Handle symbols defined/referenced only within IR

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

diff --git a/ld/testsuite/ld-plugin/lto.exp b/ld/testsuite/ld-plugin/lto.exp
index d8e7a1e7392ef40a4df0a506ca4f0bcc4e5d8ac1..6330a178abaa8e0ba4287fc8698d7acddc350393 100644 (file)
--- a/ld/testsuite/ld-plugin/lto.exp
+++ b/ld/testsuite/ld-plugin/lto.exp
@@ -1,5 +1,5 @@
 # Expect script for ld-plugin LTO tests
-#   Copyright (C) 2011-2015 Free Software Foundation, Inc.
+#   Copyright (C) 2011-2016 Free Software Foundation, Inc.
 #
 # This file is part of the GNU Binutils.
 #
@@ -55,8 +55,10 @@ foreach plug $plugin_names {
     }
 }
 set lto_fat ""
+set lto_no_fat ""
 if { [check_lto_fat_available] } {
   set lto_fat "-ffat-lto-objects"
+  set lto_no_fat "-fno-fat-lto-objects"
 }
 
 # Simple LTO tests and generate input files for complex LTO tests.
@@ -88,6 +90,9 @@ set lto_link_tests [list \
   [list "LTO 6" \
    "-O2 -flto -fuse-linker-plugin" "" \
    {lto-6.c} {} "lto-6.exe" "c"] \
+  [list "Compile PR ld/12365" \
+   "" "-flto -O2 $lto_fat" \
+   {pr12365a.c pr12365b.c pr12365c.c} {} ""] \
   [list "Compile 9" \
    "" "-O2 -finline -flto" \
    {lto-9.cc} {} "" "c++"] \
@@ -157,9 +162,12 @@ set lto_link_tests [list \
   [list "PR ld/13287" \
    "-flto -fuse-linker-plugin -Wl,--as-needed" "-flto" \
    {pr13287.cc} {} "pr13287.exe" "c++"] \
-  [list "PR ld/15323" \
+  [list "PR ld/15323 (1)" \
    "" "-O2" \
    {pr15323a.c} {} "" "c"] \
+  [list "PR ld/15323 (2)" \
+   "-O2 -flto -r -nostdlib" "-O2 -flto" \
+   {pr15323a.c} {} "pr15323a-r.o" "c"] \
   [list "Compile(1) PR ld/pr16846" \
    "" "-flto" \
    {pr16846a.c pr16846b.c} {} ""] \
@@ -172,6 +180,9 @@ set lto_link_tests [list \
   [list "PR ld/pr16846(2)" \
    "-flto -fuse-linker-plugin tmpdir/pr16846a.o tmpdir/pr16846c.o tmpdir/pr16846b.o" "" \
    {dummy.c} {} "pr16846b.exe"] \
+  [list "PR ld/19317 (1)" \
+   "$plug_opt" "-flto $lto_no_fat" \
+   {pr19317.c} {} "libpr19317.a"] \
 ]
 
 if { [at_least_gcc_version 4 7] } {
@@ -247,6 +258,9 @@ set lto_link_elf_tests [list \
   [list "PR ld/16746 (2)" \
    "-O2 -flto -fuse-linker-plugin tmpdir/pr16746c.o tmpdir/pr16746a.o" "-O2 -flto" \
    {dummy.c} {} "pr16746b.exe"] \
+  [list "PR ld/14918" \
+   "-flto" "-flto" \
+   {pr14918.c} {{"readelf" {-d --wide} "pr14918.d"}} "pr14918.exe" "c"] \
 ]
 
 # Check final symbols in executables.
@@ -309,9 +323,15 @@ set lto_run_tests [list \
   [list "PR ld/13201" \
    "-O2 -flto -fuse-linker-plugin -Wl,--as-needed tmpdir/pr13201.o -lm" "" \
    {dummy.c} "pr13201.exe" "pr13201.out" "" "c"] \
-  [list "PR ld/15323" \
+  [list "PR ld/15323 (3)" \
    "-O2 -flto -fuse-linker-plugin tmpdir/pr15323a.o" "" \
    {pr15323b.c} "pr15323.exe" "pr15323.out" "-flto -O2" "c"] \
+  [list "PR ld/15323 (4)" \
+   "-O2 -flto tmpdir/pr15323a-r.o" "" \
+   {dummy.c} "pr15323a.exe" "pr15323.out" "-flto -O2" "c"] \
+  [list "PR ld/19317 (3)" \
+   "-O2 -flto tmpdir/pr19317-r.o" "" \
+   {dummy.c} "pr19317.exe" "pr19317.out" "-flto -O2" "c"] \
 ]
 
 if { [at_least_gcc_version 4 7] } {
@@ -377,6 +397,35 @@ if {![string match "" $catch_output]} {
 
 if { [at_least_gcc_version 4 7] } {
     # Check expected LTO linker errors.
+    # Since the asm symbol name hack in pr12365b.c doesn't work on all
+    # targets, run PR ld/12365 tests only for known targets.
+    if { ([istarget "i?86-*-elf*"]
+          || (([istarget "i?86-*-linux*"] || [istarget "i?86-*-gnu*"])
+               && ![istarget "*-*-*aout*"]
+               && ![istarget "*-*-*oldld*"])
+          || [istarget "i?86-*-nacl*"]
+          || [istarget "x86_64-*-nacl*"]
+          || [istarget "x86_64-*-linux*"]
+          || [istarget "amd64-*-linux*"]) } {
+       set testname "PR ld/12365"
+       set exec_output [run_host_cmd "$CC" "-O2 -flto -flto-partition=none -fuse-linker-plugin -o tmpdir/pr12365 tmpdir/pr12365a.o tmpdir/pr12365b.o tmpdir/pr12365c.o"]
+       if { [ regexp "undefined reference to `my_bcopy'" $exec_output ] } {
+           # Linker should catch the reference to undefined `my_bcopy'
+           # error caused by a GCC bug.
+           pass $testname
+       } elseif { [ string match "" $exec_output ] } {
+           global READELF
+           set exec_output [run_host_cmd "$READELF" "-s -W tmpdir/pr12365"]
+           if { [ regexp "my_bcopy" $exec_output ] } {
+               # Verify that there is no `my_bcopy' symbol in executable.
+               fail $testname
+           } {
+               pass $testname
+           }
+       } {
+           fail $testname
+       }
+    }
     set testname "PR ld/12942 (3)"
     set exec_output [run_host_cmd "$CXX" "-O2 -flto -fuse-linker-plugin tmpdir/pr12942b.o tmpdir/pr12942a.o"]
     if { [ regexp "undefined reference to `link_error\\(\\)'" $exec_output ] } {
@@ -394,6 +443,12 @@ remote_exec host "mv" "tmpdir/dump tmpdir/lto-5.o"
 
 run_cc_link_tests $lto_link_symbol_tests
 
+run_ld_link_tests [list \
+  [list "PR ld/19317 (2)" \
+   "-r tmpdir/pr19317.o" "" "" \
+   {dummy.s} {} "pr19317-r.o"] \
+]
+
 # The following tests require running the executable generated by ld.
 if ![isnative] {
     return