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* [Bug tree-optimization/96491] New: [11 Regression] ICE: tree check: expected ssa_name, have integer_cst in add_phi_arg, at tree-phinodes.c:373
@ 2020-08-06 2:40 asolokha at gmx dot com
2020-08-06 8:03 ` [Bug tree-optimization/96491] " rguenth at gcc dot gnu.org
` (2 more replies)
0 siblings, 3 replies; 4+ messages in thread
From: asolokha at gmx dot com @ 2020-08-06 2:40 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=96491
Bug ID: 96491
Summary: [11 Regression] ICE: tree check: expected ssa_name,
have integer_cst in add_phi_arg, at
tree-phinodes.c:373
Product: gcc
Version: 11.0
Status: UNCONFIRMED
Keywords: ice-on-valid-code
Severity: normal
Priority: P3
Component: tree-optimization
Assignee: unassigned at gcc dot gnu.org
Reporter: asolokha at gmx dot com
Target Milestone: ---
gcc-11.0.0-alpha20200802 snapshot (g:6e46b3f3da5c03bc529b3690dd0995927feb9142)
ICEs when compiling the following testcase w/ -O1:
int rj;
void __attribute__ ((returns_twice))
da (void)
{
rj = 1;
}
void
c5 (void)
{
for (;;)
++rj;
}
void
ls (int kz)
{
if (kz == 0)
{
rj = 0;
c5 ();
}
da ();
c5 ();
}
% gcc-11.0.0 -O1 -c qqdrbiy8.c
during GIMPLE pass: sink
qqdrbiy8.c: In function 'ls':
qqdrbiy8.c:17:1: internal compiler error: tree check: expected ssa_name, have
integer_cst in add_phi_arg, at tree-phinodes.c:373
17 | ls (int kz)
| ^~
0x707146 tree_check_failed(tree_node const*, char const*, int, char const*,
...)
/var/tmp/portage/sys-devel/gcc-11.0.0_alpha20200802/work/gcc-11-20200802/gcc/tree.c:9687
0x6be83b tree_check(tree_node*, char const*, int, char const*, tree_code)
/var/tmp/portage/sys-devel/gcc-11.0.0_alpha20200802/work/gcc-11-20200802/gcc/tree.h:3303
0x6be83b add_phi_arg(gphi*, tree_node*, edge_def*, unsigned int)
/var/tmp/portage/sys-devel/gcc-11.0.0_alpha20200802/work/gcc-11-20200802/gcc/tree-phinodes.c:373
0xf997e1 sink_common_stores_to_bb
/var/tmp/portage/sys-devel/gcc-11.0.0_alpha20200802/work/gcc-11-20200802/gcc/tree-ssa-sink.c:594
0xf997e1 sink_code_in_bb
/var/tmp/portage/sys-devel/gcc-11.0.0_alpha20200802/work/gcc-11-20200802/gcc/tree-ssa-sink.c:656
0xf98cea sink_code_in_bb
/var/tmp/portage/sys-devel/gcc-11.0.0_alpha20200802/work/gcc-11-20200802/gcc/tree-ssa-sink.c:743
0xf98cea sink_code_in_bb
/var/tmp/portage/sys-devel/gcc-11.0.0_alpha20200802/work/gcc-11-20200802/gcc/tree-ssa-sink.c:743
0xf9a5ce execute
/var/tmp/portage/sys-devel/gcc-11.0.0_alpha20200802/work/gcc-11-20200802/gcc/tree-ssa-sink.c:824
^ permalink raw reply [flat|nested] 4+ messages in thread
* [Bug tree-optimization/96491] [11 Regression] ICE: tree check: expected ssa_name, have integer_cst in add_phi_arg, at tree-phinodes.c:373
2020-08-06 2:40 [Bug tree-optimization/96491] New: [11 Regression] ICE: tree check: expected ssa_name, have integer_cst in add_phi_arg, at tree-phinodes.c:373 asolokha at gmx dot com
@ 2020-08-06 8:03 ` rguenth at gcc dot gnu.org
2020-08-06 10:20 ` cvs-commit at gcc dot gnu.org
2020-08-06 10:25 ` rguenth at gcc dot gnu.org
2 siblings, 0 replies; 4+ messages in thread
From: rguenth at gcc dot gnu.org @ 2020-08-06 8:03 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=96491
Richard Biener <rguenth at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Ever confirmed|0 |1
Assignee|unassigned at gcc dot gnu.org |rguenth at gcc dot gnu.org
Status|UNCONFIRMED |ASSIGNED
Target Milestone|--- |11.0
Last reconfirmed| |2020-08-06
--- Comment #1 from Richard Biener <rguenth at gcc dot gnu.org> ---
I will have a look.
^ permalink raw reply [flat|nested] 4+ messages in thread
* [Bug tree-optimization/96491] [11 Regression] ICE: tree check: expected ssa_name, have integer_cst in add_phi_arg, at tree-phinodes.c:373
2020-08-06 2:40 [Bug tree-optimization/96491] New: [11 Regression] ICE: tree check: expected ssa_name, have integer_cst in add_phi_arg, at tree-phinodes.c:373 asolokha at gmx dot com
2020-08-06 8:03 ` [Bug tree-optimization/96491] " rguenth at gcc dot gnu.org
@ 2020-08-06 10:20 ` cvs-commit at gcc dot gnu.org
2020-08-06 10:25 ` rguenth at gcc dot gnu.org
2 siblings, 0 replies; 4+ messages in thread
From: cvs-commit at gcc dot gnu.org @ 2020-08-06 10:20 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=96491
--- 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:89b84cd794f984038984c10b03c3b0ab582f49cc
commit r11-2591-g89b84cd794f984038984c10b03c3b0ab582f49cc
Author: Richard Biener <rguenther@suse.de>
Date: Thu Aug 6 12:18:24 2020 +0200
tree-optimization/96491 - avoid store commoning across abnormal edges
This avoids store commoning across abnormal edges since that easily
can disrupt abnormal coalescing because it might create overlapping
lifetime of variables.
2020-08-06 Richard Biener <rguenther@suse.de>
PR tree-optimization/96491
* tree-ssa-sink.c (sink_common_stores_to_bb): Avoid
sinking across abnormal edges.
* gcc.dg/torture/pr96491.c: New testcase.
^ permalink raw reply [flat|nested] 4+ messages in thread
* [Bug tree-optimization/96491] [11 Regression] ICE: tree check: expected ssa_name, have integer_cst in add_phi_arg, at tree-phinodes.c:373
2020-08-06 2:40 [Bug tree-optimization/96491] New: [11 Regression] ICE: tree check: expected ssa_name, have integer_cst in add_phi_arg, at tree-phinodes.c:373 asolokha at gmx dot com
2020-08-06 8:03 ` [Bug tree-optimization/96491] " rguenth at gcc dot gnu.org
2020-08-06 10:20 ` cvs-commit at gcc dot gnu.org
@ 2020-08-06 10:25 ` rguenth at gcc dot gnu.org
2 siblings, 0 replies; 4+ messages in thread
From: rguenth at gcc dot gnu.org @ 2020-08-06 10:25 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=96491
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. Thanks for the report!
^ permalink raw reply [flat|nested] 4+ messages in thread
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2020-08-06 2:40 [Bug tree-optimization/96491] New: [11 Regression] ICE: tree check: expected ssa_name, have integer_cst in add_phi_arg, at tree-phinodes.c:373 asolokha at gmx dot com
2020-08-06 8:03 ` [Bug tree-optimization/96491] " rguenth at gcc dot gnu.org
2020-08-06 10:20 ` cvs-commit at gcc dot gnu.org
2020-08-06 10:25 ` rguenth at gcc dot gnu.org
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