4e6d510eb3
Add a new AutomapToTargetData pass. This gathers the declare target enter variables which have the AUTOMAP modifier. And adds omp.declare_target_enter/exit mapping directives for fir.alloca and fir.free oeprations on the AUTOMAP enabled variables. Automap Ref: OpenMP 6.0 section 7.9.7.
37 lines
1.2 KiB
Fortran
37 lines
1.2 KiB
Fortran
!Offloading test for AUTOMAP modifier in declare target enter
|
|
! REQUIRES: flang, amdgpu
|
|
|
|
program automap_program
|
|
use iso_c_binding, only: c_loc
|
|
use omp_lib, only: omp_get_default_device, omp_target_is_present
|
|
integer, parameter :: N = 10
|
|
integer :: i
|
|
integer, allocatable, target :: automap_array(:)
|
|
!$omp declare target enter(automap:automap_array)
|
|
|
|
! false since the storage is not present even though the descriptor is present
|
|
write (*, *) omp_target_is_present(c_loc(automap_array), omp_get_default_device())
|
|
! CHECK: 0
|
|
|
|
allocate (automap_array(N))
|
|
! true since the storage should be allocated and reference count incremented by the allocate
|
|
write (*, *) omp_target_is_present(c_loc(automap_array), omp_get_default_device())
|
|
! CHECK: 1
|
|
|
|
! since storage is present this should not be a runtime error
|
|
!$omp target teams loop
|
|
do i = 1, N
|
|
automap_array(i) = i
|
|
end do
|
|
|
|
!$omp target update from(automap_array)
|
|
write (*, *) automap_array
|
|
! CHECK: 1 2 3 4 5 6 7 8 9 10
|
|
|
|
deallocate (automap_array)
|
|
|
|
! automap_array should have it's storage unmapped on device here
|
|
write (*, *) omp_target_is_present(c_loc(automap_array), omp_get_default_device())
|
|
! CHECK: 0
|
|
end program
|