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! RUN: %S/test_errors.sh %s %t %flang_fc1 -fopenmp
! OpenMP Version 4.5
! 2.15.3.6 Reduction Clause
program omp_reduction
integer :: i,j,l
integer :: k = 10
!$omp parallel private(k)
!ERROR: REDUCTION variable 'k' is PRIVATE in outer context must be shared in the parallel regions to which any of the worksharing regions arising from the worksharing construct bind.
!$omp do reduction(+:k)
do i = 1, 10
k = k + 1
end do
!$omp end do
!$omp end parallel
!$omp parallel private(j),reduction(-:k)
!ERROR: REDUCTION variable 'k' is REDUCTION in outer context must be shared in the parallel regions to which any of the worksharing regions arising from the worksharing construct bind.
!$omp do reduction(+:k)
do i = 1, 10
k = k + 1
end do
!$omp end do
!$omp end parallel
!$omp parallel private(j),firstprivate(k)
!ERROR: REDUCTION variable 'k' is FIRSTPRIVATE in outer context must be shared in the parallel regions to which any of the worksharing regions arising from the worksharing construct bind.
!$omp do reduction(min:k)
do i = 1, 10
k = k + 1
end do
!$omp end do
!$omp end parallel
!$omp parallel private(l,j),firstprivate(k)
!ERROR: REDUCTION variable 'k' is FIRSTPRIVATE in outer context must be shared in the parallel regions to which any of the worksharing regions arising from the worksharing construct bind.
!ERROR: REDUCTION variable 'j' is PRIVATE in outer context must be shared in the parallel regions to which any of the worksharing regions arising from the worksharing construct bind.
!$omp sections reduction(ior:k) reduction(-:j)
do i = 1, 10
k = k + 1
end do
!$omp end sections
!$omp end parallel
!$omp sections private(k)
!ERROR: A worksharing region may not be closely nested inside a worksharing, explicit task, taskloop, critical, ordered, atomic, or master region
!ERROR: REDUCTION variable 'k' is PRIVATE in outer context must be shared in the parallel regions to which any of the worksharing regions arising from the worksharing construct bind.
!$omp do reduction(+:k) reduction(max:j)
do i = 1, 10
k = k + 1
end do
!$omp end do
!$omp end sections
!$omp sections private(k)
!$omp target
do j = 1,10
!ERROR: A worksharing region may not be closely nested inside a worksharing, explicit task, taskloop, critical, ordered, atomic, or master region
!$omp do reduction(+:k) reduction(max:j)
do i = 1, 10
k = k + 1
end do
!$omp end do
end do
!$omp end target
!$omp end sections
!$omp parallel reduction(+:a)
!ERROR: REDUCTION variable 'a' is REDUCTION in outer context must be shared in the parallel regions to which any of the worksharing regions arising from the worksharing construct bind.
!$omp sections reduction(-:a)
a = 10
!$omp end sections
!$omp end parallel
!$omp parallel reduction(-:a)
!$omp end parallel
!$omp parallel reduction(+:a)
!ERROR: REDUCTION clause is not allowed on the WORKSHARE directive
!ERROR: REDUCTION variable 'a' is REDUCTION in outer context must be shared in the parallel regions to which any of the worksharing regions arising from the worksharing construct bind.
!$omp workshare reduction(-:a)
a = 10
!$omp end workshare
!$omp end parallel
!$omp parallel reduction(-:a)
!$omp end parallel
!$omp parallel reduction(+:a)
!ERROR: REDUCTION clause is not allowed on the SINGLE directive
!ERROR: REDUCTION variable 'a' is REDUCTION in outer context must be shared in the parallel regions to which any of the worksharing regions arising from the worksharing construct bind.
!$omp single reduction(-:a)
a = 10
!$omp end single
!$omp end parallel
!$omp parallel reduction(-:a)
!$omp end parallel
!$omp parallel reduction(+:a)
!ERROR: REDUCTION clause is not allowed on the SINGLE directive
!ERROR: REDUCTION variable 'a' is REDUCTION in outer context must be shared in the parallel regions to which any of the worksharing regions arising from the worksharing construct bind.
!$omp single reduction(iand:a)
a = 10
!$omp end single
!$omp end parallel
!$omp parallel reduction(iand:a)
!$omp end parallel
!$omp parallel reduction(ieor:a)
!ERROR: REDUCTION variable 'a' is REDUCTION in outer context must be shared in the parallel regions to which any of the worksharing regions arising from the worksharing construct bind.
!$omp sections reduction(-:a)
a = 10
!$omp end sections
!$omp end parallel
!$omp parallel reduction(ieor:a)
!$omp end parallel
end program omp_reduction
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