clang/test/CodeGenCXX/typeid.cpp

   1 // RUN: %clang_cc1 -I%S %s -triple x86_64-apple-darwin10 -emit-llvm -fcxx-exceptions -fexceptions -o - | FileCheck %s
   2 #include <typeinfo>
   3
   4 namespace Test1 {
   5
   6 // PR7400
   7 struct A { virtual void f(); };
   8
   9 // CHECK: @_ZN5Test16int_tiE ={{.*}} constant %"class.std::type_info"* bitcast (i8** @_ZTIi to %"class.std::type_info"*), align 8
  10 const std::type_info &int_ti = typeid(int);
  11
  12 // CHECK: @_ZN5Test14A_tiE ={{.*}} constant %"class.std::type_info"* bitcast (i8** @_ZTIN5Test11AE to %"class.std::type_info"*), align 8
  13 const std::type_info &A_ti = typeid(const volatile A &);
  14
  15 volatile char c;
  16
  17 // CHECK: @_ZN5Test14c_tiE ={{.*}} constant %"class.std::type_info"* bitcast (i8** @_ZTIc to %"class.std::type_info"*), align 8
  18 const std::type_info &c_ti = typeid(c);
  19
  20 extern const double &d;
  21
  22 // CHECK: @_ZN5Test14d_tiE ={{.*}} constant %"class.std::type_info"* bitcast (i8** @_ZTId to %"class.std::type_info"*), align 8
  23 const std::type_info &d_ti = typeid(d);
  24
  25 extern A &a;
  26
  27 // CHECK: @_ZN5Test14a_tiE ={{.*}} global
  28 const std::type_info &a_ti = typeid(a);
  29
  30 // CHECK: @_ZN5Test18A10_c_tiE ={{.*}} constant %"class.std::type_info"* bitcast ({ i8*, i8* }* @_ZTIA10_c to %"class.std::type_info"*), align 8
  31 const std::type_info &A10_c_ti = typeid(char const[10]);
  32
  33 // CHECK-LABEL: define{{.*}} i8* @_ZN5Test11fEv
  34 // CHECK-SAME:  personality i8* bitcast (i32 (...)* @__gxx_personality_v0 to i8*)
  35 const char *f() {
  36   try {
  37     // CHECK: br i1
  38     // CHECK: invoke void @__cxa_bad_typeid() [[NR:#[0-9]+]]
  39     return typeid(*static_cast<A *>(0)).name();
  40   } catch (...) {
  41     // CHECK:      landingpad { i8*, i32 }
  42     // CHECK-NEXT:   catch i8* null
  43   }
  44
  45   return 0;
  46 }
  47
  48 }
  49
  50 // CHECK: attributes [[NR]] = { noreturn }