38 lines
2.1 KiB
Fortran
38 lines
2.1 KiB
Fortran
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! Test lowering of derived types passed with VALUE attribute in BIND(C)
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! interface. They are passed as fir.type<T> value. The actual C struct
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! passing ABI is done in code generation according to the target.
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! RUN: bbc -emit-hlfir -o - -I nw %s 2>&1 | FileCheck %s
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module bindc_byval
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type, bind(c) :: t
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integer :: i
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end type
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contains
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subroutine test(x) bind(c)
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type(t), value :: x
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call use_it(x%i)
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end subroutine
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! CHECK-LABEL: func.func @test(
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! CHECK-SAME: %[[VAL_0:.*]]: !fir.type<_QMbindc_byvalTt{i:i32}> {fir.bindc_name = "x"}) attributes {fir.bindc_name = "test"} {
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! CHECK: %[[VAL_1:.*]] = fir.alloca !fir.type<_QMbindc_byvalTt{i:i32}>
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! CHECK: fir.store %[[VAL_0]] to %[[VAL_1]] : !fir.ref<!fir.type<_QMbindc_byvalTt{i:i32}>>
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! CHECK: %[[VAL_2:.*]]:2 = hlfir.declare %[[VAL_1]] {fortran_attrs = #fir.var_attrs<value>, uniq_name = "_QMbindc_byvalFtestEx"} : (!fir.ref<!fir.type<_QMbindc_byvalTt{i:i32}>>) -> (!fir.ref<!fir.type<_QMbindc_byvalTt{i:i32}>>, !fir.ref<!fir.type<_QMbindc_byvalTt{i:i32}>>)
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! CHECK: %[[VAL_3:.*]] = hlfir.designate %[[VAL_2]]#0{"i"} : (!fir.ref<!fir.type<_QMbindc_byvalTt{i:i32}>>) -> !fir.ref<i32>
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! CHECK: fir.call @_QPuse_it(%[[VAL_3]]) fastmath<contract> : (!fir.ref<i32>) -> ()
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! CHECK: return
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! CHECK: }
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subroutine call_it(x)
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type(t) x
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call test(x)
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end subroutine
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! CHECK-LABEL: func.func @_QMbindc_byvalPcall_it(
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! CHECK-SAME: %[[VAL_0:.*]]: !fir.ref<!fir.type<_QMbindc_byvalTt{i:i32}>> {fir.bindc_name = "x"}) {
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! CHECK: %[[VAL_1:.*]]:2 = hlfir.declare %[[VAL_0]] {uniq_name = "_QMbindc_byvalFcall_itEx"} : (!fir.ref<!fir.type<_QMbindc_byvalTt{i:i32}>>) -> (!fir.ref<!fir.type<_QMbindc_byvalTt{i:i32}>>, !fir.ref<!fir.type<_QMbindc_byvalTt{i:i32}>>)
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! CHECK: %[[VAL_2:.*]] = fir.load %[[VAL_1]]#1 : !fir.ref<!fir.type<_QMbindc_byvalTt{i:i32}>>
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! CHECK: fir.call @test(%[[VAL_2]]) fastmath<contract> : (!fir.type<_QMbindc_byvalTt{i:i32}>) -> ()
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! CHECK: return
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! CHECK: }
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end module
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