libgomp/testsuite/libgomp.oacc-fortran/kernels-private-vars-loop-vector-1.f90

   1 ! Test of vector-private variables declared on loop directive.
   2
   3 ! { dg-do run }
   4
   5 ! { dg-additional-options "--param=openacc-kernels=decompose" }
   6
   7 ! { dg-additional-options "-fopt-info-omp-all" }
   8 ! { dg-additional-options "-foffload=-fopt-info-omp-all" }
   9
  10 ! { dg-additional-options "--param=openacc-privatization=noisy" }
  11 ! { dg-additional-options "-foffload=--param=openacc-privatization=noisy" }
  12 ! Prune a few: uninteresting:
  13 ! { dg-prune-output {note: variable 'D\.[0-9]+' declared in block isn't candidate for adjusting OpenACC privatization level: not addressable} }
  14
  15 ! It's only with Tcl 8.5 (released in 2007) that "the variable 'varName'
  16 ! passed to 'incr' may be unset, and in that case, it will be set to [...]",
  17 ! so to maintain compatibility with earlier Tcl releases, we manually
  18 ! initialize counter variables:
  19 ! { dg-line l_dummy[variable c_compute 0 c_loop_i 0 c_loop_j 0 c_loop_k 0] }
  20 ! { dg-message "dummy" "" { target iN-VAl-Id } l_dummy } to avoid
  21 ! "WARNING: dg-line var l_dummy defined, but not used".
  22
  23 program main
  24   integer :: x, i, j, k, idx, arr(0:32*32*32)
  25
  26   do i = 0, 32*32*32-1
  27      arr(i) = i
  28   end do
  29
  30   !$acc kernels copy(arr)
  31   ! { dg-note {forwarded loop nest in OpenACC 'kernels' region to 'parloops' for analysis} {} { target *-*-* } .+1 }
  32   !$acc loop gang(num:32) ! { dg-line l_loop_i[incr c_loop_i] }
  33   ! { dg-note {variable 'i' in 'private' clause isn't candidate for adjusting OpenACC privatization level: not addressable} {} { target *-*-* } l_loop_i$c_loop_i }
  34   do i = 0, 31
  35      !$acc loop worker(num:8) ! { dg-line l_loop_j[incr c_loop_j] }
  36      ! { dg-note {variable 'j' in 'private' clause isn't candidate for adjusting OpenACC privatization level: not addressable} {} { target *-*-* } l_loop_j$c_loop_j }
  37      do j = 0, 31
  38         !$acc loop vector(length:32) private(x) ! { dg-line l_loop_k[incr c_loop_k] }
  39         ! { dg-note {variable 'k' in 'private' clause isn't candidate for adjusting OpenACC privatization level: not addressable} {} { target *-*-* } l_loop_k$c_loop_k }
  40         ! { dg-note {variable 'x' in 'private' clause isn't candidate for adjusting OpenACC privatization level: not addressable} {} { target *-*-* } l_loop_k$c_loop_k }
  41         do k = 0, 31
  42            x = ieor(i, j * 3)
  43            arr(i * 1024 + j * 32 + k) = arr(i * 1024 + j * 32 + k) + x * k
  44         end do
  45         !$acc loop vector(length:32) private(x) ! { dg-line l_loop_k[incr c_loop_k] }
  46         ! { dg-note {variable 'k' in 'private' clause isn't candidate for adjusting OpenACC privatization level: not addressable} {} { target *-*-* } l_loop_k$c_loop_k }
  47         ! { dg-note {variable 'x' in 'private' clause isn't candidate for adjusting OpenACC privatization level: not addressable} {} { target *-*-* } l_loop_k$c_loop_k }
  48         do k = 0, 31
  49            x = ior(i, j * 5)
  50            arr(i * 1024 + j * 32 + k) = arr(i * 1024 + j * 32 + k) + x * k
  51         end do
  52      end do
  53   end do
  54   ! { dg-optimized {assigned OpenACC seq loop parallelism} {} { target *-*-* } l_loop_i$c_loop_i }
  55   !$acc end kernels
  56
  57   do i = 0, 32 - 1
  58      do j = 0, 32 -1
  59         do k = 0, 32 - 1
  60            idx = i * 1024 + j * 32 + k
  61            if (arr(idx) .ne. idx + ieor(i, j * 3) * k + ior(i, j * 5) * k) then
  62               stop 1
  63            end if
  64         end do
  65      end do
  66   end do
  67 end program main