https://gcc.gnu.org/bugzilla/show_bug.cgi?id=97558
Bug ID: 97558
Summary: [11 Regression] ICE in
vect_slp_analyze_node_operations, at
tree-vect-slp.c:3342 since r11-4227-g655f7f0fb7c9aa2f
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: marxin at gcc dot gnu.org
CC: rguenth at gcc dot gnu.org
Target Milestone: ---
The following fails:
$ gcc /home/marxin/Programming/gcc/gcc/testsuite/gcc.dg/torture/pr92345.c
-fno-tree-dce -Ofast -c
during GIMPLE pass: vect
/home/marxin/Programming/gcc/gcc/testsuite/gcc.dg/torture/pr92345.c: In
function ‘us’:
/home/marxin/Programming/gcc/gcc/testsuite/gcc.dg/torture/pr92345.c:8:1:
internal compiler error: in vect_slp_analyze_node_operations, at
tree-vect-slp.c:3342
8 | us (int sk, int jx)
| ^~
0x15917e6 vect_slp_analyze_node_operations
/home/marxin/Programming/gcc/gcc/tree-vect-slp.c:3342
0x15916c1 vect_slp_analyze_node_operations
/home/marxin/Programming/gcc/gcc/tree-vect-slp.c:3305
0x1591e26 vect_slp_analyze_operations(vec_info*)
/home/marxin/Programming/gcc/gcc/tree-vect-slp.c:3492
0x155843b vect_analyze_loop_2
/home/marxin/Programming/gcc/gcc/tree-vect-loop.c:2338
0x1559d44 vect_analyze_loop(loop*, vec_info_shared*)
/home/marxin/Programming/gcc/gcc/tree-vect-loop.c:2799
0x15a5d4e try_vectorize_loop_1
/home/marxin/Programming/gcc/gcc/tree-vectorizer.c:994
0x15a6500 try_vectorize_loop
/home/marxin/Programming/gcc/gcc/tree-vectorizer.c:1145
0x15a66d9 vectorize_loops()
/home/marxin/Programming/gcc/gcc/tree-vectorizer.c:1226
0x13dd519 execute
/home/marxin/Programming/gcc/gcc/tree-ssa-loop.c:414
Please submit a full bug report,
with preprocessed source if appropriate.
Please include the complete backtrace with any bug report.
See <https://gcc.gnu.org/bugs/> for instructions.
