Add LTO tests

	* ld-plugin/dummy.c: New file.
	* ld-plugin/dummy.s: Likewise.
	* ld-plugin/lto-11.out: Likewise.
	* ld-plugin/lto-11a.c: Likewise.
	* ld-plugin/lto-11b.c: Likewise.
	* ld-plugin/lto-11c.c: Likewise.
	* ld-plugin/lto-12.out: Likewise.
	* ld-plugin/lto-12a.c: Likewise.
	* ld-plugin/lto-12b.c: Likewise.
	* ld-plugin/lto-12c.c: Likewise.
	* ld-plugin/lto-13.out: Likewise.
	* ld-plugin/lto-13a.c: Likewise.
	* ld-plugin/lto-13b.c: Likewise.
	* ld-plugin/lto-13c.c: Likewise.
	* ld-plugin/lto-14.out: Likewise.
	* ld-plugin/lto-14a.c: Likewise.
	* ld-plugin/lto-14b.c: Likewise.
	* ld-plugin/lto-14c.c: Likewise.
	* ld-plugin/lto-15.out: Likewise.
	* ld-plugin/lto-15a.c: Likewise.
	* ld-plugin/lto-15b.c: Likewise.
	* ld-plugin/lto-16a.c: Likewise.
	* ld-plugin/lto-16a.d: Likewise.
	* ld-plugin/lto-16b.c: Likewise.
	* ld-plugin/lto-16b.d: Likewise.
	* ld-plugin/lto-17a.c: Likewise.
	* ld-plugin/lto-17a.d: Likewise.
	* ld-plugin/lto-17b-1.d: Likewise.
	* ld-plugin/lto-17b-2.d: Likewise.
	* ld-plugin/lto-17b.c: Likewise.
	* ld-plugin/lto-1a.c: Likewise.
	* ld-plugin/lto-1b.c: Likewise.
	* ld-plugin/lto-2.c: Likewise.
	* ld-plugin/lto-3.d: Likewise.
	* ld-plugin/lto-3.out: Likewise.
	* ld-plugin/lto-3a.c: Likewise.
	* ld-plugin/lto-3b.c: Likewise.
	* ld-plugin/lto-3c.c: Likewise.
	* ld-plugin/lto-3r.d: Likewise.
	* ld-plugin/lto-5.d: Likewise.
	* ld-plugin/lto-5.out: Likewise.
	* ld-plugin/lto-5a.c: Likewise.
	* ld-plugin/lto-5b.c: Likewise.
	* ld-plugin/lto-5r.d: Likewise.
	* ld-plugin/lto-6.c: Likewise.
	* ld-plugin/lto-7.out: Likewise.
	* ld-plugin/lto-7a.c: Likewise.
	* ld-plugin/lto-7b.c: Likewise.
	* ld-plugin/lto-7c.c: Likewise.
	* ld-plugin/lto-7d.c: Likewise.
	* ld-plugin/lto-8.out: Likewise.
	* ld-plugin/lto-8a.c: Likewise.
	* ld-plugin/lto-8b.c: Likewise.
	* ld-plugin/lto-9.cc: Likewise.
	* ld-plugin/lto-9.d: Likewise.
	* ld-plugin/lto.exp: Likewise.
	* ld-plugin/pr12696-1.cc: Likewise.
	* ld-plugin/pr12758a.s: Likewise.
	* ld-plugin/pr12758b.c: Likewise.
	* ld-plugin/pr12760a.c: Likewise.
	* ld-plugin/pr12760b.c: Likewise.
	* ld-plugin/pr12942.out: Likewise.
	* ld-plugin/pr12942a.cc: Likewise.
	* ld-plugin/pr12942a.h: Likewise.
	* ld-plugin/pr12942b.cc: Likewise.
	* ld-plugin/pr12942c.cc: Likewise.
	* ld-plugin/pr12975.c: Likewise.
	* ld-plugin/pr12975.d: Likewise.
	* ld-plugin/pr12975.t: Likewise.
	* ld-plugin/pr12982.c: Likewise.
	* ld-plugin/pr12982.d: Likewise.
	* ld-plugin/pr13066.cc: Likewise.
	* ld-plugin/pr13066.out: Likewise.
	* ld-plugin/pr13183.d: Likewise.
	* ld-plugin/pr13183a.c: Likewise.
	* ld-plugin/pr13183b.c: Likewise.
	* ld-plugin/pr13201.c: Likewise.
	* ld-plugin/pr13201.out: Likewise.
	* ld-plugin/pr13229.cc: Likewise.
	* ld-plugin/pr13229.d: Likewise.
	* ld-plugin/pr13244.c: Likewise.
	* ld-plugin/pr13244.d: Likewise.
	* ld-plugin/pr13287.cc: Likewise.
	* ld-plugin/run-ie.c: Likewise.
	* ld-plugin/run-ie.out: Likewise.

1 files changed, 304 insertions, 0 deletions

diff --git a/ld/testsuite/ld-plugin/lto.exp b/ld/testsuite/ld-plugin/lto.exp
new file mode 100644
index 0000000..b5cb1b4
--- /dev/null
+++ b/ld/testsuite/ld-plugin/lto.exp
@@ -0,0 +1,304 @@
+# Expect script for ld-plugin LTO tests
+#   Copyright 2011
+#   Free Software Foundation, Inc.
+#
+# This file is part of the GNU Binutils.
+#
+# 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 this program; if not, write to the Free Software
+# Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
+# MA 02110-1301, USA.
+
+# These tests require plugin and LTO.
+if { ![check_plugin_api_available]
+     || ![check_lto_available] } {
+    return
+}
+
+global CFLAGS
+global CXXFLAGS
+set saved_CFLAGS "$CFLAGS"
+set saved_CXXFLAGS "$CXXFLAGS"
+regsub -all "\\-Wp,-D_FORTIFY_SOURCE=\[0-9\]+" $CFLAGS "" CFLAGS
+regsub -all "\\-Wp,-D_FORTIFY_SOURCE=\[0-9\]+" $CXXFLAGS "" CXXFLAGS
+
+proc restore_notify { } {
+  global saved_CFLAGS
+  global saved_CXXFLAGS
+  set CFLAGS "$saved_CFLAGS"
+  set CXXFLAGS "$saved_CXXFLAGS"
+}
+
+# Simple LTO tests and generate input files for complex LTO tests.
+set lto_link_tests {
+  {"LTO 1"
+   "-O2 -flto -fuse-linker-plugin" "-flto -fuse-linker-plugin"
+   {lto-1a.c lto-1b.c} {} "lto-1.exe"}
+  {"Build libdummy.a 2"
+   "" "-O2 -flto -fuse-linker-plugin"
+   {lto-2.c} {} "libdummy.a"}
+  {"LTO 2"
+   "-static -O2 -flto -fuse-linker-plugin tmpdir/lto-2.o -lm" ""
+   {dummy.c} {} "lto-2.exe"}
+  {"Build libdummy.a 3a"
+   "" "-flto"
+   {lto-3a.c} {} "libdummy.a"}
+  {"Build libdummy.a 3c"
+   "" "-O2"
+   {lto-3c.c} {} "libdummy.a"}
+  {"Build liblto-3.a"
+   "" "-flto"
+   {lto-3b.c} {} "liblto-3.a"}
+  {"Build libdummy.a 5a"
+   "" "-flto"
+   {lto-5a.c} {} "libdummy.a"}
+  {"Build libdummy.a 5b"
+   "" "-flto"
+   {lto-5b.c} {} "libdummy.a"}
+  {"LTO 6"
+   "-O2 -flto -fuse-linker-plugin" ""
+   {lto-6.c} {} "lto-6.exe" "c"}
+  {"Build libdummy.a 9"
+   "" "-O2 -flto"
+   {lto-9.cc} {} "libdummy.a"}
+  {"Build libdummy.a 11a"
+   "" "-O -flto"
+   {lto-11a.c} {} "libdummy.a"}
+  {"Build libdummy.a 11b"
+   "" "-O -flto"
+   {lto-11b.c} {} "libdummy.a"}
+  {"Build libdummy.a 11c"
+   "" "-O"
+   {lto-11c.c} {} "libdummy.a"}
+  {"Build liblto-12.a"
+   "" "-O2 -flto"
+   {lto-12c.c} {} "liblto-12.a"}
+  {"Build libdummy.a 12"
+   "" "-O2 -flto"
+   {lto-12a.c lto-12b.c} {} "libdummy.a"}
+  {"Build libdummy.a 13"
+   "" "-O2 -flto"
+   {lto-13a.c lto-13b.c} {} "libdummy.a"}
+  {"Build liblto-13.a"
+   "" "-O2"
+   {lto-13c.c} {} "liblto-13.a"}
+  {"Build libdummy.a 14a"
+   "" "-flto"
+   {lto-14a.c lto-14b.c} {} "libdummy.a"}
+  {"Build liblto-14.a"
+   "" "-flto"
+   {lto-14c.c} {} "liblto-14.a"}
+  {"Build libdummy.a 15a"
+   "" "-flto"
+   {lto-15a.c} {} "libdummy.a"}
+  {"Build liblto-15.a"
+   "" "-flto"
+   {lto-15b.c} {} "liblto-15.a"}
+  {"PR ld/12696"
+   "-O2 -flto -fuse-linker-plugin -r -nostdlib" "-O2 -flto"
+   {pr12696-1.cc} {} "pr12696-1r.o" "c"}
+  {"Build libdummy.a PR ld/12758"
+   "" ""
+   {pr12758a.s} {} "libdummy.a"}
+  {"Build libpr12758.a"
+   "" "-flto -O2"
+   {pr12758b.c} {} "libpr12758.a"}
+  {"PR ld/12758"
+   "-O2 -Wl,-e,foo -nostdlib -flto -fuse-linker-plugin tmpdir/pr12758a.o -Wl,--start-group tmpdir/libpr12758.a -Wl,--end-group" ""
+   {dummy.c} {} "pr12758.exe"}
+  {"Build libdummy.a PR ld/12760"
+   "" ""
+   {pr12760a.c} {} "libdummy.a"}
+  {"Build libpr12760.a"
+   "" "-flto -O2"
+   {pr12760b.c} {} "libpr12760.a"}
+  {"PR ld/12760"
+   "-O2 -Wl,-e,foo -nostdlib -flto -fuse-linker-plugin tmpdir/pr12760a.o -Wl,--start-group tmpdir/libpr12760.a -Wl,--end-group" ""
+   {dummy.c} {} "pr12760.exe" "c" "warning: Bad bar"}
+  {"Build libdummy.a PR ld/12942 (1)"
+   "" "-flto -O2"
+   {pr12942a.cc pr12942c.cc} {} "libdummy.a" "c++"}
+  {"Build libdummy.a PR ld/12942 (2)"
+   "" "-O0"
+   {pr12942b.cc} {} "libdummy.a" "c++"}
+  {"Build libpr13183.a"
+   "-T" "-flto -O2"
+   {pr13183a.c} {} "libpr13183.a"}
+  {"Build libdummy.a PR ld/13183"
+   "" "-flto -O2"
+   {pr13183b.c} {} "libdummy.a"}
+  {"Build libdummy.a PR ld/13201"
+   "" "-flto -O2"
+   {pr13201.c} {} "libdummy.a"}
+  {"PR ld/13287"
+   "-flto -fuse-linker-plugin -Wl,--as-needed" "-flto"
+   {pr13287.cc} {} "pr13287.exe" "c++"}
+}
+
+# Generate input files for complex LTO tests for ELF.
+set lto_link_elf_tests {
+  {"Build libdummy.a 7"
+   "" "-flto -O2"
+   {lto-7a.c lto-7b.c lto-7c.c} {} "libdummy.a"}
+  {"Build liblto-7.so"
+   "-shared" "-O2 -fpic"
+   {lto-7d.c} {} "liblto-7.so" "c"}
+  {"Build libdummy.a 8a"
+   "" "-O2"
+   {lto-8a.c} {} "libdummy.a"}
+  {"Build libdummy.a 8b"
+   "" "-flto -O2"
+   {lto-8b.c} {} "libdummy.a"}
+  {"Build liblto-17a.so"
+   "-shared -O2 -fpic -flto -fuse-linker-plugin" "-O2 -fpic -flto"
+   {lto-17a.c} {{"nm" {} "lto-17a.d"}} "liblto-17a.so" "c"}
+  {"Build liblto-17b.so 1"
+   "-shared -O2 -fpic -flto -fuse-linker-plugin tmpdir/lto-17a.o" "-O2 -fpic -flto"
+   {lto-17b.c} {{"nm" {} "lto-17b-1.d"}} "liblto-17b.so"}
+  {"Build liblto-17b.so 2"
+   "-shared -O2 -fpic -flto -fuse-linker-plugin tmpdir/lto-17a.o" "-O2 -fpic -flto"
+   {lto-17b.c} {{"nm" {} "lto-17b-2.d"}} "liblto-17b.so"}
+  {"PR ld/12982"
+   "-O2 -flto -fuse-linker-plugin" "-O2 -flto"
+   {pr12982.c} {{"readelf" {-l --wide} "pr12982.d"}} "pr12982.exe"}
+  {"PR ld/12975"
+   "-shared -O2 -fPIC -flto -fuse-linker-plugin -nostdlib -Wl,-version-script,pr12975.t" "-O2 -flto"
+   {pr12975.c} {{"readelf" {-s --wide} "pr12975.d"}} "pr12975.so" "c"}
+  {"PR ld/13229"
+   "-shared -O2 -fPIC -flto -fuse-linker-plugin -nostdlib" "-O2 -fno-early-inlining -flto"
+   {pr13229.cc} {{"readelf" {-s --wide} "pr13229.d"}} "pr13229.so" "c++"}
+  {"PR ld/13244"
+   "-shared -O2 -fPIC -flto -fuse-linker-plugin -nostdlib" "-O2 -fno-early-inlining -flto"
+   {pr13244.c} {{"readelf" {-s --wide} "pr13244.d"}} "pr13244.so" "c"}
+}
+
+# Check final symbols in executables.
+set lto_link_symbol_tests {
+  {"LTO 3 symbol"
+   "-O2 -flto -fuse-linker-plugin tmpdir/lto-3a.o tmpdir/lto-3c.o tmpdir/liblto-3.a" ""
+   {dummy.c} {{"nm" {} "lto-3.d"}} "lto-3.exe" "c"}
+  {"LTO 5 symbol"
+   "-O2 -flto -fuse-linker-plugin tmpdir/lto-5.o" ""
+   {dummy.c} {{"nm" {} "lto-5.d"}} "lto-5.exe" "c"}
+  {"LTO 9 symbol"
+   "-O2 -flto -fuse-linker-plugin tmpdir/lto-9.o" ""
+   {dummy.c} {{"nm" {-C} "lto-9.d"}} "lto-9.exe" "c++"}
+  {"LTO 16a symbol"
+   "-O2 -Wl,-e,foo -nostdlib -flto -fuse-linker-plugin" "-flto"
+   {lto-16a.c} {{"nm" {} "lto-16a.d"}} "lto-16.exe" "c"}
+  {"LTO 16b symbol"
+   "-O2 -Wl,-e,foo -u bar -nostdlib -flto -fuse-linker-plugin" "-flto"
+   {lto-16a.c lto-16b.c} {{"nm" {} "lto-16b.d"}} "lto-16b.exe" "c"}
+  {"PR ld/13183"
+   "-O2 -flto -fuse-linker-plugin tmpdir/pr13183b.o tmpdir/libpr13183.a" ""
+   {dummy.c} {{"nm" {} "pr13183.d"}} "pr13183.exe" "c"}
+}
+
+# LTO run-time tests.
+set lto_run_tests {
+  {"LTO 3a"
+   "-O2 -flto -fuse-linker-plugin tmpdir/lto-3a.o tmpdir/lto-3c.o tmpdir/liblto-3.a" ""
+   {dummy.c} "lto-3b.exe" "lto-3.out" "" "c"}
+  {"LTO 3b"
+   "-O2 -flto -fuse-linker-plugin tmpdir/lto-3a.o tmpdir/lto-3c.o tmpdir/lto-3.o" ""
+   {dummy.c} "lto-3c.exe" "lto-3.out" "" "c"}
+  {"LTO 3c"
+   "-O2 -flto -fuse-linker-plugin tmpdir/lto-3a.o tmpdir/lto-3c.o -Wl,--whole-archive tmpdir/liblto-3.a -Wl,--no-whole-archive tmpdir/liblto-3.a" ""
+   {dummy.c} "lto-3d.exe" "lto-3.out" "" "c"}
+  {"LTO 5"
+   "-O2 -flto -fuse-linker-plugin tmpdir/lto-5.o" ""
+   {dummy.c} "lto-5.exe" "lto-5.out" "" "c"}
+  {"LTO 11"
+   "-O -flto -fuse-linker-plugin tmpdir/liblto-11.a" ""
+   {dummy.c} "lto-11.exe" "lto-11.out" "" "c"}
+  {"LTO 12a"
+   "-O -flto -fuse-linker-plugin tmpdir/lto-12a.o tmpdir/liblto-12.a tmpdir/lto-12b.o" ""
+   {dummy.c} "lto-12a.exe" "lto-12.out" "" "c"}
+  {"LTO 12b"
+   "-O -flto -fuse-linker-plugin tmpdir/lto-12a.o tmpdir/lto-12b.o tmpdir/liblto-12.a" ""
+   {dummy.c} "lto-12b.exe" "lto-12.out" "" "c"}
+  {"LTO 13"
+   "-O -flto -fuse-linker-plugin tmpdir/lto-13a.o tmpdir/liblto-13.a tmpdir/lto-13b.o" ""
+   {dummy.c} "lto-13.exe" "lto-13.out" "" "c"}
+  {"LTO 14"
+   "-O2 -flto -fuse-linker-plugin tmpdir/lto-14a.o -Wl,--whole-archive tmpdir/liblto-14.a -Wl,--no-whole-archive tmpdir/lto-14b.o" ""
+   {dummy.c} "lto-14.exe" "lto-14.out" "" "c"}
+  {"LTO 15"
+   "-O2 -flto -fuse-linker-plugin -Wl,--start-group tmpdir/liblto-15.a tmpdir/lto-15a.o -Wl,--end-group" ""
+   {dummy.c} "lto-15.exe" "lto-15.out" "" "c"}
+  {"PR ld/12942 (1)"
+   "-O2 -flto -fuse-linker-plugin tmpdir/pr12942a.o tmpdir/pr12942b.o" ""
+   {dummy.c} "pr12942a.exe" "pr12942.out" "" "c++"}
+  {"PR ld/12942 (2)"
+   "-O2 -flto -fuse-linker-plugin tmpdir/pr12942a.o tmpdir/pr12942c.o" ""
+   {dummy.c} "pr12942c.exe" "pr12942.out" "" "c++"}
+  {"PR ld/13066"
+   "-O2 -flto -fuse-linker-plugin" ""
+   {pr13066.cc} "pr13066.exe" "pr13066.out" "" "c++"}
+  {"PR ld/13201"
+   "-O2 -flto -fuse-linker-plugin -Wl,--as-needed tmpdir/pr13201.o -lm" ""
+   {dummy.c} "pr13201.exe" "pr13201.out" "" "c"}
+}
+
+# LTO run-time tests for ELF
+set lto_run_elf_tests {
+  {"LTO 7"
+   "-O2 -flto -fuse-linker-plugin tmpdir/lto-7b.o tmpdir/lto-7c.o tmpdir/lto-7a.o tmpdir/liblto-7.so" ""
+   {dummy.c} "lto-7.exe" "lto-7.out" "" "c"}
+  {"LTO 8"
+   "-O2 -flto -fuse-linker-plugin tmpdir/lto-8b.o tmpdir/lto-8a.o" ""
+   {dummy.c} "lto-8.exe" "lto-8.out" "" "c"}
+  {"LTO TLS IE"
+   "-O2 -flto -fuse-linker-plugin" ""
+   {run-ie.c} "run-ie.exe" "run-ie.out" "" "c"}
+}
+
+run_cc_link_tests $lto_link_tests
+
+if { [is_elf_format] } {
+    run_cc_link_tests $lto_link_elf_tests
+}
+
+set testname "Build liblto-11.a"
+remote_file host delete "tmpdir/liblto-11.a"
+set catch_output [run_host_cmd "$ar" "rc tmpdir/liblto-11.a tmpdir/lto-11a.o tmpdir/lto-11b.o tmpdir/lto-11c.o"]
+if {![string match "" $catch_output]} {
+    unresolved $testname
+    restore_notify
+    return
+}
+
+# Check expected LTO linker errors.
+set testname "PR ld/12942 (3)"
+set exec_output [run_host_cmd "$CXX" "$gcc_gas_flag $gcc_ld_flag -O2 -flto -fuse-linker-plugin tmpdir/pr12942b.o tmpdir/pr12942a.o"]
+if { [ regexp "pr12942a.h:7: undefined reference to `link_error\\(\\)'" $exec_output ] } {
+    pass $testname
+} {
+    fail $testname
+}
+
+# Run "ld -r" to generate inputs for complex LTO tests.
+run_dump_test "lto-3r"
+remote_exec host "mv" "tmpdir/dump tmpdir/lto-3.o"
+run_dump_test "lto-5r"
+remote_exec host "mv" "tmpdir/dump tmpdir/lto-5.o"
+
+run_cc_link_tests $lto_link_symbol_tests
+
+run_ld_link_exec_tests [] $lto_run_tests
+
+if { [is_elf_format] } {
+    run_ld_link_exec_tests [] $lto_run_elf_tests
+}
+
+restore_notify