1! RUN: %python %S/test_errors.py %s %flang -fopenmp
2! OpenMP Version 4.5
3! 2.7.4 workshare Construct
4! Checks for OpenMP Parallel constructs enclosed in Workshare constructs
5
6module workshare_mod
7  interface assignment(=)
8    module procedure work_assign
9  end interface
10
11  contains
12    subroutine work_assign(a,b)
13      integer, intent(out) :: a
14      logical, intent(in) :: b(:)
15    end subroutine work_assign
16
17    integer function my_func()
18      my_func = 10
19    end function my_func
20
21end module workshare_mod
22
23program omp_workshare
24  use workshare_mod
25
26  integer, parameter :: n = 10
27  integer :: i, j, a(10), b(10)
28  integer, pointer :: p
29  integer, target :: t
30  logical :: l(10)
31  real :: aa(n,n), bb(n,n), cc(n,n), dd(n,n), ee(n,n), ff(n,n)
32
33  !$omp workshare
34
35  !$omp parallel
36  p => t
37  a = l
38  !$omp single
39  ee = ff
40  !$omp end single
41  !$omp end parallel
42
43  !ERROR: A worksharing region may not be closely nested inside a worksharing, explicit task, taskloop, critical, ordered, atomic, or master region
44  !$omp parallel sections
45  !$omp section
46  aa = my_func()
47  !$omp end parallel sections
48
49  !$omp parallel do
50  do i = 1, 10
51    b(i) = my_func() + i
52  end do
53  !$omp end parallel do
54
55  !$omp parallel
56  where (dd .lt. 5) dd = aa * my_func()
57  !$omp end parallel
58
59  !$omp end workshare
60
61end program omp_workshare
62