clang/test/CodeGenCXX/rtti-visibility.cpp

   1 // RUN: %clang_cc1 %s -I%S -triple=x86_64-apple-darwin10 -emit-llvm -o %t
   2 // RUN: FileCheck --check-prefix=CHECK-TEST1 %s < %t
   3 // RUN: FileCheck --check-prefix=CHECK-TEST2 %s < %t
   4
   5 #include <typeinfo>
   6
   7 namespace Test1 {
   8   // A is explicitly marked hidden, so all RTTI data should also be marked hidden.
   9   // CHECK-TEST1: @_ZTSN5Test11AE = linkonce_odr hidden constant
  10   // CHECK-TEST1: @_ZTIN5Test11AE = linkonce_odr hidden constant
  11   // CHECK-TEST1: @_ZTSPN5Test11AE = linkonce_odr hidden constant
  12   // CHECK-TEST1: @_ZTIPN5Test11AE = linkonce_odr hidden constant
  13   struct __attribute__((visibility("hidden"))) A { };
  14
  15   void f() {
  16     (void)typeid(A);
  17     (void)typeid(A *);
  18   }
  19 }
  20
  21 namespace Test2 {
  22   // A is weak, so its linkage should be linkoce_odr, but not marked hidden.
  23   // CHECK-TEST2: @_ZTSN5Test21AE = linkonce_odr constant
  24   // CHECK-TEST2: @_ZTIN5Test21AE = linkonce_odr constant
  25   struct A { };
  26   void f() {
  27     (void)typeid(A);
  28   }
  29 }