flang/test/Semantics/OpenACC/acc-parallel.f90

   1 ! RUN: %python %S/../test_errors.py %s %flang -fopenacc
   2
   3 ! Check OpenACC clause validity for the following construct and directive:
   4 !   2.5.1 Parallel
   5
   6 program openacc_parallel_validity
   7
   8   implicit none
   9
  10   integer :: i, j, b, gang_size, vector_size, worker_size
  11   integer, parameter :: N = 256
  12   integer, dimension(N) :: c
  13   logical, dimension(N) :: d, e
  14   integer :: async1
  15   integer :: wait1, wait2
  16   real :: reduction_r
  17   logical :: reduction_l
  18   real(8), dimension(N, N) :: aa, bb, cc
  19   real(8), dimension(:), allocatable :: dd
  20   real(8), pointer :: p
  21   logical :: ifCondition = .TRUE.
  22   real(8), dimension(N) :: a, f, g, h
  23
  24   !$acc parallel device_type(*) num_gangs(2)
  25   !$acc loop
  26   do i = 1, N
  27     a(i) = 3.14
  28   end do
  29   !$acc end parallel
  30
  31   !$acc parallel async
  32   !$acc end parallel
  33
  34   !$acc parallel async(1)
  35   !$acc end parallel
  36
  37   !$acc parallel async(async1)
  38   !$acc end parallel
  39
  40   !$acc parallel wait
  41   !$acc end parallel
  42
  43   !$acc parallel wait(1)
  44   !$acc end parallel
  45
  46   !$acc parallel wait(wait1)
  47   !$acc end parallel
  48
  49   !$acc parallel wait(1,2)
  50   !$acc end parallel
  51
  52   !$acc parallel wait(wait1, wait2)
  53   !$acc end parallel
  54
  55   !$acc parallel num_gangs(8)
  56   !$acc end parallel
  57
  58   !ERROR: NUM_GANGS clause accepts a maximum of 3 arguments
  59   !$acc parallel num_gangs(1, 1, 1, 1)
  60   !$acc end parallel
  61
  62   !$acc parallel num_workers(8)
  63   !$acc end parallel
  64
  65   !$acc parallel vector_length(128)
  66   !$acc end parallel
  67
  68   !$acc parallel if(.true.)
  69   !$acc end parallel
  70
  71   !$acc parallel if(ifCondition)
  72   !$acc end parallel
  73
  74   !$acc parallel self
  75   !$acc end parallel
  76
  77   !$acc parallel self(.true.)
  78   !$acc end parallel
  79
  80   !$acc parallel self(ifCondition)
  81   !$acc end parallel
  82
  83   !$acc parallel copy(aa) copyin(bb) copyout(cc)
  84   !$acc end parallel
  85
  86   !$acc parallel copy(aa, bb) copyout(zero: cc)
  87   !$acc end parallel
  88
  89   !$acc parallel present(aa, bb) create(cc)
  90   !$acc end parallel
  91
  92   !$acc parallel copyin(readonly: aa, bb) create(zero: cc)
  93   !$acc end parallel
  94
  95   !$acc parallel deviceptr(aa, bb) no_create(cc)
  96   !$acc end parallel
  97
  98   !ERROR: Argument `cc` on the ATTACH clause must be a variable or array with the POINTER or ALLOCATABLE attribute
  99   !$acc parallel attach(dd, p, cc)
 100   !$acc end parallel
 101
 102   !$acc parallel private(aa) firstprivate(bb, cc)
 103   !$acc end parallel
 104
 105   !$acc parallel default(none)
 106   !$acc end parallel
 107
 108   !$acc parallel default(present)
 109   !$acc end parallel
 110
 111   !$acc parallel device_type(*)
 112   !$acc end parallel
 113
 114   !$acc parallel device_type(default)
 115   !$acc end parallel
 116
 117   !$acc parallel device_type(default, host)
 118   !$acc end parallel
 119
 120   !ERROR: Clause PRIVATE is not allowed after clause DEVICE_TYPE on the PARALLEL directive
 121   !ERROR: Clause FIRSTPRIVATE is not allowed after clause DEVICE_TYPE on the PARALLEL directive
 122   !$acc parallel device_type(*) private(aa) firstprivate(bb)
 123   !$acc end parallel
 124
 125   !$acc parallel device_type(*) async
 126   !$acc end parallel
 127
 128   !$acc parallel device_type(*) wait
 129   !$acc end parallel
 130
 131   !$acc parallel device_type(*) num_gangs(8)
 132   !$acc end parallel
 133
 134   !$acc parallel device_type(*) async device_type(host) wait
 135   !$acc end parallel
 136
 137   !ERROR: Clause IF is not allowed after clause DEVICE_TYPE on the PARALLEL directive
 138   !$acc parallel device_type(*) if(.TRUE.)
 139   !$acc loop
 140   do i = 1, N
 141     a(i) = 3.14
 142   end do
 143   !$acc end parallel
 144
 145   do i = 1, 100
 146     !$acc parallel
 147     !ERROR: CYCLE to construct outside of PARALLEL construct is not allowed
 148     if (i == 10) cycle
 149     !$acc end parallel
 150   end do
 151
 152   !$acc parallel
 153   do i = 1, 100
 154     if (i == 10) cycle
 155   end do
 156   !$acc end parallel
 157
 158   !ERROR: At most one NUM_GANGS clause can appear on the PARALLEL directive or in group separated by the DEVICE_TYPE clause
 159   !$acc parallel num_gangs(400) num_gangs(400)
 160   !$acc end parallel
 161
 162   !ERROR: At most one NUM_GANGS clause can appear on the PARALLEL directive or in group separated by the DEVICE_TYPE clause
 163   !$acc parallel device_type(nvidia) num_gangs(400) num_gangs(200)
 164   !$acc end parallel
 165
 166   !$acc parallel device_type(nvidia) num_gangs(400) device_type(radeon) num_gangs(200)
 167   !$acc end parallel
 168
 169   !ERROR: At most one NUM_WORKERS clause can appear on the PARALLEL directive or in group separated by the DEVICE_TYPE clause
 170   !$acc parallel num_workers(8) num_workers(4)
 171   !$acc end parallel
 172
 173   !ERROR: At most one NUM_WORKERS clause can appear on the PARALLEL directive or in group separated by the DEVICE_TYPE clause
 174   !$acc parallel device_type(nvidia) num_workers(8) num_workers(4)
 175   !$acc end parallel
 176
 177   !$acc parallel device_type(nvidia) num_workers(8) device_type(radeon) num_workers(4)
 178   !$acc end parallel
 179
 180   !ERROR: At most one VECTOR_LENGTH clause can appear on the PARALLEL directive or in group separated by the DEVICE_TYPE clause
 181   !$acc parallel vector_length(128) vector_length(124)
 182   !$acc end parallel
 183
 184   !ERROR: At most one VECTOR_LENGTH clause can appear on the PARALLEL directive or in group separated by the DEVICE_TYPE clause
 185   !$acc parallel device_type(nvidia) vector_length(256) vector_length(128)
 186   !$acc end parallel
 187
 188   !$acc parallel device_type(nvidia) vector_length(256) device_type(radeon) vector_length(128)
 189   !$acc end parallel
 190
 191 end program openacc_parallel_validity