Pinski <pinskia at gcc dot gnu.org> ---
factor_out_conditional_load needs to support more than:
      || !integer_zerop (TREE_OPERAND (ref0, 1))
      || !integer_zerop (TREE_OPERAND (ref1, 1))