[Bug tree-optimization/103148] New: ICE in vect_analyze_loop, at tree-vect-loop.c:3155

[Bug tree-optimization/103148] New: ICE in vect_analyze_loop, at tree-vect-loop.c:3155

[asolokha at gmx dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103148

            Bug ID: 103148
           Summary: ICE in vect_analyze_loop, at tree-vect-loop.c:3155
           Product: gcc
           Version: 12.0
            Status: UNCONFIRMED
          Keywords: ice-on-valid-code
          Severity: normal
          Priority: P3
         Component: tree-optimization
          Assignee: unassigned at gcc dot gnu.org
          Reporter: asolokha at gmx dot com
  Target Milestone: ---
            Target: aarch64-linux-gnu

gfortran-12.0.0-alpha20211107 snapshot
(g:962ff7d2849e1fa6a1fe0535aa2dec5c2b9a32a6) ICEs when compiling the following
testcase w/ -mcpu=neoverse-512tvb -O1 -ftree-loop-vectorize -ftrapv:

module mod
  logical rslt
  type :: stuff(l1)
     integer,len :: l1 = 10
  end type stuff
  type,extends(stuff) :: objects(k1)
     integer, kind :: k1 = selected_int_kind(4)
     integer(k1) :: p(l1)
  end type objects
contains
  subroutine foo(n)
    integer n
    type(objects(l1=10)) :: x

    do i=1,n
       x%p(i) = i
    enddo

    rslt = .true.
    do i=1,n
       if (x%p(i) .ne. i) rslt = .false.
    enddo
  end subroutine foo
end module mod

% aarch64-linux-gnu-gfortran-12.0.0 -mcpu=neoverse-512tvb -O1
-ftree-loop-vectorize -ftrapv -c ajhyepng.f90
during GIMPLE pass: vect
ajhyepng.f90:11:16:

   11 |   subroutine foo(n)
      |                ^
internal compiler error: in vect_analyze_loop, at tree-vect-loop.c:3155
0x7de0d0 vect_analyze_loop(loop*, vec_info_shared*)
       
/var/tmp/portage/cross-aarch64-linux-gnu/gcc-12.0.0_alpha20211107/work/gcc-12-20211107/gcc/tree-vect-loop.c:3155
0x1294e31 try_vectorize_loop_1
       
/var/tmp/portage/cross-aarch64-linux-gnu/gcc-12.0.0_alpha20211107/work/gcc-12-20211107/gcc/tree-vectorizer.c:1046
0x1294e31 try_vectorize_loop
       
/var/tmp/portage/cross-aarch64-linux-gnu/gcc-12.0.0_alpha20211107/work/gcc-12-20211107/gcc/tree-vectorizer.c:1160
0x1295b11 vectorize_loops()
       
/var/tmp/portage/cross-aarch64-linux-gnu/gcc-12.0.0_alpha20211107/work/gcc-12-20211107/gcc/tree-vectorizer.c:1243

[Bug tree-optimization/103148] ICE in vect_analyze_loop, at tree-vect-loop.c:3155

[marxin at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103148

Martin Liška <marxin at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |RESOLVED
         Resolution|---                         |FIXED

--- Comment #1 from Martin Liška <marxin at gcc dot gnu.org> ---
Fixed with g:51152076338bc60b8bda8f061be2db97ea5b78de.

[Bug tree-optimization/103148] [12 Regression] ICE in vect_analyze_loop, at tree-vect-loop.c:3155

[pinskia at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103148

Andrew Pinski <pinskia at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
           See Also|                            |https://gcc.gnu.org/bugzill
                   |                            |a/show_bug.cgi?id=103102
            Summary|ICE in vect_analyze_loop,   |[12 Regression] ICE in
                   |at tree-vect-loop.c:3155    |vect_analyze_loop, at
                   |                            |tree-vect-loop.c:3155
   Target Milestone|---                         |12.0