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+# Copyright (C) 2009 Free Software Foundation, Inc.
+
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with GCC; see the file COPYING3. If not see
+# <http://www.gnu.org/licenses/>.
+#
+# Contributed by Diego Novillo <dnovillo@google.com>
+
+
+# Test link-time optimization across multiple files.
+#
+# Programs are broken into multiple files. Each one is compiled
+# separately with LTO information. The final executable is generated
+# by collecting all the generated object files using regular LTO or WHOPR.
+
+if $tracelevel then {
+ strace $tracelevel
+}
+
+# Load procedures from common libraries.
+load_lib standard.exp
+load_lib gfortran-dg.exp
+
+# Load the language-independent compabibility support procedures.
+load_lib lto.exp
+
+lto_init
+
+
+# Define an identifier for use with this suite to avoid name conflicts
+# with other lto tests running at the same time.
+set sid "f_lto"
+
+# If LTO has not been enabled, bail.
+if { ![check_effective_target_lto] } {
+ return
+}
+
+# Main loop.
+foreach src [lsort [glob -nocomplain $srcdir/$subdir/*_0.\[fF\]{,90,95,03,08} ]] {
+ # If we're only testing specific files and this isn't one of them, skip it.
+ if ![runtest_file_p $runtests $src] then {
+ continue
+ }
+
+ lto-execute $src $sid
+}