[Bug tree-optimization/84567] New: ICE in vectorize_fold_left_reduction, at tree-vect-loop.c:6224

[marxin at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84567

            Bug ID: 84567
           Summary: ICE in vectorize_fold_left_reduction, at
                    tree-vect-loop.c:6224
           Product: gcc
           Version: unknown
            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: amker at gcc dot gnu.org, richard.sandiford at linaro dot 
org
  Target Milestone: ---
              Host: x86_64-unknown-linux-gnu
            Target: aarch64-linux-gnu

Following ICEs:

$ aarch64-linux-gnu-gcc 
/home/marxin/Programming/gcc/gcc/testsuite/gcc.dg/torture/pr82473.c /dev/null
-ftrapv -O3 
during GIMPLE pass: vect
/home/marxin/Programming/gcc/gcc/testsuite/gcc.dg/torture/pr82473.c: In
function ‘zz’:
/home/marxin/Programming/gcc/gcc/testsuite/gcc.dg/torture/pr82473.c:5:1:
internal compiler error: in vectorize_fold_left_reduction, at
tree-vect-loop.c:6224
 zz (int x9, short int gt)
 ^~
0xe4facc vectorize_fold_left_reduction
        .././../gcc/tree-vect-loop.c:6223
0xe4facc vectorizable_reduction(gimple*, gimple_stmt_iterator*, gimple**,
_slp_tree*, _slp_instance*)
        .././../gcc/tree-vect-loop.c:7375
0xe42a17 vect_transform_stmt(gimple*, gimple_stmt_iterator*, bool*, _slp_tree*,
_slp_instance*)
        .././../gcc/tree-vect-stmts.c:9521
0xe6ace8 vect_schedule_slp_instance
        .././../gcc/tree-vect-slp.c:4187
0xe6b474 vect_schedule_slp(vec_info*)
        .././../gcc/tree-vect-slp.c:4256
0xe51b35 vect_transform_loop(_loop_vec_info*)
        .././../gcc/tree-vect-loop.c:8881
0xe723f3 vectorize_loops()
        .././../gcc/tree-vectorizer.c:740