derek.holloway
7502bf64a4
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53 lines
4.2 KiB
Fortran
53 lines
4.2 KiB
Fortran
! RUN: %flang_fc1 -emit-hlfir %s -o - | FileCheck %s
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! Test lowering of allocatables using runtime for allocate/deallocate statements.
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! CHECK-LABEL: _QPpointer_runtime(
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subroutine pointer_runtime(n)
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integer :: n
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character(:), pointer :: scalar, array(:)
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! CHECK-DAG: %[[aBoxAddr0:.*]] = fir.alloca !fir.box<!fir.ptr<!fir.array<?x!fir.char<1,?>>>> {{{.*}}uniq_name = "_QFpointer_runtimeEarray"}
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! CHECK-DAG: %[[aNullAddr:.*]] = fir.zero_bits !fir.ptr<!fir.array<?x!fir.char<1,?>>>
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! CHECK-DAG: %[[aNullShape:.*]] = fir.shape %c0{{.*}} : (index) -> !fir.shape<1>
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! CHECK-DAG: %[[aInitBox:.*]] = fir.embox %[[aNullAddr]](%[[aNullShape]]) typeparams %c0{{.*}} : (!fir.ptr<!fir.array<?x!fir.char<1,?>>>, !fir.shape<1>, index) -> !fir.box<!fir.ptr<!fir.array<?x!fir.char<1,?>>>>
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! CHECK-DAG: fir.store %[[aInitBox]] to %[[aBoxAddr0]] : !fir.ref<!fir.box<!fir.ptr<!fir.array<?x!fir.char<1,?>>>>>
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! CHECK-DAG: %[[aBoxAddr:.*]]:2 = hlfir.declare %[[aBoxAddr0]] {fortran_attrs = #fir.var_attrs<pointer>, uniq_name = "_QFpointer_runtimeEarray"}
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! CHECK-DAG: %[[sBoxAddr0:.*]] = fir.alloca !fir.box<!fir.ptr<!fir.char<1,?>>> {{{.*}}uniq_name = "_QFpointer_runtimeEscalar"}
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! CHECK-DAG: %[[sNullAddr:.*]] = fir.zero_bits !fir.ptr<!fir.char<1,?>>
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! CHECK-DAG: %[[sInitBox:.*]] = fir.embox %[[sNullAddr]] typeparams %c0{{.*}} : (!fir.ptr<!fir.char<1,?>>, index) -> !fir.box<!fir.ptr<!fir.char<1,?>>>
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! CHECK-DAG: fir.store %[[sInitBox]] to %[[sBoxAddr0]] : !fir.ref<!fir.box<!fir.ptr<!fir.char<1,?>>>>
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! CHECK-DAG: %[[sBoxAddr:.*]]:2 = hlfir.declare %[[sBoxAddr0]] {fortran_attrs = #fir.var_attrs<pointer>, uniq_name = "_QFpointer_runtimeEscalar"}
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allocate(character(10):: scalar, array(30))
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! CHECK-DAG: %[[sBoxCast1:.*]] = fir.convert %[[sBoxAddr]]#0 : (!fir.ref<!fir.box<!fir.ptr<!fir.char<1,?>>>>) -> !fir.ref<!fir.box<none>>
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! CHECK-DAG: %[[ten1:.*]] = fir.convert %c10{{.*}} : (i32) -> i64
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! CHECK: fir.call @{{.*}}PointerNullifyCharacter(%[[sBoxCast1]], %[[ten1]], %c1{{.*}}, %c0{{.*}}, %c0{{.*}})
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! CHECK-NOT: PointerSetBounds
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! CHECK: %[[sBoxCast2:.*]] = fir.convert %[[sBoxAddr]]#0 : (!fir.ref<!fir.box<!fir.ptr<!fir.char<1,?>>>>) -> !fir.ref<!fir.box<none>>
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! CHECK: fir.call @{{.*}}PointerAllocate(%[[sBoxCast2]]
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! CHECK-DAG: %[[aBoxCast1:.*]] = fir.convert %[[aBoxAddr]]#0 : (!fir.ref<!fir.box<!fir.ptr<!fir.array<?x!fir.char<1,?>>>>>) -> !fir.ref<!fir.box<none>>
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! CHECK-DAG: %[[ten2:.*]] = fir.convert %c10{{.*}} : (i32) -> i64
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! CHECK: fir.call @{{.*}}PointerNullifyCharacter(%[[aBoxCast1]], %[[ten2]], %c1{{.*}}, %c1{{.*}}, %c0{{.*}})
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! CHECK: %[[aBoxCast2:.*]] = fir.convert %[[aBoxAddr]]#0 : (!fir.ref<!fir.box<!fir.ptr<!fir.array<?x!fir.char<1,?>>>>>) -> !fir.ref<!fir.box<none>>
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! CHECK: fir.call @{{.*}}PointerSetBounds(%[[aBoxCast2]]
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! CHECK: %[[aBoxCast3:.*]] = fir.convert %[[aBoxAddr]]#0 : (!fir.ref<!fir.box<!fir.ptr<!fir.array<?x!fir.char<1,?>>>>>) -> !fir.ref<!fir.box<none>>
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! CHECK: fir.call @{{.*}}PointerAllocate(%[[aBoxCast3]]
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deallocate(scalar, array)
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! CHECK: %[[sBoxCast3:.*]] = fir.convert %[[sBoxAddr]]#0 : (!fir.ref<!fir.box<!fir.ptr<!fir.char<1,?>>>>) -> !fir.ref<!fir.box<none>>
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! CHECK: fir.call @{{.*}}PointerDeallocate(%[[sBoxCast3]]
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! CHECK: %[[aBoxCast4:.*]] = fir.convert %[[aBoxAddr]]#0 : (!fir.ref<!fir.box<!fir.ptr<!fir.array<?x!fir.char<1,?>>>>>) -> !fir.ref<!fir.box<none>>
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! CHECK: fir.call @{{.*}}PointerDeallocate(%[[aBoxCast4]]
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! only testing that the correct length is set in the descriptor.
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allocate(character(n):: scalar, array(40))
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! CHECK: %[[n:.*]] = fir.load %{{.*}} : !fir.ref<i32>
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! CHECK-DAG: %[[ncast1:.*]] = fir.convert %[[n]] : (i32) -> i64
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! CHECK-DAG: %[[sBoxCast4:.*]] = fir.convert %[[sBoxAddr]]#0 : (!fir.ref<!fir.box<!fir.ptr<!fir.char<1,?>>>>) -> !fir.ref<!fir.box<none>>
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! CHECK: fir.call @{{.*}}PointerNullifyCharacter(%[[sBoxCast4]], %[[ncast1]], %c1{{.*}}, %c0{{.*}}, %c0{{.*}})
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! CHECK-DAG: %[[ncast2:.*]] = fir.convert %[[n]] : (i32) -> i64
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! CHECK-DAG: %[[aBoxCast5:.*]] = fir.convert %[[aBoxAddr]]#0 : (!fir.ref<!fir.box<!fir.ptr<!fir.array<?x!fir.char<1,?>>>>>) -> !fir.ref<!fir.box<none>>
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! CHECK: fir.call @{{.*}}PointerNullifyCharacter(%[[aBoxCast5]], %[[ncast2]], %c1{{.*}}, %c1{{.*}}, %c0{{.*}})
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end subroutine
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