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* [Bug tree-optimization/106844] New: ICE in init_use_preds, at gimple-predicate-analysis.cc:1944 since r13-2436-ge9ea2688271bd0b4
@ 2022-09-06 4:10 marxin at gcc dot gnu.org
2022-09-06 4:10 ` [Bug tree-optimization/106844] " marxin at gcc dot gnu.org
` (4 more replies)
0 siblings, 5 replies; 6+ messages in thread
From: marxin at gcc dot gnu.org @ 2022-09-06 4:10 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106844
Bug ID: 106844
Summary: ICE in init_use_preds, at
gimple-predicate-analysis.cc:1944 since
r13-2436-ge9ea2688271bd0b4
Product: gcc
Version: 13.0
Status: UNCONFIRMED
Keywords: ice-on-valid-code
Severity: normal
Priority: P3
Component: tree-optimization
Assignee: unassigned at gcc dot gnu.org
Reporter: marxin at gcc dot gnu.org
CC: rguenth at gcc dot gnu.org
Target Milestone: ---
The following crashes:
$ cat ice.c
struct {
int count;
int array[];
} fde_merge_v1;
void
fde_merge_i2() {
unsigned i1;
do
while (i1 && fde_merge_v1.array[i1 - 1])
i1--;
while (fde_merge_i2);
}
$ gcc ice.c --param=uninit-control-dep-attempts=1 -O1 -c -Wmaybe-uninitialized
during GIMPLE pass: uninit
ice.c: In function ‘fde_merge_i2’:
ice.c:7:1: internal compiler error: in init_use_preds, at
gimple-predicate-analysis.cc:1924
7 | fde_merge_i2() {
| ^~~~~~~~~~~~
0x8a35ff uninit_analysis::init_use_preds(predicate&, basic_block_def*,
basic_block_def*)
/home/marxin/Programming/gcc/gcc/gimple-predicate-analysis.cc:1924
0x1d68f8b uninit_analysis::is_use_guarded(gimple*, basic_block_def*, gphi*,
unsigned int, hash_set<gphi*, false, default_hash_traits<gphi*> >*)
/home/marxin/Programming/gcc/gcc/gimple-predicate-analysis.cc:2086
0x1d69573 uninit_analysis::is_use_guarded(gimple*, basic_block_def*, gphi*,
unsigned int)
/home/marxin/Programming/gcc/gcc/gimple-predicate-analysis.cc:2127
0x11b6614 find_uninit_use
/home/marxin/Programming/gcc/gcc/tree-ssa-uninit.cc:1238
0x11b6f55 warn_uninitialized_phi
/home/marxin/Programming/gcc/gcc/tree-ssa-uninit.cc:1308
0x11b6f55 execute_late_warn_uninitialized
/home/marxin/Programming/gcc/gcc/tree-ssa-uninit.cc:1429
0x11b6f55 execute
/home/marxin/Programming/gcc/gcc/tree-ssa-uninit.cc:1446
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] 6+ messages in thread
* [Bug tree-optimization/106844] ICE in init_use_preds, at gimple-predicate-analysis.cc:1944 since r13-2436-ge9ea2688271bd0b4
2022-09-06 4:10 [Bug tree-optimization/106844] New: ICE in init_use_preds, at gimple-predicate-analysis.cc:1944 since r13-2436-ge9ea2688271bd0b4 marxin at gcc dot gnu.org
@ 2022-09-06 4:10 ` marxin at gcc dot gnu.org
2022-09-06 8:36 ` rguenth at gcc dot gnu.org
` (3 subsequent siblings)
4 siblings, 0 replies; 6+ messages in thread
From: marxin at gcc dot gnu.org @ 2022-09-06 4:10 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106844
Martin Liška <marxin at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |NEW
Last reconfirmed| |2022-09-06
Ever confirmed|0 |1
Target Milestone|--- |13.0
^ permalink raw reply [flat|nested] 6+ messages in thread
* [Bug tree-optimization/106844] ICE in init_use_preds, at gimple-predicate-analysis.cc:1944 since r13-2436-ge9ea2688271bd0b4
2022-09-06 4:10 [Bug tree-optimization/106844] New: ICE in init_use_preds, at gimple-predicate-analysis.cc:1944 since r13-2436-ge9ea2688271bd0b4 marxin at gcc dot gnu.org
2022-09-06 4:10 ` [Bug tree-optimization/106844] " marxin at gcc dot gnu.org
@ 2022-09-06 8:36 ` rguenth at gcc dot gnu.org
2022-09-06 9:29 ` cvs-commit at gcc dot gnu.org
` (2 subsequent siblings)
4 siblings, 0 replies; 6+ messages in thread
From: rguenth at gcc dot gnu.org @ 2022-09-06 8:36 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106844
Richard Biener <rguenth at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |ASSIGNED
Assignee|unassigned at gcc dot gnu.org |rguenth at gcc dot gnu.org
--- Comment #1 from Richard Biener <rguenth at gcc dot gnu.org> ---
Let me have a look.
^ permalink raw reply [flat|nested] 6+ messages in thread
* [Bug tree-optimization/106844] ICE in init_use_preds, at gimple-predicate-analysis.cc:1944 since r13-2436-ge9ea2688271bd0b4
2022-09-06 4:10 [Bug tree-optimization/106844] New: ICE in init_use_preds, at gimple-predicate-analysis.cc:1944 since r13-2436-ge9ea2688271bd0b4 marxin at gcc dot gnu.org
2022-09-06 4:10 ` [Bug tree-optimization/106844] " marxin at gcc dot gnu.org
2022-09-06 8:36 ` rguenth at gcc dot gnu.org
@ 2022-09-06 9:29 ` cvs-commit at gcc dot gnu.org
2022-09-06 9:29 ` rguenth at gcc dot gnu.org
2022-09-07 8:55 ` rguenth at gcc dot gnu.org
4 siblings, 0 replies; 6+ messages in thread
From: cvs-commit at gcc dot gnu.org @ 2022-09-06 9:29 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106844
--- Comment #2 from CVS Commits <cvs-commit at gcc dot gnu.org> ---
The master branch has been updated by Richard Biener <rguenth@gcc.gnu.org>:
https://gcc.gnu.org/g:1a4e1425f8498580994e32ceb3c50bd52616a82d
commit r13-2493-g1a4e1425f8498580994e32ceb3c50bd52616a82d
Author: Richard Biener <rguenther@suse.de>
Date: Tue Sep 6 10:42:50 2022 +0200
tree-optimization/106844 - fix ICE in init_use_preds
The following fixes an oversight in the last change to
compute_control_dep_chain where we have to return whether we found
a chain.
PR tree-optimization/106844
* gimple-predicate-analysis.cc (compute_control_dep_chain):
Return whether we found a chain.
* gcc.dg/pr106844.c: New testcase.
^ permalink raw reply [flat|nested] 6+ messages in thread
* [Bug tree-optimization/106844] ICE in init_use_preds, at gimple-predicate-analysis.cc:1944 since r13-2436-ge9ea2688271bd0b4
2022-09-06 4:10 [Bug tree-optimization/106844] New: ICE in init_use_preds, at gimple-predicate-analysis.cc:1944 since r13-2436-ge9ea2688271bd0b4 marxin at gcc dot gnu.org
` (2 preceding siblings ...)
2022-09-06 9:29 ` cvs-commit at gcc dot gnu.org
@ 2022-09-06 9:29 ` rguenth at gcc dot gnu.org
2022-09-07 8:55 ` rguenth at gcc dot gnu.org
4 siblings, 0 replies; 6+ messages in thread
From: rguenth at gcc dot gnu.org @ 2022-09-06 9:29 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106844
Richard Biener <rguenth at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|ASSIGNED |RESOLVED
Resolution|--- |FIXED
--- Comment #3 from Richard Biener <rguenth at gcc dot gnu.org> ---
Fixed.
^ permalink raw reply [flat|nested] 6+ messages in thread
* [Bug tree-optimization/106844] ICE in init_use_preds, at gimple-predicate-analysis.cc:1944 since r13-2436-ge9ea2688271bd0b4
2022-09-06 4:10 [Bug tree-optimization/106844] New: ICE in init_use_preds, at gimple-predicate-analysis.cc:1944 since r13-2436-ge9ea2688271bd0b4 marxin at gcc dot gnu.org
` (3 preceding siblings ...)
2022-09-06 9:29 ` rguenth at gcc dot gnu.org
@ 2022-09-07 8:55 ` rguenth at gcc dot gnu.org
4 siblings, 0 replies; 6+ messages in thread
From: rguenth at gcc dot gnu.org @ 2022-09-07 8:55 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106844
Richard Biener <rguenth at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |dcb314 at hotmail dot com
--- Comment #4 from Richard Biener <rguenth at gcc dot gnu.org> ---
*** Bug 106862 has been marked as a duplicate of this bug. ***
^ permalink raw reply [flat|nested] 6+ messages in thread
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2022-09-06 4:10 [Bug tree-optimization/106844] New: ICE in init_use_preds, at gimple-predicate-analysis.cc:1944 since r13-2436-ge9ea2688271bd0b4 marxin at gcc dot gnu.org
2022-09-06 4:10 ` [Bug tree-optimization/106844] " marxin at gcc dot gnu.org
2022-09-06 8:36 ` rguenth at gcc dot gnu.org
2022-09-06 9:29 ` cvs-commit at gcc dot gnu.org
2022-09-06 9:29 ` rguenth at gcc dot gnu.org
2022-09-07 8:55 ` rguenth at gcc dot gnu.org
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