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-rw-r--r--gcc/testsuite/g++.dg/ipa/devirt-11.C50
1 files changed, 50 insertions, 0 deletions
diff --git a/gcc/testsuite/g++.dg/ipa/devirt-11.C b/gcc/testsuite/g++.dg/ipa/devirt-11.C
new file mode 100644
index 00000000000..c139f8f9633
--- /dev/null
+++ b/gcc/testsuite/g++.dg/ipa/devirt-11.C
@@ -0,0 +1,50 @@
+/* { dg-do compile } */
+/* { dg-options "-O2 -fdump-ipa-inline" } */
+int baz ();
+struct A
+{
+ virtual int fn2 () = 0;
+ virtual int *fn3 ();
+ double *fn4 ();
+ int fn5 (int);
+ template <class T>
+ void fn1 (A &, T) { fn3 (); fn4 (); fn2 (); }
+};
+struct B : A
+{
+ int fn2 () { return 6; }
+ void fn3 (int, double);
+ B (bool = true);
+ B (int, int);
+};
+template <typename T>
+void
+foo (B &x, A &y, A &z)
+{
+ y.fn2 ();
+ z.fn2 ();
+ int i = baz ();
+ int j = (y.fn3 ())[i];
+ x.fn3 (j, (y.fn4 ())[i] + (z.fn4 ())[z.fn5 (j)]);
+}
+inline B
+operator+ (A &y, A &z)
+{
+ B x;
+ foo<int> (x, y, z);
+ return x;
+}
+void
+bar ()
+{
+ B a, b, c (4, 0), d;
+ a.fn1 (b, .6);
+ baz ();
+ c + d;
+}
+/* While inlining function called once we should devirtualize a new call to fn2
+ and two to fn3. While doing so the new symbol for fn2 needs to be
+ introduced. */
+/* { dg-final { scan-ipa-dump-times "Discovered a virtual call to a known target" 3 "inline" } } */
+/* { dg-final { scan-ipa-dump-times "and turned into root of the clone tree" 1 "inline" } } */
+/* { dg-final { cleanup-ipa-dump "inline" } } */