From 167832599913878e6c432047d270691dee0e6c7d Mon Sep 17 00:00:00 2001
From: hubicka <hubicka@138bc75d-0d04-0410-961f-82ee72b054a4>
Date: Sun, 1 Sep 2013 17:06:40 +0000
Subject: [PATCH] 	* g++.dg/ipa/devirt-15.C: New testcase.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@202153 138bc75d-0d04-0410-961f-82ee72b054a4
---
 gcc/testsuite/ChangeLog              |  4 ++++
 gcc/testsuite/g++.dg/ipa/devirt-15.C | 40 ++++++++++++++++++++++++++++++++++++
 2 files changed, 44 insertions(+)
 create mode 100644 gcc/testsuite/g++.dg/ipa/devirt-15.C

diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index c42a3dae39c..7ff5882d6b9 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,7 @@
+2013-09-01  Jan Hubicka  <jh@suse.cz>	
+
+	* g++.dg/ipa/devirt-15.C: New testcase.
+
 2013-09-01  Eric Botcazou  <ebotcazou@adacore.com>
 
 	* gnat.dg/specs/linker_alias.ads: Skip on Darwin.
diff --git a/gcc/testsuite/g++.dg/ipa/devirt-15.C b/gcc/testsuite/g++.dg/ipa/devirt-15.C
new file mode 100644
index 00000000000..f9cd3ae5a67
--- /dev/null
+++ b/gcc/testsuite/g++.dg/ipa/devirt-15.C
@@ -0,0 +1,40 @@
+/* Check that we speculatively devirutalize call to FOO to B::foo becuase
+   A is noreturn.  */
+/* { dg-do compile } */
+/* { dg-options "-O2 -fdump-ipa-devirt"  } */
+class A {
+public:
+  virtual int foo(void)
+    {
+      throw (1);
+      return 0;
+    }
+};
+
+
+class B : public A {
+public:
+  virtual int foo(void);
+};
+
+int
+B::foo(void)
+{
+  return 1;
+}
+class A a, *b=&a;
+void
+m(void)
+{
+  b->foo();
+}
+main()
+{
+  m();
+}
+
+/* { dg-final { scan-ipa-dump "Speculatively devirtualizing call" "devirt"} } */
+/* { dg-final { cleanup-ipa-dump "devirt" } } */
+/* Match if (PROF_6 == foo) to verify that the speculation survived.  */
+/* { dg-final { scan-tree-dump "== foo" "optimized"} } */
+/* { dg-final { cleanup-tree-dump "optimized" } } */
-- 
2.11.4.GIT