Initial checkin of GCC 4.9.0 from trunk (r208799).

Change-Id: I48a3c08bb98542aa215912a75f03c0890e497dba

1 files changed, 84 insertions, 0 deletions

diff --git a/gcc-4.9/gcc/testsuite/g++.dg/ipa/devirt-c-2.C b/gcc-4.9/gcc/testsuite/g++.dg/ipa/devirt-c-2.C
new file mode 100644
index 0000000..b9a36e2
--- /dev/null
+++ b/gcc-4.9/gcc/testsuite/g++.dg/ipa/devirt-c-2.C
@@ -0,0 +1,84 @@
+/* Verify that ipa-cp correctly detects the dynamic type of an object
+   under construction when doing devirtualization.  */
+/* { dg-do run } */
+/* { dg-options "-O3 -fno-early-inlining -fno-inline -fdump-ipa-cp -fdump-tree-optimized"  } */
+
+extern "C" void abort (void);
+
+class Distraction
+{
+public:
+  float f;
+  double d;
+  Distraction ()
+  {
+    f = 8.3;
+    d = 10.2;
+  }
+  virtual float bar (float z);
+};
+
+class A
+{
+public:
+  int data;
+  A();
+  virtual int foo (int i);
+};
+
+class B : public Distraction, public A
+{
+public:
+  virtual int foo (int i);
+};
+
+float Distraction::bar (float z)
+{
+  f += z;
+  return f/2;
+}
+
+int A::foo (int i)
+{
+  return i + 1;
+}
+
+int B::foo (int i)
+{
+  return i + 2;
+}
+
+int __attribute__ ((noinline,noclone)) get_input(void)
+{
+  return 1;
+}
+
+static int middleman (class A *obj, int i)
+{
+  return obj->foo (i);
+}
+
+A::A()
+{
+  if (middleman (this, get_input ()) != 2)
+    abort ();
+}
+
+static void bah ()
+{
+  class B b;
+}
+
+int main (int argc, char *argv[])
+{
+  int i;
+
+  for (i = 0; i < 10; i++)
+    bah ();
+  return 0;
+}
+
+/* { dg-final { scan-ipa-dump "Discovered a virtual call to a known target.*A::foo"  "cp"  } } */
+/* { dg-final { scan-tree-dump-times "OBJ_TYPE_REF" 0 "optimized"} } */
+/* { dg-final { cleanup-ipa-dump "cp" } } */
+/* { dg-final { cleanup-tree-dump "optimized" } } */