llvm-project/flang/test/Lower/ext-proc-as-actual-argument...

32 lines
1.3 KiB
Fortran

! RUN: bbc -emit-fir %s -o - | FileCheck %s
! Test external procedure as actual argument with the implicit character type.
! CHECK-LABEL: func @_QQmain
! CHECK: %[[VAL_0:.*]] = fir.address_of(@_QPext_func) : (!fir.ref<!fir.char<1,?>>, index) -> !fir.boxchar<1>
! CHECK: %[[VAL_1:.*]] = fir.emboxproc %[[VAL_0]] : ((!fir.ref<!fir.char<1,?>>, index) -> !fir.boxchar<1>) -> !fir.boxproc<() -> ()>
! CHECK: %[[VAL_2:.*]] = fir.undefined i64
! CHECK: %[[VAL_3:.*]] = fir.undefined tuple<!fir.boxproc<() -> ()>, i64>
! CHECK: %[[VAL_4:.*]] = fir.insert_value %[[VAL_3]], %[[VAL_1]], [0 : index] : (tuple<!fir.boxproc<() -> ()>, i64>, !fir.boxproc<() -> ()>) -> tuple<!fir.boxproc<() -> ()>, i64>
! CHECK: %[[VAL_5:.*]] = fir.insert_value %[[VAL_4]], %[[VAL_2]], [1 : index] : (tuple<!fir.boxproc<() -> ()>, i64>, i64) -> tuple<!fir.boxproc<() -> ()>, i64>
! CHECK: fir.call @_QFPsub(%[[VAL_5]]) : (tuple<!fir.boxproc<() -> ()>, i64>) -> ()
! CHECK: return
! CHECK-LABEL: func @_QPext_func(
! CEHCK: %[[ARG_0:.*]]: !fir.ref<!fir.char<1,?>>, %[[ARG_1:.*]]: index) -> !fir.boxchar<1> {
program m
external :: ext_func
call sub(ext_func)
contains
subroutine sub(arg)
character(20), external :: arg
print *, arg()
end
end
function ext_func() result(res)
character(*) res
res = "hello world"
end