libgomp/testsuite/libgomp.oacc-fortran/collapse-2.f90

   1 ! { dg-do run }
   2
   3 program collapse2
   4   integer :: i, j, k, a(1:3, 4:6, 5:7)
   5   logical :: l
   6   l = .false.
   7   a(:, :, :) = 0
   8   !$acc parallel
   9   !$acc loop collapse(4 - 1)
  10     do 164 i = 1, 3
  11       do 164 j = 4, 6
  12         do 164 k = 5, 7
  13           a(i, j, k) = i + j + k
  14 164      end do
  15   !$acc loop collapse(2) reduction(.or.:l)
  16 firstdo: do i = 1, 3
  17       do j = 4, 6
  18         do k = 5, 7
  19           if (a(i, j, k) .ne. (i + j + k)) l = .true.
  20         end do
  21       end do
  22     end do firstdo
  23   !$acc end parallel
  24   if (l) call abort
  25 end program collapse2