xref: /llvm-project/flang/test/Lower/Intrinsics/getcwd.f90 (revision 68413219dba47104fef388364a9973b584126f42)
1! RUN: bbc -emit-fir %s -o - | FileCheck %s
2
3! CHECK-LABEL: func.func @_QPcwd_only(
4! CHECK-SAME: %[[cwdArg:.*]]: !fir.boxchar<1> {fir.bindc_name = "cwd"}) {
5subroutine cwd_only(cwd)
6  CHARACTER(len=255) :: cwd
7  call getcwd(cwd)
8  ! CHECK-NEXT:        %[[c7:.*]] = arith.constant 7 : i32
9  ! CHECK-NEXT:        %[[c255:.*]] = arith.constant 255 : index
10  ! CHECK-NEXT:        %[[DSCOPE:.*]] = fir.dummy_scope : !fir.dscope
11  ! CHECK-NEXT:        %[[cwdUnbox:.*]]:2 = fir.unboxchar %[[cwdArg]] : (!fir.boxchar<1>) -> (!fir.ref<!fir.char<1,?>>, index)
12  ! CHECK-NEXT:        %[[cwdCast:.*]] = fir.convert %[[cwdUnbox]]#0 : (!fir.ref<!fir.char<1,?>>) -> !fir.ref<!fir.char<1,255>>
13  ! CHECK-NEXT:        %[[cwdDeclare:.*]] = fir.declare %[[cwdCast]] typeparams %[[c255]] dummy_scope %[[DSCOPE]] {uniq_name = "_QFcwd_onlyEcwd"} : (!fir.ref<!fir.char<1,255>>, index, !fir.dscope) -> !fir.ref<!fir.char<1,255>>
14  ! CHECK-NEXT:        %[[cwdBox:.*]] = fir.embox %[[cwdDeclare]] : (!fir.ref<!fir.char<1,255>>) -> !fir.box<!fir.char<1,255>>
15  ! CHECK:             %[[cwd:.*]] = fir.convert %[[cwdBox]] : (!fir.box<!fir.char<1,255>>) -> !fir.box<none>
16  ! CHECK:             %[[statusValue:.*]] = fir.call @_FortranAGetCwd(%[[cwd]], %[[VAL_7:.*]], %[[c7]]) fastmath<contract> : (!fir.box<none>, !fir.ref<i8>, i32) -> i32
17  ! CHECK-NEXT:        return
18end subroutine cwd_only
19
20! CHECK-LABEL: func.func @_QPall_arguments(
21! CHECK-SAME: %[[cwdArg:.*]]: !fir.boxchar<1> {fir.bindc_name = "cwd"},
22! CHECK-SAME: %[[statusArg:.*]]: !fir.ref<i32> {fir.bindc_name = "status"}) {
23subroutine all_arguments(cwd, status)
24  CHARACTER(len=255) :: cwd
25  INTEGER :: status
26  call getcwd(cwd, status)
27  ! CHECK-NEXT:        %[[c0:.*]] = arith.constant 0 : i64
28  ! CHECK-NEXT:        %[[c26:.*]] = arith.constant 26 : i32
29  ! CHECK-NEXT:        %[[c255:.*]] = arith.constant 255 : index
30  ! CHECK-NEXT:        %[[DSCOPE:.*]] = fir.dummy_scope : !fir.dscope
31  ! CHECK-NEXT:        %[[cwdUnbox:.*]]:2 = fir.unboxchar %[[cwdArg]] : (!fir.boxchar<1>) -> (!fir.ref<!fir.char<1,?>>, index)
32  ! CHECK-NEXT:        %[[cwdCast:.*]] = fir.convert %[[cwdUnbox]]#0 : (!fir.ref<!fir.char<1,?>>) -> !fir.ref<!fir.char<1,255>>
33  ! CHECK-NEXT:        %[[cwdDeclare:.*]] = fir.declare %[[cwdCast]] typeparams %[[c255]] dummy_scope %[[DSCOPE]] {uniq_name = "_QFall_argumentsEcwd"} : (!fir.ref<!fir.char<1,255>>, index, !fir.dscope) -> !fir.ref<!fir.char<1,255>>
34  ! CHECK-NEXT:        %[[statusAddr:.*]] = fir.declare %[[statusArg]] dummy_scope %0 {uniq_name = "_QFall_argumentsEstatus"} : (!fir.ref<i32>, !fir.dscope) -> !fir.ref<i32>
35  ! CHECK-NEXT:       %[[cwdBox:.*]] = fir.embox %[[cwdDeclare]] : (!fir.ref<!fir.char<1,255>>) -> !fir.box<!fir.char<1,255>>
36  ! CHECK:            %[[cwd:.*]] = fir.convert %[[cwdBox]] : (!fir.box<!fir.char<1,255>>) -> !fir.box<none>
37  ! CHECK:            %[[statusValue:.*]] = fir.call @_FortranAGetCwd(%[[cwd]], %[[VAL_8:.*]], %[[c26]]) fastmath<contract> : (!fir.box<none>, !fir.ref<i8>, i32) -> i32
38  ! CHECK-NEXT:       %[[statusCast:.*]] = fir.convert %[[statusAddr]] : (!fir.ref<i32>) -> i64
39  ! CHECK-NEXT:       %[[isPresent:.*]] = arith.cmpi ne, %[[statusCast]], %[[c0]] : i64
40  ! CHECK-NEXT:       fir.if %[[isPresent]] {
41  ! CHECK-NEXT:         fir.store %[[statusValue]] to %[[statusAddr]] : !fir.ref<i32>
42  ! CHECK-NEXT:       }
43  ! CHECK-NEXT:       return
44end subroutine all_arguments