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! RUN: bbc -emit-hlfir %s -o - | FileCheck %s
! Check that the lowering does not generate fir.box_addr for
! the optional box. It will cause segfault during execution.
! CHECK-LABEL: func.func @_QPtest(
! CHECK-SAME: %[[VAL_0:.*]]: !fir.box<!fir.array<?xi32>> {fir.bindc_name = "ext_buf", fir.contiguous, fir.optional}) {
! CHECK: %[[VAL_1:.*]]:2 = hlfir.declare %[[VAL_0]] {fortran_attrs = #fir.var_attrs<contiguous, optional>, uniq_name = "_QFtestEext_buf"} : (!fir.box<!fir.array<?xi32>>) -> (!fir.box<!fir.array<?xi32>>, !fir.box<!fir.array<?xi32>>)
! CHECK: %[[VAL_2:.*]] = fir.is_present %[[VAL_1]]#1 : (!fir.box<!fir.array<?xi32>>) -> i1
! CHECK: cf.cond_br %[[VAL_2]], ^bb1, ^bb2
! CHECK: ^bb1:
! CHECK: %[[VAL_3:.*]] = arith.constant 0 : i32
! CHECK: %[[VAL_4:.*]] = arith.constant false
! CHECK: %[[VAL_5:.*]] = arith.constant false
! CHECK: %[[VAL_6:.*]] = fir.call @_FortranAStopStatement(%[[VAL_3]], %[[VAL_4]], %[[VAL_5]]) fastmath<contract> : (i32, i1, i1) -> none
! CHECK: fir.unreachable
! CHECK: ^bb2:
! CHECK: cf.br ^bb3
! CHECK: ^bb3:
! CHECK: return
! CHECK: }
subroutine test(ext_buf)
integer, contiguous, optional :: ext_buf(:)
if (present(ext_buf)) then
stop
endif
return
end subroutine test
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