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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/114489] introduced redundant load facing
 different branches
Date: Tue, 26 Mar 2024 20:18:30 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D114489

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

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |RESOLVED
         Resolution|---                         |WONTFIX

--- Comment #1 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
  <bb 3> [local count: 375809640]:
  _3 =3D g1;
  goto <bb 5>; [100.00%]

  <bb 4> [local count: 697932184]:
  g2.1_2 =3D g2;
  arr[0] =3D g2.1_2;
  _8 =3D g1;

  <bb 5> [local count: 1073741824]:
  # _6 =3D PHI <_8(4), _3(3)>

Which does not optimize unless using -O2.

This is on purpose.=