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# Copyright (C) 2009-2021 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 gcc.exp
# Load the language-independent compabibility support procedures.
load_lib lto.exp
# If LTO has not been enabled, bail.
if { ![check_effective_target_lto] } {
return
}
gcc_init
lto_init no-mathlib
# Define an identifier for use with this suite to avoid name conflicts
# with other lto tests running at the same time.
set sid "c_lto"
# Main loop.
foreach src [lsort [find $srcdir/$subdir *_0.c]] {
# 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
}
lto_finish
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