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 E8ED03851C18; Wed, 24 Jun 2020 07:51:06 +0000 (GMT)
DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org E8ED03851C18
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org;
 s=default; t=1592985066;
 bh=5mfzcgzy07pvAL37t0Eg6LhyCNEb6EVqkQJIedyWZFk=;
 h=From:To:Subject:Date:In-Reply-To:References:From;
 b=pXaiql4zKC1fpWNB+zr1Cp275CRlEHGTaiBE1fM2kiZO+GgH89zk8iZDZ5nwY+aDg
 3obq7MCKJuKqXbzzkqnF27nUrS1rsXRpezpQWTpdePr0UJ1orZ+qt9QMTPsphkxnOl
 arQVGYfHp3EGR+RlM1imdF6IjVqTJHHcGDMritbk=
From: "rguenth at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug ipa/95859] Statically true asserts not recognized as such with
 -O2, but with -O1, -Og, -O3
Date: Wed, 24 Jun 2020 07:51:06 +0000
X-Bugzilla-Reason: CC
X-Bugzilla-Type: changed
X-Bugzilla-Watch-Reason: None
X-Bugzilla-Product: gcc
X-Bugzilla-Component: ipa
X-Bugzilla-Version: 10.1.0
X-Bugzilla-Keywords: missed-optimization
X-Bugzilla-Severity: normal
X-Bugzilla-Who: rguenth at gcc dot gnu.org
X-Bugzilla-Status: WAITING
X-Bugzilla-Resolution: 
X-Bugzilla-Priority: P3
X-Bugzilla-Assigned-To: unassigned at gcc dot gnu.org
X-Bugzilla-Target-Milestone: ---
X-Bugzilla-Flags: 
X-Bugzilla-Changed-Fields: everconfirmed cc cf_reconfirmed_on component
 bug_status keywords
Message-ID: <bug-95859-4-ygHML9Kioq@http.gcc.gnu.org/bugzilla/>
In-Reply-To: <bug-95859-4@http.gcc.gnu.org/bugzilla/>
References: <bug-95859-4@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
X-BeenThere: gcc-bugs@gcc.gnu.org
X-Mailman-Version: 2.1.29
Precedence: list
List-Id: Gcc-bugs mailing list <gcc-bugs.gcc.gnu.org>
List-Unsubscribe: <http://gcc.gnu.org/mailman/options/gcc-bugs>,
 <mailto:gcc-bugs-request@gcc.gnu.org?subject=unsubscribe>
List-Archive: <https://gcc.gnu.org/pipermail/gcc-bugs/>
List-Post: <mailto:gcc-bugs@gcc.gnu.org>
List-Help: <mailto:gcc-bugs-request@gcc.gnu.org?subject=help>
List-Subscribe: <http://gcc.gnu.org/mailman/listinfo/gcc-bugs>,
 <mailto:gcc-bugs-request@gcc.gnu.org?subject=subscribe>
X-List-Received-Date: Wed, 24 Jun 2020 07:51:07 -0000

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D95859

Richard Biener <rguenth at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
     Ever confirmed|0                           |1
                 CC|                            |marxin at gcc dot gnu.org
   Last reconfirmed|                            |2020-06-24
          Component|rtl-optimization            |ipa
             Status|UNCONFIRMED                 |WAITING
           Keywords|                            |missed-optimization

--- Comment #1 from Richard Biener <rguenth at gcc dot gnu.org> ---
Hmm, from the compiler explorer link it looks like the functions are called
with
runtime values so whether the assertion holds is not known.  Now the questi=
on
is why we don't inline them.

We need preprocessed source to investigate.=