gcc/testsuite/gfortran.dg/pr46804.f90

   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
   5 program 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))
  24 contains
  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
  36 end program main