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TheRock/compiler/amd-llvm/flang/test/Lower/Intrinsics/f_c_string.f90
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derek.holloway 7502bf64a4
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2026-09-02 16:34:47 -07:00

53 lines
2.7 KiB
Fortran

! RUN: bbc -emit-hlfir %s -o - | FileCheck %s
! RUN: %flang_fc1 -emit-hlfir %s -o - | FileCheck %s
! Test lowering of F_C_STRING intrinsic from ISO_C_BINDING
! CHECK-LABEL: func @_QPtest_default(
! CHECK-SAME: %[[arg0:.*]]: !fir.boxchar<1>{{.*}}) {
subroutine test_default(str)
use iso_c_binding
character(*) :: str
character(:), allocatable :: result
! CHECK: %[[tmpBox:.*]] = fir.alloca !fir.box<!fir.heap<!fir.char<1,?>>>
! CHECK: %[[strBox:.*]] = fir.embox %{{.*}} typeparams %{{.*}} : (!fir.ref<!fir.char<1,?>>, index) -> !fir.box<!fir.char<1,?>>
! CHECK: %[[resBoxNone:.*]] = fir.convert %[[tmpBox]] : (!fir.ref<!fir.box<!fir.heap<!fir.char<1,?>>>>) -> !fir.ref<!fir.box<none>>
! CHECK: %[[strBoxNone:.*]] = fir.convert %[[strBox]] : (!fir.box<!fir.char<1,?>>) -> !fir.box<none>
! CHECK: %{{.*}} = fir.convert %{{.*}} : (!fir.ref<!fir.char<1,{{.*}}>>) -> !fir.ref<i8>
! CHECK: fir.call @_FortranAFCString(%[[resBoxNone]], %[[strBoxNone]], %{{(false|.*)}}, %{{.*}}, %{{.*}}) {{.*}}: (!fir.ref<!fir.box<none>>, !fir.box<none>, i1, !fir.ref<i8>, i32) -> ()
result = f_c_string(str)
! CHECK: fir.freemem
end subroutine
! CHECK-LABEL: func @_QPtest_with_asis(
! CHECK-SAME: %[[arg0:.*]]: !fir.boxchar<1>{{.*}}, %[[arg1:.*]]: !fir.ref<!fir.logical<4>>{{.*}}) {
subroutine test_with_asis(str, keep_blanks)
use iso_c_binding
character(*) :: str
logical :: keep_blanks
character(:), allocatable :: result
! CHECK: %[[tmpBox:.*]] = fir.alloca !fir.box<!fir.heap<!fir.char<1,?>>>
! CHECK: %[[strBox:.*]] = fir.embox %{{.*}} typeparams %{{.*}} : (!fir.ref<!fir.char<1,?>>, index) -> !fir.box<!fir.char<1,?>>
! CHECK: %[[resBoxNone:.*]] = fir.convert %[[tmpBox]] : (!fir.ref<!fir.box<!fir.heap<!fir.char<1,?>>>>) -> !fir.ref<!fir.box<none>>
! CHECK: %[[strBoxNone:.*]] = fir.convert %[[strBox]] : (!fir.box<!fir.char<1,?>>) -> !fir.box<none>
! CHECK: %[[asisBool:.*]] = fir.convert %{{.*}} : (!fir.logical<4>) -> i1
! CHECK: %{{.*}} = fir.convert %{{.*}} : (!fir.ref<!fir.char<1,{{.*}}>>) -> !fir.ref<i8>
! CHECK: fir.call @_FortranAFCString(%[[resBoxNone]], %[[strBoxNone]], %[[asisBool]], %{{.*}}, %{{.*}}) {{.*}}: (!fir.ref<!fir.box<none>>, !fir.box<none>, i1, !fir.ref<i8>, i32) -> ()
result = f_c_string(str, keep_blanks)
! CHECK: fir.freemem
end subroutine
! CHECK-LABEL: func @_QPtest_literal_asis(
subroutine test_literal_asis()
use iso_c_binding
character(:), allocatable :: result
! CHECK: %{{.*}} = fir.convert %{{.*}} : (!fir.ref<!fir.char<1,{{.*}}>>) -> !fir.ref<i8>
! CHECK: fir.call @_FortranAFCString(%{{.*}}, %{{.*}}, %{{(true|.*)}}, %{{.*}}, %{{.*}}) {{.*}}: (!fir.ref<!fir.box<none>>, !fir.box<none>, i1, !fir.ref<i8>, i32) -> ()
result = f_c_string('hello', .true.)
end subroutine