[Bug tree-optimization/103216] missed optimization, phiopt/vrp?

[pinskia at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103216

--- Comment #4 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
(In reply to Andrew Pinski from comment #3) 
> I am going to implement this.  I think I only need the first conversion (and
> making sure cond goes away which leads to the second one) which should lead
> to the rest (after having fixed PR 103218 which I am doing first which is
> needed to get the 4th line).

I was right and wrong. I still need to debug match-and-simplify for why ! does
not work in one case, I thought it would.

Also the last 5 steps did not happen either on the gimple level, I filed PR
103220 for that.