libgomp/testsuite/libgomp.oacc-fortran/kernels-private-vars-loop-worker-3.f90

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