1! PR rtl-optimization/46804
2! { dg-do run }
3! { dg-options "-O -fPIC -fexpensive-optimizations -fgcse -foptimize-register-move -fpeel-loops -fno-tree-loop-optimize" }
4
5program main
6  integer, parameter :: n1 = 2, n2 = 3, n3 = 4, slen = 3
7  character (len = slen), dimension (n1, n2, n3) :: a
8  integer (kind = 1), dimension (2, 4) :: shift1
9  integer (kind = 2), dimension (2, 4) :: shift2
10  integer (kind = 4), dimension (2, 4) :: shift3
11  do i3 = 1, n3
12    do i2 = 1, n2
13      do i1 = 1, n1
14        a (i1, i2, i3) = 'ab'(i1:i1) // 'cde'(i2:i2) // 'fghi'(i3:i3)
15      end do
16    end do
17  end do
18  shift1 (1, :) = (/ 4, 11, 19, 20 /)
19  shift1 (2, :) = (/ 55, 5, 1, 2 /)
20  shift2 = shift1
21  shift3 = shift1
22  call test (cshift (a, shift2, 2))
23  call test (cshift (a, shift3, 2))
24contains
25  subroutine test (b)
26    character (len = slen), dimension (n1, n2, n3) :: b
27    do i3 = 1, n3
28      do i2 = 1, n2
29        do i1 = 1, n1
30          i2p = mod (shift1 (i1, i3) + i2 - 1, n2) + 1
31          if (b (i1, i2, i3) .ne. a (i1, i2p, i3)) call abort
32        end do
33      end do
34    end do
35  end subroutine test
36end program main
37