xref: /llvm-project/flang/test/Lower/pointer-args-callee.f90 (revision 4d95f74b13c6149a8ee2dfa0412d992c613c0c89)
1*4d95f74bSJonathon Penix! Test calls with POINTER dummy arguments on the callee side.
2*4d95f74bSJonathon Penix! RUN: bbc -emit-fir %s -o - | FileCheck %s
3*4d95f74bSJonathon Penix
4*4d95f74bSJonathon Penix! CHECK-LABEL: func @_QPchar_assumed(
5*4d95f74bSJonathon Penix! CHECK-SAME: %[[arg0:.*]]: !fir.ref<!fir.box<!fir.ptr<!fir.char<1,?>>>>{{.*}}
6*4d95f74bSJonathon Penixsubroutine char_assumed(a)
7*4d95f74bSJonathon Penix  integer :: n
8*4d95f74bSJonathon Penix  character(len=*), pointer :: a
9*4d95f74bSJonathon Penix  ! CHECK: %[[argLoad:.*]] = fir.load %[[arg0]] : !fir.ref<!fir.box<!fir.ptr<!fir.char<1,?>>>>
10*4d95f74bSJonathon Penix  ! CHECK: %[[argLen:.*]] = fir.box_elesize %[[argLoad]] : (!fir.box<!fir.ptr<!fir.char<1,?>>>) -> index
11*4d95f74bSJonathon Penix
12*4d95f74bSJonathon Penix  n = len(a)
13*4d95f74bSJonathon Penix  ! CHECK: %[[argLenCast:.*]] = fir.convert %[[argLen]] : (index) -> i32
14*4d95f74bSJonathon Penix  ! CHECK: fir.store %[[argLenCast]] to %{{.*}} : !fir.ref<i32>
15*4d95f74bSJonathon Penixend subroutine
16*4d95f74bSJonathon Penix
17*4d95f74bSJonathon Penix! CHECK-LABEL: func @_QPchar_assumed_optional(
18*4d95f74bSJonathon Penix! CHECK-SAME: %[[arg0:.*]]: !fir.ref<!fir.box<!fir.ptr<!fir.char<1,?>>>>{{.*}}
19*4d95f74bSJonathon Penixsubroutine char_assumed_optional(a)
20*4d95f74bSJonathon Penix  integer :: n
21*4d95f74bSJonathon Penix  character(len=*), pointer, optional :: a
22*4d95f74bSJonathon Penix  ! CHECK: %[[argPresent:.*]] = fir.is_present %[[arg0]] : (!fir.ref<!fir.box<!fir.ptr<!fir.char<1,?>>>>) -> i1
23*4d95f74bSJonathon Penix  ! CHECK: %[[argLen:.*]] = fir.if %[[argPresent]] -> (index) {
24*4d95f74bSJonathon Penix  ! CHECK:   %[[argLoad:.*]] = fir.load %[[arg0]] : !fir.ref<!fir.box<!fir.ptr<!fir.char<1,?>>>>
25*4d95f74bSJonathon Penix  ! CHECK:   %[[argLoadLen:.*]] = fir.box_elesize %[[argLoad]] : (!fir.box<!fir.ptr<!fir.char<1,?>>>) -> index
26*4d95f74bSJonathon Penix  ! CHECK:   fir.result %[[argLoadLen]] : index
27*4d95f74bSJonathon Penix  ! CHECK: } else {
28*4d95f74bSJonathon Penix  ! CHECK:   %[[undef:.*]] = fir.undefined index
29*4d95f74bSJonathon Penix  ! CHECK:   fir.result %[[undef]] : index
30*4d95f74bSJonathon Penix  ! CHECK: }
31*4d95f74bSJonathon Penix
32*4d95f74bSJonathon Penix  if (present(a)) then
33*4d95f74bSJonathon Penix    n = len(a)
34*4d95f74bSJonathon Penix    ! CHECK:   %[[argLenCast:.*]] = fir.convert %[[argLen]] : (index) -> i32
35*4d95f74bSJonathon Penix    ! CHECK:   fir.store %[[argLenCast]] to %{{.*}} : !fir.ref<i32>
36*4d95f74bSJonathon Penix  endif
37*4d95f74bSJonathon Penixend subroutine
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