flang/test/Semantics/omp-firstprivate01.f90

   1 ! RUN: %S/test_errors.sh %s %t %flang_fc1 -fopenmp
   2 ! REQUIRES: shell
   3 ! OpenMP Version 4.5
   4 ! 2.15.3.4 firstprivate Clause
   5 ! Variables that appear in a firstprivate clause on a distribute or
   6 ! worksharing constructs must not appear in the private or
   7 ! reduction clause in a teams or parallel constructs in the outer context
   8
   9 program omp_firstprivate
  10   integer :: i, a(10), b(10), c(10)
  11
  12   a = 10
  13   b = 20
  14
  15   !$omp target
  16   !$omp teams private(a, b)
  17   !ERROR: FIRSTPRIVATE variable 'a' is PRIVATE in outer context
  18   !$omp distribute firstprivate(a)
  19   do i = 1, 10
  20     a(i) = a(i) + b(i) - i
  21   end do
  22   !$omp end distribute
  23   !$omp end teams
  24   !$omp teams reduction(+:a)
  25   !ERROR: FIRSTPRIVATE variable 'a' is PRIVATE in outer context
  26   !$omp distribute firstprivate(a)
  27   do i = 1, 10
  28    b(i) = b(i) + a(i) + i
  29   end do
  30   !$omp end distribute
  31   !$omp end teams
  32   !$omp end target
  33
  34   print *, a, b
  35
  36   !$omp parallel private(a,b)
  37   !ERROR: FIRSTPRIVATE variable 'b' is PRIVATE in outer context
  38   !$omp do firstprivate(b)
  39   do i = 1, 10
  40     c(i) = a(i) + b(i) + i
  41   end do
  42   !$omp end do
  43   !$omp end parallel
  44
  45   !$omp parallel reduction(-:a)
  46   !ERROR: FIRSTPRIVATE variable 'a' is PRIVATE in outer context
  47   !$omp do firstprivate(a,b)
  48   do i = 1, 10
  49     c(i) =  c(i) - a(i) * b(i) * i
  50   end do
  51   !$omp end do
  52   !$omp end parallel
  53
  54   !$omp parallel reduction(+:a)
  55   !ERROR: FIRSTPRIVATE variable 'a' is PRIVATE in outer context
  56   !$omp sections firstprivate(a, b)
  57   !$omp section
  58   c = c * a + b
  59   !$omp end sections
  60   !$omp end parallel
  61
  62   !$omp parallel reduction(-:a)
  63   !ERROR: FIRSTPRIVATE variable 'a' is PRIVATE in outer context
  64   !$omp task firstprivate(a,b)
  65   c =  c - a * b
  66   !$omp end task
  67   !$omp end parallel
  68
  69   !$omp parallel reduction(+:b)
  70   !ERROR: FIRSTPRIVATE variable 'b' is PRIVATE in outer context
  71   !$omp taskloop firstprivate(b)
  72   do i = 1, 10
  73     c(i) = a(i) + b(i) + i
  74     a = a+i
  75     b = b-i
  76   end do
  77   !$omp end taskloop
  78   !$omp end parallel
  79
  80   !$omp parallel firstprivate(a)
  81   !ERROR: FIRSTPRIVATE variable 'a' is PRIVATE in outer context
  82   !$omp single firstprivate(a)
  83   print *, a
  84   !$omp end single
  85   !$omp end parallel
  86
  87   print *, c
  88
  89 end program omp_firstprivate