d0829fbded
Polymorphic entity lowering status is good. The main remaining TODO is to allow lowering of vector subscripted polymorphic entity, but this does not deserve blocking all application using polymorphism. Remove experimental option and enable lowering of polymorphic entity by default.
54 lines
2.0 KiB
Fortran
54 lines
2.0 KiB
Fortran
! RUN: bbc -emit-hlfir %s -o - | FileCheck %s
|
|
|
|
module poly
|
|
type p1
|
|
integer :: a
|
|
integer :: b
|
|
contains
|
|
procedure, nopass :: proc1 => proc1_p1
|
|
end type
|
|
|
|
type, extends(p1) :: p2
|
|
integer :: c
|
|
contains
|
|
procedure, nopass :: proc1 => proc1_p2
|
|
end type
|
|
|
|
contains
|
|
|
|
subroutine proc1_p1()
|
|
print*, 'call proc1_p1'
|
|
end subroutine
|
|
|
|
subroutine proc1_p2()
|
|
print*, 'call proc1_p2'
|
|
end subroutine
|
|
|
|
subroutine test_nullify()
|
|
class(p1), pointer :: c
|
|
|
|
allocate(p2::c)
|
|
call c%proc1()
|
|
|
|
nullify(c) ! c dynamic type must be reset to p1
|
|
|
|
call c%proc1()
|
|
end subroutine
|
|
end module
|
|
|
|
program test
|
|
use poly
|
|
call test_nullify()
|
|
end
|
|
|
|
! CHECK-LABEL: func.func @_QMpolyPtest_nullify()
|
|
! CHECK: %[[C_DESC:.*]] = fir.alloca !fir.class<!fir.ptr<!fir.type<_QMpolyTp1{a:i32,b:i32}>>> {bindc_name = "c", uniq_name = "_QMpolyFtest_nullifyEc"}
|
|
! CHECK: %[[C_DESC_DECL:.*]]:2 = hlfir.declare %[[C_DESC]] {fortran_attrs = #fir.var_attrs<pointer>, uniq_name = "_QMpolyFtest_nullifyEc"} : (!fir.ref<!fir.class<!fir.ptr<!fir.type<_QMpolyTp1{a:i32,b:i32}>>>>) -> (!fir.ref<!fir.class<!fir.ptr<!fir.type<_QMpolyTp1{a:i32,b:i32}>>>>, !fir.ref<!fir.class<!fir.ptr<!fir.type<_QMpolyTp1{a:i32,b:i32}>>>>)
|
|
! CHECK: %{{.*}} = fir.call @_FortranAPointerAllocate(%{{.*}}, %{{.*}}, %{{.*}}, %{{.*}}, %{{.*}}) {{.*}}: (!fir.ref<!fir.box<none>>, i1, !fir.box<none>, !fir.ref<i8>, i32) -> i32
|
|
! CHECK: %[[DECLARED_TYPE_DESC:.*]] = fir.type_desc !fir.type<_QMpolyTp1{a:i32,b:i32}>
|
|
! CHECK: %[[C_DESC_CAST:.*]] = fir.convert %[[C_DESC_DECL]]#1 : (!fir.ref<!fir.class<!fir.ptr<!fir.type<_QMpolyTp1{a:i32,b:i32}>>>>) -> !fir.ref<!fir.box<none>>
|
|
! CHECK: %[[TYPE_DESC_CAST:.*]] = fir.convert %[[DECLARED_TYPE_DESC]] : (!fir.tdesc<!fir.type<_QMpolyTp1{a:i32,b:i32}>>) -> !fir.ref<none>
|
|
! CHECK: %[[RANK:.*]] = arith.constant 0 : i32
|
|
! CHECK: %[[CORANK:.*]] = arith.constant 0 : i32
|
|
! CHECK: %{{.*}} = fir.call @_FortranAPointerNullifyDerived(%[[C_DESC_CAST]], %[[TYPE_DESC_CAST]], %[[RANK]], %[[CORANK]]) {{.*}}: (!fir.ref<!fir.box<none>>, !fir.ref<none>, i32, i32) -> none
|