[deliverable/binutils-gdb.git] / ld / testsuite / ld-plugin / lto.exp

# Expect script for ld-plugin LTO tests
#   Copyright 2011, 2012, 2013
#   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 -ffat-lto-objects"
   {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 -finline -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 -ffat-lto-objects"
   {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 -ffat-lto-objects"
   {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 libpr13183.a"
   "-T" "-flto -O2 -ffat-lto-objects"
   {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++"}
  {"PR ld/15323"
   "" "-O2"
   {pr15323a.c} {} "libdummy.a" "c"}
}

if { [at_least_gcc_version 4 7] } {
    set lto_link_tests [concat $lto_link_tests {
      {"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++"}
    }]
}

# 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 -finline -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"}
  {"Build libpr15146a.a"
   "" "-flto -O2"
   {pr15146a.c} {} "lib15146a.a"}
  {"Build pr15146b.so"
   "-shared" "-O2 -fpic"
   {pr15146b.c} {} "pr15146b.so" "c"}
  {"Build pr15146c.so"
   "-shared -Wl,--no-as-needed tmpdir/pr15146b.so" "-O2 -fpic"
   {pr15146c.c} {} "pr15146c.so" "c"}
  {"PR ld/15146 (1)"
   "-O2 -flto -fuse-linker-plugin -Wl,-rpath-link,. -Wl,--no-copy-dt-needed-entries -Wl,--no-as-needed tmpdir/pr15146a.o tmpdir/pr15146c.so" ""
   {dummy.c} {{"readelf" {-d} "pr15146.d"}} "pr15146a.exe"}
  {"Build libpr15146d.a"
   "" "-flto -O2"
   {pr15146d.c} {} "lib15146d.a"}
  {"Build libpr15146d.a"
   "" "-flto -O2"
   {pr15146d.c} {} "lib15146d.a"}
}

# 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/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"}
  {"PR ld/15323"
   "-O2 -flto -fuse-linker-plugin tmpdir/pr15323a.o" ""
   {pr15323b.c} "pr15323.exe" "pr15323.out" "-flto -O2" "c"}
}

if { [at_least_gcc_version 4 7] } {
    set lto_run_tests [concat $lto_run_tests {
      {"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++"}
    }]
}

# 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 -Wl,--no-as-needed 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

# Restrict these to ELF targets that support shared libs and PIC.
if { [is_elf_format]
     && [run_host_cmd_yesno $CC "-shared -fPIC $srcdir/$subdir/dummy.c -o tmpdir/t.so"] } {
    run_cc_link_tests $lto_link_elf_tests
    set testname "PR ld/15146 (2)"
    set exec_output [run_host_cmd "$CC" "$gcc_gas_flag $gcc_ld_flag -O2 -flto -fuse-linker-plugin -Wl,-rpath-link,. -Wl,--no-copy-dt-needed-entries -Wl,--no-as-needed tmpdir/pr15146d.o tmpdir/pr15146c.so"]
    if { [ regexp "undefined reference to symbol 'xxx'" $exec_output ] } {
	pass $testname
    } {
	fail $testname
    }
}

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
}

if { [at_least_gcc_version 4 7] } {
    # 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 "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

# The following tests require running the executable generated by ld.
if ![isnative] {
    return
}

run_ld_link_exec_tests [] $lto_run_tests

if { [is_elf_format] } {
    run_ld_link_exec_tests [] $lto_run_elf_tests
}

restore_notify
Commit	Line	Data
af55061b	1	# Expect script for ld-plugin LTO tests
61315175	2	# Copyright 2011, 2012, 2013
af55061b L	3	# Free Software Foundation, Inc.
	4	#
	5	# This file is part of the GNU Binutils.
	6	#
	7	# This program is free software; you can redistribute it and/or modify
	8	# it under the terms of the GNU General Public License as published by
	9	# the Free Software Foundation; either version 3 of the License, or
	10	# (at your option) any later version.
	11	#
	12	# This program is distributed in the hope that it will be useful,
	13	# but WITHOUT ANY WARRANTY; without even the implied warranty of
	14	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	15	# GNU General Public License for more details.
	16	#
	17	# You should have received a copy of the GNU General Public License
	18	# along with this program; if not, write to the Free Software
	19	# Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
	20	# MA 02110-1301, USA.
	21
	22	# These tests require plugin and LTO.
	23	if { ![check_plugin_api_available]
	24	\|\| ![check_lto_available] } {
	25	return
	26	}
	27
	28	global CFLAGS
	29	global CXXFLAGS
	30	set saved_CFLAGS "$CFLAGS"
	31	set saved_CXXFLAGS "$CXXFLAGS"
	32	regsub -all "\\-Wp,-D_FORTIFY_SOURCE=\[0-9\]+" $CFLAGS "" CFLAGS
	33	regsub -all "\\-Wp,-D_FORTIFY_SOURCE=\[0-9\]+" $CXXFLAGS "" CXXFLAGS
	34
	35	proc restore_notify { } {
	36	global saved_CFLAGS
	37	global saved_CXXFLAGS
	38	set CFLAGS "$saved_CFLAGS"
	39	set CXXFLAGS "$saved_CXXFLAGS"
	40	}
	41
	42	# Simple LTO tests and generate input files for complex LTO tests.
	43	set lto_link_tests {
	44	{"LTO 1"
	45	"-O2 -flto -fuse-linker-plugin" "-flto -fuse-linker-plugin"
	46	{lto-1a.c lto-1b.c} {} "lto-1.exe"}
	47	{"Build libdummy.a 2"
	48	"" "-O2 -flto -fuse-linker-plugin"
	49	{lto-2.c} {} "libdummy.a"}
	50	{"LTO 2"
	51	"-static -O2 -flto -fuse-linker-plugin tmpdir/lto-2.o -lm" ""
	52	{dummy.c} {} "lto-2.exe"}
	53	{"Build libdummy.a 3a"
	54	"" "-flto"
	55	{lto-3a.c} {} "libdummy.a"}
	56	{"Build libdummy.a 3c"
	57	"" "-O2"
	58	{lto-3c.c} {} "libdummy.a"}
	59	{"Build liblto-3.a"
b35d44f1	60	"" "-flto -ffat-lto-objects"
af55061b L	61	{lto-3b.c} {} "liblto-3.a"}
	62	{"Build libdummy.a 5a"
	63	"" "-flto"
	64	{lto-5a.c} {} "libdummy.a"}
	65	{"Build libdummy.a 5b"
	66	"" "-flto"
	67	{lto-5b.c} {} "libdummy.a"}
	68	{"LTO 6"
	69	"-O2 -flto -fuse-linker-plugin" ""
	70	{lto-6.c} {} "lto-6.exe" "c"}
	71	{"Build libdummy.a 9"
1178606e	72	"" "-O2 -finline -flto"
af55061b L	73	{lto-9.cc} {} "libdummy.a"}
	74	{"Build libdummy.a 11a"
	75	"" "-O -flto"
	76	{lto-11a.c} {} "libdummy.a"}
	77	{"Build libdummy.a 11b"
	78	"" "-O -flto"
	79	{lto-11b.c} {} "libdummy.a"}
	80	{"Build libdummy.a 11c"
	81	"" "-O"
	82	{lto-11c.c} {} "libdummy.a"}
	83	{"Build liblto-12.a"
	84	"" "-O2 -flto"
	85	{lto-12c.c} {} "liblto-12.a"}
	86	{"Build libdummy.a 12"
	87	"" "-O2 -flto"
	88	{lto-12a.c lto-12b.c} {} "libdummy.a"}
	89	{"Build libdummy.a 13"
	90	"" "-O2 -flto"
	91	{lto-13a.c lto-13b.c} {} "libdummy.a"}
	92	{"Build liblto-13.a"
	93	"" "-O2"
	94	{lto-13c.c} {} "liblto-13.a"}
	95	{"Build libdummy.a 14a"
	96	"" "-flto"
	97	{lto-14a.c lto-14b.c} {} "libdummy.a"}
	98	{"Build liblto-14.a"
	99	"" "-flto"
	100	{lto-14c.c} {} "liblto-14.a"}
	101	{"Build libdummy.a 15a"
	102	"" "-flto"
	103	{lto-15a.c} {} "libdummy.a"}
	104	{"Build liblto-15.a"
	105	"" "-flto"
	106	{lto-15b.c} {} "liblto-15.a"}
	107	{"PR ld/12696"
	108	"-O2 -flto -fuse-linker-plugin -r -nostdlib" "-O2 -flto"
	109	{pr12696-1.cc} {} "pr12696-1r.o" "c"}
	110	{"Build libdummy.a PR ld/12758"
	111	"" ""
	112	{pr12758a.s} {} "libdummy.a"}
	113	{"Build libpr12758.a"
b35d44f1	114	"" "-flto -O2 -ffat-lto-objects"
af55061b L	115	{pr12758b.c} {} "libpr12758.a"}
	116	{"PR ld/12758"
	117	"-O2 -Wl,-e,foo -nostdlib -flto -fuse-linker-plugin tmpdir/pr12758a.o -Wl,--start-group tmpdir/libpr12758.a -Wl,--end-group" ""
	118	{dummy.c} {} "pr12758.exe"}
	119	{"Build libdummy.a PR ld/12760"
	120	"" ""
	121	{pr12760a.c} {} "libdummy.a"}
	122	{"Build libpr12760.a"
b35d44f1	123	"" "-flto -O2 -ffat-lto-objects"
af55061b L	124	{pr12760b.c} {} "libpr12760.a"}
	125	{"PR ld/12760"
	126	"-O2 -Wl,-e,foo -nostdlib -flto -fuse-linker-plugin tmpdir/pr12760a.o -Wl,--start-group tmpdir/libpr12760.a -Wl,--end-group" ""
	127	{dummy.c} {} "pr12760.exe" "c" "warning: Bad bar"}
af55061b	128	{"Build libpr13183.a"
b35d44f1	129	"-T" "-flto -O2 -ffat-lto-objects"
af55061b L	130	{pr13183a.c} {} "libpr13183.a"}
	131	{"Build libdummy.a PR ld/13183"
	132	"" "-flto -O2"
	133	{pr13183b.c} {} "libdummy.a"}
	134	{"Build libdummy.a PR ld/13201"
	135	"" "-flto -O2"
	136	{pr13201.c} {} "libdummy.a"}
	137	{"PR ld/13287"
	138	"-flto -fuse-linker-plugin -Wl,--as-needed" "-flto"
	139	{pr13287.cc} {} "pr13287.exe" "c++"}
61315175	140	{"PR ld/15323"
81fbe831 AM	141	"" "-O2"
81fbe831 AM	142	{pr15323a.c} {} "libdummy.a" "c"}
af55061b L	143	}
af55061b L	144
2810e26c WN	145	if { [at_least_gcc_version 4 7] } {
	146	set lto_link_tests [concat $lto_link_tests {
	147	{"Build libdummy.a PR ld/12942 (1)"
	148	"" "-flto -O2"
	149	{pr12942a.cc pr12942c.cc} {} "libdummy.a" "c++"}
	150	{"Build libdummy.a PR ld/12942 (2)"
	151	"" "-O0"
	152	{pr12942b.cc} {} "libdummy.a" "c++"}
	153	}]
	154	}
	155
af55061b L	156	# Generate input files for complex LTO tests for ELF.
	157	set lto_link_elf_tests {
	158	{"Build libdummy.a 7"
	159	"" "-flto -O2"
	160	{lto-7a.c lto-7b.c lto-7c.c} {} "libdummy.a"}
	161	{"Build liblto-7.so"
	162	"-shared" "-O2 -fpic"
	163	{lto-7d.c} {} "liblto-7.so" "c"}
	164	{"Build libdummy.a 8a"
	165	"" "-O2"
	166	{lto-8a.c} {} "libdummy.a"}
	167	{"Build libdummy.a 8b"
	168	"" "-flto -O2"
	169	{lto-8b.c} {} "libdummy.a"}
	170	{"Build liblto-17a.so"
	171	"-shared -O2 -fpic -flto -fuse-linker-plugin" "-O2 -fpic -flto"
	172	{lto-17a.c} {{"nm" {} "lto-17a.d"}} "liblto-17a.so" "c"}
	173	{"Build liblto-17b.so 1"
	174	"-shared -O2 -fpic -flto -fuse-linker-plugin tmpdir/lto-17a.o" "-O2 -fpic -flto"
	175	{lto-17b.c} {{"nm" {} "lto-17b-1.d"}} "liblto-17b.so"}
	176	{"Build liblto-17b.so 2"
	177	"-shared -O2 -fpic -flto -fuse-linker-plugin tmpdir/lto-17a.o" "-O2 -fpic -flto"
	178	{lto-17b.c} {{"nm" {} "lto-17b-2.d"}} "liblto-17b.so"}
	179	{"PR ld/12982"
	180	"-O2 -flto -fuse-linker-plugin" "-O2 -flto"
	181	{pr12982.c} {{"readelf" {-l --wide} "pr12982.d"}} "pr12982.exe"}
	182	{"PR ld/12975"
	183	"-shared -O2 -fPIC -flto -fuse-linker-plugin -nostdlib -Wl,-version-script,pr12975.t" "-O2 -flto"
	184	{pr12975.c} {{"readelf" {-s --wide} "pr12975.d"}} "pr12975.so" "c"}
	185	{"PR ld/13229"
1178606e	186	"-shared -O2 -fPIC -flto -fuse-linker-plugin -nostdlib" "-O2 -finline -fno-early-inlining -flto"
af55061b L	187	{pr13229.cc} {{"readelf" {-s --wide} "pr13229.d"}} "pr13229.so" "c++"}
	188	{"PR ld/13244"
	189	"-shared -O2 -fPIC -flto -fuse-linker-plugin -nostdlib" "-O2 -fno-early-inlining -flto"
	190	{pr13244.c} {{"readelf" {-s --wide} "pr13244.d"}} "pr13244.so" "c"}
3d5bef4c L	191	{"Build libpr15146a.a"
	192	"" "-flto -O2"
	193	{pr15146a.c} {} "lib15146a.a"}
	194	{"Build pr15146b.so"
	195	"-shared" "-O2 -fpic"
	196	{pr15146b.c} {} "pr15146b.so" "c"}
	197	{"Build pr15146c.so"
53c3509d	198	"-shared -Wl,--no-as-needed tmpdir/pr15146b.so" "-O2 -fpic"
3d5bef4c L	199	{pr15146c.c} {} "pr15146c.so" "c"}
3d5bef4c L	200	{"PR ld/15146 (1)"
53c3509d	201	"-O2 -flto -fuse-linker-plugin -Wl,-rpath-link,. -Wl,--no-copy-dt-needed-entries -Wl,--no-as-needed tmpdir/pr15146a.o tmpdir/pr15146c.so" ""
3d5bef4c L	202	{dummy.c} {{"readelf" {-d} "pr15146.d"}} "pr15146a.exe"}
	203	{"Build libpr15146d.a"
	204	"" "-flto -O2"
	205	{pr15146d.c} {} "lib15146d.a"}
	206	{"Build libpr15146d.a"
	207	"" "-flto -O2"
	208	{pr15146d.c} {} "lib15146d.a"}
af55061b L	209	}
	210
	211	# Check final symbols in executables.
	212	set lto_link_symbol_tests {
	213	{"LTO 3 symbol"
	214	"-O2 -flto -fuse-linker-plugin tmpdir/lto-3a.o tmpdir/lto-3c.o tmpdir/liblto-3.a" ""
	215	{dummy.c} {{"nm" {} "lto-3.d"}} "lto-3.exe" "c"}
	216	{"LTO 5 symbol"
	217	"-O2 -flto -fuse-linker-plugin tmpdir/lto-5.o" ""
	218	{dummy.c} {{"nm" {} "lto-5.d"}} "lto-5.exe" "c"}
	219	{"LTO 9 symbol"
	220	"-O2 -flto -fuse-linker-plugin tmpdir/lto-9.o" ""
	221	{dummy.c} {{"nm" {-C} "lto-9.d"}} "lto-9.exe" "c++"}
	222	{"LTO 16a symbol"
	223	"-O2 -Wl,-e,foo -nostdlib -flto -fuse-linker-plugin" "-flto"
	224	{lto-16a.c} {{"nm" {} "lto-16a.d"}} "lto-16.exe" "c"}
	225	{"LTO 16b symbol"
	226	"-O2 -Wl,-e,foo -u bar -nostdlib -flto -fuse-linker-plugin" "-flto"
	227	{lto-16a.c lto-16b.c} {{"nm" {} "lto-16b.d"}} "lto-16b.exe" "c"}
	228	{"PR ld/13183"
	229	"-O2 -flto -fuse-linker-plugin tmpdir/pr13183b.o tmpdir/libpr13183.a" ""
	230	{dummy.c} {{"nm" {} "pr13183.d"}} "pr13183.exe" "c"}
	231	}
	232
	233	# LTO run-time tests.
	234	set lto_run_tests {
	235	{"LTO 3a"
	236	"-O2 -flto -fuse-linker-plugin tmpdir/lto-3a.o tmpdir/lto-3c.o tmpdir/liblto-3.a" ""
	237	{dummy.c} "lto-3b.exe" "lto-3.out" "" "c"}
	238	{"LTO 3b"
	239	"-O2 -flto -fuse-linker-plugin tmpdir/lto-3a.o tmpdir/lto-3c.o tmpdir/lto-3.o" ""
	240	{dummy.c} "lto-3c.exe" "lto-3.out" "" "c"}
	241	{"LTO 3c"
	242	"-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" ""
	243	{dummy.c} "lto-3d.exe" "lto-3.out" "" "c"}
	244	{"LTO 5"
	245	"-O2 -flto -fuse-linker-plugin tmpdir/lto-5.o" ""
	246	{dummy.c} "lto-5.exe" "lto-5.out" "" "c"}
	247	{"LTO 11"
	248	"-O -flto -fuse-linker-plugin tmpdir/liblto-11.a" ""
	249	{dummy.c} "lto-11.exe" "lto-11.out" "" "c"}
	250	{"LTO 12a"
	251	"-O -flto -fuse-linker-plugin tmpdir/lto-12a.o tmpdir/liblto-12.a tmpdir/lto-12b.o" ""
	252	{dummy.c} "lto-12a.exe" "lto-12.out" "" "c"}
	253	{"LTO 12b"
	254	"-O -flto -fuse-linker-plugin tmpdir/lto-12a.o tmpdir/lto-12b.o tmpdir/liblto-12.a" ""
	255	{dummy.c} "lto-12b.exe" "lto-12.out" "" "c"}
	256	{"LTO 13"
	257	"-O -flto -fuse-linker-plugin tmpdir/lto-13a.o tmpdir/liblto-13.a tmpdir/lto-13b.o" ""
	258	{dummy.c} "lto-13.exe" "lto-13.out" "" "c"}
	259	{"LTO 14"
	260	"-O2 -flto -fuse-linker-plugin tmpdir/lto-14a.o -Wl,--whole-archive tmpdir/liblto-14.a -Wl,--no-whole-archive tmpdir/lto-14b.o" ""
	261	{dummy.c} "lto-14.exe" "lto-14.out" "" "c"}
	262	{"LTO 15"
	263	"-O2 -flto -fuse-linker-plugin -Wl,--start-group tmpdir/liblto-15.a tmpdir/lto-15a.o -Wl,--end-group" ""
	264	{dummy.c} "lto-15.exe" "lto-15.out" "" "c"}
af55061b L	265	{"PR ld/13066"
	266	"-O2 -flto -fuse-linker-plugin" ""
	267	{pr13066.cc} "pr13066.exe" "pr13066.out" "" "c++"}
	268	{"PR ld/13201"
	269	"-O2 -flto -fuse-linker-plugin -Wl,--as-needed tmpdir/pr13201.o -lm" ""
	270	{dummy.c} "pr13201.exe" "pr13201.out" "" "c"}
61315175	271	{"PR ld/15323"
81fbe831	272	"-O2 -flto -fuse-linker-plugin tmpdir/pr15323a.o" ""
61315175	273	{pr15323b.c} "pr15323.exe" "pr15323.out" "-flto -O2" "c"}
af55061b L	274	}
af55061b L	275
2810e26c WN	276	if { [at_least_gcc_version 4 7] } {
	277	set lto_run_tests [concat $lto_run_tests {
	278	{"PR ld/12942 (1)"
	279	"-O2 -flto -fuse-linker-plugin tmpdir/pr12942a.o tmpdir/pr12942b.o" ""
	280	{dummy.c} "pr12942a.exe" "pr12942.out" "" "c++"}
	281	{"PR ld/12942 (2)"
	282	"-O2 -flto -fuse-linker-plugin tmpdir/pr12942a.o tmpdir/pr12942c.o" ""
	283	{dummy.c} "pr12942c.exe" "pr12942.out" "" "c++"}
	284	}]
	285	}
	286
af55061b L	287	# LTO run-time tests for ELF
	288	set lto_run_elf_tests {
	289	{"LTO 7"
53c3509d	290	"-O2 -flto -fuse-linker-plugin tmpdir/lto-7b.o tmpdir/lto-7c.o tmpdir/lto-7a.o -Wl,--no-as-needed tmpdir/liblto-7.so" ""
af55061b L	291	{dummy.c} "lto-7.exe" "lto-7.out" "" "c"}
	292	{"LTO 8"
	293	"-O2 -flto -fuse-linker-plugin tmpdir/lto-8b.o tmpdir/lto-8a.o" ""
	294	{dummy.c} "lto-8.exe" "lto-8.out" "" "c"}
	295	{"LTO TLS IE"
	296	"-O2 -flto -fuse-linker-plugin" ""
	297	{run-ie.c} "run-ie.exe" "run-ie.out" "" "c"}
	298	}
	299
	300	run_cc_link_tests $lto_link_tests
	301
36591ba1 SL	302	# Restrict these to ELF targets that support shared libs and PIC.
	303	if { [is_elf_format]
	304	&& [run_host_cmd_yesno $CC "-shared -fPIC $srcdir/$subdir/dummy.c -o tmpdir/t.so"] } {
af55061b	305	run_cc_link_tests $lto_link_elf_tests
3d5bef4c	306	set testname "PR ld/15146 (2)"
53c3509d	307	set exec_output [run_host_cmd "$CC" "$gcc_gas_flag $gcc_ld_flag -O2 -flto -fuse-linker-plugin -Wl,-rpath-link,. -Wl,--no-copy-dt-needed-entries -Wl,--no-as-needed tmpdir/pr15146d.o tmpdir/pr15146c.so"]
203f0950	308	if { [ regexp "undefined reference to symbol 'xxx'" $exec_output ] } {
3d5bef4c L	309	pass $testname
	310	} {
	311	fail $testname
	312	}
af55061b L	313	}
	314
	315	set testname "Build liblto-11.a"
	316	remote_file host delete "tmpdir/liblto-11.a"
	317	set catch_output [run_host_cmd "$ar" "rc tmpdir/liblto-11.a tmpdir/lto-11a.o tmpdir/lto-11b.o tmpdir/lto-11c.o"]
	318	if {![string match "" $catch_output]} {
	319	unresolved $testname
	320	restore_notify
	321	return
	322	}
	323
2810e26c WN	324	if { [at_least_gcc_version 4 7] } {
	325	# Check expected LTO linker errors.
	326	set testname "PR ld/12942 (3)"
	327	set exec_output [run_host_cmd "$CXX" "$gcc_gas_flag $gcc_ld_flag -O2 -flto -fuse-linker-plugin tmpdir/pr12942b.o tmpdir/pr12942a.o"]
	328	if { [ regexp "undefined reference to `link_error\\(\\)'" $exec_output ] } {
	329	pass $testname
	330	} {
	331	fail $testname
	332	}
af55061b L	333	}
	334
	335	# Run "ld -r" to generate inputs for complex LTO tests.
	336	run_dump_test "lto-3r"
	337	remote_exec host "mv" "tmpdir/dump tmpdir/lto-3.o"
	338	run_dump_test "lto-5r"
	339	remote_exec host "mv" "tmpdir/dump tmpdir/lto-5.o"
	340
	341	run_cc_link_tests $lto_link_symbol_tests
	342
36591ba1 SL	343	# The following tests require running the executable generated by ld.
	344	if ![isnative] {
	345	return
	346	}
	347
af55061b L	348	run_ld_link_exec_tests [] $lto_run_tests
	349
	350	if { [is_elf_format] } {
	351	run_ld_link_exec_tests [] $lto_run_elf_tests
	352	}
	353
	354	restore_notify