flang/test/Semantics/symbol03.f90

   1 ! RUN: %python %S/test_symbols.py %s %flang_fc1
   2 ! Test host association in internal subroutine of main program.
   3
   4 !DEF: /main MainProgram
   5 program main
   6  !DEF: /main/x ObjectEntity INTEGER(4)
   7  integer x
   8  !DEF: /main/s (Subroutine) Subprogram
   9  call s
  10 contains
  11  !REF: /main/s
  12  subroutine s
  13   !DEF: /main/s/y (Implicit) ObjectEntity REAL(4)
  14   !DEF: /main/s/x HostAssoc INTEGER(4)
  15   y = x
  16  contains
  17   !DEF: /main/s/s2 (Subroutine) Subprogram
  18   subroutine s2
  19    !DEF: /main/s/s2/z (Implicit) ObjectEntity REAL(4)
  20    !DEF: /main/s/s2/x HostAssoc INTEGER(4)
  21    z = x
  22   end subroutine
  23  end subroutine
  24 end program
  25
  26 !DEF: /s (Subroutine) Subprogram
  27 subroutine s
  28  !DEF: /s/x ObjectEntity REAL(4)
  29  real x(100, 100)
  30  !DEF: /s/s1 (Subroutine) Subprogram
  31  call s1
  32 contains
  33  !REF: /s/s1
  34   subroutine s1
  35     !DEF: /s/s1/x HostAssoc REAL(4)
  36     print *, x(10, 10)
  37   end subroutine
  38 end subroutine
  39
  40 !DEF: /sb (Subroutine) Subprogram
  41 subroutine sb
  42  !DEF: /sb/x TARGET ObjectEntity REAL(4)
  43  real, target :: x
  44  !DEF: /sb/s1 (Subroutine) Subprogram
  45  call s1
  46 contains
  47  !REF: /sb/s1
  48  subroutine s1
  49   !DEF: /sb/s1/p POINTER ObjectEntity REAL(4)
  50   real, pointer :: p
  51   !REF: /sb/s1/p
  52   !DEF: /sb/s1/x TARGET HostAssoc REAL(4)
  53   p => x
  54  end subroutine
  55 end subroutine
  56
  57 ! Test host associated symbols are also created for symbols that are use
  58 ! associated in the host.
  59
  60 !DEF: /m1 Module
  61 module m1
  62  !DEF: /m1/x PUBLIC ObjectEntity REAL(4)
  63  real x(100,100)
  64  !DEF: /m1/x_target PUBLIC, TARGET ObjectEntity REAL(4)
  65  real, target :: x_target
  66 end module
  67
  68 !DEF: /s_use (Subroutine) Subprogram
  69 subroutine s_use
  70  !REF: /m1
  71  use :: m1
  72  !DEF: /s_use/x Use REAL(4)
  73  print *, x
  74  !DEF: /s_use/s1 (Subroutine) Subprogram
  75  call s1
  76 contains
  77  !REF: /s_use/s1
  78  subroutine s1
  79   !DEF: /s_use/s1/x HostAssoc REAL(4)
  80   print *, x(10,10)
  81  end subroutine
  82 end subroutine
  83
  84 !DEF: /sb_use (Subroutine) Subprogram
  85 subroutine sb_use
  86  !REF: /m1
  87  use :: m1
  88  !DEF: /sb_use/x_target TARGET Use REAL(4)
  89  print *, x_target
  90  !DEF: /sb_use/s1 (Subroutine) Subprogram
  91  call s1
  92 contains
  93  !REF: /sb_use/s1
  94  subroutine s1
  95   !DEF: /sb_use/s1/p POINTER ObjectEntity REAL(4)
  96   real, pointer :: p
  97   !REF: /sb_use/s1/p
  98   !DEF: /sb_use/s1/x_target TARGET HostAssoc REAL(4)
  99   p => x_target
 100  end subroutine
 101 end subroutine