From mboxrd@z Thu Jan  1 00:00:00 1970
Return-Path: <gcc-bugs-return-449565-listarch-gcc-bugs=gcc.gnu.org@gcc.gnu.org>
Received: (qmail 27854 invoked by alias); 22 Apr 2014 13:23:07 -0000
Mailing-List: contact gcc-bugs-help@gcc.gnu.org; run by ezmlm
Precedence: bulk
List-Id: <gcc-bugs.gcc.gnu.org>
List-Archive: <http://gcc.gnu.org/ml/gcc-bugs/>
List-Post: <mailto:gcc-bugs@gcc.gnu.org>
List-Help: <mailto:gcc-bugs-help@gcc.gnu.org>
Sender: gcc-bugs-owner@gcc.gnu.org
Received: (qmail 27791 invoked by uid 55); 22 Apr 2014 13:23:04 -0000
From: "rguenth at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug tree-optimization/59817] [4.8 Regression] ICE in extract_affine_chrec with -O2 -ftree-loop-linear
Date: Tue, 22 Apr 2014 13:23:00 -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: 4.9.0
X-Bugzilla-Keywords:
X-Bugzilla-Severity: normal
X-Bugzilla-Who: rguenth at gcc dot gnu.org
X-Bugzilla-Status: ASSIGNED
X-Bugzilla-Priority: P2
X-Bugzilla-Assigned-To: rguenth at gcc dot gnu.org
X-Bugzilla-Target-Milestone: 4.8.3
X-Bugzilla-Flags:
X-Bugzilla-Changed-Fields:
Message-ID: <bug-59817-4-nCxULcVQPM@http.gcc.gnu.org/bugzilla/>
In-Reply-To: <bug-59817-4@http.gcc.gnu.org/bugzilla/>
References: <bug-59817-4@http.gcc.gnu.org/bugzilla/>
Content-Type: text/plain; charset="UTF-8"
Content-Transfer-Encoding: 7bit
X-Bugzilla-URL: http://gcc.gnu.org/bugzilla/
Auto-Submitted: auto-generated
MIME-Version: 1.0
X-SW-Source: 2014-04/txt/msg01585.txt.bz2

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=59817

--- Comment #9 from Richard Biener <rguenth at gcc dot gnu.org> ---
Author: rguenth
Date: Tue Apr 22 13:22:32 2014
New Revision: 209628

URL: http://gcc.gnu.org/viewcvs?rev=209628&root=gcc&view=rev
Log:
2014-04-22  Richard Biener  <rguenther@suse.de>

    Backport from mainline
    2014-04-14  Richard Biener  <rguenther@suse.de>

    PR tree-optimization/59817
    PR tree-optimization/60453
    * graphite-scop-detection.c (graphite_can_represent_scev): Complete
    recursion to catch all CHRECs in the scalar evolution and restrict
    the predicate for the remains appropriately.

    * gfortran.dg/graphite/pr59817.f: New testcase.
    * gcc.dg/graphite/pr59817-1.c: Likewise.
    * gcc.dg/graphite/pr59817-2.c: Likewise.

Added:
    branches/gcc-4_9-branch/gcc/testsuite/gcc.dg/graphite/pr59817-1.c
    branches/gcc-4_9-branch/gcc/testsuite/gcc.dg/graphite/pr59817-2.c
    branches/gcc-4_9-branch/gcc/testsuite/gfortran.dg/graphite/pr59817.f
Modified:
    branches/gcc-4_9-branch/gcc/ChangeLog
    branches/gcc-4_9-branch/gcc/graphite-scop-detection.c
    branches/gcc-4_9-branch/gcc/testsuite/ChangeLog