derek.holloway
7502bf64a4
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136 lines
7.1 KiB
Fortran
136 lines
7.1 KiB
Fortran
! Test lowering of pointer disassociation
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! RUN: %flang_fc1 -emit-hlfir %s -o - | FileCheck %s
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! -----------------------------------------------------------------------------
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! Test p => NULL()
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! -----------------------------------------------------------------------------
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! CHECK-LABEL: func @_QPtest_scalar(
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! CHECK-SAME: %[[arg0:[^:]*]]: !fir.ref<!fir.box<!fir.ptr<f32>>>{{.*}})
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subroutine test_scalar(p)
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real, pointer :: p
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! CHECK: %[[p:.*]]:2 = hlfir.declare %[[arg0]]
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! CHECK: %[[null:.*]] = fir.zero_bits !fir.ptr<f32>
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! CHECK: %[[box:.*]] = fir.embox %[[null]] : (!fir.ptr<f32>) -> !fir.box<!fir.ptr<f32>>
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! CHECK: fir.store %[[box]] to %[[p]]#0 : !fir.ref<!fir.box<!fir.ptr<f32>>>
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p => NULL()
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end subroutine
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! CHECK-LABEL: func @_QPtest_scalar_char(
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! CHECK-SAME: %[[arg0:[^:]*]]: !fir.ref<!fir.box<!fir.ptr<!fir.char<1,?>>>>{{.*}})
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subroutine test_scalar_char(p)
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character(:), pointer :: p
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! CHECK: %[[p:.*]]:2 = hlfir.declare %[[arg0]]
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! CHECK: %[[null:.*]] = fir.zero_bits !fir.ptr<!fir.char<1,?>>
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! CHECK: %[[box:.*]] = fir.embox %[[null]] typeparams %c0{{.*}} : (!fir.ptr<!fir.char<1,?>>, index) -> !fir.box<!fir.ptr<!fir.char<1,?>>>
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! CHECK: fir.store %[[box]] to %[[p]]#0 : !fir.ref<!fir.box<!fir.ptr<!fir.char<1,?>>>>
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p => NULL()
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end subroutine
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! CHECK-LABEL: func @_QPtest_array(
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! CHECK-SAME: %[[arg0:[^:]*]]: !fir.ref<!fir.box<!fir.ptr<!fir.array<?xf32>>>>{{.*}})
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subroutine test_array(p)
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real, pointer :: p(:)
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! CHECK: %[[p:.*]]:2 = hlfir.declare %[[arg0]]
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! CHECK: %[[null:.*]] = fir.zero_bits !fir.ptr<!fir.array<?xf32>>
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! CHECK: %[[shape:.*]] = fir.shape %c0{{.*}}
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! CHECK: %[[box:.*]] = fir.embox %[[null]](%[[shape]]) : (!fir.ptr<!fir.array<?xf32>>, !fir.shape<1>) -> !fir.box<!fir.ptr<!fir.array<?xf32>>>
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! CHECK: fir.store %[[box]] to %[[p]]#0 : !fir.ref<!fir.box<!fir.ptr<!fir.array<?xf32>>>>
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p => NULL()
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end subroutine
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! Test p(lb, ub) => NULL() which is none sens but is not illegal.
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! CHECK-LABEL: func @_QPtest_array_remap(
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! CHECK-SAME: %[[arg0:[^:]*]]: !fir.ref<!fir.box<!fir.ptr<!fir.array<?xf32>>>>{{.*}})
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subroutine test_array_remap(p)
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real, pointer :: p(:)
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! CHECK: %[[p:.*]]:2 = hlfir.declare %[[arg0]]
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! CHECK: %[[null:.*]] = fir.zero_bits !fir.ptr<!fir.array<?xf32>>
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! CHECK: %[[shape:.*]] = fir.shape %c0{{.*}}
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! CHECK: %[[box:.*]] = fir.embox %[[null]](%[[shape]]) : (!fir.ptr<!fir.array<?xf32>>, !fir.shape<1>) -> !fir.box<!fir.ptr<!fir.array<?xf32>>>
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! CHECK: fir.store %[[box]] to %[[p]]#0 : !fir.ref<!fir.box<!fir.ptr<!fir.array<?xf32>>>>
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p(10:20) => NULL()
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end subroutine
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! -----------------------------------------------------------------------------
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! Test p => NULL(MOLD)
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! -----------------------------------------------------------------------------
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! CHECK-LABEL: func @_QPtest_scalar_mold(
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! CHECK-SAME: %[[arg0:[^:]*]]: !fir.ref<!fir.box<!fir.ptr<f32>>>{{[^,]*}},
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subroutine test_scalar_mold(p, x)
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real, pointer :: p, x
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! CHECK: %[[VAL_0:.*]] = fir.alloca !fir.box<!fir.ptr<f32>>
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! CHECK: %[[p:.*]]:2 = hlfir.declare %[[arg0]]
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! CHECK: %[[VAL_1:.*]] = fir.zero_bits !fir.ptr<f32>
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! CHECK: %[[VAL_2:.*]] = fir.embox %[[VAL_1]] : (!fir.ptr<f32>) -> !fir.box<!fir.ptr<f32>>
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! CHECK: fir.store %[[VAL_2]] to %[[VAL_0]] : !fir.ref<!fir.box<!fir.ptr<f32>>>
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! CHECK: %[[TMP:.*]]:2 = hlfir.declare %[[VAL_0]] {uniq_name = ".tmp.intrinsic_result"}
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! CHECK: %[[VAL_5:.*]] = fir.load %[[TMP]]#0 : !fir.ref<!fir.box<!fir.ptr<f32>>>
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! CHECK: fir.store %[[VAL_5]] to %[[p]]#0 : !fir.ref<!fir.box<!fir.ptr<f32>>>
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p => NULL(x)
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end subroutine
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! CHECK-LABEL: func @_QPtest_scalar_char_mold(
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! CHECK-SAME: %[[arg0:[^:]*]]: !fir.ref<!fir.box<!fir.ptr<!fir.char<1,?>>>>{{[^,]*}},
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subroutine test_scalar_char_mold(p, x)
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character(:), pointer :: p, x
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! CHECK: %[[VAL_7:.*]] = fir.alloca !fir.box<!fir.ptr<!fir.char<1,?>>>
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! CHECK: %[[p:.*]]:2 = hlfir.declare %[[arg0]]
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! CHECK: %[[VAL_8:.*]] = fir.zero_bits !fir.ptr<!fir.char<1,?>>
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! CHECK: %[[VAL_9:.*]] = arith.constant 0 : index
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! CHECK: %[[VAL_10:.*]] = fir.embox %[[VAL_8]] typeparams %[[VAL_9]] : (!fir.ptr<!fir.char<1,?>>, index) -> !fir.box<!fir.ptr<!fir.char<1,?>>>
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! CHECK: fir.store %[[VAL_10]] to %[[VAL_7]] : !fir.ref<!fir.box<!fir.ptr<!fir.char<1,?>>>>
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! CHECK: %[[TMP_C:.*]]:2 = hlfir.declare %[[VAL_7]] {uniq_name = ".tmp.intrinsic_result"}
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! CHECK: %[[VAL_14:.*]] = fir.load %[[TMP_C]]#0 : !fir.ref<!fir.box<!fir.ptr<!fir.char<1,?>>>>
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! CHECK: fir.store %[[VAL_14]] to %[[p]]#0 : !fir.ref<!fir.box<!fir.ptr<!fir.char<1,?>>>>
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p => NULL(x)
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end subroutine
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! CHECK-LABEL: func @_QPtest_array_mold(
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! CHECK-SAME: %[[arg0:[^:]*]]: !fir.ref<!fir.box<!fir.ptr<!fir.array<?xf32>>>>{{[^,]*}},
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subroutine test_array_mold(p, x)
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real, pointer :: p(:), x(:)
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! CHECK: %[[VAL_0:.*]] = fir.alloca !fir.box<!fir.ptr<!fir.array<?xf32>>>
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! CHECK: %[[p:.*]]:2 = hlfir.declare %[[arg0]]
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! CHECK: %[[VAL_1:.*]] = fir.zero_bits !fir.ptr<!fir.array<?xf32>>
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! CHECK: %[[VAL_2:.*]] = arith.constant 0 : index
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! CHECK: %[[VAL_3:.*]] = fir.shape %[[VAL_2]] : (index) -> !fir.shape<1>
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! CHECK: %[[VAL_4:.*]] = fir.embox %[[VAL_1]](%[[VAL_3]]) : (!fir.ptr<!fir.array<?xf32>>, !fir.shape<1>) -> !fir.box<!fir.ptr<!fir.array<?xf32>>>
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! CHECK: fir.store %[[VAL_4]] to %[[VAL_0]] : !fir.ref<!fir.box<!fir.ptr<!fir.array<?xf32>>>>
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! CHECK: %[[TMP_A:.*]]:2 = hlfir.declare %[[VAL_0]] {uniq_name = ".tmp.intrinsic_result"}
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! CHECK: %[[VAL_5:.*]] = fir.load %[[TMP_A]]#0 : !fir.ref<!fir.box<!fir.ptr<!fir.array<?xf32>>>>
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! CHECK: fir.store %[[VAL_5]] to %[[p]]#0 : !fir.ref<!fir.box<!fir.ptr<!fir.array<?xf32>>>>
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p => NULL(x)
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end subroutine
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subroutine test_polymorphic_null(p)
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type t
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end type
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class(t), pointer :: p(:)
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p => null()
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end subroutine
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! CHECK-LABEL: func.func @_QPtest_polymorphic_null(
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! CHECK-SAME: %[[arg0:[^:]*]]: !fir.ref<!fir.class<!fir.ptr<!fir.array<?x!fir.type<_QFtest_polymorphic_nullTt>>>>>
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! CHECK: %[[p:.*]]:2 = hlfir.declare %[[arg0]]
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! CHECK: %[[VAL_1:.*]] = fir.zero_bits !fir.ptr<!fir.array<?x!fir.type<_QFtest_polymorphic_nullTt>>>
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! CHECK: %[[VAL_2:.*]] = arith.constant 0 : index
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! CHECK: %[[VAL_3:.*]] = fir.shape %[[VAL_2]] : (index) -> !fir.shape<1>
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! CHECK: %[[VAL_4:.*]] = fir.embox %[[VAL_1]](%[[VAL_3]]) : (!fir.ptr<!fir.array<?x!fir.type<_QFtest_polymorphic_nullTt>>>, !fir.shape<1>) -> !fir.class<!fir.ptr<!fir.array<?x!fir.type<_QFtest_polymorphic_nullTt>>>>
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! CHECK: fir.store %[[VAL_4]] to %[[p]]#0 : !fir.ref<!fir.class<!fir.ptr<!fir.array<?x!fir.type<_QFtest_polymorphic_nullTt>>>>>
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subroutine test_unlimited_polymorphic_null(p)
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class(*), pointer :: p(:)
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p => null()
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end subroutine
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! CHECK-LABEL: func.func @_QPtest_unlimited_polymorphic_null(
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! CHECK-SAME: %[[arg0:[^:]*]]: !fir.ref<!fir.class<!fir.ptr<!fir.array<?xnone>>>>
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! CHECK: %[[p:.*]]:2 = hlfir.declare %[[arg0]]
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! CHECK: %[[VAL_1:.*]] = fir.zero_bits !fir.ptr<!fir.array<?xnone>>
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! CHECK: %[[VAL_2:.*]] = arith.constant 0 : index
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! CHECK: %[[VAL_3:.*]] = fir.shape %[[VAL_2]] : (index) -> !fir.shape<1>
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! CHECK: %[[VAL_4:.*]] = fir.embox %[[VAL_1]](%[[VAL_3]]) : (!fir.ptr<!fir.array<?xnone>>, !fir.shape<1>) -> !fir.class<!fir.ptr<!fir.array<?xnone>>>
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! CHECK: fir.store %[[VAL_4]] to %[[p]]#0 : !fir.ref<!fir.class<!fir.ptr<!fir.array<?xnone>>>>
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