https://gcc.gnu.org/bugzilla/show_bug.cgi?id=97898
Bug ID: 97898
Summary: ICE in outermost_invariant_loop, at
tree-ssa-loop-im.c:431
Product: gcc
Version: 11.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: c
Assignee: unassigned at gcc dot gnu.org
Reporter: gs...@t-online.de
Target Milestone: ---
Affects versions down to at least version r5 :
$ cat z1.c
void f (int n)
{
int *i;
#pragma omp for schedule(static, 2)
for (i = 0; i < 8; i += n);
}
$ gcc-11-20201115 -c z1.c -fopenmp -O2
z1.c: In function 'f':
z1.c:5:17: warning: comparison between pointer and integer
5 | for (i = 0; i < 8; i += n);
| ^
during GIMPLE pass: lim
z1.c:1:6: internal compiler error: in outermost_invariant_loop, at
tree-ssa-loop-im.c:431
1 | void f (int n)
| ^
0xc43b12 outermost_invariant_loop
../../gcc/tree-ssa-loop-im.c:431
0xc48551 compute_invariantness
../../gcc/tree-ssa-loop-im.c:1063
0xc48551 loop_invariant_motion_in_fun(function*, bool)
../../gcc/tree-ssa-loop-im.c:3114
0xc49e2a execute
../../gcc/tree-ssa-loop-im.c:3180
---
$ gcc-11-20201115 -c z1.c -fopenmp # configured with --enable-checking=yes
z1.c: In function 'f':
z1.c:5:17: warning: comparison between pointer and integer
5 | for (i = 0; i < 8; i += n);
| ^
z1.c:5:24: error: invalid operands in binary operation
5 | for (i = 0; i < 8; i += n);
| ^~
i = i + (sizetype) D.2082;
during GIMPLE pass: ompexp
z1.c:5:24: internal compiler error: verify_gimple failed
0xd61194 verify_gimple_in_cfg(function*, bool)
../../gcc/tree-cfg.c:5461
0xc1742e execute_function_todo
../../gcc/passes.c:2039
0xc182d2 execute_todo
../../gcc/passes.c:2093
