gcc/libgomp/testsuite/libgomp.oacc-fortran/declare-1.f90

! { dg-do run }
! { dg-skip-if "" { *-*-* } { "-DACC_MEM_SHARED=1" } }

! { dg-additional-options "-fopt-info-all-omp" }
! { dg-additional-options "--param=openacc-privatization=noisy" }
! { dg-additional-options "-foffload=-fopt-info-all-omp" }
! { dg-additional-options "-foffload=--param=openacc-privatization=noisy" }
! for testing/documenting aspects of that functionality.

! Tests to exercise the declare directive along with
! the clauses: copy
!              copyin
!              copyout
!              create
!              present
!              present_or_copy
!              present_or_copyin
!              present_or_copyout
!              present_or_create

module vars
  implicit none
  integer z
  !$acc declare create (z)
end module vars

subroutine subr5 (a, b, c, d)
  implicit none
  integer, parameter :: N = 8
  integer :: i
  integer :: a(N)
  !$acc declare present_or_copyin (a)
  integer :: b(N)
  !$acc declare present_or_create (b)
  integer :: c(N)
  !$acc declare present_or_copyout (c)
  integer :: d(N)
  !$acc declare present_or_copy (d)

  i = 0

  !$acc parallel
  ! { dg-note {variable 'D\.[0-9]+' declared in block isn't candidate for adjusting OpenACC privatization level: not addressable} "" { target *-*-* } .-1 }
    do i = 1, N
      b(i) = a(i)
      c(i) = b(i)
      d(i) = d(i) + b(i)
    end do
  !$acc end parallel

end subroutine

subroutine subr4 (a, b)
  implicit none
  integer, parameter :: N = 8
  integer :: i
  integer :: a(N)
  !$acc declare present (a)
  integer :: b(N)
  !$acc declare copyout (b)

  i = 0

  !$acc parallel
  ! { dg-note {variable 'D\.[0-9]+' declared in block isn't candidate for adjusting OpenACC privatization level: not addressable} "" { target *-*-* } .-1 }
  do i = 1, N
    b(i) = a(i)
  end do
  !$acc end parallel

end subroutine

subroutine subr3 (a, c)
  implicit none
  integer, parameter :: N = 8
  integer :: i
  integer :: a(N)
  !$acc declare present (a)
  integer :: c(N)
  !$acc declare copyin (c)

  i = 0

  !$acc parallel
  ! { dg-note {variable 'D\.[0-9]+' declared in block isn't candidate for adjusting OpenACC privatization level: not addressable} "" { target *-*-* } .-1 }
  do i = 1, N
    a(i) = c(i)
    c(i) = 0
  end do
  !$acc end parallel

end subroutine

subroutine subr2 (a, b, c)
  implicit none
  integer, parameter :: N = 8
  integer :: i
  integer :: a(N)
  !$acc declare present (a)
  integer :: b(N)
  !$acc declare create (b)
  integer :: c(N)
  !$acc declare copy (c)

  i = 0

  !$acc parallel
  ! { dg-note {variable 'D\.[0-9]+' declared in block isn't candidate for adjusting OpenACC privatization level: not addressable} "" { target *-*-* } .-1 }
  do i = 1, N
    b(i) = a(i)
    c(i) = b(i) + c(i) + 1
  end do
  !$acc end parallel

end subroutine

subroutine subr1 (a)
  implicit none
  integer, parameter :: N = 8
  integer :: i
  integer :: a(N)
  !$acc declare present (a)

  i = 0

  !$acc parallel
  ! { dg-note {variable 'D\.[0-9]+' declared in block isn't candidate for adjusting OpenACC privatization level: not addressable} "" { target *-*-* } .-1 }
  do i = 1, N
    a(i) = a(i) + 1
  end do
  !$acc end parallel

end subroutine

subroutine test (a, e)
  use openacc
  implicit none
  logical :: e
  integer, parameter :: N = 8
  integer :: a(N)

  if (acc_is_present (a) .neqv. e) STOP 1

end subroutine

subroutine subr0 (a, b, c, d)
  ! { dg-note {variable 'C\.[0-9]+' declared in block potentially has improper OpenACC privatization level: 'const_decl'} "TODO" { target *-*-* } .-1 }
  ! { dg-note {variable 'D\.[0-9]+' declared in block isn't candidate for adjusting OpenACC privatization level: not addressable} "" { target *-*-* } .-2 }
  ! { dg-note {variable 'a\.[0-9]+' declared in block isn't candidate for adjusting OpenACC privatization level: not addressable} "" { target *-*-* } .-3 }
  implicit none
  integer, parameter :: N = 8
  integer :: a(N)
  !$acc declare copy (a)
  integer :: b(N)
  integer :: c(N)
  integer :: d(N)
  integer :: i

  call test (a, .true.)
  call test (b, .false.)
  call test (c, .false.)

  call subr1 (a)

  call test (a, .true.)
  call test (b, .false.)
  call test (c, .false.)

  call subr2 (a, b, c)

  call test (a, .true.)
  call test (b, .false.)
  call test (c, .false.)

  do i = 1, N
    if (c(i) .ne. 8) STOP 2
  end do

  call subr3 (a, c)

  call test (a, .true.)
  call test (b, .false.)
  call test (c, .false.)

  do i = 1, N
    if (a(i) .ne. 2) STOP 3
    if (c(i) .ne. 8) STOP 4
  end do

  call subr4 (a, b)

  call test (a, .true.)
  call test (b, .false.)
  call test (c, .false.)

  do i = 1, N
    if (b(i) .ne. 8) STOP 5
  end do

  call subr5 (a, b, c, d)

  call test (a, .true.)
  call test (b, .false.)
  call test (c, .false.)
  call test (d, .false.)

  do i = 1, N
    if (c(i) .ne. 8) STOP 6
    if (d(i) .ne. 13) STOP 7
  end do

end subroutine

program main
  ! { dg-note {variable 'C\.[0-9]+' declared in block potentially has improper OpenACC privatization level: 'const_decl'} "TODO" { target *-*-* } .-1 }
  ! { dg-note {variable 'D\.[0-9]+' declared in block isn't candidate for adjusting OpenACC privatization level: not addressable} "" { target *-*-* } .-2 }
  ! { dg-note {variable 'S\.[0-9]+' declared in block isn't candidate for adjusting OpenACC privatization level: not addressable} "" { target *-*-* } .-3 }
  ! { dg-note {variable 'desc\.[0-9]+' declared in block is candidate for adjusting OpenACC privatization level} "TODO" { target *-*-* } .-4 }
  use vars
  use openacc
  implicit none
  integer, parameter :: N = 8
  integer :: a(N)
  integer :: b(N)
  integer :: c(N)
  integer :: d(N)
  integer :: i

  a(:) = 2
  b(:) = 3
  c(:) = 4
  d(:) = 5

  if (acc_is_present (z) .neqv. .true.) STOP 8

  call subr0 (a, b, c, d)

  call test (a, .false.)
  call test (b, .false.)
  call test (c, .false.)
  call test (d, .false.)

  do i = 1, N
    if (a(i) .ne. 8) STOP 9
    if (b(i) .ne. 8) STOP 10
    if (c(i) .ne. 8) STOP 11
    if (d(i) .ne. 13) STOP 12
  end do

end program