* [Bug tree-optimization/44393] [4.5/4.6 Regression] ICE: verify_ssa failed: no immediate_use list with -Os -ftree-loop-distribution
2010-06-02 19:14 [Bug tree-optimization/44393] New: [4.5/4.6 Regression] ICE: verify_ssa failed: no immediate_use list with -Os -ftree-loop-distribution zsojka at seznam dot cz
@ 2010-06-02 19:15 ` rguenth at gcc dot gnu dot org
2010-06-02 19:16 ` zsojka at seznam dot cz
` (8 subsequent siblings)
9 siblings, 0 replies; 11+ messages in thread
From: rguenth at gcc dot gnu dot org @ 2010-06-02 19:15 UTC (permalink / raw)
To: gcc-bugs
--
rguenth at gcc dot gnu dot org changed:
What |Removed |Added
----------------------------------------------------------------------------
Target Milestone|--- |4.5.1
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=44393
^ permalink raw reply [flat|nested] 11+ messages in thread* [Bug tree-optimization/44393] [4.5/4.6 Regression] ICE: verify_ssa failed: no immediate_use list with -Os -ftree-loop-distribution
2010-06-02 19:14 [Bug tree-optimization/44393] New: [4.5/4.6 Regression] ICE: verify_ssa failed: no immediate_use list with -Os -ftree-loop-distribution zsojka at seznam dot cz
2010-06-02 19:15 ` [Bug tree-optimization/44393] " rguenth at gcc dot gnu dot org
@ 2010-06-02 19:16 ` zsojka at seznam dot cz
2010-06-07 17:30 ` pinskia at gcc dot gnu dot org
` (7 subsequent siblings)
9 siblings, 0 replies; 11+ messages in thread
From: zsojka at seznam dot cz @ 2010-06-02 19:16 UTC (permalink / raw)
To: gcc-bugs
------- Comment #1 from zsojka at seznam dot cz 2010-06-02 19:16 -------
Created an attachment (id=20813)
--> (http://gcc.gnu.org/bugzilla/attachment.cgi?id=20813&action=view)
reduced testcase (from gcc.target/i386/pr37101.c)
Command line:
$ gcc -ftree-loop-distribution -Os pr44393.c
or
$ gcc -ftree-loop-distribution -Os pr44393.c -m32
Doesn't fail at -O[0123]
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=44393
^ permalink raw reply [flat|nested] 11+ messages in thread* [Bug tree-optimization/44393] [4.5/4.6 Regression] ICE: verify_ssa failed: no immediate_use list with -Os -ftree-loop-distribution
2010-06-02 19:14 [Bug tree-optimization/44393] New: [4.5/4.6 Regression] ICE: verify_ssa failed: no immediate_use list with -Os -ftree-loop-distribution zsojka at seznam dot cz
2010-06-02 19:15 ` [Bug tree-optimization/44393] " rguenth at gcc dot gnu dot org
2010-06-02 19:16 ` zsojka at seznam dot cz
@ 2010-06-07 17:30 ` pinskia at gcc dot gnu dot org
2010-06-08 16:48 ` hjl dot tools at gmail dot com
` (6 subsequent siblings)
9 siblings, 0 replies; 11+ messages in thread
From: pinskia at gcc dot gnu dot org @ 2010-06-07 17:30 UTC (permalink / raw)
To: gcc-bugs
------- Comment #2 from pinskia at gcc dot gnu dot org 2010-06-07 17:29 -------
Confirmed.
--
pinskia at gcc dot gnu dot org changed:
What |Removed |Added
----------------------------------------------------------------------------
Keywords| |ice-on-valid-code
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=44393
^ permalink raw reply [flat|nested] 11+ messages in thread* [Bug tree-optimization/44393] [4.5/4.6 Regression] ICE: verify_ssa failed: no immediate_use list with -Os -ftree-loop-distribution
2010-06-02 19:14 [Bug tree-optimization/44393] New: [4.5/4.6 Regression] ICE: verify_ssa failed: no immediate_use list with -Os -ftree-loop-distribution zsojka at seznam dot cz
` (2 preceding siblings ...)
2010-06-07 17:30 ` pinskia at gcc dot gnu dot org
@ 2010-06-08 16:48 ` hjl dot tools at gmail dot com
2010-06-08 17:34 ` rguenth at gcc dot gnu dot org
` (5 subsequent siblings)
9 siblings, 0 replies; 11+ messages in thread
From: hjl dot tools at gmail dot com @ 2010-06-08 16:48 UTC (permalink / raw)
To: gcc-bugs
------- Comment #3 from hjl dot tools at gmail dot com 2010-06-08 16:47 -------
It is caused by revision 145494:
http://gcc.gnu.org/ml/gcc-cvs/2009-04/msg00115.html
--
hjl dot tools at gmail dot com changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |rguenth at gcc dot gnu dot
| |org
Status|UNCONFIRMED |NEW
Ever Confirmed|0 |1
Last reconfirmed|0000-00-00 00:00:00 |2010-06-08 16:47:23
date| |
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=44393
^ permalink raw reply [flat|nested] 11+ messages in thread* [Bug tree-optimization/44393] [4.5/4.6 Regression] ICE: verify_ssa failed: no immediate_use list with -Os -ftree-loop-distribution
2010-06-02 19:14 [Bug tree-optimization/44393] New: [4.5/4.6 Regression] ICE: verify_ssa failed: no immediate_use list with -Os -ftree-loop-distribution zsojka at seznam dot cz
` (3 preceding siblings ...)
2010-06-08 16:48 ` hjl dot tools at gmail dot com
@ 2010-06-08 17:34 ` rguenth at gcc dot gnu dot org
2010-06-09 11:03 ` zsojka at seznam dot cz
` (4 subsequent siblings)
9 siblings, 0 replies; 11+ messages in thread
From: rguenth at gcc dot gnu dot org @ 2010-06-08 17:34 UTC (permalink / raw)
To: gcc-bugs
------- Comment #4 from rguenth at gcc dot gnu dot org 2010-06-08 17:33 -------
Whatever.
--
rguenth at gcc dot gnu dot org changed:
What |Removed |Added
----------------------------------------------------------------------------
AssignedTo|unassigned at gcc dot gnu |rguenth at gcc dot gnu dot
|dot org |org
Status|NEW |ASSIGNED
Last reconfirmed|2010-06-08 16:47:23 |2010-06-08 17:33:49
date| |
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=44393
^ permalink raw reply [flat|nested] 11+ messages in thread* [Bug tree-optimization/44393] [4.5/4.6 Regression] ICE: verify_ssa failed: no immediate_use list with -Os -ftree-loop-distribution
2010-06-02 19:14 [Bug tree-optimization/44393] New: [4.5/4.6 Regression] ICE: verify_ssa failed: no immediate_use list with -Os -ftree-loop-distribution zsojka at seznam dot cz
` (4 preceding siblings ...)
2010-06-08 17:34 ` rguenth at gcc dot gnu dot org
@ 2010-06-09 11:03 ` zsojka at seznam dot cz
2010-06-24 21:39 ` rguenth at gcc dot gnu dot org
` (3 subsequent siblings)
9 siblings, 0 replies; 11+ messages in thread
From: zsojka at seznam dot cz @ 2010-06-09 11:03 UTC (permalink / raw)
To: gcc-bugs
------- Comment #5 from zsojka at seznam dot cz 2010-06-09 11:02 -------
The testcase also fails when it is changed to:
...
{
extern void *bar(void) __attribute__((malloc));
int **pp = bar(), *p = bar();
...
so there isn't any access through NULL pointer.
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=44393
^ permalink raw reply [flat|nested] 11+ messages in thread* [Bug tree-optimization/44393] [4.5/4.6 Regression] ICE: verify_ssa failed: no immediate_use list with -Os -ftree-loop-distribution
2010-06-02 19:14 [Bug tree-optimization/44393] New: [4.5/4.6 Regression] ICE: verify_ssa failed: no immediate_use list with -Os -ftree-loop-distribution zsojka at seznam dot cz
` (5 preceding siblings ...)
2010-06-09 11:03 ` zsojka at seznam dot cz
@ 2010-06-24 21:39 ` rguenth at gcc dot gnu dot org
2010-06-26 15:55 ` rguenth at gcc dot gnu dot org
` (2 subsequent siblings)
9 siblings, 0 replies; 11+ messages in thread
From: rguenth at gcc dot gnu dot org @ 2010-06-24 21:39 UTC (permalink / raw)
To: gcc-bugs
--
rguenth at gcc dot gnu dot org changed:
What |Removed |Added
----------------------------------------------------------------------------
Priority|P3 |P2
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=44393
^ permalink raw reply [flat|nested] 11+ messages in thread* [Bug tree-optimization/44393] [4.5/4.6 Regression] ICE: verify_ssa failed: no immediate_use list with -Os -ftree-loop-distribution
2010-06-02 19:14 [Bug tree-optimization/44393] New: [4.5/4.6 Regression] ICE: verify_ssa failed: no immediate_use list with -Os -ftree-loop-distribution zsojka at seznam dot cz
` (6 preceding siblings ...)
2010-06-24 21:39 ` rguenth at gcc dot gnu dot org
@ 2010-06-26 15:55 ` rguenth at gcc dot gnu dot org
2010-06-26 15:57 ` rguenth at gcc dot gnu dot org
2010-06-26 15:58 ` rguenth at gcc dot gnu dot org
9 siblings, 0 replies; 11+ messages in thread
From: rguenth at gcc dot gnu dot org @ 2010-06-26 15:55 UTC (permalink / raw)
To: gcc-bugs
------- Comment #6 from rguenth at gcc dot gnu dot org 2010-06-26 15:55 -------
Subject: Bug 44393
Author: rguenth
Date: Sat Jun 26 15:55:05 2010
New Revision: 161434
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=161434
Log:
2010-06-26 Richard Guenther <rguenther@suse.de>
PR tree-optimization/44393
* tree-loop-distribution.c (generate_loops_for_partition): Fix
stmt removal and VOP renaming.
(generate_memset_zero): Remove redundant stmt updating.
* tree-flow.h (mark_virtual_ops_in_bb): Remove.
* tree-cfg.c (mark_virtual_ops_in_bb): Likewise.
* gcc.dg/pr44393.c: New testcase.
Added:
trunk/gcc/testsuite/gcc.dg/pr44393.c
Modified:
trunk/gcc/ChangeLog
trunk/gcc/testsuite/ChangeLog
trunk/gcc/tree-cfg.c
trunk/gcc/tree-flow.h
trunk/gcc/tree-loop-distribution.c
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=44393
^ permalink raw reply [flat|nested] 11+ messages in thread* [Bug tree-optimization/44393] [4.5/4.6 Regression] ICE: verify_ssa failed: no immediate_use list with -Os -ftree-loop-distribution
2010-06-02 19:14 [Bug tree-optimization/44393] New: [4.5/4.6 Regression] ICE: verify_ssa failed: no immediate_use list with -Os -ftree-loop-distribution zsojka at seznam dot cz
` (7 preceding siblings ...)
2010-06-26 15:55 ` rguenth at gcc dot gnu dot org
@ 2010-06-26 15:57 ` rguenth at gcc dot gnu dot org
2010-06-26 15:58 ` rguenth at gcc dot gnu dot org
9 siblings, 0 replies; 11+ messages in thread
From: rguenth at gcc dot gnu dot org @ 2010-06-26 15:57 UTC (permalink / raw)
To: gcc-bugs
------- Comment #7 from rguenth at gcc dot gnu dot org 2010-06-26 15:57 -------
Subject: Bug 44393
Author: rguenth
Date: Sat Jun 26 15:57:17 2010
New Revision: 161435
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=161435
Log:
2010-06-26 Richard Guenther <rguenther@suse.de>
PR tree-optimization/44393
* tree-loop-distribution.c (generate_loops_for_partition): Fix
stmt removal and VOP renaming.
(generate_memset_zero): Remove redundant stmt updating.
* tree-flow.h (mark_virtual_ops_in_bb): Remove.
* tree-cfg.c (mark_virtual_ops_in_bb): Likewise.
* gcc.dg/pr44393.c: New testcase.
Added:
branches/gcc-4_5-branch/gcc/testsuite/gcc.dg/pr44393.c
Modified:
branches/gcc-4_5-branch/gcc/ChangeLog
branches/gcc-4_5-branch/gcc/testsuite/ChangeLog
branches/gcc-4_5-branch/gcc/tree-cfg.c
branches/gcc-4_5-branch/gcc/tree-flow.h
branches/gcc-4_5-branch/gcc/tree-loop-distribution.c
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=44393
^ permalink raw reply [flat|nested] 11+ messages in thread* [Bug tree-optimization/44393] [4.5/4.6 Regression] ICE: verify_ssa failed: no immediate_use list with -Os -ftree-loop-distribution
2010-06-02 19:14 [Bug tree-optimization/44393] New: [4.5/4.6 Regression] ICE: verify_ssa failed: no immediate_use list with -Os -ftree-loop-distribution zsojka at seznam dot cz
` (8 preceding siblings ...)
2010-06-26 15:57 ` rguenth at gcc dot gnu dot org
@ 2010-06-26 15:58 ` rguenth at gcc dot gnu dot org
9 siblings, 0 replies; 11+ messages in thread
From: rguenth at gcc dot gnu dot org @ 2010-06-26 15:58 UTC (permalink / raw)
To: gcc-bugs
------- Comment #8 from rguenth at gcc dot gnu dot org 2010-06-26 15:58 -------
Fixed.
--
rguenth at gcc dot gnu dot org changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|ASSIGNED |RESOLVED
Known to fail| |4.5.0
Resolution| |FIXED
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=44393
^ permalink raw reply [flat|nested] 11+ messages in thread