http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58681
--- Comment #2 from Richard Biener <rguenth at gcc dot gnu.org> ---
(In reply to Richard Biener from comment #1)
> We used to factor
>
> # c_1 = PHI <-3(2), 0(4), 0(3)>
> # d_2 = PHI <-1(2), 12(4), 12(3)>
> # e_3 = PHI <-20(2), 26(4), 26(3)>
> # f_4 = PHI <-5(2), 7(4), 7(3)>
> lab:
>
> into
>
> <bb42>
> # c_11 = PHI <0(4), 0(3)>
> # d_21 = PHI <12(4), 12(3)>
> # e_31 = PHI <26(4), 26(3)>
> # f_41 = PHI <7(4), 7(3)>
Of course just
c_11 = 0;
d_21 = 12;
e_31 = 26;
f_41 = 7;
> # c_1 = PHI <-3(2), c_11(42)>
> # d_2 = PHI <-1(2), d_21(42)>
> # e_3 = PHI <-20(2), e_31(42)>
> # f_4 = PHI <-5(2), f_41(42)>
> lab:
>
> when we really got out-of-SSA. I suspect this would have fixed the issue?
