* [Bug middle-end/46404] [4.6 Regression] ICE: definition in block 5 does not dominate use in block 32 with -O -fgraphite-identity -fno-tree-scev-cprop
2010-11-10 1:16 [Bug middle-end/46404] New: [4.6 Regression] ICE: definition in block 5 does not dominate use in block 32 with -O -fgraphite-identity -fno-tree-scev-cprop zsojka at seznam dot cz
@ 2010-11-10 12:12 ` hjl.tools at gmail dot com
2010-11-15 13:25 ` rguenth at gcc dot gnu.org
` (7 subsequent siblings)
8 siblings, 0 replies; 10+ messages in thread
From: hjl.tools at gmail dot com @ 2010-11-10 12:12 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46404
H.J. Lu <hjl.tools at gmail dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |NEW
Last reconfirmed| |2010.11.10 12:12:06
Target Milestone|--- |4.6.0
Ever Confirmed|0 |1
--- Comment #1 from H.J. Lu <hjl.tools at gmail dot com> 2010-11-10 12:12:06 UTC ---
It is caused by revision 163118:
http://gcc.gnu.org/ml/gcc-cvs/2010-08/msg00329.html
^ permalink raw reply [flat|nested] 10+ messages in thread
* [Bug middle-end/46404] [4.6 Regression] ICE: definition in block 5 does not dominate use in block 32 with -O -fgraphite-identity -fno-tree-scev-cprop
2010-11-10 1:16 [Bug middle-end/46404] New: [4.6 Regression] ICE: definition in block 5 does not dominate use in block 32 with -O -fgraphite-identity -fno-tree-scev-cprop zsojka at seznam dot cz
2010-11-10 12:12 ` [Bug middle-end/46404] " hjl.tools at gmail dot com
@ 2010-11-15 13:25 ` rguenth at gcc dot gnu.org
2010-12-15 17:39 ` spop at gcc dot gnu.org
` (6 subsequent siblings)
8 siblings, 0 replies; 10+ messages in thread
From: rguenth at gcc dot gnu.org @ 2010-11-15 13:25 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46404
Richard Guenther <rguenth at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Priority|P3 |P1
^ permalink raw reply [flat|nested] 10+ messages in thread
* [Bug middle-end/46404] [4.6 Regression] ICE: definition in block 5 does not dominate use in block 32 with -O -fgraphite-identity -fno-tree-scev-cprop
2010-11-10 1:16 [Bug middle-end/46404] New: [4.6 Regression] ICE: definition in block 5 does not dominate use in block 32 with -O -fgraphite-identity -fno-tree-scev-cprop zsojka at seznam dot cz
2010-11-10 12:12 ` [Bug middle-end/46404] " hjl.tools at gmail dot com
2010-11-15 13:25 ` rguenth at gcc dot gnu.org
@ 2010-12-15 17:39 ` spop at gcc dot gnu.org
2010-12-15 17:52 ` zsojka at seznam dot cz
` (5 subsequent siblings)
8 siblings, 0 replies; 10+ messages in thread
From: spop at gcc dot gnu.org @ 2010-12-15 17:39 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46404
Sebastian Pop <spop at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |ASSIGNED
AssignedTo|unassigned at gcc dot |spop at gcc dot gnu.org
|gnu.org |
--- Comment #2 from Sebastian Pop <spop at gcc dot gnu.org> 2010-12-15 17:38:37 UTC ---
I cannot reproduce this error on trunk r167844.
I am running a git bisect to identify which patch fixed this PR.
^ permalink raw reply [flat|nested] 10+ messages in thread
* [Bug middle-end/46404] [4.6 Regression] ICE: definition in block 5 does not dominate use in block 32 with -O -fgraphite-identity -fno-tree-scev-cprop
2010-11-10 1:16 [Bug middle-end/46404] New: [4.6 Regression] ICE: definition in block 5 does not dominate use in block 32 with -O -fgraphite-identity -fno-tree-scev-cprop zsojka at seznam dot cz
` (2 preceding siblings ...)
2010-12-15 17:39 ` spop at gcc dot gnu.org
@ 2010-12-15 17:52 ` zsojka at seznam dot cz
2010-12-15 17:55 ` spop at gcc dot gnu.org
` (4 subsequent siblings)
8 siblings, 0 replies; 10+ messages in thread
From: zsojka at seznam dot cz @ 2010-12-15 17:52 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46404
--- Comment #3 from Zdenek Sojka <zsojka at seznam dot cz> 2010-12-15 17:52:09 UTC ---
I can't reproduce it neither with the reduced testcase, but the original one
still fails (I am sorry for not mentioning it was reduced from
gcc.dg/graphite/pr42284.c):
$ gcc -O -fgraphite-identity -fno-tree-scev-cprop pr42284.i
/mnt/svn/gcc-trunk/gcc/testsuite/gcc.dg/graphite/pr42284.c: In function
'inflate_fixed':
/mnt/svn/gcc-trunk/gcc/testsuite/gcc.dg/graphite/pr42284.c:11:1: error:
definition in block 5 does not dominate use in block 59
for SSA_NAME: i_34 in statement:
D.2738_52 = 256 - i_34;
/mnt/svn/gcc-trunk/gcc/testsuite/gcc.dg/graphite/pr42284.c:11:1: internal
compiler error: verify_ssa failed
Please submit a full bug report,
with preprocessed source if appropriate.
See <http://gcc.gnu.org/bugs.html> for instructions.
^ permalink raw reply [flat|nested] 10+ messages in thread
* [Bug middle-end/46404] [4.6 Regression] ICE: definition in block 5 does not dominate use in block 32 with -O -fgraphite-identity -fno-tree-scev-cprop
2010-11-10 1:16 [Bug middle-end/46404] New: [4.6 Regression] ICE: definition in block 5 does not dominate use in block 32 with -O -fgraphite-identity -fno-tree-scev-cprop zsojka at seznam dot cz
` (3 preceding siblings ...)
2010-12-15 17:52 ` zsojka at seznam dot cz
@ 2010-12-15 17:55 ` spop at gcc dot gnu.org
2010-12-15 20:44 ` spop at gcc dot gnu.org
` (3 subsequent siblings)
8 siblings, 0 replies; 10+ messages in thread
From: spop at gcc dot gnu.org @ 2010-12-15 17:55 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46404
--- Comment #4 from Sebastian Pop <spop at gcc dot gnu.org> 2010-12-15 17:55:26 UTC ---
Ok, I will have a look at that one as well.
Thanks for pointing out that this error was not fixed, but probably hidden.
^ permalink raw reply [flat|nested] 10+ messages in thread
* [Bug middle-end/46404] [4.6 Regression] ICE: definition in block 5 does not dominate use in block 32 with -O -fgraphite-identity -fno-tree-scev-cprop
2010-11-10 1:16 [Bug middle-end/46404] New: [4.6 Regression] ICE: definition in block 5 does not dominate use in block 32 with -O -fgraphite-identity -fno-tree-scev-cprop zsojka at seznam dot cz
` (4 preceding siblings ...)
2010-12-15 17:55 ` spop at gcc dot gnu.org
@ 2010-12-15 20:44 ` spop at gcc dot gnu.org
2010-12-15 22:01 ` spop at gcc dot gnu.org
` (2 subsequent siblings)
8 siblings, 0 replies; 10+ messages in thread
From: spop at gcc dot gnu.org @ 2010-12-15 20:44 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46404
--- Comment #5 from Sebastian Pop <spop at gcc dot gnu.org> 2010-12-15 20:44:41 UTC ---
This commit fixed the reduced testcase:
Fix PR46845: handle scop parameters before scev analysis.
2010-12-14 Sebastian Pop <sebastian.pop@amd.com>
PR tree-optimization/46845
* sese.c (scalar_evolution_in_region): Handle scop parameters
before scev analysis.
* gcc.dg/graphite/id-pr46845.c: New.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@167844
138bc75d-0d04-0410-961f-82ee72b054a4
^ permalink raw reply [flat|nested] 10+ messages in thread
* [Bug middle-end/46404] [4.6 Regression] ICE: definition in block 5 does not dominate use in block 32 with -O -fgraphite-identity -fno-tree-scev-cprop
2010-11-10 1:16 [Bug middle-end/46404] New: [4.6 Regression] ICE: definition in block 5 does not dominate use in block 32 with -O -fgraphite-identity -fno-tree-scev-cprop zsojka at seznam dot cz
` (5 preceding siblings ...)
2010-12-15 20:44 ` spop at gcc dot gnu.org
@ 2010-12-15 22:01 ` spop at gcc dot gnu.org
2010-12-16 20:05 ` spop at gcc dot gnu.org
2010-12-16 20:06 ` spop at gcc dot gnu.org
8 siblings, 0 replies; 10+ messages in thread
From: spop at gcc dot gnu.org @ 2010-12-15 22:01 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46404
--- Comment #6 from Sebastian Pop <spop at gcc dot gnu.org> 2010-12-15 22:01:04 UTC ---
Author: spop
Date: Wed Dec 15 22:00:59 2010
New Revision: 167876
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=167876
Log:
Add testcase for PR46404.
2010-12-15 Sebastian Pop <sebastian.pop@amd.com>
PR tree-optimization/46404
* gcc.dg/graphite/pr46404.c: New.
Added:
trunk/gcc/testsuite/gcc.dg/graphite/pr46404.c
Modified:
trunk/gcc/testsuite/ChangeLog
^ permalink raw reply [flat|nested] 10+ messages in thread
* [Bug middle-end/46404] [4.6 Regression] ICE: definition in block 5 does not dominate use in block 32 with -O -fgraphite-identity -fno-tree-scev-cprop
2010-11-10 1:16 [Bug middle-end/46404] New: [4.6 Regression] ICE: definition in block 5 does not dominate use in block 32 with -O -fgraphite-identity -fno-tree-scev-cprop zsojka at seznam dot cz
` (6 preceding siblings ...)
2010-12-15 22:01 ` spop at gcc dot gnu.org
@ 2010-12-16 20:05 ` spop at gcc dot gnu.org
2010-12-16 20:06 ` spop at gcc dot gnu.org
8 siblings, 0 replies; 10+ messages in thread
From: spop at gcc dot gnu.org @ 2010-12-16 20:05 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46404
--- Comment #7 from Sebastian Pop <spop at gcc dot gnu.org> 2010-12-16 20:05:23 UTC ---
Author: spop
Date: Thu Dec 16 20:05:18 2010
New Revision: 167954
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=167954
Log:
Fix PR46404: call scev_reset to reset the number of iterations as well.
2010-12-16 Sebastian Pop <sebastian.pop@amd.com>
PR tree-optimization/46404
* graphite-clast-to-gimple.c (gloog): Call scev_reset.
* gcc.dg/graphite/pr46404-1.c: New.
Added:
trunk/gcc/testsuite/gcc.dg/graphite/pr46404-1.c
Modified:
trunk/gcc/ChangeLog
trunk/gcc/graphite-clast-to-gimple.c
trunk/gcc/testsuite/ChangeLog
^ permalink raw reply [flat|nested] 10+ messages in thread
* [Bug middle-end/46404] [4.6 Regression] ICE: definition in block 5 does not dominate use in block 32 with -O -fgraphite-identity -fno-tree-scev-cprop
2010-11-10 1:16 [Bug middle-end/46404] New: [4.6 Regression] ICE: definition in block 5 does not dominate use in block 32 with -O -fgraphite-identity -fno-tree-scev-cprop zsojka at seznam dot cz
` (7 preceding siblings ...)
2010-12-16 20:05 ` spop at gcc dot gnu.org
@ 2010-12-16 20:06 ` spop at gcc dot gnu.org
8 siblings, 0 replies; 10+ messages in thread
From: spop at gcc dot gnu.org @ 2010-12-16 20:06 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46404
Sebastian Pop <spop at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|ASSIGNED |RESOLVED
Resolution| |FIXED
--- Comment #8 from Sebastian Pop <spop at gcc dot gnu.org> 2010-12-16 20:06:47 UTC ---
Fixed.
^ permalink raw reply [flat|nested] 10+ messages in thread