xref: /llvm-project/flang/test/Lower/HLFIR/constant-derived.f90 (revision 0b3d54973c75facf69daf2738c21f064c1854b33) 
1! Test lowering of Constant<SomeDerived>.
2! RUN: bbc -emit-hlfir -o - -I nowhere %s 2>&1 | FileCheck %s
3
4subroutine test_constant_scalar()
5  type myderived
6    integer :: i
7    integer :: j = 42
8    real :: x(2)
9    character(10) :: c
10  end type
11  print *, myderived(i=1, x=[2.,3.], c="hello")
12! CHECK-LABEL: func.func @_QPtest_constant_scalar() {
13! CHECK:  fir.address_of(@[[CST:_QQro._QFtest_constant_scalarTmyderived..*]])
14end subroutine
15
16subroutine test_constant_scalar_ptr_component()
17  type myderived
18    real, pointer :: x
19    real, pointer :: y(:)
20  end type
21  real, target, save :: targ(100)
22  call test(myderived(NULL(), targ(1:50:5)))
23! CHECK-LABEL: func.func @_QPtest_constant_scalar_ptr_component() {
24! CHECK:  fir.address_of(@[[CST_TARGET:_QQro._QFtest_constant_scalar_ptr_componentTmyderived..*]])
25end subroutine
26
27subroutine test_comp_ref()
28  ! Test parent component value in an initial value structure constructor.
29  type t1
30    integer :: i
31  end type
32  type, extends(t1) :: t2
33    integer :: j
34  end type
35  type(t2) :: x = t2(t1=t1(1), j=2)
36end subroutine
37
38! CHECK: fir.global internal @[[CST]] constant : !fir.type<[[DERIVED:_QFtest_constant_scalarTmyderived{i:i32,j:i32,x:!fir.array<2xf32>,c:!fir.char<1,10>}]]> {
39! CHECK:   %[[VAL_0:.*]] = fir.undefined !fir.type<[[DERIVED]]>
40! CHECK:   %[[VAL_1:.*]] = fir.field_index i, !fir.type<[[DERIVED]]>
41! CHECK:   %[[VAL_2:.*]] = arith.constant 1 : i32
42! CHECK:   %[[VAL_3:.*]] = fir.insert_value %[[VAL_0]], %[[VAL_2]], ["i", !fir.type<[[DERIVED]]>] : (!fir.type<[[DERIVED]]>, i32) -> !fir.type<[[DERIVED]]>
43! CHECK:   %[[VAL_4:.*]] = fir.field_index j, !fir.type<[[DERIVED]]>
44! CHECK:   %[[VAL_5:.*]] = arith.constant 42 : i32
45! CHECK:   %[[VAL_6:.*]] = fir.insert_value %[[VAL_3]], %[[VAL_5]], ["j", !fir.type<[[DERIVED]]>] : (!fir.type<[[DERIVED]]>, i32) -> !fir.type<[[DERIVED]]>
46! CHECK:   %[[VAL_7:.*]] = fir.field_index x, !fir.type<[[DERIVED]]>
47! CHECK:   %[[VAL_8:.*]] = fir.undefined !fir.array<2xf32>
48! CHECK:   %[[VAL_9:.*]] = arith.constant 2.000000e+00 : f32
49! CHECK:   %[[VAL_10:.*]] = fir.insert_value %[[VAL_8]], %[[VAL_9]], [0 : index] : (!fir.array<2xf32>, f32) -> !fir.array<2xf32>
50! CHECK:   %[[VAL_11:.*]] = arith.constant 3.000000e+00 : f32
51! CHECK:   %[[VAL_12:.*]] = fir.insert_value %[[VAL_10]], %[[VAL_11]], [1 : index] : (!fir.array<2xf32>, f32) -> !fir.array<2xf32>
52! CHECK:   %[[VAL_13:.*]] = arith.constant 2 : index
53! CHECK:   %[[VAL_14:.*]] = fir.insert_value %[[VAL_6]], %[[VAL_12]], ["x", !fir.type<[[DERIVED]]>] : (!fir.type<[[DERIVED]]>, !fir.array<2xf32>) -> !fir.type<[[DERIVED]]>
54! CHECK:   %[[VAL_15:.*]] = fir.field_index c, !fir.type<[[DERIVED]]>
55! CHECK:   %[[VAL_16:.*]] = fir.string_lit "hello     "(10) : !fir.char<1,10>
56! CHECK:   %[[VAL_17:.*]] = arith.constant 10 : index
57! CHECK:   %[[VAL_18:.*]] = fir.insert_value %[[VAL_14]], %[[VAL_16]], ["c", !fir.type<[[DERIVED]]>] : (!fir.type<[[DERIVED]]>, !fir.char<1,10>) -> !fir.type<[[DERIVED]]>
58! CHECK:   fir.has_value %[[VAL_18]] : !fir.type<[[DERIVED]]>
59! CHECK: }
60
61! CHECK: fir.global internal @[[CST_TARGET]] constant :
62! CHECK-SAME: !fir.type<[[DERIVED_2:_QFtest_constant_scalar_ptr_componentTmyderived{x:!fir.box<!fir.ptr<f32>>,y:!fir.box<!fir.ptr<!fir.array<\?xf32>>>}]]> {
63! CHECK:   %[[VAL_0:.*]] = fir.undefined !fir.type<[[DERIVED_2]]>
64! CHECK:   %[[VAL_1:.*]] = fir.field_index x, !fir.type<[[DERIVED_2]]>
65! CHECK:   %[[VAL_2:.*]] = fir.zero_bits !fir.ptr<f32>
66! CHECK:   %[[VAL_3:.*]] = fir.embox %[[VAL_2]] : (!fir.ptr<f32>) -> !fir.box<!fir.ptr<f32>>
67! CHECK:   %[[VAL_4:.*]] = fir.insert_value %[[VAL_0]], %[[VAL_3]], ["x", !fir.type<[[DERIVED_2]]>] : (!fir.type<[[DERIVED_2]]>, !fir.box<!fir.ptr<f32>>) -> !fir.type<[[DERIVED_2]]>
68! CHECK:   %[[VAL_5:.*]] = fir.field_index y, !fir.type<[[DERIVED_2]]>
69! CHECK:   %[[VAL_6:.*]] = fir.address_of(@_QFtest_constant_scalar_ptr_componentEtarg) : !fir.ref<!fir.array<100xf32>>
70! CHECK:   %[[VAL_7:.*]] = arith.constant 100 : index
71! CHECK:   %[[VAL_8:.*]] = fir.shape %[[VAL_7]] : (index) -> !fir.shape<1>
72! CHECK:   %[[VAL_9:.*]]:2 = hlfir.declare %[[VAL_6]](%[[VAL_8]])
73! CHECK:   %[[VAL_11:.*]] = arith.constant 1 : index
74! CHECK:   %[[VAL_13:.*]] = arith.constant 50 : index
75! CHECK:   %[[VAL_15:.*]] = arith.constant 5 : index
76! CHECK:   %[[VAL_16:.*]] = arith.constant 10 : index
77! CHECK:   %[[VAL_17:.*]] = fir.shape %[[VAL_16]] : (index) -> !fir.shape<1>
78! CHECK:   %[[VAL_18:.*]] = hlfir.designate %[[VAL_9]]#0 (%[[VAL_11]]:%[[VAL_13]]:%[[VAL_15]])  shape %[[VAL_17]] : (!fir.ref<!fir.array<100xf32>>, index, index, index, !fir.shape<1>) -> !fir.box<!fir.array<10xf32>>
79! CHECK:   %[[VAL_19:.*]] = fir.rebox %[[VAL_18]] : (!fir.box<!fir.array<10xf32>>) -> !fir.box<!fir.ptr<!fir.array<?xf32>>>
80! CHECK:   %[[VAL_20:.*]] = fir.insert_value %[[VAL_4]], %[[VAL_19]], ["y", !fir.type<[[DERIVED_2]]>] : (!fir.type<[[DERIVED_2]]>, !fir.box<!fir.ptr<!fir.array<?xf32>>>) -> !fir.type<[[DERIVED_2]]>
81! CHECK:   fir.has_value %[[VAL_20]] : !fir.type<[[DERIVED_2]]>
82! CHECK: }
83
84! CHECK-LABEL:   fir.global internal @_QFtest_comp_refEx : !fir.type<_QFtest_comp_refTt2{t1:!fir.type<_QFtest_comp_refTt1{i:i32}>,j:i32}> {
85! CHECK:   %[[VAL_0:.*]] = fir.undefined !fir.type<_QFtest_comp_refTt2{t1:!fir.type<_QFtest_comp_refTt1{i:i32}>,j:i32}>
86! CHECK:   %[[VAL_1:.*]] = fir.field_index t1, !fir.type<_QFtest_comp_refTt2{t1:!fir.type<_QFtest_comp_refTt1{i:i32}>,j:i32}>
87! CHECK:   %[[VAL_2:.*]] = fir.undefined !fir.type<_QFtest_comp_refTt1{i:i32}>
88! CHECK:   %[[VAL_3:.*]] = fir.field_index i, !fir.type<_QFtest_comp_refTt1{i:i32}>
89! CHECK:   %[[VAL_4:.*]] = arith.constant 1 : i32
90! CHECK:   %[[VAL_5:.*]] = fir.insert_value %[[VAL_2]], %[[VAL_4]], ["i", !fir.type<_QFtest_comp_refTt1{i:i32}>] : (!fir.type<_QFtest_comp_refTt1{i:i32}>, i32) -> !fir.type<_QFtest_comp_refTt1{i:i32}>
91! CHECK:   %[[VAL_6:.*]] = fir.insert_value %[[VAL_0]], %[[VAL_5]], ["t1", !fir.type<_QFtest_comp_refTt2{t1:!fir.type<_QFtest_comp_refTt1{i:i32}>,j:i32}>] : (!fir.type<_QFtest_comp_refTt2{t1:!fir.type<_QFtest_comp_refTt1{i:i32}>,j:i32}>, !fir.type<_QFtest_comp_refTt1{i:i32}>) -> !fir.type<_QFtest_comp_refTt2{t1:!fir.type<_QFtest_comp_refTt1{i:i32}>,j:i32}>
92! CHECK:   %[[VAL_7:.*]] = fir.field_index j, !fir.type<_QFtest_comp_refTt2{t1:!fir.type<_QFtest_comp_refTt1{i:i32}>,j:i32}>
93! CHECK:   %[[VAL_8:.*]] = arith.constant 2 : i32
94! CHECK:   %[[VAL_9:.*]] = fir.insert_value %[[VAL_6]], %[[VAL_8]], ["j", !fir.type<_QFtest_comp_refTt2{t1:!fir.type<_QFtest_comp_refTt1{i:i32}>,j:i32}>] : (!fir.type<_QFtest_comp_refTt2{t1:!fir.type<_QFtest_comp_refTt1{i:i32}>,j:i32}>, i32) -> !fir.type<_QFtest_comp_refTt2{t1:!fir.type<_QFtest_comp_refTt1{i:i32}>,j:i32}>
95! CHECK:   fir.has_value %[[VAL_9]] : !fir.type<_QFtest_comp_refTt2{t1:!fir.type<_QFtest_comp_refTt1{i:i32}>,j:i32}>
96! CHECK: }
97