derek.holloway
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61 lines
1.3 KiB
Fortran
61 lines
1.3 KiB
Fortran
! Validate that a device pointer obtained via omp_get_mapped_ptr can be used
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! inside a TARGET region with the is_device_ptr clause.
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! REQUIRES: flang, amdgcn-amd-amdhsa
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! RUN: %libomptarget-compile-fortran-run-and-check-generic
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module mod
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implicit none
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integer, parameter :: n = 4
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contains
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subroutine kernel(dptr)
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use iso_c_binding, only : c_ptr, c_f_pointer
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implicit none
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type(c_ptr) :: dptr
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integer, dimension(:), pointer :: b
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integer :: i
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b => null()
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!$omp target is_device_ptr(dptr)
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call c_f_pointer(dptr, b, [n])
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do i = 1, n
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b(i) = b(i) + 1
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end do
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!$omp end target
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end subroutine kernel
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end module mod
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program is_device_ptr_target
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use iso_c_binding, only : c_ptr, c_loc, c_f_pointer
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use omp_lib, only: omp_get_default_device, omp_get_mapped_ptr
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use mod, only: kernel, n
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implicit none
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integer, dimension(n), target :: a
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integer :: dev
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type(c_ptr) :: dptr
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a = [2, 4, 6, 8]
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print '("BEFORE:", I3)', a
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dev = omp_get_default_device()
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!$omp target data map(tofrom: a)
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dptr = omp_get_mapped_ptr(c_loc(a), dev)
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call kernel(dptr)
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!$omp end target data
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print '("AFTER: ", I3)', a
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if (all(a == [3, 5, 7, 9])) then
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print '("PASS")'
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else
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print '("FAIL ", I3)', a
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end if
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end program is_device_ptr_target
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!CHECK: PASS
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