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

   1 # Copyright (C) 2009-2024 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 3 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 GCC; see the file COPYING3.  If not see
  15 # <http://www.gnu.org/licenses/>.
  16 #
  17 # Contributed by Diego Novillo <dnovillo@google.com>
  18
  19
  20 # Test link-time optimization across multiple files.
  21 #
  22 # Programs are broken into multiple files.  Each one is compiled
  23 # separately with LTO information.  The final executable is generated
  24 # by collecting all the generated object files using regular LTO or WHOPR.
  25
  26 if $tracelevel then {
  27     strace $tracelevel
  28 }
  29
  30 # Load procedures from common libraries.
  31 load_lib standard.exp
  32 load_lib g++.exp
  33 load_lib target-libpath.exp
  34
  35 # Load the language-independent compabibility support procedures.
  36 load_lib lto.exp
  37
  38 # If LTO has not been enabled, bail.
  39 if { ![check_effective_target_lto] } {
  40     return
  41 }
  42
  43 g++_init
  44 lto_init no-mathlib
  45
  46 # Define an identifier for use with this suite to avoid name conflicts
  47 # with other lto tests running at the same time.
  48 set sid "cp_lto"
  49
  50 # Main loop.
  51 foreach src [lsort [find $srcdir/$subdir *_0.\[cC\]]] {
  52     # If we're only testing specific files and this isn't one of them, skip it.
  53     if ![runtest_file_p $runtests $src] then {
  54         continue
  55     }
  56
  57     lto-execute $src $sid
  58 }
  59
  60 lto_finish