cd8229bb4b
This is an extension of CUDA Fortran. The iso_c_binding intrinsic can accept a `TYPE(c_devptr)` as its first argument. This patch relax the semantic check to accept it and update the lowering to unwrap the cptr field from the c_devptr.
48 lines
2.2 KiB
Plaintext
48 lines
2.2 KiB
Plaintext
! RUN: bbc -emit-hlfir -fcuda %s -o - | FileCheck %s
|
|
|
|
! Test CUDA Fortran specific type
|
|
|
|
module cudafct
|
|
use __fortran_builtins, only : c_devptr => __builtin_c_devptr
|
|
contains
|
|
function c_devloc(x)
|
|
use iso_c_binding, only: c_loc
|
|
type(c_devptr) :: c_devloc
|
|
!dir$ ignore_tkr (tkr) x
|
|
real, target, device :: x
|
|
c_devloc%cptr = c_loc(x)
|
|
end function
|
|
end
|
|
|
|
subroutine sub1()
|
|
use iso_c_binding
|
|
use __fortran_builtins, only : c_devptr => __builtin_c_devptr
|
|
|
|
type(c_ptr) :: ptr
|
|
type(c_devptr) :: dptr
|
|
print*,ptr
|
|
print*,dptr
|
|
end
|
|
|
|
! CHECK-LABEL: func.func @_QPsub1()
|
|
! CHECK-COUNT-2: %{{.*}} = fir.call @_FortranAioOutputDerivedType
|
|
|
|
subroutine sub2()
|
|
use cudafct
|
|
use iso_c_binding, only: c_f_pointer
|
|
|
|
real(4), device :: a(8, 10)
|
|
real(4), device, pointer :: x(:)
|
|
call c_f_pointer(c_devloc(a), x, (/80/))
|
|
end
|
|
|
|
! CHECK-LABEL: func.func @_QPsub2()
|
|
! CHECK: %[[X:.*]]:2 = hlfir.declare %{{.*}} {data_attr = #cuf.cuda<device>, fortran_attrs = #fir.var_attrs<pointer>, uniq_name = "_QFsub2Ex"} : (!fir.ref<!fir.box<!fir.ptr<!fir.array<?xf32>>>>) -> (!fir.ref<!fir.box<!fir.ptr<!fir.array<?xf32>>>>, !fir.ref<!fir.box<!fir.ptr<!fir.array<?xf32>>>>)
|
|
! CHECK: %[[CPTR:.*]] = fir.field_index cptr, !fir.type<_QM__fortran_builtinsT__builtin_c_devptr{cptr:!fir.type<_QM__fortran_builtinsT__builtin_c_ptr{__address:i64}>}>
|
|
! CHECK: %[[CPTR_COORD:.*]] = fir.coordinate_of %{{.*}}#1, %[[CPTR]] : (!fir.ref<!fir.type<_QM__fortran_builtinsT__builtin_c_devptr{cptr:!fir.type<_QM__fortran_builtinsT__builtin_c_ptr{__address:i64}>}>>, !fir.field) -> !fir.ref<!fir.type<_QM__fortran_builtinsT__builtin_c_ptr{__address:i64}>>
|
|
! CHECK: %[[CPTR_LOAD:.*]] = fir.load %[[CPTR_COORD]] : !fir.ref<!fir.type<_QM__fortran_builtinsT__builtin_c_ptr{__address:i64}>>
|
|
! CHECK: %[[ADDRESS:.*]] = fir.extract_value %[[CPTR_LOAD]], [0 : index] : (!fir.type<_QM__fortran_builtinsT__builtin_c_ptr{__address:i64}>) -> i64
|
|
! CHECK: %[[ADDRESS_IDX:.*]] = fir.convert %[[ADDRESS]] : (i64) -> !fir.ptr<!fir.array<?xf32>>
|
|
! CHECK: %[[EMBOX:.*]] = fir.embox %[[ADDRESS_IDX]](%{{.*}}) : (!fir.ptr<!fir.array<?xf32>>, !fir.shape<1>) -> !fir.box<!fir.ptr<!fir.array<?xf32>>>
|
|
! CHECK: fir.store %[[EMBOX]] to %[[X]]#1 : !fir.ref<!fir.box<!fir.ptr<!fir.array<?xf32>>>>
|