gcc/testsuite/g++.dg/pch/pch.exp

   1 #   Copyright (C) 1997, 2002, 2003 Free Software Foundation, Inc.
   2
   3 # This program is free software; you can redistribute it and/or modify
   4 # it under the terms of the GNU General Public License as published by
   5 # the Free Software Foundation; either version 2 of the License, or
   6 # (at your option) any later version.
   7 #
   8 # This program is distributed in the hope that it will be useful,
   9 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  10 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  11 # GNU General Public License for more details.
  12 #
  13 # You should have received a copy of the GNU General Public License
  14 # along with this program; if not, write to the Free Software
  15 # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  16
  17 # GCC testsuite for precompiled header interaction,
  18 # that uses the `dg.exp' driver.
  19
  20 # Load support procs.
  21 load_lib "g++-dg.exp"
  22
  23 # Initialize `dg'.
  24 dg-init
  25
  26 set old_dg_do_what_default "${dg-do-what-default}"
  27
  28 # Main loop.
  29 foreach test [lsort [glob -nocomplain $srcdir/$subdir/*.C]] {
  30     global runtests dg-do-what-default
  31
  32     # If we're only testing specific files and this isn't one of them, skip it.
  33     if ![runtest_file_p $runtests $test] {
  34         continue
  35     }
  36     set nshort [file tail [file dirname $test]]/[file tail $test]
  37     set bname "[file rootname [file tail $test]]"
  38
  39     catch { file delete "$bname.H.pch" }
  40     catch { file delete "$bname.s" }
  41     catch { file delete "$bname.s-pch" }
  42
  43     # We don't try to use the loop-optimizing options, since they are highly
  44     # unlikely to make any difference to PCH.
  45     foreach flags { "-g" "-O2 -g" "-O2" } {
  46         verbose "Testing $nshort, $flags" 1
  47
  48         # For the header files, the default is to precompile.
  49         set dg-do-what-default precompile
  50         catch { file delete "$bname.H" }
  51         file copy "[file rootname $test].Hs" "$bname.H"
  52         dg-test -keep-output "$bname.H" $flags ""
  53
  54         # For the rest, the default is to compile to .s.
  55         set dg-do-what-default compile
  56
  57         if { [ file exists "$bname.H.pch" ] } {
  58             # Ensure that the PCH file is used, not the original header.
  59             file delete "$bname.H"
  60
  61             dg-test -keep-output $test $flags "-I."
  62             file delete "$bname.H.pch"
  63             if { [ file exists "$bname.s" ] } {
  64                 file rename "$bname.s" "$bname.s-pch"
  65                 file copy "[file rootname $test].Hs" "$bname.H"
  66                 dg-test -keep-output $test $flags "-I."
  67                 set tmp [ diff "$bname.s" "$bname.s-pch" ]
  68                 if { $tmp == 0 } {
  69                     untested "$nshort $flags assembly comparison"
  70                 } elseif { $tmp == 1 } {
  71                     pass "$nshort $flags assembly comparison"
  72                 } else {
  73                     fail "$nshort $flags assembly comparison"
  74                 }
  75                 file delete "$bname.H"
  76                 file delete "$bname.s"
  77                 file delete "$bname.s-pch"
  78             } else {
  79                 untested "$nshort $flags assembly comparison"
  80             }
  81
  82         } else {
  83             untested $nshort
  84             untested "$nshort $flags assembly comparison"
  85         }
  86     }
  87 }
  88
  89 set dg-do-what-default "$old_dg_do_what_default"
  90
  91 # All done.
  92 dg-finish