gcc/testsuite/gfortran.dg/goacc/kernels-loop-data-enter-exit-2.f95

   1 ! { dg-additional-options "-O2" }
   2 ! { dg-additional-options "-fdump-tree-parloops1-all" }
   3 ! { dg-additional-options "-fdump-tree-optimized" }
   4
   5 program main
   6   implicit none
   7   integer, parameter         :: n = 1024
   8   integer, dimension (0:n-1) :: a, b, c
   9   integer                    :: i, ii
  10
  11   !$acc enter data create (a(0:n-1))
  12   !$acc kernels present (a(0:n-1))
  13   do i = 0, n - 1
  14      a(i) = i * 2
  15   end do
  16   !$acc end kernels
  17   !$acc exit data copyout (a(0:n-1))
  18
  19   !$acc enter data create (b(0:n-1))
  20   !$acc kernels present (b(0:n-1))
  21   do i = 0, n -1
  22      b(i) = i * 4
  23   end do
  24   !$acc end kernels
  25   !$acc exit data copyout (b(0:n-1))
  26
  27   !$acc enter data copyin (a(0:n-1), b(0:n-1)) create (c(0:n-1))
  28   !$acc kernels present (a(0:n-1), b(0:n-1), c(0:n-1))
  29   do ii = 0, n - 1
  30      c(ii) = a(ii) + b(ii)
  31   end do
  32   !$acc end kernels
  33   !$acc exit data copyout (c(0:n-1))
  34
  35   do i = 0, n - 1
  36      if (c(i) .ne. a(i) + b(i)) call abort
  37   end do
  38
  39 end program main
  40
  41 ! Check that only three loops are analyzed, and that all can be parallelized.
  42 ! { dg-final { scan-tree-dump-times "SUCCESS: may be parallelized" 3 "parloops1" } }
  43 ! { dg-final { scan-tree-dump-not "FAILED:" "parloops1" } }
  44
  45 ! Check that the loop has been split off into a function.
  46 ! { dg-final { scan-tree-dump-times "(?n);; Function MAIN__._omp_fn.0 " 1 "optimized" } }
  47 ! { dg-final { scan-tree-dump-times "(?n);; Function MAIN__._omp_fn.1 " 1 "optimized" } }
  48 ! { dg-final { scan-tree-dump-times "(?n);; Function MAIN__._omp_fn.2 " 1 "optimized" } }