[Bug tree-optimization/112324] phiopt fail to recog if (b < 0) max = MAX(-b, max); else max = MAX (b, max) into max = MAX (ABS(b), max)

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112324

--- Comment #4 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
(In reply to Andrew Pinski from comment #3)
> Note a simple patch to improve phiopt here does not improve the original
> code in openjpeg.
> 
> The reason why is due to the code in phiopt here is only operates on the
> case where the phi would be the only one. In that case we also have a vop
> phi which changes which causes the code not to be done.

But maybe ifcvt could use the same function to do the transformation before it
does the conversion ...