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* [Bug tree-optimization/108387] New: [13 Regression] ICE: tree check: expected ssa_name, have integer_cst in VN_INFO, at tree-ssa-sccvn.cc:450 at -Os
@ 2023-01-12 17:42 zsojka at seznam dot cz
2023-01-12 20:11 ` [Bug tree-optimization/108387] " pinskia at gcc dot gnu.org
` (5 more replies)
0 siblings, 6 replies; 7+ messages in thread
From: zsojka at seznam dot cz @ 2023-01-12 17:42 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=108387
Bug ID: 108387
Summary: [13 Regression] ICE: tree check: expected ssa_name,
have integer_cst in VN_INFO, at tree-ssa-sccvn.cc:450
at -Os
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: zsojka at seznam dot cz
Target Milestone: ---
Host: x86_64-pc-linux-gnu
Target: x86_64-pc-linux-gnu
Created attachment 54258
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=54258&action=edit
reduced testcase
Compiler output:
$ x86_64-pc-linux-gnu-gcc -Os testcase.c
during GIMPLE pass: fre
testcase.c: In function 'foo':
testcase.c:6:1: internal compiler error: tree check: expected ssa_name, have
integer_cst in VN_INFO, at tree-ssa-sccvn.cc:450
6 | foo (char c)
| ^~~
0x8144d0 tree_check_failed(tree_node const*, char const*, int, char const*,
...)
/repo/gcc-trunk/gcc/tree.cc:8854
0x7f8e10 tree_check(tree_node*, char const*, int, char const*, tree_code)
/repo/gcc-trunk/gcc/tree.h:3530
0x7f8e10 VN_INFO(tree_node*)
/repo/gcc-trunk/gcc/tree-ssa-sccvn.cc:450
0x15c7e55 vn_nary_op_insert_stmt
/repo/gcc-trunk/gcc/tree-ssa-sccvn.cc:4610
0x15d3330 visit_nary_op
/repo/gcc-trunk/gcc/tree-ssa-sccvn.cc:5408
0x15d4870 process_bb
/repo/gcc-trunk/gcc/tree-ssa-sccvn.cc:7870
0x15d60c2 do_rpo_vn_1
/repo/gcc-trunk/gcc/tree-ssa-sccvn.cc:8469
0x15d7a96 execute
/repo/gcc-trunk/gcc/tree-ssa-sccvn.cc:8627
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.
$ x86_64-pc-linux-gnu-gcc -v
Using built-in specs.
COLLECT_GCC=/repo/gcc-trunk/binary-latest-amd64/bin/x86_64-pc-linux-gnu-gcc
COLLECT_LTO_WRAPPER=/repo/gcc-trunk/binary-trunk-r13-5122-20230112143021-gb073f2b098b-checking-yes-rtl-df-extra-nobootstrap-amd64/bin/../libexec/gcc/x86_64-pc-linux-gnu/13.0.0/lto-wrapper
Target: x86_64-pc-linux-gnu
Configured with: /repo/gcc-trunk//configure --enable-languages=c,c++
--enable-valgrind-annotations --disable-nls --enable-checking=yes,rtl,df,extra
--disable-bootstrap --with-cloog --with-ppl --with-isl
--build=x86_64-pc-linux-gnu --host=x86_64-pc-linux-gnu
--target=x86_64-pc-linux-gnu --with-ld=/usr/bin/x86_64-pc-linux-gnu-ld
--with-as=/usr/bin/x86_64-pc-linux-gnu-as --disable-libstdcxx-pch
--prefix=/repo/gcc-trunk//binary-trunk-r13-5122-20230112143021-gb073f2b098b-checking-yes-rtl-df-extra-nobootstrap-amd64
Thread model: posix
Supported LTO compression algorithms: zlib zstd
gcc version 13.0.0 20230112 (experimental) (GCC)
^ permalink raw reply [flat|nested] 7+ messages in thread
* [Bug tree-optimization/108387] [13 Regression] ICE: tree check: expected ssa_name, have integer_cst in VN_INFO, at tree-ssa-sccvn.cc:450 at -Os
2023-01-12 17:42 [Bug tree-optimization/108387] New: [13 Regression] ICE: tree check: expected ssa_name, have integer_cst in VN_INFO, at tree-ssa-sccvn.cc:450 at -Os zsojka at seznam dot cz
@ 2023-01-12 20:11 ` pinskia at gcc dot gnu.org
2023-01-12 20:21 ` pinskia at gcc dot gnu.org
` (4 subsequent siblings)
5 siblings, 0 replies; 7+ messages in thread
From: pinskia at gcc dot gnu.org @ 2023-01-12 20:11 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=108387
Andrew Pinski <pinskia at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Target Milestone|--- |13.0
^ permalink raw reply [flat|nested] 7+ messages in thread
* [Bug tree-optimization/108387] [13 Regression] ICE: tree check: expected ssa_name, have integer_cst in VN_INFO, at tree-ssa-sccvn.cc:450 at -Os
2023-01-12 17:42 [Bug tree-optimization/108387] New: [13 Regression] ICE: tree check: expected ssa_name, have integer_cst in VN_INFO, at tree-ssa-sccvn.cc:450 at -Os zsojka at seznam dot cz
2023-01-12 20:11 ` [Bug tree-optimization/108387] " pinskia at gcc dot gnu.org
@ 2023-01-12 20:21 ` pinskia at gcc dot gnu.org
2023-01-12 20:26 ` [Bug tree-optimization/108387] [13 Regression] ICE in VN_INFO with multiple and shifts producing 0 at -O2/s/3 pinskia at gcc dot gnu.org
` (3 subsequent siblings)
5 siblings, 0 replies; 7+ messages in thread
From: pinskia at gcc dot gnu.org @ 2023-01-12 20:21 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=108387
--- Comment #1 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
Obvious caused by r13-5111-g98837d6e79dd27 .
^ permalink raw reply [flat|nested] 7+ messages in thread
* [Bug tree-optimization/108387] [13 Regression] ICE in VN_INFO with multiple and shifts producing 0 at -O2/s/3
2023-01-12 17:42 [Bug tree-optimization/108387] New: [13 Regression] ICE: tree check: expected ssa_name, have integer_cst in VN_INFO, at tree-ssa-sccvn.cc:450 at -Os zsojka at seznam dot cz
2023-01-12 20:11 ` [Bug tree-optimization/108387] " pinskia at gcc dot gnu.org
2023-01-12 20:21 ` pinskia at gcc dot gnu.org
@ 2023-01-12 20:26 ` pinskia at gcc dot gnu.org
2023-01-13 7:29 ` rguenth at gcc dot gnu.org
` (2 subsequent siblings)
5 siblings, 0 replies; 7+ messages in thread
From: pinskia at gcc dot gnu.org @ 2023-01-12 20:26 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=108387
Andrew Pinski <pinskia at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |roger at nextmovesoftware dot com
Status|UNCONFIRMED |NEW
Ever confirmed|0 |1
Last reconfirmed| |2023-01-12
Summary|[13 Regression] ICE: tree |[13 Regression] ICE in
|check: expected ssa_name, |VN_INFO with multiple and
|have integer_cst in |shifts producing 0 at
|VN_INFO, at |-O2/s/3
|tree-ssa-sccvn.cc:450 at |
|-O2/s/3 |
--- Comment #2 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
Confirmed. Here is a testcase without vectors Compile at -O2 -fno-tree-ccp to
produce the same issue:
```
void bar2 (unsigned char, unsigned char);
void
foo1 (char c)
{
unsigned char t = c;
t *= 2;
unsigned char t1 = t << 7;
bar2 (t, t1);
}
```
^ permalink raw reply [flat|nested] 7+ messages in thread
* [Bug tree-optimization/108387] [13 Regression] ICE in VN_INFO with multiple and shifts producing 0 at -O2/s/3
2023-01-12 17:42 [Bug tree-optimization/108387] New: [13 Regression] ICE: tree check: expected ssa_name, have integer_cst in VN_INFO, at tree-ssa-sccvn.cc:450 at -Os zsojka at seznam dot cz
` (2 preceding siblings ...)
2023-01-12 20:26 ` [Bug tree-optimization/108387] [13 Regression] ICE in VN_INFO with multiple and shifts producing 0 at -O2/s/3 pinskia at gcc dot gnu.org
@ 2023-01-13 7:29 ` rguenth at gcc dot gnu.org
2023-01-13 9:48 ` cvs-commit at gcc dot gnu.org
2023-01-13 9:48 ` rguenth at gcc dot gnu.org
5 siblings, 0 replies; 7+ messages in thread
From: rguenth at gcc dot gnu.org @ 2023-01-13 7:29 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=108387
Richard Biener <rguenth at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Assignee|unassigned at gcc dot gnu.org |rguenth at gcc dot gnu.org
Status|NEW |ASSIGNED
--- Comment #3 from Richard Biener <rguenth at gcc dot gnu.org> ---
I will have a look.
^ permalink raw reply [flat|nested] 7+ messages in thread
* [Bug tree-optimization/108387] [13 Regression] ICE in VN_INFO with multiple and shifts producing 0 at -O2/s/3
2023-01-12 17:42 [Bug tree-optimization/108387] New: [13 Regression] ICE: tree check: expected ssa_name, have integer_cst in VN_INFO, at tree-ssa-sccvn.cc:450 at -Os zsojka at seznam dot cz
` (3 preceding siblings ...)
2023-01-13 7:29 ` rguenth at gcc dot gnu.org
@ 2023-01-13 9:48 ` cvs-commit at gcc dot gnu.org
2023-01-13 9:48 ` rguenth at gcc dot gnu.org
5 siblings, 0 replies; 7+ messages in thread
From: cvs-commit at gcc dot gnu.org @ 2023-01-13 9:48 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=108387
--- Comment #4 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:adbee4a197c7b735a3dd58cfac8933f70069f71d
commit r13-5136-gadbee4a197c7b735a3dd58cfac8933f70069f71d
Author: Richard Biener <rguenther@suse.de>
Date: Fri Jan 13 08:37:24 2023 +0100
tree-optimization/108387 - ICE with VN handling of x << C as x * (1<<C)
The following fixes unexpected simplification of x << C as
x * (1<<C) to a constant.
PR tree-optimization/108387
* tree-ssa-sccvn.cc (visit_nary_op): Check for SSA_NAME
value before inserting expression into the tables.
* gcc.dg/pr108387.c: New testcase.
^ permalink raw reply [flat|nested] 7+ messages in thread
* [Bug tree-optimization/108387] [13 Regression] ICE in VN_INFO with multiple and shifts producing 0 at -O2/s/3
2023-01-12 17:42 [Bug tree-optimization/108387] New: [13 Regression] ICE: tree check: expected ssa_name, have integer_cst in VN_INFO, at tree-ssa-sccvn.cc:450 at -Os zsojka at seznam dot cz
` (4 preceding siblings ...)
2023-01-13 9:48 ` cvs-commit at gcc dot gnu.org
@ 2023-01-13 9:48 ` rguenth at gcc dot gnu.org
5 siblings, 0 replies; 7+ messages in thread
From: rguenth at gcc dot gnu.org @ 2023-01-13 9:48 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=108387
Richard Biener <rguenth at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|ASSIGNED |RESOLVED
Resolution|--- |FIXED
--- Comment #5 from Richard Biener <rguenth at gcc dot gnu.org> ---
Fixed.
^ permalink raw reply [flat|nested] 7+ messages in thread
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2023-01-12 17:42 [Bug tree-optimization/108387] New: [13 Regression] ICE: tree check: expected ssa_name, have integer_cst in VN_INFO, at tree-ssa-sccvn.cc:450 at -Os zsojka at seznam dot cz
2023-01-12 20:11 ` [Bug tree-optimization/108387] " pinskia at gcc dot gnu.org
2023-01-12 20:21 ` pinskia at gcc dot gnu.org
2023-01-12 20:26 ` [Bug tree-optimization/108387] [13 Regression] ICE in VN_INFO with multiple and shifts producing 0 at -O2/s/3 pinskia at gcc dot gnu.org
2023-01-13 7:29 ` rguenth at gcc dot gnu.org
2023-01-13 9:48 ` cvs-commit at gcc dot gnu.org
2023-01-13 9:48 ` rguenth at gcc dot gnu.org
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