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! RUN: %python %S/../test_errors.py %s %flang -fopenacc
! Check OpenACC clause validity for the following construct and directive:
! 2.11 Parallel Loop
program openacc_parallel_loop_validity
implicit none
integer :: i, j, b
integer, parameter :: N = 256
integer, dimension(N) :: c
logical, dimension(N) :: d, e
real :: reduction_r
logical :: reduction_l
logical :: ifCondition = .TRUE.
real(8), dimension(N) :: a, f, g, h
real(8), dimension(N, N) :: aa, bb, cc
!$acc parallel loop tile(2)
do i = 1, N
a(i) = 3.14
end do
!$acc parallel loop self
do i = 1, N
a(i) = 3.14
end do
!ERROR: SELF clause on the PARALLEL LOOP directive only accepts optional scalar logical expression
!$acc parallel loop self(bb, cc(:))
do i = 1, N
a(i) = 3.14
end do
!$acc parallel loop self(.true.)
do i = 1, N
a(i) = 3.14
end do
!$acc parallel loop self(ifCondition)
do i = 1, N
a(i) = 3.14
end do
!$acc parallel loop tile(2, 2)
do i = 1, N
do j = 1, N
aa(i, j) = 3.14
end do
end do
!ERROR: Clause IF is not allowed after clause DEVICE_TYPE on the PARALLEL LOOP directive
!$acc parallel loop device_type(*) if(.TRUE.)
do i = 1, N
a(i) = 3.14
end do
!$acc end parallel loop
!$acc kernels loop
do i = 1, N
a(i) = 3.14
end do
!ERROR: Unmatched END PARALLEL LOOP directive
!$acc end parallel loop
!$acc parallel loop reduction(+: reduction_r)
do i = 1, N
reduction_r = a(i) + i
end do
!$acc parallel loop reduction(*: reduction_r)
do i = 1, N
reduction_r = reduction_r * (a(i) + i)
end do
!$acc parallel loop reduction(min: reduction_r)
do i = 1, N
reduction_r = min(reduction_r, a(i) * i)
end do
!$acc parallel loop reduction(max: reduction_r)
do i = 1, N
reduction_r = max(reduction_r, a(i) * i)
end do
!$acc parallel loop reduction(iand: b)
do i = 1, N
b = iand(b, c(i))
end do
!$acc parallel loop reduction(ior: b)
do i = 1, N
b = ior(b, c(i))
end do
!$acc parallel loop reduction(ieor: b)
do i = 1, N
b = ieor(b, c(i))
end do
!$acc parallel loop reduction(.and.: reduction_l)
do i = 1, N
reduction_l = d(i) .and. e(i)
end do
!$acc parallel loop reduction(.or.: reduction_l)
do i = 1, N
reduction_l = d(i) .or. e(i)
end do
!$acc parallel loop reduction(.eqv.: reduction_l)
do i = 1, N
reduction_l = d(i) .eqv. e(i)
end do
!$acc parallel loop reduction(.neqv.: reduction_l)
do i = 1, N
reduction_l = d(i) .neqv. e(i)
end do
end program openacc_parallel_loop_validity
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