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! { dg-do run }

! { dg-require-effective-target tls_runtime }

use omp_lib

  common /tlsblock/ x, y

  integer :: x, y, z

  save z

!$omp threadprivate (/tlsblock/, z)

  call test_flush

  call test_ordered

  call test_threadprivate

contains

  subroutine test_flush

    integer :: i, j

    i = 0

    j = 0

!$omp parallel num_threads (4)

    if (omp_get_thread_num () .eq. 0) i = omp_get_num_threads ()

    if (omp_get_thread_num () .eq. 0) j = j + 1

!$omp flush (i, j)

!$omp barrier

    if (omp_get_thread_num () .eq. 1) j = j + 2

!$omp flush

!$omp barrier

    if (omp_get_thread_num () .eq. 2) j = j + 3

!$omp flush (i)

!$omp flush (j)

!$omp barrier

    if (omp_get_thread_num () .eq. 3) j = j + 4

!$omp end parallel

  end subroutine test_flush

  subroutine test_ordered

    integer :: i, j

    integer, dimension (100) :: d

    d(:) = -1

!$omp parallel do ordered schedule (dynamic) num_threads (4)

    do i = 1, 100, 5

!$omp ordered

      d(i) = i

!$omp end ordered

    end do

    j = 1

    do 100 i = 1, 100

      if (i .eq. j) then

        if (d(i) .ne. i) call abort

        j = i + 5

      else

        if (d(i) .ne. -1) call abort

      end if

100   d(i) = -1

  end subroutine test_ordered

  subroutine test_threadprivate

    common /tlsblock/ x, y

!$omp threadprivate (/tlsblock/)

    integer :: i, j, x, y

    logical :: m, n

    call omp_set_num_threads (4)

    call omp_set_dynamic (.false.)

    i = -1

    x = 6

    y = 7

    z = 8

    n = .false.

    m = .false.

!$omp parallel copyin (/tlsblock/, z) reduction (.or.:m) &

!$omp& num_threads (4)

    if (omp_get_thread_num () .eq. 0) i = omp_get_num_threads ()

    if (x .ne. 6 .or. y .ne. 7 .or. z .ne. 8) call abort

    x = omp_get_thread_num ()

    y = omp_get_thread_num () + 1024

    z = omp_get_thread_num () + 4096

!$omp end parallel

    if (x .ne. 0 .or. y .ne. 1024 .or. z .ne. 4096) call abort

!$omp parallel num_threads (4), private (j) reduction (.or.:n)

    if (omp_get_num_threads () .eq. i) then

      j = omp_get_thread_num ()

      if (x .ne. j .or. y .ne. j + 1024 .or. z .ne. j + 4096) &

&       call abort

    end if

!$omp end parallel

    m = m .or. n

    n = .false.

!$omp parallel num_threads (4), copyin (z) reduction (.or. : n) &

!$omp&private (j)

    if (z .ne. 4096) n = .true.

    if (omp_get_num_threads () .eq. i) then

      j = omp_get_thread_num ()

      if (x .ne. j .or. y .ne. j + 1024) call abort

    end if

!$omp end parallel

    if (m .or. n) call abort

  end subroutine test_threadprivate

end