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authorMartin Liska <mliska@suse.cz>2017-08-08 13:59:23 +0200
committerMartin Liska <marxin@gcc.gnu.org>2017-08-08 11:59:23 +0000
commitd81e058f5ed20929bfee40fd281e39c80d7fd9e0 (patch)
tree2b911eb5ae54976f4cc25470e20ef171e7f11dec /gcc/testsuite
parenta5c93f53874df217443c718dd5e938783e695871 (diff)
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ICF: properly handle LABEL_DECLs (PR tree-opt/81696).
2017-08-08 Martin Liska <mliska@suse.cz> PR tree-opt/81696 * ipa-icf-gimple.c (func_checker::compare_cst_or_decl): Consider LABEL_DECLs that can be from a different function. 2017-08-08 Martin Liska <mliska@suse.cz> PR tree-opt/81696 * gcc.dg/ipa/pr81696.c: New test. From-SVN: r250951
Diffstat (limited to 'gcc/testsuite')
-rw-r--r--gcc/testsuite/ChangeLog5
-rw-r--r--gcc/testsuite/gcc.dg/ipa/pr81696.c26
2 files changed, 31 insertions, 0 deletions
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index 211e629..360bb03 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,8 @@
+2017-08-08 Martin Liska <mliska@suse.cz>
+
+ PR tree-opt/81696
+ * gcc.dg/ipa/pr81696.c: New test.
+
2017-08-08 Bin Cheng <bin.cheng@arm.com>
PR tree-optimization/81744
diff --git a/gcc/testsuite/gcc.dg/ipa/pr81696.c b/gcc/testsuite/gcc.dg/ipa/pr81696.c
new file mode 100644
index 0000000..2d3d63f
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/ipa/pr81696.c
@@ -0,0 +1,26 @@
+/* { dg-options "-O2 -fdump-ipa-icf-details" } */
+
+int
+main (int argc, char **argv)
+{
+ __label__ lab4, lab5, lab6;
+
+ void foo (void) { goto lab4; }
+ void foo2 (void) { goto lab4; }
+ void bar (void) { goto lab5; }
+ void baz (void) { goto lab6; }
+
+ if (argc)
+ foo ();
+ else
+ foo2 ();
+
+ lab4:;
+ bar ();
+ lab5:;
+ baz ();
+ lab6:;
+ return 0;
+}
+
+/* { dg-final { scan-ipa-dump "Equal symbols: 1" "icf" } } */