[Bug target/108832] New: [13 Regression] ICE in replace_rtx, at rtlanal.cc:3358

[asolokha at gmx dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=108832

            Bug ID: 108832
           Summary: [13 Regression] ICE in replace_rtx, at rtlanal.cc:3358
           Product: gcc
           Version: 13.0
            Status: UNCONFIRMED
          Keywords: ice-on-valid-code
          Severity: normal
          Priority: P3
         Component: target
          Assignee: unassigned at gcc dot gnu.org
          Reporter: asolokha at gmx dot com
  Target Milestone: ---
            Target: x86_64-pc-linux-gnu

gcc 13.0.1 20230212 snapshot (g:06ca0c9abb260266b688e2c2154c72214bb47076) ICEs
when compiling the following testcase w/ -O2 -funroll-loops:

unsigned int m;
short int n;

long int
bar (unsigned int x)
{
  return x ? x : 1;
}

__attribute__ ((simd)) void
foo (void)
{
  int a;

  a = m / bar (3);
  n = 1 % bar (a << 1);
}

% x86_64-pc-linux-gnu-gcc-13 -O2 -funroll-loops -c rxkpgn0d.c
during RTL pass: peephole2
rxkpgn0d.c: In function 'foo.simdclone.7':
rxkpgn0d.c:17:1: internal compiler error: in replace_rtx, at rtlanal.cc:3358
   17 | }
      | ^
0x73a043 replace_rtx(rtx_def*, rtx_def*, rtx_def*, bool)
       
/var/tmp/portage/sys-devel/gcc-13.0.1_p20230212/work/gcc-13-20230212/gcc/rtlanal.cc:3358
0xe97803 replace_rtx(rtx_def*, rtx_def*, rtx_def*, bool)
       
/var/tmp/portage/sys-devel/gcc-13.0.1_p20230212/work/gcc-13-20230212/gcc/rtlanal.cc:3397
0xe97803 replace_rtx(rtx_def*, rtx_def*, rtx_def*, bool)
       
/var/tmp/portage/sys-devel/gcc-13.0.1_p20230212/work/gcc-13-20230212/gcc/rtlanal.cc:3397
0x19035d6 gen_peephole2_125(rtx_insn*, rtx_def**)
       
/var/tmp/portage/sys-devel/gcc-13.0.1_p20230212/work/gcc-13-20230212/gcc/config/i386/i386.md:22054
0x1c816cc peephole2_17
       
/var/tmp/portage/sys-devel/gcc-13.0.1_p20230212/work/gcc-13-20230212/gcc/config/i386/i386.md:1077
0x1c816cc peephole2_19
       
/var/tmp/portage/sys-devel/gcc-13.0.1_p20230212/work/gcc-13-20230212/gcc/config/i386/i386.md:1094
0x1cbb55d peephole2_46
       
/var/tmp/portage/sys-devel/gcc-13.0.1_p20230212/work/gcc-13-20230212/gcc/config/i386/i386.md:5200
0xe62447 peephole2_optimize
       
/var/tmp/portage/sys-devel/gcc-13.0.1_p20230212/work/gcc-13-20230212/gcc/recog.cc:4180
0xe62447 rest_of_handle_peephole2
       
/var/tmp/portage/sys-devel/gcc-13.0.1_p20230212/work/gcc-13-20230212/gcc/recog.cc:4331
0xe62447 execute
       
/var/tmp/portage/sys-devel/gcc-13.0.1_p20230212/work/gcc-13-20230212/gcc/recog.cc:4368