1 // RUN: %clang_cc1 %s -I%S -triple=x86_64-apple-darwin10 -fhidden-weak-vtables -emit-llvm -o - | FileCheck %s 2 // RUN: %clang_cc1 %s -I%S -triple=x86_64-apple-darwin10 -fvisibility hidden -fhidden-weak-vtables -emit-llvm -o - | FileCheck -check-prefix=CHECK-WITH-HIDDEN %s 3 4 #include <typeinfo> 5 6 // CHECK-WITH-HIDDEN: _ZTSFN12_GLOBAL__N_11DEvE = internal constant 7 // CHECK-WITH-HIDDEN: @_ZTSPK2T4 = linkonce_odr hidden constant 8 // CHECK-WITH-HIDDEN: @_ZTS2T4 = linkonce_odr hidden constant 9 // CHECK-WITH-HIDDEN: @_ZTI2T4 = linkonce_odr hidden unnamed_addr constant 10 // CHECK-WITH-HIDDEN: @_ZTIPK2T4 = linkonce_odr hidden unnamed_addr constant 11 12 // CHECK: _ZTSP1C = internal constant 13 // CHECK: _ZTS1C = internal constant 14 // CHECK: _ZTI1C = internal unnamed_addr constant 15 // CHECK: _ZTIP1C = internal unnamed_addr constant 16 // CHECK: _ZTSPP1C = internal constant 17 // CHECK: _ZTIPP1C = internal unnamed_addr constant 18 // CHECK: _ZTSM1Ci = internal constant 19 // CHECK: _ZTIM1Ci = internal unnamed_addr constant 20 // CHECK: _ZTSPM1Ci = internal constant 21 // CHECK: _ZTIPM1Ci = internal unnamed_addr constant 22 // CHECK: _ZTSM1CS_ = internal constant 23 // CHECK: _ZTIM1CS_ = internal unnamed_addr constant 24 // CHECK: _ZTSM1CPS_ = internal constant 25 // CHECK: _ZTIM1CPS_ = internal unnamed_addr constant 26 // CHECK: _ZTSM1A1C = internal constant 27 // CHECK: _ZTS1A = linkonce_odr constant 28 // CHECK: _ZTI1A = linkonce_odr hidden unnamed_addr constant 29 // CHECK: _ZTIM1A1C = internal unnamed_addr constant 30 // CHECK: _ZTSM1AP1C = internal constant 31 // CHECK: _ZTIM1AP1C = internal unnamed_addr constant 32 // CHECK: _ZTSN12_GLOBAL__N_11DE = internal constant 33 // CHECK: _ZTIN12_GLOBAL__N_11DE = internal unnamed_addr constant 34 // CHECK: _ZTSPN12_GLOBAL__N_11DE = internal constant 35 // CHECK: _ZTIPN12_GLOBAL__N_11DE = internal unnamed_addr constant 36 // CHECK: _ZTSFN12_GLOBAL__N_11DEvE = internal constant 37 // CHECK: _ZTIFN12_GLOBAL__N_11DEvE = internal unnamed_addr constant 38 // CHECK: _ZTSFvN12_GLOBAL__N_11DEE = internal constant 39 // CHECK: _ZTIFvN12_GLOBAL__N_11DEE = internal unnamed_addr constant 40 // CHECK: _ZTSPFvvE = linkonce_odr constant 41 // CHECK: _ZTSFvvE = linkonce_odr constant 42 // CHECK: _ZTIFvvE = linkonce_odr hidden unnamed_addr constant 43 // CHECK: _ZTIPFvvE = linkonce_odr hidden unnamed_addr constant 44 // CHECK: _ZTSN12_GLOBAL__N_11EE = internal constant 45 // CHECK: _ZTIN12_GLOBAL__N_11EE = internal unnamed_addr constant 46 // CHECK: _ZTSA10_i = linkonce_odr constant 47 // CHECK: _ZTIA10_i = linkonce_odr hidden unnamed_addr constant 48 // CHECK: _ZTI1TILj0EE = linkonce_odr unnamed_addr constant 49 // CHECK: _ZTI1TILj1EE = weak_odr unnamed_addr constant 50 // CHECK: _ZTI1TILj2EE = external constant 51 // CHECK: _ZTS1B = constant 52 // CHECK: _ZTI1B = unnamed_addr constant 53 // CHECK: _ZTS1F = linkonce_odr constant 54 55 // CHECK: _ZTIN12_GLOBAL__N_11DE to 56 57 // A has no key function, so its RTTI data should be linkonce_odr. 58 struct A { }; 59 60 // B has a key function defined in the translation unit, so the RTTI data should 61 // be emitted in this translation unit and have external linkage. 62 struct B : A { 63 virtual void f(); 64 }; 65 void B::f() { } 66 67 // C is an incomplete class type, so any direct or indirect pointer types should have 68 // internal linkage, as should the type info for C itself. 69 struct C; 70 71 void t1() { 72 (void)typeid(C*); 73 (void)typeid(C**); 74 (void)typeid(int C::*); 75 (void)typeid(int C::**); 76 (void)typeid(C C::*); 77 (void)typeid(C *C::*); 78 (void)typeid(C A::*); 79 (void)typeid(C* A::*); 80 } 81 82 namespace { 83 // D is inside an anonymous namespace, so all type information related to D should have 84 // internal linkage. 85 struct D { }; 86 87 // E is also inside an anonymous namespace. 88 enum E { }; 89 90 }; 91 92 // F has a key function defined in the translation unit, but it is inline so the RTTI 93 // data should be emitted with linkonce_odr linkage. 94 struct F { 95 virtual void f(); 96 }; 97 98 inline void F::f() { } 99 const D getD(); 100 101 const std::type_info &t2() { 102 (void)typeid(const D); 103 (void)typeid(D *); 104 (void)typeid(D (*)()); 105 (void)typeid(void (*)(D)); 106 (void)typeid(void (*)(D&)); 107 // The exception specification is not part of the RTTI descriptor, so it should not have 108 // internal linkage. 109 (void)typeid(void (*)() throw (D)); 110 111 (void)typeid(E); 112 113 return typeid(getD()); 114 } 115 116 namespace Arrays { 117 struct A { 118 static const int a[10]; 119 }; 120 const std::type_info &f() { 121 return typeid(A::a); 122 } 123 } 124 125 template <unsigned N> class T { 126 virtual void anchor() {} 127 }; 128 template class T<1>; 129 template <> class T<2> { virtual void anchor(); }; 130 void t3() { 131 (void) typeid(T<0>); 132 (void) typeid(T<1>); 133 (void) typeid(T<2>); 134 } 135 136 // rdar://problem/8778973 137 struct T4 {}; 138 void t4(const T4 *ptr) { 139 const void *value = &typeid(ptr); 140 } 141
