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! PR rtl-optimization/46804
! { dg-do run }
! { dg-options "-O -fPIC -fexpensive-optimizations -fgcse -foptimize-register-move -fpeel-loops -fno-tree-loop-optimize" }
program main
integer, parameter :: n1 = 2, n2 = 3, n3 = 4, slen = 3
character (len = slen), dimension (n1, n2, n3) :: a
integer (kind = 1), dimension (2, 4) :: shift1
integer (kind = 2), dimension (2, 4) :: shift2
integer (kind = 4), dimension (2, 4) :: shift3
do i3 = 1, n3
do i2 = 1, n2
do i1 = 1, n1
a (i1, i2, i3) = 'ab'(i1:i1) // 'cde'(i2:i2) // 'fghi'(i3:i3)
end do
end do
end do
shift1 (1, :) = (/ 4, 11, 19, 20 /)
shift1 (2, :) = (/ 55, 5, 1, 2 /)
shift2 = shift1
shift3 = shift1
call test (cshift (a, shift2, 2))
call test (cshift (a, shift3, 2))
contains
subroutine test (b)
character (len = slen), dimension (n1, n2, n3) :: b
do i3 = 1, n3
do i2 = 1, n2
do i1 = 1, n1
i2p = mod (shift1 (i1, i3) + i2 - 1, n2) + 1
if (b (i1, i2, i3) .ne. a (i1, i2p, i3)) call abort
end do
end do
end do
end subroutine test
end program main
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