1! RUN: bbc -emit-fir %s -o - | FileCheck %s
2
3! TODO: Descriptor (fir.box) will most likely be used for pointers
4! (at least for the character case below). This code is hitting a
5! hard todo until pointers are handled correctly.
6! XFAIL: true
7
8! CHECK-LABEL: func @_QPpointertests
9subroutine pointerTests
10  ! CHECK: fir.global internal @_QFpointertestsEptr1 : !fir.ptr<i32>
11  integer, pointer :: ptr1 => NULL()
12  ! CHECK: %[[c0:.*]] = arith.constant 0 : index
13  ! CHECK: [[reg1:%[0-9]+]] = fir.convert %[[c0:.*]] : (index) -> !fir.ref<none>
14  ! CHECK: [[reg2:%[0-9]+]] = fir.convert [[reg1]] : (!fir.ref<none>) -> !fir.ptr<i32>
15  ! CHECK: fir.has_value [[reg2]] : !fir.ptr<i32>
16
17  ! CHECK: fir.global internal @_QFpointertestsEptr2 : !fir.ptr<f32>
18  real, pointer :: ptr2 => NULL()
19  ! CHECK: %[[c0:.*]] = arith.constant 0 : index
20  ! CHECK: [[reg1:%[0-9]+]] = fir.convert %[[c0:.*]] : (index) -> !fir.ref<none>
21  ! CHECK: [[reg2:%[0-9]+]] = fir.convert [[reg1]] : (!fir.ref<none>) -> !fir.ptr<f32>
22  ! CHECK: fir.has_value [[reg2]] : !fir.ptr<f32>
23
24  ! CHECK: fir.global internal @_QFpointertestsEptr3 : !fir.ptr<!fir.complex<4>>
25  complex, pointer :: ptr3 => NULL()
26  ! CHECK: %[[c0:.*]] = arith.constant 0 : index
27  ! CHECK: [[reg1:%[0-9]+]] = fir.convert %[[c0:.*]] : (index) -> !fir.ref<none>
28  ! CHECK: [[reg2:%[0-9]+]] = fir.convert [[reg1]] : (!fir.ref<none>) -> !fir.ptr<!fir.complex<4>>
29  ! CHECK: fir.has_value [[reg2]] : !fir.ptr<!fir.complex<4>>
30
31  ! CHECK: fir.global internal @_QFpointertestsEptr4 : !fir.ptr<!fir.char<1,?>>
32  character(:), pointer :: ptr4 => NULL()
33  ! CHECK: %[[c0:.*]] = arith.constant 0 : index
34  ! CHECK: [[reg1:%[0-9]+]] = fir.convert %[[c0:.*]] : (index) -> !fir.ref<none>
35  ! CHECK: [[reg2:%[0-9]+]] = fir.convert [[reg1]] : (!fir.ref<none>) -> !fir.ptr<!fir.char<1,?>>
36  ! CHECK: fir.has_value [[reg2]] : !fir.ptr<!fir.char<1,?>>
37
38  ! CHECK: fir.global internal @_QFpointertestsEptr5 : !fir.ptr<!fir.logical<4>>
39  logical, pointer :: ptr5 => NULL()
40  ! CHECK: %[[c0:.*]] = arith.constant 0 : index
41  ! CHECK: [[reg1:%[0-9]+]] = fir.convert %[[c0:.*]] : (index) -> !fir.ref<none>
42  ! CHECK: [[reg2:%[0-9]+]] = fir.convert [[reg1]] : (!fir.ref<none>) -> !fir.ptr<!fir.logical<4>>
43  ! CHECK: fir.has_value [[reg2]] : !fir.ptr<!fir.logical<4>>
44
45end subroutine pointerTests
46