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
