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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/67998] redundant test for 0 when also
 checking inequality
Date: Thu, 03 Jun 2021 04:14:44 +0000
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X-Bugzilla-Component: tree-optimization
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D67998

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

           What    |Removed                     |Added
----------------------------------------------------------------------------
         Resolution|---                         |FIXED
             Status|NEW                         |RESOLVED
   Target Milestone|---                         |12.0
      Known to fail|                            |7.1.0

--- Comment #2 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
Fixed already on the trunk, I have not tried any other version (except GCC 7
where it was still broken):
  <bb 2> [local count: 1073741824]:
  if (a_2(D) <=3D b_3(D))
    goto <bb 3>; [34.00%]
  else
    goto <bb 4>; [66.00%]

  <bb 3> [local count: 365072224]:

  <bb 4> [local count: 1073741824]:
  # _1 =3D PHI <5(3), 2(2)>=