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From: "pinskia at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug tree-optimization/106570] [12/13/14 Regression] DCE sometimes
 fails with depending if statements since r12-2305-g398572c1544d8b75
Date: Thu, 13 Jul 2023 18:38:23 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D106570

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

           What    |Removed                     |Added
----------------------------------------------------------------------------
           See Also|                            |https://gcc.gnu.org/bugzill
                   |                            |a/show_bug.cgi?id=3D107880

--- Comment #7 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
I suspect if we optimize:
 _1 =3D ~c_6(D);
  _2 =3D _1 & s_7(D);

to:
c < s;

VRP will just work now.

(that would be PR 107880 ).=