derek.holloway
7502bf64a4
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57 lines
2.4 KiB
Fortran
57 lines
2.4 KiB
Fortran
! Test lowering of nullify-statement
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! RUN: %flang_fc1 -emit-hlfir %s -o - | FileCheck %s
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! -----------------------------------------------------------------------------
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! Test NULLIFY(p)
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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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nullify(p)
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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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nullify(p)
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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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nullify(p)
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end subroutine
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! CHECK-LABEL: func @_QPtest_list(
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! CHECK-SAME: %[[arg0:.*]]: !fir.ref<!fir.box<!fir.ptr<f32>>>{{.*}}, %[[arg1:.*]]: !fir.ref<!fir.box<!fir.ptr<!fir.array<?xf32>>>>{{.*}})
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subroutine test_list(p1, p2)
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real, pointer :: p1, p2(:)
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! CHECK: %[[p1:.*]]:2 = hlfir.declare %[[arg0]]
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! CHECK: %[[p2:.*]]:2 = hlfir.declare %[[arg1]]
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! CHECK: fir.zero_bits !fir.ptr<f32>
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! CHECK: fir.store %{{.*}} to %[[p1]]#0 : !fir.ref<!fir.box<!fir.ptr<f32>>>
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! CHECK: fir.zero_bits !fir.ptr<!fir.array<?xf32>>
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! CHECK: fir.store %{{.*}} to %[[p2]]#0 : !fir.ref<!fir.box<!fir.ptr<!fir.array<?xf32>>>>
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nullify(p1, p2)
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end subroutine
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