[Bug tree-optimization/85501] missed if-conversion / phiopt trick

[pinskia at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85501

--- Comment #2 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
Take:
void f(float *myVector, float *result, int i )
{
for(int n = 0; n < 1024; n++)
if (myVector[n] > 0.5){
    result[n] = 0.8f;
}
else {
    result[n] = 0.1f;
}
}

This loop does get vectorized at -O3 and produces the conditional move at -O2
but the tree level for the scalar side has a store inside the conditional
still.