Add a (currently failing) RTTI layout test.

llvm-svn: 91580

clang/test/CodeGenCXX/rtti-layout.cpp

@@ -0,0 +1,47 @@
+// RUN: %clang_cc1 %s -triple=x86_64-apple-darwin10 -emit-llvm -O3 -o - | FileCheck %s
+#include <typeinfo>
+
+class __pbase_type_info : public std::type_info {
+public:
+  unsigned int __flags;
+  const std::type_info *__pointee;
+
+  enum __masks {
+    __const_mask = 0x1,
+    __volatile_mask = 0x2,
+    __restrict_mask = 0x4,
+    __incomplete_mask = 0x8,
+    __incomplete_class_mask = 0x10
+  };
+};
+
+template<typename T> const T& to(const std::type_info &info) {
+return static_cast<const T&>(info);
+}
+struct Incomplete;
+
+// CHECK: define i32 @_Z1fv()
+int f() {
+  if (to<__pbase_type_info>(typeid(Incomplete *)).__flags != __pbase_type_info::__incomplete_mask)
+    return 1;
+    
+  // Success!
+  return 0;
+}
+
+#ifdef HARNESS
+extern "C" void printf(const char *, ...);
+
+int main() {
+  int result = f();
+  
+  if (result == 0)
+    printf("success!\n");
+  else
+    printf("test %d failed!\n", result);
+
+  return result;
+}
+#endif
+
+