! RUN: %python %S/../test_errors.py %s %flang -fopenacc
! Check OpenACC clause validity for the following construct and directive:
! 2.5.1 Parallel
program openacc_parallel_validity
implicit none
integer :: i, j, b, gang_size, vector_size, worker_size
integer, parameter :: N = 256
integer, dimension(N) :: c
logical, dimension(N) :: d, e
integer :: async1
integer :: wait1, wait2
real :: reduction_r
logical :: reduction_l
real(8), dimension(N, N) :: aa, bb, cc
real(8), dimension(:), allocatable :: dd
real(8), pointer :: p
logical :: ifCondition = .TRUE.
real(8), dimension(N) :: a, f, g, h
!$acc parallel device_type(*) num_gangs(2)
!$acc loop
do i = 1, N
a(i) = 3.14
end do
!$acc end parallel
!$acc parallel async
!$acc end parallel
!$acc parallel async(1)
!$acc end parallel
!$acc parallel async(async1)
!$acc end parallel
!$acc parallel wait
!$acc end parallel
!$acc parallel wait(1)
!$acc end parallel
!$acc parallel wait(wait1)
!$acc end parallel
!$acc parallel wait(1,2)
!$acc end parallel
!$acc parallel wait(wait1, wait2)
!$acc end parallel
!$acc parallel num_gangs(8)
!$acc end parallel
!ERROR: NUM_GANGS clause accepts a maximum of 3 arguments
!$acc parallel num_gangs(1, 1, 1, 1)
!$acc end parallel
!$acc parallel num_workers(8)
!$acc end parallel
!$acc parallel vector_length(128)
!$acc end parallel
!$acc parallel if(.true.)
!$acc end parallel
!$acc parallel if(ifCondition)
!$acc end parallel
!$acc parallel self
!$acc end parallel
!$acc parallel self(.true.)
!$acc end parallel
!$acc parallel self(ifCondition)
!$acc end parallel
!$acc parallel copy(aa) copyin(bb) copyout(cc)
!$acc end parallel
!$acc parallel copy(aa, bb) copyout(zero: cc)
!$acc end parallel
!$acc parallel present(aa, bb) create(cc)
!$acc end parallel
!$acc parallel copyin(readonly: aa, bb) create(zero: cc)
!$acc end parallel
!$acc parallel deviceptr(aa, bb) no_create(cc)
!$acc end parallel
!ERROR: Argument `cc` on the ATTACH clause must be a variable or array with the POINTER or ALLOCATABLE attribute
!$acc parallel attach(dd, p, cc)
!$acc end parallel
!$acc parallel private(aa) firstprivate(bb, cc)
!$acc end parallel
!$acc parallel default(none)
!$acc end parallel
!$acc parallel default(present)
!$acc end parallel
!$acc parallel device_type(*)
!$acc end parallel
!$acc parallel device_type(default)
!$acc end parallel
!$acc parallel device_type(default, host)
!$acc end parallel
!ERROR: Clause PRIVATE is not allowed after clause DEVICE_TYPE on the PARALLEL directive
!ERROR: Clause FIRSTPRIVATE is not allowed after clause DEVICE_TYPE on the PARALLEL directive
!$acc parallel device_type(*) private(aa) firstprivate(bb)
!$acc end parallel
!$acc parallel device_type(*) async
!$acc end parallel
!$acc parallel device_type(*) wait
!$acc end parallel
!$acc parallel device_type(*) num_gangs(8)
!$acc end parallel
!$acc parallel device_type(*) async device_type(host) wait
!$acc end parallel
!ERROR: Clause IF is not allowed after clause DEVICE_TYPE on the PARALLEL directive
!$acc parallel device_type(*) if(.TRUE.)
!$acc loop
do i = 1, N
a(i) = 3.14
end do
!$acc end parallel
do i = 1, 100
!$acc parallel
!ERROR: CYCLE to construct outside of PARALLEL construct is not allowed
if (i == 10) cycle
!$acc end parallel
end do
!$acc parallel
do i = 1, 100
if (i == 10) cycle
end do
!$acc end parallel
!ERROR: At most one NUM_GANGS clause can appear on the PARALLEL directive or in group separated by the DEVICE_TYPE clause
!$acc parallel num_gangs(400) num_gangs(400)
!$acc end parallel
!ERROR: At most one NUM_GANGS clause can appear on the PARALLEL directive or in group separated by the DEVICE_TYPE clause
!$acc parallel device_type(nvidia) num_gangs(400) num_gangs(200)
!$acc end parallel
!$acc parallel device_type(nvidia) num_gangs(400) device_type(radeon) num_gangs(200)
!$acc end parallel
!ERROR: At most one NUM_WORKERS clause can appear on the PARALLEL directive or in group separated by the DEVICE_TYPE clause
!$acc parallel num_workers(8) num_workers(4)
!$acc end parallel
!ERROR: At most one NUM_WORKERS clause can appear on the PARALLEL directive or in group separated by the DEVICE_TYPE clause
!$acc parallel device_type(nvidia) num_workers(8) num_workers(4)
!$acc end parallel
!$acc parallel device_type(nvidia) num_workers(8) device_type(radeon) num_workers(4)
!$acc end parallel
!ERROR: At most one VECTOR_LENGTH clause can appear on the PARALLEL directive or in group separated by the DEVICE_TYPE clause
!$acc parallel vector_length(128) vector_length(124)
!$acc end parallel
!ERROR: At most one VECTOR_LENGTH clause can appear on the PARALLEL directive or in group separated by the DEVICE_TYPE clause
!$acc parallel device_type(nvidia) vector_length(256) vector_length(128)
!$acc end parallel
!$acc parallel device_type(nvidia) vector_length(256) device_type(radeon) vector_length(128)
!$acc end parallel
end program openacc_parallel_validity