xref: /llvm-project/flang/test/Lower/HLFIR/internal-procedures-polymorphic.f90 (revision 12ba74e181bd6641b532e271f3bfabf53066b1c0) 
1! Test lowering of internal procedure capturing OPTIONAL polymorphic
2! objects.
3! RUN: bbc -emit-hlfir -o - %s -I nw | FileCheck %s
4
5
6module captured_optional_polymorphic
7  type sometype
8  end type
9contains
10subroutine test(x, y)
11  class(sometype), optional :: x
12  class(sometype), optional :: y(2:)
13  call internal()
14contains
15  subroutine internal()
16    if (present(x).and.present(y)) then
17      print *, same_type_as(x, y)
18    end if
19  end subroutine
20end
21end module
22
23! CHECK-LABEL:   func.func @_QMcaptured_optional_polymorphicPtest(
24! CHECK:           %[[VAL_2:.*]]:2 = hlfir.declare{{.*}}Ex
25! CHECK:           %[[VAL_3:.*]] = arith.constant 2 : i64
26! CHECK:           %[[VAL_4:.*]] = fir.convert %[[VAL_3]] : (i64) -> index
27! CHECK:           %[[VAL_5:.*]] = fir.shift %[[VAL_4]] : (index) -> !fir.shift<1>
28! CHECK:           %[[VAL_6:.*]]:2 = hlfir.declare{{.*}}Ey
29! CHECK:           %[[VAL_7:.*]] = fir.alloca tuple<!fir.class<!fir.type<_QMcaptured_optional_polymorphicTsometype>>, !fir.class<!fir.array<?x!fir.type<_QMcaptured_optional_polymorphicTsometype>>>>
30! CHECK:           %[[VAL_8:.*]] = arith.constant 0 : i32
31! CHECK:           %[[VAL_9:.*]] = fir.coordinate_of %[[VAL_7]], %[[VAL_8]]
32! CHECK:           %[[VAL_10:.*]] = fir.is_present %[[VAL_2]]#1 : (!fir.class<!fir.type<_QMcaptured_optional_polymorphicTsometype>>) -> i1
33! CHECK:           fir.if %[[VAL_10]] {
34! CHECK:             fir.store %[[VAL_2]]#1 to %[[VAL_9]] : !fir.ref<!fir.class<!fir.type<_QMcaptured_optional_polymorphicTsometype>>>
35! CHECK:           } else {
36! CHECK:             %[[VAL_11:.*]] = fir.zero_bits !fir.ref<!fir.type<_QMcaptured_optional_polymorphicTsometype>>
37! CHECK:             %[[VAL_12:.*]] = fir.embox %[[VAL_11]] : (!fir.ref<!fir.type<_QMcaptured_optional_polymorphicTsometype>>) -> !fir.class<!fir.type<_QMcaptured_optional_polymorphicTsometype>>
38! CHECK:             fir.store %[[VAL_12]] to %[[VAL_9]] : !fir.ref<!fir.class<!fir.type<_QMcaptured_optional_polymorphicTsometype>>>
39! CHECK:           }
40! CHECK:           %[[VAL_13:.*]] = arith.constant 1 : i32
41! CHECK:           %[[VAL_14:.*]] = fir.coordinate_of %[[VAL_7]], %[[VAL_13]]
42! CHECK:           %[[VAL_15:.*]] = fir.is_present %[[VAL_6]]#1 : (!fir.class<!fir.array<?x!fir.type<_QMcaptured_optional_polymorphicTsometype>>>) -> i1
43! CHECK:           fir.if %[[VAL_15]] {
44! CHECK:             %[[VAL_16:.*]] = fir.shift %[[VAL_4]] : (index) -> !fir.shift<1>
45! CHECK:             %[[VAL_17:.*]] = fir.rebox %[[VAL_6]]#1(%[[VAL_16]]) : (!fir.class<!fir.array<?x!fir.type<_QMcaptured_optional_polymorphicTsometype>>>, !fir.shift<1>) -> !fir.class<!fir.array<?x!fir.type<_QMcaptured_optional_polymorphicTsometype>>>
46! CHECK:             fir.store %[[VAL_17]] to %[[VAL_14]] : !fir.ref<!fir.class<!fir.array<?x!fir.type<_QMcaptured_optional_polymorphicTsometype>>>>
47! CHECK:           } else {
48! CHECK:             %[[VAL_18:.*]] = fir.type_desc !fir.type<_QMcaptured_optional_polymorphicTsometype>
49! CHECK:             %[[VAL_19:.*]] = fir.convert %[[VAL_14]] : (!fir.ref<!fir.class<!fir.array<?x!fir.type<_QMcaptured_optional_polymorphicTsometype>>>>) -> !fir.ref<!fir.box<none>>
50! CHECK:             %[[VAL_20:.*]] = fir.convert %[[VAL_18]] : (!fir.tdesc<!fir.type<_QMcaptured_optional_polymorphicTsometype>>) -> !fir.ref<none>
51! CHECK:             %[[VAL_21:.*]] = arith.constant 1 : i32
52! CHECK:             %[[VAL_22:.*]] = arith.constant 0 : i32
53! CHECK:             fir.call @_FortranAPointerNullifyDerived(%[[VAL_19]], %[[VAL_20]], %[[VAL_21]], %[[VAL_22]]) fastmath<contract> : (!fir.ref<!fir.box<none>>, !fir.ref<none>, i32, i32) -> ()
54! CHECK:           }
55! CHECK:           fir.call @_QMcaptured_optional_polymorphicFtestPinternal(%[[VAL_7]])
56
57! CHECK-LABEL: func.func{{.*}} @_QMcaptured_optional_polymorphicFtestPinternal(
58! CHECK-SAME:      %[[VAL_0:.*]]: !fir.ref<tuple<{{.*}}>>
59! CHECK:           %[[VAL_1:.*]] = arith.constant 0 : i32
60! CHECK:           %[[VAL_2:.*]] = fir.coordinate_of %[[VAL_0]], %[[VAL_1]]
61! CHECK:           %[[VAL_3:.*]] = fir.load %[[VAL_2]] : !fir.ref<!fir.class<!fir.type<_QMcaptured_optional_polymorphicTsometype>>>
62! CHECK:           %[[VAL_4:.*]] = fir.box_addr %[[VAL_3]] : (!fir.class<!fir.type<_QMcaptured_optional_polymorphicTsometype>>) -> !fir.ref<!fir.type<_QMcaptured_optional_polymorphicTsometype>>
63! CHECK:           %[[VAL_5:.*]] = fir.convert %[[VAL_4]] : (!fir.ref<!fir.type<_QMcaptured_optional_polymorphicTsometype>>) -> i64
64! CHECK:           %[[VAL_6:.*]] = arith.constant 0 : i64
65! CHECK:           %[[VAL_7:.*]] = arith.cmpi ne, %[[VAL_5]], %[[VAL_6]] : i64
66! CHECK:           %[[VAL_8:.*]] = fir.absent !fir.class<!fir.type<_QMcaptured_optional_polymorphicTsometype>>
67! CHECK:           %[[VAL_9:.*]] = arith.select %[[VAL_7]], %[[VAL_3]], %[[VAL_8]] : !fir.class<!fir.type<_QMcaptured_optional_polymorphicTsometype>>
68! CHECK:           %[[VAL_10:.*]]:2 = hlfir.declare %[[VAL_9]] {fortran_attrs = #fir.var_attrs<optional, host_assoc>, {{.*}}Ex
69! CHECK:           %[[VAL_11:.*]] = arith.constant 1 : i32
70! CHECK:           %[[VAL_12:.*]] = fir.coordinate_of %[[VAL_0]], %[[VAL_11]]
71! CHECK:           %[[VAL_13:.*]] = fir.load %[[VAL_12]] : !fir.ref<!fir.class<!fir.array<?x!fir.type<_QMcaptured_optional_polymorphicTsometype>>>>
72! CHECK:           %[[VAL_14:.*]] = arith.constant 0 : index
73! CHECK:           %[[VAL_15:.*]]:3 = fir.box_dims %[[VAL_13]], %[[VAL_14]]
74! CHECK:           %[[VAL_16:.*]] = fir.box_addr %[[VAL_13]]
75! CHECK:           %[[VAL_17:.*]] = fir.convert %[[VAL_16]] : (!fir.ref<!fir.array<?x!fir.type<_QMcaptured_optional_polymorphicTsometype>>>) -> i64
76! CHECK:           %[[VAL_18:.*]] = arith.constant 0 : i64
77! CHECK:           %[[VAL_19:.*]] = arith.cmpi ne, %[[VAL_17]], %[[VAL_18]] : i64
78! CHECK:           %[[VAL_20:.*]] = fir.absent !fir.class<!fir.array<?x!fir.type<_QMcaptured_optional_polymorphicTsometype>>>
79! CHECK:           %[[VAL_21:.*]] = arith.select %[[VAL_19]], %[[VAL_13]], %[[VAL_20]] : !fir.class<!fir.array<?x!fir.type<_QMcaptured_optional_polymorphicTsometype>>>
80! CHECK:           %[[VAL_22:.*]] = fir.shift %[[VAL_15]]#0 : (index) -> !fir.shift<1>
81! CHECK:           %[[VAL_23:.*]]:2 = hlfir.declare %[[VAL_21]](%[[VAL_22]]) {fortran_attrs = #fir.var_attrs<optional, host_assoc>, {{.*}}Ey
82