clang/test/CodeGenCXX/microsoft-no-rtti-data.cpp

   1 // RUN: %clang_cc1 %s -fno-rtti-data -triple=i386-pc-win32 -o - -emit-llvm | FileCheck %s
   2
   3 // vftable shouldn't have RTTI data in it.
   4 // CHECK-NOT: @"??_R4S@@6B@"
   5 // CHECK: @"??_7S@@6B@" = linkonce_odr unnamed_addr constant { [1 x ptr] } { [1 x ptr] [ptr @"??_GS@@UAEPAXI@Z"] }, comdat
   6
   7 struct type_info;
   8 namespace std { using ::type_info; }
   9
  10 struct S {
  11   virtual ~S();
  12 } s;
  13
  14 struct U : S {
  15   virtual ~U();
  16 };
  17
  18 extern S *getS();
  19
  20 const std::type_info &ti = typeid(*getS());
  21 const U &u = dynamic_cast<U &>(*getS());
  22 // CHECK: call ptr @__RTDynamicCast(ptr %{{.+}}, i32 0, ptr @"??_R0?AUS@@@8", ptr @"??_R0?AUU@@@8", i32 1)