xref: /llvm-project/flang/test/Lower/Intrinsics/ichar.f90 (revision f35f863a88f83332bef9605ef4cfe4f05c066efb)
1! RUN: bbc -emit-fir -hlfir=false %s -o - | FileCheck %s
2! RUN: %flang_fc1 -emit-fir -flang-deprecated-no-hlfir %s -o - | FileCheck %s
3
4! CHECK-LABEL: ichar_test
5subroutine ichar_test(c)
6  character(1) :: c
7  character :: str(10)
8  ! CHECK-DAG: %[[unbox:.*]]:2 = fir.unboxchar
9  ! CHECK-DAG: %[[BOX:.*]] = fir.convert %[[unbox]]#0 : (!fir.ref<!fir.char<1,?>>) -> !fir.ref<!fir.char<1>>
10  ! CHECK-DAG: %[[J:.*]] = fir.alloca i32 {{{.*}}uniq_name = "{{.*}}Ej"}
11  ! CHECK-DAG: %[[STR:.*]] = fir.alloca !fir.array{{.*}} {{{.*}}uniq_name = "{{.*}}Estr"}
12  ! CHECK: %[[PTR:.*]] = fir.load %[[BOX]] : !fir.ref<!fir.char<1>>
13  ! CHECK: %[[CHAR:.*]] = fir.extract_value %[[PTR]], [0 : index] :
14  ! CHECK: %[[ARG:.*]] = arith.extui %[[CHAR]] : i8 to i32
15  ! CHECK: fir.call @{{.*}}OutputInteger32{{.*}}%[[ARG]]
16  ! CHECK: fir.call @{{.*}}EndIoStatement
17  print *, ichar(c)
18
19  ! CHECK-DAG: %{{.*}} = fir.load %[[J]] : !fir.ref<i32>
20  ! CHECK: %[[PTR1:.*]] = fir.coordinate_of %[[STR]], %
21  ! CHECK: %[[PTR2:.*]] = fir.load %[[PTR1]] : !fir.ref<!fir.char<1>>
22  ! CHECK: %[[CHAR:.*]] = fir.extract_value %[[PTR2]], [0 : index] :
23  ! CHECK: %[[ARG:.*]] = arith.extui %[[CHAR]] : i8 to i32
24  ! CHECK: fir.call @{{.*}}OutputInteger32{{.*}}%[[ARG]]
25  ! CHECK: fir.call @{{.*}}EndIoStatement
26  print *, ichar(str(J))
27
28  ! "Magic" 88 below is the ASCII code for `X` and the value returned by IACHAR (’X’)
29  ! CHECK: %[[c88:.*]] = arith.constant 88 : i32
30  ! CHECK-NEXT: fir.call @{{.*}}OutputInteger32({{.*}}, %[[c88]])
31  ! CHECK-NEXT: fir.call @{{.*}}EndIoStatement
32  print *, iachar('X')
33end subroutine
34
35! Check that 'arith.extui' op is not generated if type are matching.
36 ! CHECK-LABEL: no_extui
37subroutine no_extui(ch)
38  integer, parameter :: kind = selected_char_kind('ISO_10646')
39  character(*, kind), intent(in) :: ch(:)
40  integer :: i, j
41  ! CHECK-NOT: arith.extui
42  j = ichar(ch(i)(i:i))
43end subroutine
44