flang/test/Lower/c-interoperability.f90

   1 ! RUN: bbc %s -o - | FileCheck %s
   2
   3 ! CHECK-LABEL: fir.global @_QMc_interoperability_testEthis_thing : !fir.type<_QMc_interoperability_testTthing_with_pointer{cptr:!fir.type<_QM__fortran_builtinsT__builtin_c_ptr{__address:i64}>}> {
   4 ! CHECK:         %[[VAL_0:.*]] = arith.constant 0 : i64
   5 ! CHECK:         %[[VAL_1:.*]] = fir.undefined !fir.type<_QMc_interoperability_testTthing_with_pointer{cptr:!fir.type<_QM__fortran_builtinsT__builtin_c_ptr{__address:i64}>}>
   6 ! CHECK:         %[[VAL_2:.*]] = fir.undefined !fir.type<_QM__fortran_builtinsT__builtin_c_ptr{__address:i64}>
   7 ! CHECK:         %[[VAL_3:.*]] = fir.insert_value %[[VAL_2]], %[[VAL_0]], ["__address", !fir.type<_QM__fortran_builtinsT__builtin_c_ptr{__address:i64}>] : (!fir.type<_QM__fortran_builtinsT__builtin_c_ptr{__address:i64}>, i64) -> !fir.type<_QM__fortran_builtinsT__builtin_c_ptr{__address:i64}>
   8 ! CHECK:         %[[VAL_4:.*]] = fir.insert_value %[[VAL_1]], %[[VAL_3]], ["cptr", !fir.type<_QMc_interoperability_testTthing_with_pointer{cptr:!fir.type<_QM__fortran_builtinsT__builtin_c_ptr{__address:i64}>}>] : (!fir.type<_QMc_interoperability_testTthing_with_pointer{cptr:!fir.type<_QM__fortran_builtinsT__builtin_c_ptr{__address:i64}>}>, !fir.type<_QM__fortran_builtinsT__builtin_c_ptr{__address:i64}>) -> !fir.type<_QMc_interoperability_testTthing_with_pointer{cptr:!fir.type<_QM__fortran_builtinsT__builtin_c_ptr{__address:i64}>}>
   9 ! CHECK:         fir.has_value %[[VAL_4]] : !fir.type<_QMc_interoperability_testTthing_with_pointer{cptr:!fir.type<_QM__fortran_builtinsT__builtin_c_ptr{__address:i64}>}>
  10 ! CHECK:       }
  11
  12 ! CHECK-LABEL: func @_QMc_interoperability_testPget_a_thing() -> !fir.type<_QMc_interoperability_testTthing_with_pointer{cptr:!fir.type<_QM__fortran_builtinsT__builtin_c_ptr{__address:i64}>}> {
  13 ! CHECK:         %[[VAL_2:.*]] = fir.alloca !fir.box<!fir.type<_QMc_interoperability_testTthing_with_pointer{cptr:!fir.type<_QM__fortran_builtinsT__builtin_c_ptr{__address:i64}>}>>
  14 ! CHECK:         %[[VAL_3:.*]] = fir.address_of(@_QMc_interoperability_testEthis_thing) : !fir.ref<!fir.type<_QMc_interoperability_testTthing_with_pointer{cptr:!fir.type<_QM__fortran_builtinsT__builtin_c_ptr{__address:i64}>}>>
  15 ! CHECK:         %[[VAL_4:.*]] = fir.alloca !fir.type<_QMc_interoperability_testTthing_with_pointer{cptr:!fir.type<_QM__fortran_builtinsT__builtin_c_ptr{__address:i64}>}> {bindc_name = "get_a_thing", uniq_name = "_QMc_interoperability_testFget_a_thingEget_a_thing"}
  16 ! CHECK:         %[[VAL_5:.*]] = fir.embox %[[VAL_4]] : (!fir.ref<!fir.type<_QMc_interoperability_testTthing_with_pointer{cptr:!fir.type<_QM__fortran_builtinsT__builtin_c_ptr{__address:i64}>}>>) -> !fir.box<!fir.type<_QMc_interoperability_testTthing_with_pointer{cptr:!fir.type<_QM__fortran_builtinsT__builtin_c_ptr{__address:i64}>}>>
  17 ! CHECK:         %[[VAL_10:.*]] = fir.embox %[[VAL_3]] : (!fir.ref<!fir.type<_QMc_interoperability_testTthing_with_pointer{cptr:!fir.type<_QM__fortran_builtinsT__builtin_c_ptr{__address:i64}>}>>) -> !fir.box<!fir.type<_QMc_interoperability_testTthing_with_pointer{cptr:!fir.type<_QM__fortran_builtinsT__builtin_c_ptr{__address:i64}>}>>
  18 ! CHECK:         return %{{.*}} : !fir.type<_QMc_interoperability_testTthing_with_pointer{cptr:!fir.type<_QM__fortran_builtinsT__builtin_c_ptr{__address:i64}>}>
  19 ! CHECK:       }
  20
  21 module c_interoperability_test
  22   use iso_c_binding, only: c_ptr, c_null_ptr
  23
  24   type thing_with_pointer
  25      type(c_ptr) :: cptr = c_null_ptr
  26   end type thing_with_pointer
  27
  28   type(thing_with_pointer) :: this_thing
  29
  30 contains
  31   function get_a_thing()
  32     type(thing_with_pointer) :: get_a_thing
  33     get_a_thing = this_thing
  34   end function get_a_thing
  35 end module c_interoperability_test