flang/test/Semantics/OpenMP/lastprivate02.f90

   1 ! RUN: %python %S/../test_errors.py %s %flang_fc1 -fopenmp
   2 ! OpenMP Version 4.5
   3 ! 2.15.3.5 lastprivate Clause
   4 ! A list item that is private within a parallel region, or that appears in
   5 ! reduction clause of a parallel construct, must not appear in a
   6 ! lastprivate clause on a worksharing construct if any of the corresponding
   7 ! worksharing regions ever binds to any of the corresponding parallel regions.
   8
   9 program omp_lastprivate
  10   integer :: a(10), b(10), c(10)
  11
  12   a = 10
  13   b = 20
  14
  15   !$omp parallel reduction(+:a)
  16   !ERROR: LASTPRIVATE variable 'a' is PRIVATE in outer context
  17   !$omp sections lastprivate(a, b)
  18   !$omp section
  19   c = a + b
  20   !$omp end sections
  21   !$omp end parallel
  22
  23   !$omp parallel private(a,b)
  24   !ERROR: LASTPRIVATE variable 'a' is PRIVATE in outer context
  25   !ERROR: LASTPRIVATE variable 'b' is PRIVATE in outer context
  26   !$omp do lastprivate(a,b)
  27   do i = 1, 10
  28     c(i) = a(i) + b(i) + i
  29   end do
  30   !$omp end do
  31   !$omp end parallel
  32
  33   print *, c
  34
  35 end program omp_lastprivate