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
45  end subroutine pointerTests
46