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TheRock/compiler/amd-llvm/flang/test/Lower/HLFIR/bindc-assumed-length.f90
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42 lines
1.4 KiB
Fortran

! Test that assumed length character scalars and explicit shape arrays are passed via
! CFI descriptor (fir.box) in BIND(C) procedures. They are passed only by address
! and length in non BIND(C) procedures. See Fortran 2018 standard 18.3.6 point 2(5).
! RUN: bbc -emit-fir -o - %s 2>&1 | FileCheck %s
module bindcchar
contains
! CHECK-LABEL: func.func @bindc(
! CHECK-SAME: %{{[^:]*}}: !fir.box<!fir.char<1,?>>
! CHECK-SAME: %{{[^:]*}}: !fir.box<!fir.array<100x!fir.char<1,?>>>
subroutine bindc(c1, c3) bind(c)
character(*) :: c1, c3(100)
print *, c1(1:3), c3(5)(1:3)
end subroutine
! CHECK-LABEL: func.func @bindc_optional(
! CHECK-SAME: %{{[^:]*}}: !fir.box<!fir.char<1,?>>
! CHECK-SAME: %{{[^:]*}}: !fir.box<!fir.array<100x!fir.char<1,?>>>
subroutine bindc_optional(c1, c3) bind(c)
character(*), optional :: c1, c3(100)
print *, c1(1:3), c3(5)(1:3)
end subroutine
! CHECK-LABEL: func.func @_QMbindccharPnot_bindc(
! CHECK-SAME: %{{[^:]*}}: !fir.boxchar<1>
! CHECK-SAME: %{{[^:]*}}: !fir.boxchar<1>
subroutine not_bindc(c1, c3)
character(*) :: c1, c3(100)
call bindc(c1, c3)
call bindc_optional(c1, c3)
end subroutine
! CHECK-LABEL: func.func @_QMbindccharPnot_bindc_optional(
! CHECK-SAME: %{{[^:]*}}: !fir.boxchar<1>
! CHECK-SAME: %{{[^:]*}}: !fir.boxchar<1>
subroutine not_bindc_optional(c1, c3)
character(*), optional :: c1, c3(100)
call bindc(c1, c3)
call bindc_optional(c1, c3)
end subroutine
end module