91 lines
2.0 KiB
Fortran
91 lines
2.0 KiB
Fortran
! { dg-do run }
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! { dg-options "-fno-inline -fno-ipa-sra -fno-ipa-cp -fno-ipa-cp-clone" }
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! { dg-set-target-env-var OMP_CANCELLATION "true" }
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use omp_lib
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integer :: i
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logical :: x(5)
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x(:) = .false.
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x(1) = .true.
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x(3) = .true.
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if (omp_get_cancellation ()) call foo (x)
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contains
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subroutine foo (x)
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use omp_lib
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logical :: x(5)
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integer :: v, w, i
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v = 0
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w = 0
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!$omp parallel num_threads (32) shared (v, w)
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!$omp do
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do i = 0, 999
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!$omp cancel do if (x(1))
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stop 1
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end do
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!$omp do
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do i = 0, 999
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!$omp cancel do if (x(2))
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!$omp atomic
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v = v + 1
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!$omp endatomic
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enddo
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!$omp do
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do i = 0, 999
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!$omp cancel do if (x(3))
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!$omp atomic
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w = w + 8
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!$omp end atomic
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end do
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!$omp do
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do i = 0, 999
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!$omp cancel do if (x(4))
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!$omp atomic
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v = v + 2
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!$omp end atomic
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end do
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!$omp end do
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!$omp end parallel
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if (v.ne.3000.or.w.ne.0) stop 2
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!$omp parallel num_threads (32) shared (v, w)
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! None of these cancel directives should actually cancel anything,
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! but the compiler shouldn't know that and thus should use cancellable
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! barriers at the end of all the workshares.
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!$omp cancel parallel if (omp_get_thread_num ().eq.1.and.x(5))
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!$omp do
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do i = 0, 999
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!$omp cancel do if (x(1))
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stop 3
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end do
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!$omp cancel parallel if (omp_get_thread_num ().eq.2.and.x(5))
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!$omp do
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do i = 0, 999
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!$omp cancel do if (x(2))
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!$omp atomic
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v = v + 1
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!$omp endatomic
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enddo
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!$omp cancel parallel if (omp_get_thread_num ().eq.3.and.x(5))
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!$omp do
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do i = 0, 999
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!$omp cancel do if (x(3))
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!$omp atomic
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w = w + 8
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!$omp end atomic
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end do
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!$omp cancel parallel if (omp_get_thread_num ().eq.4.and.x(5))
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!$omp do
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do i = 0, 999
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!$omp cancel do if (x(4))
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!$omp atomic
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v = v + 2
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!$omp end atomic
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end do
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!$omp end do
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!$omp cancel parallel if (omp_get_thread_num ().eq.5.and.x(5))
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!$omp end parallel
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if (v.ne.6000.or.w.ne.0) stop 4
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end subroutine
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end
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