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[Bug tree-optimization/30565] ICE with -O1 -ftree-pre -ftree-loop-linear
- From: "rguenth at gcc dot gnu dot org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 30 Apr 2007 09:17:47 -0000
- Subject: [Bug tree-optimization/30565] ICE with -O1 -ftree-pre -ftree-loop-linear
- References: <bug-30565-8902@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #3 from rguenth at gcc dot gnu dot org 2007-04-30 10:17 -------
Program received signal SIGSEGV, Segmentation fault.
0x08184f89 in compute_dominance_frontiers_1 (frontiers=0x8af0688)
at /home/richard/src/trunk2/gcc/cfganal.c:1057
1057 if (bitmap_bit_p (frontiers[runner->index],
b->index))
(gdb) print runner
$2 = (basic_block) 0x0
CFG is hosed.
(gdb) bt
#0 0x08184f89 in compute_dominance_frontiers_1 (frontiers=0x8af0688)
at /home/richard/src/trunk2/gcc/cfganal.c:1057
#1 0x08185055 in compute_dominance_frontiers (frontiers=0x8af0688)
at /home/richard/src/trunk2/gcc/cfganal.c:1075
#2 0x084a20ad in update_ssa (update_flags=1024)
at /home/richard/src/trunk2/gcc/tree-into-ssa.c:3277
#3 0x0856163d in rewrite_into_loop_closed_ssa (changed_bbs=0x0,
update_flag=4096) at /home/richard/src/trunk2/gcc/tree-ssa-loop-manip.c:391
#4 0x088cf131 in linear_transform_loops ()
at /home/richard/src/trunk2/gcc/tree-loop-linear.c:367
#5 0x08571cd4 in tree_linear_transform ()
Zdenek?
--
rguenth at gcc dot gnu dot org changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |dberlin at gcc dot gnu dot
| |org, rakdver at gcc dot gnu
| |dot org
Status|UNCONFIRMED |NEW
Ever Confirmed|0 |1
Last reconfirmed|0000-00-00 00:00:00 |2007-04-30 10:17:47
date| |
Summary|ICE with -O1 -ftree-pre - |ICE with -O1 -ftree-pre -
|ftree-loop-linear -funroll- |ftree-loop-linear
|loops |
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=30565