Factor out devirtualization checking into a separate function and make it handle references correctly.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@83880 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/CodeGenCXX/devirtualize-virtual-function-calls.cpp b/test/CodeGenCXX/devirtualize-virtual-function-calls.cpp
new file mode 100644
index 0000000..19206ae
--- /dev/null
+++ b/test/CodeGenCXX/devirtualize-virtual-function-calls.cpp
@@ -0,0 +1,18 @@
+// RUN: clang-cc %s -emit-llvm -o - | FileCheck %s
+
+struct A {
+ virtual void f();
+};
+
+void f(A a, A *ap, A& ar) {
+ // This should not be a virtual function call.
+
+ // CHECK: call void @_ZN1A1fEv(%struct.A* %a)
+ a.f();
+
+ // CHECK: call void %
+ ap->f();
+
+ // CHECK: call void %
+ ar.f();
+}