[flang] Accept polymorphic component element in storage_size
[llvm-project.git] / flang / test / Lower / pointer-disassociate.f90
blob753db13f63395bed23e4e10601dbcdded4043ed4
1 ! Test lowering of pointer disassociation
2 ! RUN: bbc -emit-fir %s -o - | FileCheck %s
5 ! -----------------------------------------------------------------------------
6 ! Test p => NULL()
7 ! -----------------------------------------------------------------------------
10 ! CHECK-LABEL: func @_QPtest_scalar(
11 ! CHECK-SAME: %[[p:.*]]: !fir.ref<!fir.box<!fir.ptr<f32>>>{{.*}})
12 subroutine test_scalar(p)
13 real, pointer :: p
14 ! CHECK: %[[null:.*]] = fir.zero_bits !fir.ptr<f32>
15 ! CHECK: %[[box:.*]] = fir.embox %[[null]] : (!fir.ptr<f32>) -> !fir.box<!fir.ptr<f32>>
16 ! CHECK: fir.store %[[box]] to %[[p]] : !fir.ref<!fir.box<!fir.ptr<f32>>>
17 p => NULL()
18 end subroutine
20 ! CHECK-LABEL: func @_QPtest_scalar_char(
21 ! CHECK-SAME: %[[p:.*]]: !fir.ref<!fir.box<!fir.ptr<!fir.char<1,?>>>>{{.*}})
22 subroutine test_scalar_char(p)
23 character(:), pointer :: p
24 ! CHECK: %[[null:.*]] = fir.zero_bits !fir.ptr<!fir.char<1,?>>
25 ! CHECK: %[[box:.*]] = fir.embox %[[null]] typeparams %c0{{.*}} : (!fir.ptr<!fir.char<1,?>>, index) -> !fir.box<!fir.ptr<!fir.char<1,?>>>
26 ! CHECK: fir.store %[[box]] to %[[p]] : !fir.ref<!fir.box<!fir.ptr<!fir.char<1,?>>>>
27 p => NULL()
28 end subroutine
30 ! CHECK-LABEL: func @_QPtest_array(
31 ! CHECK-SAME: %[[p:.*]]: !fir.ref<!fir.box<!fir.ptr<!fir.array<?xf32>>>>{{.*}})
32 subroutine test_array(p)
33 real, pointer :: p(:)
34 ! CHECK: %[[null:.*]] = fir.zero_bits !fir.ptr<!fir.array<?xf32>>
35 ! CHECK: %[[shape:.*]] = fir.shape %c0{{.*}}
36 ! CHECK: %[[box:.*]] = fir.embox %[[null]](%[[shape]]) : (!fir.ptr<!fir.array<?xf32>>, !fir.shape<1>) -> !fir.box<!fir.ptr<!fir.array<?xf32>>>
37 ! CHECK: fir.store %[[box]] to %[[p]] : !fir.ref<!fir.box<!fir.ptr<!fir.array<?xf32>>>>
38 p => NULL()
39 end subroutine
41 ! Test p(lb, ub) => NULL() which is none sens but is not illegal.
42 ! CHECK-LABEL: func @_QPtest_array_remap(
43 ! CHECK-SAME: %[[p:.*]]: !fir.ref<!fir.box<!fir.ptr<!fir.array<?xf32>>>>{{.*}})
44 subroutine test_array_remap(p)
45 real, pointer :: p(:)
46 ! CHECK: %[[null:.*]] = fir.zero_bits !fir.ptr<!fir.array<?xf32>>
47 ! CHECK: %[[shape:.*]] = fir.shape %c0{{.*}}
48 ! CHECK: %[[box:.*]] = fir.embox %[[null]](%[[shape]]) : (!fir.ptr<!fir.array<?xf32>>, !fir.shape<1>) -> !fir.box<!fir.ptr<!fir.array<?xf32>>>
49 ! CHECK: fir.store %[[box]] to %[[p]] : !fir.ref<!fir.box<!fir.ptr<!fir.array<?xf32>>>>
50 p(10:20) => NULL()
51 end subroutine
53 ! -----------------------------------------------------------------------------
54 ! Test p => NULL(MOLD)
55 ! -----------------------------------------------------------------------------
57 ! CHECK-LABEL: func @_QPtest_scalar_mold(
58 ! CHECK-SAME: %[[p:.*]]: !fir.ref<!fir.box<!fir.ptr<f32>>>{{[^,]*}},
59 subroutine test_scalar_mold(p, x)
60 real, pointer :: p, x
61 ! CHECK: %[[VAL_0:.*]] = fir.alloca !fir.box<!fir.ptr<f32>>
62 ! CHECK: %[[VAL_1:.*]] = fir.zero_bits !fir.ptr<f32>
63 ! CHECK: %[[VAL_2:.*]] = fir.embox %[[VAL_1]] : (!fir.ptr<f32>) -> !fir.box<!fir.ptr<f32>>
64 ! CHECK: fir.store %[[VAL_2]] to %[[VAL_0]] : !fir.ref<!fir.box<!fir.ptr<f32>>>
65 ! CHECK: %[[VAL_3:.*]] = fir.load %[[VAL_0]] : !fir.ref<!fir.box<!fir.ptr<f32>>>
66 ! CHECK: %[[VAL_4:.*]] = fir.box_addr %[[VAL_3]] : (!fir.box<!fir.ptr<f32>>) -> !fir.ptr<f32>
67 ! CHECK: %[[VAL_5:.*]] = fir.embox %[[VAL_4]] : (!fir.ptr<f32>) -> !fir.box<!fir.ptr<f32>>
68 ! CHECK: fir.store %[[VAL_5]] to %[[p]] : !fir.ref<!fir.box<!fir.ptr<f32>>>
69 p => NULL(x)
70 end subroutine
72 ! CHECK-LABEL: func @_QPtest_scalar_char_mold(
73 ! CHECK-SAME: %[[p:.*]]: !fir.ref<!fir.box<!fir.ptr<!fir.char<1,?>>>>{{[^,]*}},
74 subroutine test_scalar_char_mold(p, x)
75 character(:), pointer :: p, x
76 ! CHECK: %[[VAL_7:.*]] = fir.alloca !fir.box<!fir.ptr<!fir.char<1,?>>>
77 ! CHECK: %[[VAL_8:.*]] = fir.zero_bits !fir.ptr<!fir.char<1,?>>
78 ! CHECK: %[[VAL_9:.*]] = arith.constant 0 : index
79 ! CHECK: %[[VAL_10:.*]] = fir.embox %[[VAL_8]] typeparams %[[VAL_9]] : (!fir.ptr<!fir.char<1,?>>, index) -> !fir.box<!fir.ptr<!fir.char<1,?>>>
80 ! CHECK: fir.store %[[VAL_10]] to %[[VAL_7]] : !fir.ref<!fir.box<!fir.ptr<!fir.char<1,?>>>>
81 ! CHECK: %[[VAL_11:.*]] = fir.load %[[VAL_7]] : !fir.ref<!fir.box<!fir.ptr<!fir.char<1,?>>>>
82 ! CHECK: %[[VAL_12:.*]] = fir.box_elesize %[[VAL_11]] : (!fir.box<!fir.ptr<!fir.char<1,?>>>) -> index
83 ! CHECK: %[[VAL_13:.*]] = fir.box_addr %[[VAL_11]] : (!fir.box<!fir.ptr<!fir.char<1,?>>>) -> !fir.ptr<!fir.char<1,?>>
84 ! CHECK: %[[VAL_14:.*]] = fir.embox %[[VAL_13]] typeparams %[[VAL_12]] : (!fir.ptr<!fir.char<1,?>>, index) -> !fir.box<!fir.ptr<!fir.char<1,?>>>
85 ! CHECK: fir.store %[[VAL_14]] to %[[p]] : !fir.ref<!fir.box<!fir.ptr<!fir.char<1,?>>>>
86 p => NULL(x)
87 end subroutine
89 ! CHECK-LABEL: func @_QPtest_array_mold(
90 ! CHECK-SAME: %[[p:.*]]: !fir.ref<!fir.box<!fir.ptr<!fir.array<?xf32>>>>{{[^,]*}},
91 subroutine test_array_mold(p, x)
92 real, pointer :: p(:), x(:)
93 ! CHECK: %[[VAL_0:.*]] = fir.alloca !fir.box<!fir.ptr<!fir.array<?xf32>>>
94 ! CHECK: %[[VAL_1:.*]] = fir.zero_bits !fir.ptr<!fir.array<?xf32>>
95 ! CHECK: %[[VAL_2:.*]] = arith.constant 0 : index
96 ! CHECK: %[[VAL_3:.*]] = fir.shape %[[VAL_2]] : (index) -> !fir.shape<1>
97 ! CHECK: %[[VAL_4:.*]] = fir.embox %[[VAL_1]](%[[VAL_3]]) : (!fir.ptr<!fir.array<?xf32>>, !fir.shape<1>) -> !fir.box<!fir.ptr<!fir.array<?xf32>>>
98 ! CHECK: fir.store %[[VAL_4]] to %[[VAL_0]] : !fir.ref<!fir.box<!fir.ptr<!fir.array<?xf32>>>>
99 ! CHECK: %[[VAL_5:.*]] = fir.load %[[VAL_0]] : !fir.ref<!fir.box<!fir.ptr<!fir.array<?xf32>>>>
100 ! CHECK: %[[VAL_6:.*]] = arith.constant 0 : index
101 ! CHECK: %[[VAL_7:.*]]:3 = fir.box_dims %[[VAL_5]], %[[VAL_6]] : (!fir.box<!fir.ptr<!fir.array<?xf32>>>, index) -> (index, index, index)
102 ! CHECK: %[[VAL_8:.*]] = fir.shift %[[VAL_7]]#0 : (index) -> !fir.shift<1>
103 ! CHECK: %[[VAL_9:.*]] = fir.rebox %[[VAL_5]](%[[VAL_8]]) : (!fir.box<!fir.ptr<!fir.array<?xf32>>>, !fir.shift<1>) -> !fir.box<!fir.ptr<!fir.array<?xf32>>>
104 ! CHECK: fir.store %[[VAL_9]] to %[[p]] : !fir.ref<!fir.box<!fir.ptr<!fir.array<?xf32>>>>
105 p => NULL(x)
106 end subroutine