public inbox for gcc-bugs@sourceware.org
help / color / mirror / Atom feed
* [Bug tree-optimization/111671] New: ICE in get_default_value, at tree-ssa-ccp.cc:312
@ 2023-10-03 7:11 shaohua.li at inf dot ethz.ch
2023-10-04 9:48 ` [Bug tree-optimization/111671] [14 Regression] " rguenth at gcc dot gnu.org
` (3 more replies)
0 siblings, 4 replies; 5+ messages in thread
From: shaohua.li at inf dot ethz.ch @ 2023-10-03 7:11 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=111671
Bug ID: 111671
Summary: ICE in get_default_value, at tree-ssa-ccp.cc:312
Product: gcc
Version: 14.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: tree-optimization
Assignee: unassigned at gcc dot gnu.org
Reporter: shaohua.li at inf dot ethz.ch
CC: aldyh at redhat dot com
Target Milestone: ---
gcc at -O2/3 crashes.
Bisected to r14-2965-gc83528d2367
Compiler explorer: https://godbolt.org/z/MEnY9sYh5
$ cat a.c
int a, b, c, d;
int e() {
if (a)
return 0;
return -1;
}
static unsigned f(short);
void h() {
int g = 59258;
b = -50;
g |= e() + b;
f(g);
}
unsigned f(short i) {
int *j[15], *k[15] = {};
j[0] = 0;
{
long l[4];
long m = *l, *n[] = {&m};
for (; c; c++)
d = i;
int** o[] = {k, j};
}
}
int main() {}
$
$ gcc -O2 a.c
during GIMPLE pass: ccp
a.c: In function ‘f.isra’:
a.c:14:10: internal compiler error: in get_default_value, at
tree-ssa-ccp.cc:312
14 | unsigned f(short i) {
| ^
0x7ff11cd60082 __libc_start_main
../csu/libc-start.c:308
Please submit a full bug report, with preprocessed source (by using
-freport-bug).
Please include the complete backtrace with any bug report.
See <https://gcc.gnu.org/bugs/> for instructions.
$
^ permalink raw reply [flat|nested] 5+ messages in thread
* [Bug tree-optimization/111671] [14 Regression] ICE in get_default_value, at tree-ssa-ccp.cc:312
2023-10-03 7:11 [Bug tree-optimization/111671] New: ICE in get_default_value, at tree-ssa-ccp.cc:312 shaohua.li at inf dot ethz.ch
@ 2023-10-04 9:48 ` rguenth at gcc dot gnu.org
2023-10-17 13:03 ` rguenth at gcc dot gnu.org
` (2 subsequent siblings)
3 siblings, 0 replies; 5+ messages in thread
From: rguenth at gcc dot gnu.org @ 2023-10-04 9:48 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=111671
Richard Biener <rguenth at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Last reconfirmed| |2023-10-04
Target Milestone|--- |14.0
Keywords| |ice-on-valid-code
Summary|ICE in get_default_value, |[14 Regression] ICE in
|at tree-ssa-ccp.cc:312 |get_default_value, at
| |tree-ssa-ccp.cc:312
Ever confirmed|0 |1
Status|UNCONFIRMED |NEW
--- Comment #1 from Richard Biener <rguenth at gcc dot gnu.org> ---
Confirmed. Might be an issue in IPA VRP / ranger not properly normalizing the
value part.
^ permalink raw reply [flat|nested] 5+ messages in thread
* [Bug tree-optimization/111671] [14 Regression] ICE in get_default_value, at tree-ssa-ccp.cc:312
2023-10-03 7:11 [Bug tree-optimization/111671] New: ICE in get_default_value, at tree-ssa-ccp.cc:312 shaohua.li at inf dot ethz.ch
2023-10-04 9:48 ` [Bug tree-optimization/111671] [14 Regression] " rguenth at gcc dot gnu.org
@ 2023-10-17 13:03 ` rguenth at gcc dot gnu.org
2023-11-11 13:58 ` [Bug tree-optimization/111671] [14 Regression] ICE in get_default_value, at tree-ssa-ccp.cc:312 since r14-2965-gc83528d2367 shaohua.li at inf dot ethz.ch
2024-03-07 21:44 ` law at gcc dot gnu.org
3 siblings, 0 replies; 5+ messages in thread
From: rguenth at gcc dot gnu.org @ 2023-10-17 13:03 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=111671
Richard Biener <rguenth at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |WAITING
Keywords| |needs-bisection
--- Comment #2 from Richard Biener <rguenth at gcc dot gnu.org> ---
Seems to be fixed, possibly by the _BitInt<> changes.
^ permalink raw reply [flat|nested] 5+ messages in thread
* [Bug tree-optimization/111671] [14 Regression] ICE in get_default_value, at tree-ssa-ccp.cc:312 since r14-2965-gc83528d2367
2023-10-03 7:11 [Bug tree-optimization/111671] New: ICE in get_default_value, at tree-ssa-ccp.cc:312 shaohua.li at inf dot ethz.ch
2023-10-04 9:48 ` [Bug tree-optimization/111671] [14 Regression] " rguenth at gcc dot gnu.org
2023-10-17 13:03 ` rguenth at gcc dot gnu.org
@ 2023-11-11 13:58 ` shaohua.li at inf dot ethz.ch
2024-03-07 21:44 ` law at gcc dot gnu.org
3 siblings, 0 replies; 5+ messages in thread
From: shaohua.li at inf dot ethz.ch @ 2023-11-11 13:58 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=111671
--- Comment #3 from Shaohua Li <shaohua.li at inf dot ethz.ch> ---
Yes, I cannot reproduce it anymore. Any idea about which commit fixed it?
^ permalink raw reply [flat|nested] 5+ messages in thread
* [Bug tree-optimization/111671] [14 Regression] ICE in get_default_value, at tree-ssa-ccp.cc:312 since r14-2965-gc83528d2367
2023-10-03 7:11 [Bug tree-optimization/111671] New: ICE in get_default_value, at tree-ssa-ccp.cc:312 shaohua.li at inf dot ethz.ch
` (2 preceding siblings ...)
2023-11-11 13:58 ` [Bug tree-optimization/111671] [14 Regression] ICE in get_default_value, at tree-ssa-ccp.cc:312 since r14-2965-gc83528d2367 shaohua.li at inf dot ethz.ch
@ 2024-03-07 21:44 ` law at gcc dot gnu.org
3 siblings, 0 replies; 5+ messages in thread
From: law at gcc dot gnu.org @ 2024-03-07 21:44 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=111671
Jeffrey A. Law <law at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|WAITING |RESOLVED
Resolution|--- |FIXED
CC| |law at gcc dot gnu.org
--- Comment #4 from Jeffrey A. Law <law at gcc dot gnu.org> ---
It was fixed by:
commit 171420fdc9208198f09ff258164fc4cc1fd4bf74 (refs/bisect/bad)
Author: Jakub Jelinek <jakub@redhat.com>
Date: Fri Oct 6 08:54:42 2023 +0200
ipa: Remove ipa_bits
The following patch removes ipa_bits struct pointer/vector from ipa
jump functions and ipa cp transformations.
[ ... ]
^ permalink raw reply [flat|nested] 5+ messages in thread
end of thread, other threads:[~2024-03-07 21:44 UTC | newest]
Thread overview: 5+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2023-10-03 7:11 [Bug tree-optimization/111671] New: ICE in get_default_value, at tree-ssa-ccp.cc:312 shaohua.li at inf dot ethz.ch
2023-10-04 9:48 ` [Bug tree-optimization/111671] [14 Regression] " rguenth at gcc dot gnu.org
2023-10-17 13:03 ` rguenth at gcc dot gnu.org
2023-11-11 13:58 ` [Bug tree-optimization/111671] [14 Regression] ICE in get_default_value, at tree-ssa-ccp.cc:312 since r14-2965-gc83528d2367 shaohua.li at inf dot ethz.ch
2024-03-07 21:44 ` law at gcc dot gnu.org
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for read-only IMAP folder(s) and NNTP newsgroup(s).