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