xref: /llvm-project/flang/test/Lower/allocatable-globals.f90 (revision 2985d1c267de69384f7be419d9cb01955537d6f2)
1! RUN: bbc -emit-fir %s -o - | FileCheck %s
2! RUN: bbc -emit-fir -use-alloc-runtime %s -o - | FileCheck %s
3
4! Test global allocatable definition lowering
5
6! CHECK-LABEL: fir.global @_QMmod_allocatablesEc : !fir.box<!fir.heap<!fir.array<?x!fir.char<1,10>>>> {
7  ! CHECK-DAG: %[[modcNullAddr:.*]] = fir.zero_bits !fir.heap<!fir.array<?x!fir.char<1,10>>>
8  ! CHECK-DAG: %[[modcShape:.*]] = fir.shape %c0{{.*}} : (index) -> !fir.shape<1>
9  ! CHECK: %[[modcInitBox:.*]] = fir.embox %[[modcNullAddr]](%[[modcShape]]) : (!fir.heap<!fir.array<?x!fir.char<1,10>>>, !fir.shape<1>) -> !fir.box<!fir.heap<!fir.array<?x!fir.char<1,10>>>>
10  ! CHECK: fir.has_value %[[modcInitBox]] : !fir.box<!fir.heap<!fir.array<?x!fir.char<1,10>>>>
11
12module mod_allocatables
13  character(10), allocatable :: c(:)
14end module
15
16! CHECK-LABEL: func @_QPtest_mod_allocatables()
17subroutine test_mod_allocatables()
18  use mod_allocatables, only: c
19  ! CHECK: fir.address_of(@_QMmod_allocatablesEc) : !fir.ref<!fir.box<!fir.heap<!fir.array<?x!fir.char<1,10>>>>>
20  call bar(c(1))
21end subroutine
22
23
24! CHECK-LABEL: func @_QPtest_globals()
25subroutine test_globals()
26  integer, allocatable :: gx, gy(:, :)
27  save :: gx, gy
28  ! CHECK-DAG: fir.address_of(@_QFtest_globalsEgx) : !fir.ref<!fir.box<!fir.heap<i32>>>
29  ! CHECK-DAG: fir.address_of(@_QFtest_globalsEgy) : !fir.ref<!fir.box<!fir.heap<!fir.array<?x?xi32>>>>
30  character(:), allocatable :: gc1, gc2(:, :)
31  character(10), allocatable :: gc3, gc4(:, :)
32  save :: gc1, gc2, gc3, gc4
33  ! CHECK-DAG: fir.address_of(@_QFtest_globalsEgc1) : !fir.ref<!fir.box<!fir.heap<!fir.char<1,?>>>>
34  ! CHECK-DAG: fir.address_of(@_QFtest_globalsEgc2) : !fir.ref<!fir.box<!fir.heap<!fir.array<?x?x!fir.char<1,?>>>>>
35  ! CHECK-DAG: fir.address_of(@_QFtest_globalsEgc3) : !fir.ref<!fir.box<!fir.heap<!fir.char<1,10>>>>
36  ! CHECK-DAG: fir.address_of(@_QFtest_globalsEgc4) : !fir.ref<!fir.box<!fir.heap<!fir.array<?x?x!fir.char<1,10>>>>>
37  allocate(gx, gy(20, 30), gc3, gc4(40, 50))
38  allocate(character(15):: gc1, gc2(60, 70))
39end subroutine
40
41! CHECK-LABEL: fir.global internal @_QFtest_globalsEgc1 : !fir.box<!fir.heap<!fir.char<1,?>>>
42  ! CHECK-DAG: %[[gc1NullAddr:.*]] = fir.zero_bits !fir.heap<!fir.char<1,?>>
43  ! CHECK: %[[gc1InitBox:.*]] = fir.embox %[[gc1NullAddr]] typeparams %c0{{.*}} : (!fir.heap<!fir.char<1,?>>, index) -> !fir.box<!fir.heap<!fir.char<1,?>>>
44  ! CHECK: fir.has_value %[[gc1InitBox]] : !fir.box<!fir.heap<!fir.char<1,?>>>
45
46! CHECK-LABEL: fir.global internal @_QFtest_globalsEgc2 : !fir.box<!fir.heap<!fir.array<?x?x!fir.char<1,?>>>>
47  ! CHECK-DAG: %[[gc2NullAddr:.*]] = fir.zero_bits !fir.heap<!fir.array<?x?x!fir.char<1,?>>>
48  ! CHECK-DAG: %[[gc2NullShape:.*]] = fir.shape %c0{{.*}}, %c0{{.*}} : (index, index) -> !fir.shape<2>
49  ! CHECK: %[[gc2InitBox:.*]] = fir.embox %[[gc2NullAddr]](%[[gc2NullShape]]) typeparams %c0{{.*}} : (!fir.heap<!fir.array<?x?x!fir.char<1,?>>>, !fir.shape<2>, index) -> !fir.box<!fir.heap<!fir.array<?x?x!fir.char<1,?>>>>
50  ! CHECK: fir.has_value %[[gc2InitBox]] : !fir.box<!fir.heap<!fir.array<?x?x!fir.char<1,?>>>>
51
52! CHECK-LABEL: fir.global internal @_QFtest_globalsEgc3 : !fir.box<!fir.heap<!fir.char<1,10>>>
53  ! CHECK-DAG: %[[gc3NullAddr:.*]] = fir.zero_bits !fir.heap<!fir.char<1,10>>
54  ! CHECK: %[[gc3InitBox:.*]] = fir.embox %[[gc3NullAddr]] : (!fir.heap<!fir.char<1,10>>) -> !fir.box<!fir.heap<!fir.char<1,10>>>
55  ! CHECK: fir.has_value %[[gc3InitBox]] : !fir.box<!fir.heap<!fir.char<1,10>>>
56
57! CHECK-LABEL: fir.global internal @_QFtest_globalsEgc4 : !fir.box<!fir.heap<!fir.array<?x?x!fir.char<1,10>>>>
58  ! CHECK-DAG: %[[gc4NullAddr:.*]] = fir.zero_bits !fir.heap<!fir.array<?x?x!fir.char<1,10>>>
59  ! CHECK-DAG: %[[gc4NullShape:.*]] = fir.shape %c0{{.*}}, %c0{{.*}} : (index, index) -> !fir.shape<2>
60  ! CHECK: %[[gc4InitBox:.*]] = fir.embox %[[gc4NullAddr]](%[[gc4NullShape]]) : (!fir.heap<!fir.array<?x?x!fir.char<1,10>>>, !fir.shape<2>) -> !fir.box<!fir.heap<!fir.array<?x?x!fir.char<1,10>>>>
61  ! CHECK: fir.has_value %[[gc4InitBox]] : !fir.box<!fir.heap<!fir.array<?x?x!fir.char<1,10>>>>
62
63! CHECK-LABEL: fir.global internal @_QFtest_globalsEgx : !fir.box<!fir.heap<i32>>
64  ! CHECK: %[[gxNullAddr:.*]] = fir.zero_bits !fir.heap<i32>
65  ! CHECK: %[[gxInitBox:.*]] = fir.embox %0 : (!fir.heap<i32>) -> !fir.box<!fir.heap<i32>>
66  ! CHECK: fir.has_value %[[gxInitBox]] : !fir.box<!fir.heap<i32>>
67
68! CHECK-LABEL: fir.global internal @_QFtest_globalsEgy : !fir.box<!fir.heap<!fir.array<?x?xi32>>> {
69  ! CHECK-DAG: %[[gyNullAddr:.*]] = fir.zero_bits !fir.heap<!fir.array<?x?xi32>>
70  ! CHECK-DAG: %[[gyShape:.*]] = fir.shape %c0{{.*}}, %c0{{.*}} : (index, index) -> !fir.shape<2>
71  ! CHECK: %[[gyInitBox:.*]] = fir.embox %[[gyNullAddr]](%[[gyShape]]) : (!fir.heap<!fir.array<?x?xi32>>, !fir.shape<2>) -> !fir.box<!fir.heap<!fir.array<?x?xi32>>>
72  ! CHECK: fir.has_value %[[gyInitBox]] : !fir.box<!fir.heap<!fir.array<?x?xi32>>>
73