From mboxrd@z Thu Jan  1 00:00:00 1970
Return-Path: <gcc-bugzilla@gcc.gnu.org>
Received: by sourceware.org (Postfix, from userid 48)
	id 2B56F3858D1E; Sat, 11 Mar 2023 17:07:32 +0000 (GMT)
DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 2B56F3858D1E
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org;
	s=default; t=1678554452;
	bh=t9bA89xUm6xWljM0B/OF86SUZ/pqW7gHplnvTChzV6o=;
	h=From:To:Subject:Date:In-Reply-To:References:From;
	b=XbXYN5hrxb4awRtJ1d0RBmuAFvNVWa9b7Neolil36XUrur2bl71CH0oR1A2fHe+us
	 ervaLpindyMqF315v478qe2bEplQmrA5+yx1Pa5gtmrFr2UqFkY056AhvtyEyTNLhV
	 VmZlEJHIkTcvM02nqvYPA/jlV+WBhtIWEgYCriSI=
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 Regression] DCE sometimes
 fails with depending if statements since r12-2305-g398572c1544d8b75
Date: Sat, 11 Mar 2023 17:07:31 +0000
X-Bugzilla-Reason: CC
X-Bugzilla-Type: changed
X-Bugzilla-Watch-Reason: None
X-Bugzilla-Product: gcc
X-Bugzilla-Component: tree-optimization
X-Bugzilla-Version: 12.1.0
X-Bugzilla-Keywords: missed-optimization, needs-bisection
X-Bugzilla-Severity: normal
X-Bugzilla-Who: pinskia at gcc dot gnu.org
X-Bugzilla-Status: NEW
X-Bugzilla-Resolution: 
X-Bugzilla-Priority: P2
X-Bugzilla-Assigned-To: unassigned at gcc dot gnu.org
X-Bugzilla-Target-Milestone: 12.3
X-Bugzilla-Flags: 
X-Bugzilla-Changed-Fields: keywords cf_known_to_fail cf_known_to_work
Message-ID: <bug-106570-4-je4ckiOTgC@http.gcc.gnu.org/bugzilla/>
In-Reply-To: <bug-106570-4@http.gcc.gnu.org/bugzilla/>
References: <bug-106570-4@http.gcc.gnu.org/bugzilla/>
Content-Type: text/plain; charset="UTF-8"
Content-Transfer-Encoding: quoted-printable
X-Bugzilla-URL: http://gcc.gnu.org/bugzilla/
Auto-Submitted: auto-generated
MIME-Version: 1.0
List-Id: <gcc-bugs.sourceware.org>

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D106570

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

           What    |Removed                     |Added
----------------------------------------------------------------------------
           Keywords|                            |needs-bisection
      Known to fail|                            |12.1.0
      Known to work|                            |11.1.0

--- Comment #4 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
Note on the trunk, now the first example fails at -O2 and not just -O3. It
might be useful to do a bisect there too.

The second example failed for -O2 for GCC 12 too.=