llvm-project/flang/test/Lower/array-constructor-1.f90

! RUN: bbc -o - %s | FileCheck %s

module units
  integer, parameter :: preconnected_unit(3) = [0, 5, 6]
contains
  ! CHECK-LABEL: _QMunitsPis_preconnected_unit
  logical function is_preconnected_unit(u)
  ! CHECK: [[units_ssa:%[0-9]+]] = fir.address_of(@_QMunitsECpreconnected_unit) : !fir.ref<!fir.array<3xi32>>
    integer :: u
    integer :: i
    is_preconnected_unit = .true.
    !do i = lbound(preconnected_unit,1), ubound(preconnected_unit,1)
      ! CHECK: fir.coordinate_of [[units_ssa]]
      if (preconnected_unit(i) == u) return
    !end do
    is_preconnected_unit = .false.
  end function
end module units

! CHECK-LABEL: _QPcheck_units
subroutine check_units
  use units
  !do i=-1,8
    if (is_preconnected_unit(i)) print*, i
  !enddo
end

! CHECK-LABEL: _QPzero
subroutine zero
  complex, parameter :: a(0) = [(((k,k=1,10),j=-2,2,-1),i=2,-2,-2)]
  complex, parameter :: b(0) = [(7,i=3,-3)]
  ! CHECK: fir.address_of(@_QQro.0xz4.null) : !fir.ref<!fir.array<0x!fir.complex<4>>>
  ! CHECK-NOT: _QQro
  print*, '>', a, '<'
  print*, '>', b, '<'
end

! CHECK-LABEL: _QQmain
program prog
  call check_units
  call zero
end

! CHECK: fir.global internal @_QFzeroECa constant : !fir.array<0x!fir.complex<4>>
! CHECK:   %0 = fir.undefined !fir.array<0x!fir.complex<4>>
! CHECK:   fir.has_value %0 : !fir.array<0x!fir.complex<4>>