[Bug tree-optimization/97625] New: [11 Regression] ICE in vect_slp_analyze_node_operations, at tree-vect-slp.c:3342 since r11-4227-g655f7f0fb7c9aa2f

[marxin at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=97625

            Bug ID: 97625
           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/pr58010.c -fno-tree-dce
-O3 -fno-tree-vrp -c
during GIMPLE pass: vect
/home/marxin/Programming/gcc/gcc/testsuite/gcc.dg/pr58010.c: In function ‘f’:
/home/marxin/Programming/gcc/gcc/testsuite/gcc.dg/pr58010.c:6:6: internal
compiler error: in vect_slp_analyze_node_operations, at tree-vect-slp.c:3559
    6 | void f(void)
      |      ^
0x739727 vect_slp_analyze_node_operations
        /home/marxin/Programming/gcc/gcc/tree-vect-slp.c:3559
0x1054572 vect_slp_analyze_operations(vec_info*)
        /home/marxin/Programming/gcc/gcc/tree-vect-slp.c:3713
0x1035d04 vect_analyze_loop_2
        /home/marxin/Programming/gcc/gcc/tree-vect-loop.c:2338
0x1035d04 vect_analyze_loop(loop*, vec_info_shared*)
        /home/marxin/Programming/gcc/gcc/tree-vect-loop.c:2799
0x105c5db try_vectorize_loop_1
        /home/marxin/Programming/gcc/gcc/tree-vectorizer.c:995
0x105d099 vectorize_loops()
        /home/marxin/Programming/gcc/gcc/tree-vectorizer.c:1229
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