offload/test/offloading/fortran/target-map-pointer-target-scopes.f90

   1 ! Offloading test checking interaction of pointer
   2 ! and target with target across multiple scopes
   3 ! REQUIRES: flang, amdgpu
   4
   5 ! RUN: %libomptarget-compile-fortran-run-and-check-generic
   6 module test
   7     contains
   8   subroutine func_arg(arg_alloc)
   9     integer,  pointer, intent (inout) :: arg_alloc(:)
  10
  11   !$omp target map(tofrom: arg_alloc)
  12     do index = 1, 10
  13       arg_alloc(index) = arg_alloc(index) + index
  14     end do
  15   !$omp end target
  16
  17     print *, arg_alloc
  18   end subroutine func_arg
  19 end module
  20
  21 subroutine func
  22    integer,  pointer :: local_alloc(:)
  23    integer, target :: b(10)
  24    local_alloc => b
  25
  26   !$omp target map(tofrom: local_alloc)
  27     do index = 1, 10
  28       local_alloc(index) = index
  29     end do
  30   !$omp end target
  31
  32     print *, local_alloc
  33   end subroutine func
  34
  35
  36   program main
  37   use test
  38   integer,  pointer :: map_ptr(:)
  39   integer, target :: b(10)
  40
  41   map_ptr => b
  42
  43   !$omp target map(tofrom: map_ptr)
  44     do index = 1, 10
  45       map_ptr(index) = index
  46     end do
  47   !$omp end target
  48
  49    call func
  50
  51    print *, map_ptr
  52
  53    call func_arg(map_ptr)
  54 end program
  55
  56 !CHECK: 1 2 3 4 5 6 7 8 9 10
  57 !CHECK: 1 2 3 4 5 6 7 8 9 10
  58 !CHECK: 2 4 6 8 10 12 14 16 18 20