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From: "marxin at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug tree-optimization/95356] [11 Regression] ICE in
 vect_get_constant_vectors, at tree-vect-slp.c:3635 since
 r11-564-g79f0451c67e8ed56
Date: Thu, 28 May 2020 12:19:59 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D95356

--- Comment #9 from Martin Li=C5=A1ka <marxin at gcc dot gnu.org> ---
Reopening as the following is ICEing:

$ gcc /home/marxin/Programming/gcc/gcc/testsuite/gcc.target/i386/pr95356.c =
-c
-O3 -mavx512dq
during GIMPLE pass: slp
/home/marxin/Programming/gcc/gcc/testsuite/gcc.target/i386/pr95356.c: In
function =E2=80=98f1=E2=80=99:
/home/marxin/Programming/gcc/gcc/testsuite/gcc.target/i386/pr95356.c:8:1:
internal compiler error: in vect_create_constant_vectors, at
tree-vect-slp.c:3674
    8 | f1 (void)
      | ^~
0x769846 vect_create_constant_vectors
        /home/marxin/Programming/gcc/gcc/tree-vect-slp.c:3674
0x769846 vect_schedule_slp_instance
        /home/marxin/Programming/gcc/gcc/tree-vect-slp.c:4066
0x10d3508 vect_schedule_slp_instance
        /home/marxin/Programming/gcc/gcc/tree-vect-slp.c:4071
0x10d3508 vect_schedule_slp_instance
        /home/marxin/Programming/gcc/gcc/tree-vect-slp.c:4071
0x10d9552 vect_schedule_slp(vec_info*)
        /home/marxin/Programming/gcc/gcc/tree-vect-slp.c:4303
0x10dbffc vect_slp_bb_region
        /home/marxin/Programming/gcc/gcc/tree-vect-slp.c:3342
0x10dbffc vect_slp_bb(basic_block_def*)
        /home/marxin/Programming/gcc/gcc/tree-vect-slp.c:3465
0x10dd9ef execute
        /home/marxin/Programming/gcc/gcc/tree-vectorizer.c:1320
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.=