*** empty log message ***

4 files changed, 114 insertions, 6 deletions

diff --git a/gold/testsuite/Makefile.am b/gold/testsuite/Makefile.am
index 5afd4b0..ca177bd 100644
--- a/gold/testsuite/Makefile.am
+++ b/gold/testsuite/Makefile.am
@@ -115,6 +115,15 @@ gc_comdat_test: gc_comdat_test_1.o gc_comdat_test_2.o gcctestdir/ld
 gc_comdat_test.stdout: gc_comdat_test
 	$(TEST_NM) -C gc_comdat_test > gc_comdat_test.stdout
 
+check_SCRIPTS += icf_test.sh
+check_DATA += icf_test.stdout
+icf_test.o: icf_test.cc 
+	$(CXXCOMPILE) -O0 -c -ffunction-sections -g -o $@ $<
+icf_test: icf_test.o gcctestdir/ld
+	$(CXXLINK) -Bgcctestdir/ -Wl,--icf icf_test.o
+icf_test.stdout: icf_test
+	$(TEST_NM) -C icf_test > icf_test.stdout
+
 
 check_PROGRAMS += basic_test
 check_PROGRAMS += basic_static_test
diff --git a/gold/testsuite/Makefile.in b/gold/testsuite/Makefile.in
index c108274..d6b43bd 100644
--- a/gold/testsuite/Makefile.in
+++ b/gold/testsuite/Makefile.in
@@ -57,11 +57,12 @@ check_PROGRAMS = object_unittest$(EXEEXT) binary_unittest$(EXEEXT) \
 # Test --dynamic-list, --dynamic-list-data, --dynamic-list-cpp-new,
 # and --dynamic-list-cpp-typeinfo
 @GCC_TRUE@@NATIVE_LINKER_TRUE@am__append_1 = gc_comdat_test.sh \
-@GCC_TRUE@@NATIVE_LINKER_TRUE@	two_file_shared.sh weak_plt.sh \
-@GCC_TRUE@@NATIVE_LINKER_TRUE@	debug_msg.sh undef_symbol.sh \
-@GCC_TRUE@@NATIVE_LINKER_TRUE@	ver_test_1.sh ver_test_2.sh \
-@GCC_TRUE@@NATIVE_LINKER_TRUE@	ver_test_4.sh ver_test_5.sh \
-@GCC_TRUE@@NATIVE_LINKER_TRUE@	ver_test_7.sh ver_test_10.sh \
+@GCC_TRUE@@NATIVE_LINKER_TRUE@	icf_test.sh two_file_shared.sh \
+@GCC_TRUE@@NATIVE_LINKER_TRUE@	weak_plt.sh debug_msg.sh \
+@GCC_TRUE@@NATIVE_LINKER_TRUE@	undef_symbol.sh ver_test_1.sh \
+@GCC_TRUE@@NATIVE_LINKER_TRUE@	ver_test_2.sh ver_test_4.sh \
+@GCC_TRUE@@NATIVE_LINKER_TRUE@	ver_test_5.sh ver_test_7.sh \
+@GCC_TRUE@@NATIVE_LINKER_TRUE@	ver_test_10.sh \
 @GCC_TRUE@@NATIVE_LINKER_TRUE@	ver_matching_test.sh \
 @GCC_TRUE@@NATIVE_LINKER_TRUE@	script_test_3.sh \
 @GCC_TRUE@@NATIVE_LINKER_TRUE@	script_test_4.sh \
@@ -74,6 +75,7 @@ check_PROGRAMS = object_unittest$(EXEEXT) binary_unittest$(EXEEXT) \
 # We also want to make sure we do something reasonable when there's no
 # debug info available.  For the best test, we use .so's.
 @GCC_TRUE@@NATIVE_LINKER_TRUE@am__append_2 = gc_comdat_test.stdout \
+@GCC_TRUE@@NATIVE_LINKER_TRUE@	icf_test.stdout \
 @GCC_TRUE@@NATIVE_LINKER_TRUE@	two_file_shared.dbg \
 @GCC_TRUE@@NATIVE_LINKER_TRUE@	weak_plt_shared.so debug_msg.err \
 @GCC_TRUE@@NATIVE_LINKER_TRUE@	debug_msg_so.err \
@@ -345,7 +347,7 @@ check_PROGRAMS = object_unittest$(EXEEXT) binary_unittest$(EXEEXT) \
 @NATIVE_LINKER_FALSE@	$(am__DEPENDENCIES_1) \
 @NATIVE_LINKER_FALSE@	$(am__DEPENDENCIES_1)
 subdir = testsuite
-DIST_COMMON = $(srcdir)/Makefile.am $(srcdir)/Makefile.in
+DIST_COMMON = $(srcdir)/Makefile.am $(srcdir)/Makefile.in ChangeLog
 ACLOCAL_M4 = $(top_srcdir)/aclocal.m4
 am__aclocal_m4_deps = $(top_srcdir)/../config/depstand.m4 \
 	$(top_srcdir)/../config/gettext-sister.m4 \
@@ -2316,6 +2318,12 @@ uninstall-am: uninstall-info-am
 @GCC_TRUE@@NATIVE_LINKER_TRUE@	$(CXXLINK) -Bgcctestdir/ -Wl,--gc-sections gc_comdat_test_1.o gc_comdat_test_2.o
 @GCC_TRUE@@NATIVE_LINKER_TRUE@gc_comdat_test.stdout: gc_comdat_test
 @GCC_TRUE@@NATIVE_LINKER_TRUE@	$(TEST_NM) -C gc_comdat_test > gc_comdat_test.stdout
+@GCC_TRUE@@NATIVE_LINKER_TRUE@icf_test.o: icf_test.cc 
+@GCC_TRUE@@NATIVE_LINKER_TRUE@	$(CXXCOMPILE) -O0 -c -ffunction-sections -g -o $@ $<
+@GCC_TRUE@@NATIVE_LINKER_TRUE@icf_test: icf_test.o gcctestdir/ld
+@GCC_TRUE@@NATIVE_LINKER_TRUE@	$(CXXLINK) -Bgcctestdir/ -Wl,--icf icf_test.o
+@GCC_TRUE@@NATIVE_LINKER_TRUE@icf_test.stdout: icf_test
+@GCC_TRUE@@NATIVE_LINKER_TRUE@	$(TEST_NM) -C icf_test > icf_test.stdout
 @GCC_TRUE@@NATIVE_LINKER_TRUE@basic_test.o: basic_test.cc
 @GCC_TRUE@@NATIVE_LINKER_TRUE@	$(CXXCOMPILE) -O0 -c -o $@ $<
 @GCC_TRUE@@NATIVE_LINKER_TRUE@basic_test: basic_test.o gcctestdir/ld
diff --git a/gold/testsuite/icf_test.cc b/gold/testsuite/icf_test.cc
new file mode 100644
index 0000000..c7a5ea9
--- /dev/null
+++ b/gold/testsuite/icf_test.cc
@@ -0,0 +1,51 @@
+// icf_test.cc -- a test case for gold
+
+// Copyright 2009 Free Software Foundation, Inc.
+// Written by Sriraman Tallam <tmsriram@google.com>.
+
+// This file is part of gold.
+
+// 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.
+
+// The goal of this program is to verify if identical code folding
+// correctly identifies and folds functions.  folded_func must be
+// folded into kept_func.
+
+int common()
+{
+  return 1;
+}
+
+int kept_func()
+{
+  common();
+  // Recursive call.
+  kept_func();
+  return 1;
+}
+
+int folded_func()
+{
+  common();
+  // Recursive call.
+  folded_func();
+  return 1;
+}
+
+int main()
+{
+  return 0;
+}
diff --git a/gold/testsuite/icf_test.sh b/gold/testsuite/icf_test.sh
new file mode 100755
index 0000000..5f1481c
--- /dev/null
+++ b/gold/testsuite/icf_test.sh
@@ -0,0 +1,40 @@
+#!/bin/sh
+
+# icf_test.sh -- test --icf
+
+# Copyright 2009 Free Software Foundation, Inc.
+# Written by Sriraman Tallam <tmsriram@google.com>.
+
+# This file is part of gold.
+
+# 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.
+
+# The goal of this program is to verify if icf works as expected.
+# File icf_test.cc is in this test. This program checks if the 
+# identical sections are correctly folded.
+
+check()
+{
+    func_addr_1=`grep $2 $1 | awk '{print $1}'`
+    func_addr_2=`grep $3 $1 | awk '{print $1}'`
+    if [ $func_addr_1 != $func_addr_2 ]
+    then
+        echo "Identical Code Folding failed to fold" $2 "and" $3
+	exit 1
+    fi
+}
+
+check icf_test.stdout "folded_func" "kept_func"