[Bug tree-optimization/106570] [12/13/14 Regression] DCE sometimes fails with depending if statements since r12-2305-g398572c1544d8b75

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106570

Andrew Pinski <pinskia at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
           See Also|                            |https://gcc.gnu.org/bugzill
                   |                            |a/show_bug.cgi?id=107880

--- Comment #7 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
I suspect if we optimize:
 _1 = ~c_6(D);
  _2 = _1 & s_7(D);

to:
c < s;

VRP will just work now.

(that would be PR 107880 ).