Importing netbsd clang -- pristine

Change-Id: Ia40e9ffdf29b5dab2f122f673ff6802a58bc690f

external/bsd/llvm/dist/clang/test/CodeGenCXX/virtual-function-calls.cpp

@@ -0,0 +1,51 @@
+// RUN: %clang_cc1 %s -std=c++11 -emit-llvm -o - | FileCheck %s
+
+// PR5021
+namespace PR5021 {
+
+struct A {
+  virtual void f(char);
+};
+
+void f(A *a) {
+  // CHECK: call void %
+  a->f('c');
+}
+
+struct B : virtual A { 
+  virtual void f();
+};
+
+void f(B * b) {
+  b->f();
+}
+
+}
+
+namespace Test1 {
+  struct A { 
+    virtual ~A(); 
+  };
+
+  struct B : A {
+    virtual ~B();
+    virtual void f();
+  };
+
+  void f(B *b) {
+    b->f();
+  }
+}
+
+namespace VirtualNoreturn {
+  struct A {
+    [[noreturn]] virtual void f();
+  };
+
+  // CHECK: @_ZN15VirtualNoreturn1f
+  void f(A *p) {
+    p->f();
+    // CHECK: call void %{{[^#]*$}}
+    // CHECK-NOT: unreachable
+  }
+}