| ! Test lowering of pointer disassociation |
| ! RUN: bbc -emit-fir -hlfir=false %s -o - | FileCheck %s |
| |
| |
| ! ----------------------------------------------------------------------------- |
| ! Test p => NULL() |
| ! ----------------------------------------------------------------------------- |
| |
| |
| ! CHECK-LABEL: func @_QPtest_scalar( |
| ! CHECK-SAME: %[[p:.*]]: !fir.ref<!fir.box<!fir.ptr<f32>>>{{.*}}) |
| subroutine test_scalar(p) |
| real, pointer :: p |
| ! CHECK: %[[null:.*]] = fir.zero_bits !fir.ptr<f32> |
| ! CHECK: %[[box:.*]] = fir.embox %[[null]] : (!fir.ptr<f32>) -> !fir.box<!fir.ptr<f32>> |
| ! CHECK: fir.store %[[box]] to %[[p]] : !fir.ref<!fir.box<!fir.ptr<f32>>> |
| p => NULL() |
| end subroutine |
| |
| ! CHECK-LABEL: func @_QPtest_scalar_char( |
| ! CHECK-SAME: %[[p:.*]]: !fir.ref<!fir.box<!fir.ptr<!fir.char<1,?>>>>{{.*}}) |
| subroutine test_scalar_char(p) |
| character(:), pointer :: p |
| ! CHECK: %[[null:.*]] = fir.zero_bits !fir.ptr<!fir.char<1,?>> |
| ! CHECK: %[[box:.*]] = fir.embox %[[null]] typeparams %c0{{.*}} : (!fir.ptr<!fir.char<1,?>>, index) -> !fir.box<!fir.ptr<!fir.char<1,?>>> |
| ! CHECK: fir.store %[[box]] to %[[p]] : !fir.ref<!fir.box<!fir.ptr<!fir.char<1,?>>>> |
| p => NULL() |
| end subroutine |
| |
| ! CHECK-LABEL: func @_QPtest_array( |
| ! CHECK-SAME: %[[p:.*]]: !fir.ref<!fir.box<!fir.ptr<!fir.array<?xf32>>>>{{.*}}) |
| subroutine test_array(p) |
| real, pointer :: p(:) |
| ! CHECK: %[[null:.*]] = fir.zero_bits !fir.ptr<!fir.array<?xf32>> |
| ! CHECK: %[[shape:.*]] = fir.shape %c0{{.*}} |
| ! CHECK: %[[box:.*]] = fir.embox %[[null]](%[[shape]]) : (!fir.ptr<!fir.array<?xf32>>, !fir.shape<1>) -> !fir.box<!fir.ptr<!fir.array<?xf32>>> |
| ! CHECK: fir.store %[[box]] to %[[p]] : !fir.ref<!fir.box<!fir.ptr<!fir.array<?xf32>>>> |
| p => NULL() |
| end subroutine |
| |
| ! Test p(lb, ub) => NULL() which is none sens but is not illegal. |
| ! CHECK-LABEL: func @_QPtest_array_remap( |
| ! CHECK-SAME: %[[p:.*]]: !fir.ref<!fir.box<!fir.ptr<!fir.array<?xf32>>>>{{.*}}) |
| subroutine test_array_remap(p) |
| real, pointer :: p(:) |
| ! CHECK: %[[null:.*]] = fir.zero_bits !fir.ptr<!fir.array<?xf32>> |
| ! CHECK: %[[shape:.*]] = fir.shape %c0{{.*}} |
| ! CHECK: %[[box:.*]] = fir.embox %[[null]](%[[shape]]) : (!fir.ptr<!fir.array<?xf32>>, !fir.shape<1>) -> !fir.box<!fir.ptr<!fir.array<?xf32>>> |
| ! CHECK: fir.store %[[box]] to %[[p]] : !fir.ref<!fir.box<!fir.ptr<!fir.array<?xf32>>>> |
| p(10:20) => NULL() |
| end subroutine |
| |
| ! ----------------------------------------------------------------------------- |
| ! Test p => NULL(MOLD) |
| ! ----------------------------------------------------------------------------- |
| |
| ! CHECK-LABEL: func @_QPtest_scalar_mold( |
| ! CHECK-SAME: %[[p:.*]]: !fir.ref<!fir.box<!fir.ptr<f32>>>{{[^,]*}}, |
| subroutine test_scalar_mold(p, x) |
| real, pointer :: p, x |
| ! CHECK: %[[VAL_0:.*]] = fir.alloca !fir.box<!fir.ptr<f32>> |
| ! CHECK: %[[VAL_1:.*]] = fir.zero_bits !fir.ptr<f32> |
| ! CHECK: %[[VAL_2:.*]] = fir.embox %[[VAL_1]] : (!fir.ptr<f32>) -> !fir.box<!fir.ptr<f32>> |
| ! CHECK: fir.store %[[VAL_2]] to %[[VAL_0]] : !fir.ref<!fir.box<!fir.ptr<f32>>> |
| ! CHECK: %[[VAL_3:.*]] = fir.load %[[VAL_0]] : !fir.ref<!fir.box<!fir.ptr<f32>>> |
| ! CHECK: %[[VAL_4:.*]] = fir.box_addr %[[VAL_3]] : (!fir.box<!fir.ptr<f32>>) -> !fir.ptr<f32> |
| ! CHECK: %[[VAL_5:.*]] = fir.embox %[[VAL_4]] : (!fir.ptr<f32>) -> !fir.box<!fir.ptr<f32>> |
| ! CHECK: fir.store %[[VAL_5]] to %[[p]] : !fir.ref<!fir.box<!fir.ptr<f32>>> |
| p => NULL(x) |
| end subroutine |
| |
| ! CHECK-LABEL: func @_QPtest_scalar_char_mold( |
| ! CHECK-SAME: %[[p:.*]]: !fir.ref<!fir.box<!fir.ptr<!fir.char<1,?>>>>{{[^,]*}}, |
| subroutine test_scalar_char_mold(p, x) |
| character(:), pointer :: p, x |
| ! CHECK: %[[VAL_7:.*]] = fir.alloca !fir.box<!fir.ptr<!fir.char<1,?>>> |
| ! CHECK: %[[VAL_8:.*]] = fir.zero_bits !fir.ptr<!fir.char<1,?>> |
| ! CHECK: %[[VAL_9:.*]] = arith.constant 0 : index |
| ! CHECK: %[[VAL_10:.*]] = fir.embox %[[VAL_8]] typeparams %[[VAL_9]] : (!fir.ptr<!fir.char<1,?>>, index) -> !fir.box<!fir.ptr<!fir.char<1,?>>> |
| ! CHECK: fir.store %[[VAL_10]] to %[[VAL_7]] : !fir.ref<!fir.box<!fir.ptr<!fir.char<1,?>>>> |
| ! CHECK: %[[VAL_11:.*]] = fir.load %[[VAL_7]] : !fir.ref<!fir.box<!fir.ptr<!fir.char<1,?>>>> |
| ! CHECK: %[[VAL_12:.*]] = fir.box_elesize %[[VAL_11]] : (!fir.box<!fir.ptr<!fir.char<1,?>>>) -> index |
| ! CHECK: %[[VAL_13:.*]] = fir.box_addr %[[VAL_11]] : (!fir.box<!fir.ptr<!fir.char<1,?>>>) -> !fir.ptr<!fir.char<1,?>> |
| ! CHECK: %[[VAL_14:.*]] = fir.embox %[[VAL_13]] typeparams %[[VAL_12]] : (!fir.ptr<!fir.char<1,?>>, index) -> !fir.box<!fir.ptr<!fir.char<1,?>>> |
| ! CHECK: fir.store %[[VAL_14]] to %[[p]] : !fir.ref<!fir.box<!fir.ptr<!fir.char<1,?>>>> |
| p => NULL(x) |
| end subroutine |
| |
| ! CHECK-LABEL: func @_QPtest_array_mold( |
| ! CHECK-SAME: %[[p:.*]]: !fir.ref<!fir.box<!fir.ptr<!fir.array<?xf32>>>>{{[^,]*}}, |
| subroutine test_array_mold(p, x) |
| real, pointer :: p(:), x(:) |
| ! CHECK: %[[VAL_0:.*]] = fir.alloca !fir.box<!fir.ptr<!fir.array<?xf32>>> |
| ! CHECK: %[[VAL_1:.*]] = fir.zero_bits !fir.ptr<!fir.array<?xf32>> |
| ! CHECK: %[[VAL_2:.*]] = arith.constant 0 : index |
| ! CHECK: %[[VAL_3:.*]] = fir.shape %[[VAL_2]] : (index) -> !fir.shape<1> |
| ! CHECK: %[[VAL_4:.*]] = fir.embox %[[VAL_1]](%[[VAL_3]]) : (!fir.ptr<!fir.array<?xf32>>, !fir.shape<1>) -> !fir.box<!fir.ptr<!fir.array<?xf32>>> |
| ! CHECK: fir.store %[[VAL_4]] to %[[VAL_0]] : !fir.ref<!fir.box<!fir.ptr<!fir.array<?xf32>>>> |
| ! CHECK: %[[VAL_5:.*]] = fir.load %[[VAL_0]] : !fir.ref<!fir.box<!fir.ptr<!fir.array<?xf32>>>> |
| ! CHECK: %[[VAL_6:.*]] = arith.constant 0 : index |
| ! CHECK: %[[VAL_7:.*]]:3 = fir.box_dims %[[VAL_5]], %[[VAL_6]] : (!fir.box<!fir.ptr<!fir.array<?xf32>>>, index) -> (index, index, index) |
| ! CHECK: %[[VAL_8:.*]] = fir.shift %[[VAL_7]]#0 : (index) -> !fir.shift<1> |
| ! 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>>> |
| ! CHECK: fir.store %[[VAL_9]] to %[[p]] : !fir.ref<!fir.box<!fir.ptr<!fir.array<?xf32>>>> |
| p => NULL(x) |
| end subroutine |
| |
| subroutine test_polymorphic_null(p) |
| type t |
| end type |
| class(t), pointer :: p(:) |
| p => null() |
| end subroutine |
| ! CHECK-LABEL: func.func @_QPtest_polymorphic_null( |
| ! CHECK-SAME: %[[VAL_0:.*]]: !fir.ref<!fir.class<!fir.ptr<!fir.array<?x!fir.type<_QFtest_polymorphic_nullTt>>>>> |
| ! CHECK: %[[VAL_1:.*]] = fir.type_desc !fir.type<_QFtest_polymorphic_nullTt> |
| ! CHECK: %[[VAL_2:.*]] = fir.convert %[[VAL_0]] : (!fir.ref<!fir.class<!fir.ptr<!fir.array<?x!fir.type<_QFtest_polymorphic_nullTt>>>>>) -> !fir.ref<!fir.box<none>> |
| ! CHECK: %[[VAL_3:.*]] = fir.convert %[[VAL_1]] : (!fir.tdesc<!fir.type<_QFtest_polymorphic_nullTt>>) -> !fir.ref<none> |
| ! CHECK: %[[VAL_4:.*]] = arith.constant 1 : i32 |
| ! CHECK: %[[VAL_5:.*]] = arith.constant 0 : i32 |
| ! CHECK: %[[VAL_6:.*]] = fir.call @_FortranAPointerNullifyDerived(%[[VAL_2]], %[[VAL_3]], %[[VAL_4]], %[[VAL_5]]) {{.*}}: (!fir.ref<!fir.box<none>>, !fir.ref<none>, i32, i32) -> none |
| |
| subroutine test_unlimited_polymorphic_null(p) |
| class(*), pointer :: p(:) |
| p => null() |
| end subroutine |
| ! CHECK-LABEL: func.func @_QPtest_unlimited_polymorphic_null( |
| ! CHECK-SAME: %[[VAL_0:.*]]: !fir.ref<!fir.class<!fir.ptr<!fir.array<?xnone>>>> |
| ! CHECK: %[[VAL_1:.*]] = fir.zero_bits !fir.ptr<!fir.array<?xnone>> |
| ! CHECK: %[[VAL_2:.*]] = arith.constant 0 : index |
| ! CHECK: %[[VAL_3:.*]] = fir.shape %[[VAL_2]] : (index) -> !fir.shape<1> |
| ! CHECK: %[[VAL_4:.*]] = fir.embox %[[VAL_1]](%[[VAL_3]]) : (!fir.ptr<!fir.array<?xnone>>, !fir.shape<1>) -> !fir.class<!fir.ptr<!fir.array<?xnone>>> |
| ! CHECK: fir.store %[[VAL_4]] to %[[VAL_0]] : !fir.ref<!fir.class<!fir.ptr<!fir.array<?xnone>>>> |