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! { dg-do run }
! { dg-skip-if "" { *-*-* } { "*" } { "-DACC_MEM_SHARED=0" } }
program update
use openacc
implicit none
integer, parameter :: N = 8
integer, parameter :: NDIV2 = N / 2
real :: a(N), b(N)
integer i
do i = 1, N
a(i) = 3.0
b(i) = 0.0
end do
!$acc enter data copyin (a, b)
!$acc parallel present (a, b)
do i = 1, N
b(i) = a(i)
end do
!$acc end parallel
!$acc update host (a, b)
do i = 1, N
if (a(i) .ne. 3.0) call abort
if (b(i) .ne. 3.0) call abort
end do
if (acc_is_present (a) .neqv. .TRUE.) call abort
if (acc_is_present (b) .neqv. .TRUE.) call abort
do i = 1, N
a(i) = 5.0
b(i) = 1.0
end do
!$acc update device (a, b)
!$acc parallel present (a, b)
do i = 1, N
b(i) = a(i)
end do
!$acc end parallel
!$acc update host (a, b)
do i = 1, N
if (a(i) .ne. 5.0) call abort
if (b(i) .ne. 5.0) call abort
end do
if (acc_is_present (a) .neqv. .TRUE.) call abort
if (acc_is_present (b) .neqv. .TRUE.) call abort
!$acc parallel present (a, b)
do i = 1, N
b(i) = a(i)
end do
!$acc end parallel
!$acc update host (a, b)
do i = 1, N
if (a(i) .ne. 5.0) call abort
if (b(i) .ne. 5.0) call abort
end do
if (acc_is_present (a) .neqv. .TRUE.) call abort
if (acc_is_present (b) .neqv. .TRUE.) call abort
do i = 1, N
a(i) = 6.0
b(i) = 0.0
end do
!$acc update device (a, b)
do i = 1, N
a(i) = 9.0
end do
!$acc parallel present (a, b)
do i = 1, N
b(i) = a(i)
end do
!$acc end parallel
!$acc update host (a, b)
do i = 1, N
if (a(i) .ne. 6.0) call abort
if (b(i) .ne. 6.0) call abort
end do
if (acc_is_present (a) .neqv. .TRUE.) call abort
if (acc_is_present (b) .neqv. .TRUE.) call abort
do i = 1, N
a(i) = 7.0
b(i) = 2.0
end do
!$acc update device (a, b)
do i = 1, N
a(i) = 9.0
end do
!$acc parallel present (a, b)
do i = 1, N
b(i) = a(i)
end do
!$acc end parallel
!$acc update host (a, b)
do i = 1, N
if (a(i) .ne. 7.0) call abort
if (b(i) .ne. 7.0) call abort
end do
do i = 1, N
a(i) = 9.0
end do
!$acc update device (a)
!$acc parallel present (a, b)
do i = 1, N
b(i) = a(i)
end do
!$acc end parallel
!$acc update host (a, b)
do i = 1, N
if (a(i) .ne. 9.0) call abort
if (b(i) .ne. 9.0) call abort
end do
if (acc_is_present (a) .neqv. .TRUE.) call abort
if (acc_is_present (b) .neqv. .TRUE.) call abort
do i = 1, N
a(i) = 5.0
end do
!$acc update device (a)
do i = 1, N
a(i) = 6.0
end do
!$acc update device (a(1:NDIV2))
!$acc parallel present (a, b)
do i = 1, N
b(i) = a(i)
end do
!$acc end parallel
!$acc update host (a, b)
do i = 1, NDIV2
if (a(i) .ne. 6.0) call abort
if (b(i) .ne. 6.0) call abort
end do
do i = NDIV2 + 1, N
if (a(i) .ne. 5.0) call abort
if (b(i) .ne. 5.0) call abort
end do
if (acc_is_present (a) .neqv. .TRUE.) call abort
if (acc_is_present (b) .neqv. .TRUE.) call abort
do i = 1, N
a(i) = 0.0
end do
!$acc update device (a(1:4))
!$acc parallel present (a)
do i = 1, N
a(i) = a(i) + 1.0
end do
!$acc end parallel
!$acc update host (a(5:N))
do i = 1, NDIV2
if (a(i) .ne. 0.0) call abort
end do
do i = NDIV2 + 1, N
if (a(i) .ne. 6.0) call abort
end do
!$acc update host (a(1:4))
do i = 1, NDIV2
if (a(i) .ne. 1.0) call abort
end do
do i = NDIV2 + 1, N
if (a(i) .ne. 6.0) call abort
end do
a(3) = 9
a(4) = 9
a(5) = 9
a(6) = 9
!$acc update device (a(3:6))
!$acc parallel present (a(1:N))
do i = 1, N
a(i) = a(i) + 1.0
end do
!$acc end parallel
!$acc update host (a(3:6))
do i = 1, 2
if (a(i) .ne. 1.0) call abort
end do
do i = 3, 6
if (a(i) .ne. 10.0) call abort
end do
do i = 7, N
if (a(i) .ne. 6.0) call abort
end do
!$acc exit data delete (a, b)
end program
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