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1 # Copyright (C) 2009-2017 Free Software Foundation, Inc.
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2
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3 # This program is free software; you can redistribute it and/or modify
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4 # it under the terms of the GNU General Public License as published by
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5 # the Free Software Foundation; either version 3 of the License, or
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6 # (at your option) any later version.
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7 #
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8 # This program is distributed in the hope that it will be useful,
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9 # but WITHOUT ANY WARRANTY; without even the implied warranty of
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10 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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11 # GNU General Public License for more details.
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12 #
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13 # You should have received a copy of the GNU General Public License
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14 # along with GCC; see the file COPYING3. If not see
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15 # <http://www.gnu.org/licenses/>.
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16 #
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17 # Contributed by Diego Novillo <dnovillo@google.com>
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18
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19
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20 # Test link-time optimization across multiple files.
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21 #
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22 # Programs are broken into multiple files. Each one is compiled
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23 # separately with LTO information. The final executable is generated
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24 # by collecting all the generated object files using regular LTO or WHOPR.
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25
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26 if $tracelevel then {
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27 strace $tracelevel
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28 }
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29
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30 # Load procedures from common libraries.
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31 load_lib standard.exp
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32 load_lib gcc.exp
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33 load_lib mpx-dg.exp
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34
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35 # Load the language-independent compabibility support procedures.
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36 load_lib lto.exp
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37
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38 # If LTO has not been enabled, bail.
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39 if { ![check_effective_target_lto] } {
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40 return
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41 }
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42
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43 gcc_init
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44 lto_init no-mathlib
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45 mpx_init
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46
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47 # Define an identifier for use with this suite to avoid name conflicts
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48 # with other lto tests running at the same time.
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49 set sid "c_lto"
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50
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51 # Main loop.
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52 foreach src [lsort [find $srcdir/$subdir *_0.c]] {
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53 # If we're only testing specific files and this isn't one of them, skip it.
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54 if ![runtest_file_p $runtests $src] then {
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55 continue
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56 }
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57
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58 lto-execute $src $sid
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59 }
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60
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61 lto_finish
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