[Bug target/125640] MAX(x, -1) can use orr with ash operand

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=125640

--- Comment #3 from Drea Pinski <pinskia at gcc dot gnu.org> ---
(In reply to Richard Earnshaw from comment #2)
> Something for match.pd?  The simplification is generic.

The max form is Canonical for gimple. So if anything then expand.