1// RUN: %clang_cc1 %s -I%S -triple=x86_64-apple-darwin10 -emit-llvm -o - | FileCheck %s -check-prefix=CHECK -check-prefix=CHECK-BOTH 2// RUN: %clang_cc1 %s -I%S -triple=x86_64-apple-darwin10 -fvisibility hidden -emit-llvm -o - | FileCheck -check-prefix=CHECK-WITH-HIDDEN -check-prefix=CHECK-BOTH %s 3 4#include <typeinfo> 5 6// CHECK-BOTH: _ZTSP1C = internal constant 7// CHECK-BOTH: _ZTS1C = internal constant 8// CHECK-BOTH: _ZTI1C = internal constant 9// CHECK-BOTH: _ZTIP1C = internal constant 10// CHECK-BOTH: _ZTSPP1C = internal constant 11// CHECK-BOTH: _ZTIPP1C = internal constant 12// CHECK-BOTH: _ZTSM1Ci = internal constant 13// CHECK-BOTH: _ZTIM1Ci = internal constant 14// CHECK-BOTH: _ZTSPM1Ci = internal constant 15// CHECK-BOTH: _ZTIPM1Ci = internal constant 16// CHECK-BOTH: _ZTSM1CS_ = internal constant 17// CHECK-BOTH: _ZTIM1CS_ = internal constant 18// CHECK-BOTH: _ZTSM1CPS_ = internal constant 19// CHECK-BOTH: _ZTIM1CPS_ = internal constant 20// CHECK-BOTH: _ZTSM1A1C = internal constant 21// CHECK: _ZTS1A = linkonce_odr constant 22// CHECK-WITH-HIDDEN: _ZTS1A = linkonce_odr hidden constant 23// CHECK: _ZTI1A = linkonce_odr constant 24// CHECK-WITH-HIDDEN: _ZTI1A = linkonce_odr hidden constant 25// CHECK-BOTH: _ZTIM1A1C = internal constant 26// CHECK-BOTH: _ZTSM1AP1C = internal constant 27// CHECK-BOTH: _ZTIM1AP1C = internal constant 28 29// CHECK-WITH-HIDDEN: _ZTSFN12_GLOBAL__N_11DEvE = internal constant 30// CHECK-WITH-HIDDEN: @_ZTSPK2T4 = linkonce_odr hidden constant 31// CHECK-WITH-HIDDEN: @_ZTS2T4 = linkonce_odr hidden constant 32// CHECK-WITH-HIDDEN: @_ZTI2T4 = linkonce_odr hidden constant 33// CHECK-WITH-HIDDEN: @_ZTIPK2T4 = linkonce_odr hidden constant 34// CHECK-WITH-HIDDEN: @_ZTSZ2t5vE1A = internal constant 35// CHECK-WITH-HIDDEN: @_ZTIZ2t5vE1A = internal constant 36// CHECK-WITH-HIDDEN: @_ZTSPZ2t7vE1A = linkonce_odr hidden constant 37// CHECK-WITH-HIDDEN: @_ZTSZ2t7vE1A = linkonce_odr hidden constant 38// CHECK-WITH-HIDDEN: @_ZTIZ2t7vE1A = linkonce_odr hidden constant 39// CHECK-WITH-HIDDEN: @_ZTIPZ2t7vE1A = linkonce_odr hidden constant 40// CHECK-WITH-HIDDEN: @_ZTSZ2t6vE1A = linkonce_odr hidden constant 41// CHECK-WITH-HIDDEN: @_ZTIZ2t6vE1A = linkonce_odr hidden constant 42 43// CHECK: _ZTSN12_GLOBAL__N_11DE = internal constant 44// CHECK: _ZTIN12_GLOBAL__N_11DE = internal constant 45// CHECK: _ZTSPN12_GLOBAL__N_11DE = internal constant 46// CHECK: _ZTIPN12_GLOBAL__N_11DE = internal constant 47// CHECK: _ZTSFN12_GLOBAL__N_11DEvE = internal constant 48// CHECK: _ZTIFN12_GLOBAL__N_11DEvE = internal constant 49// CHECK: _ZTSFvN12_GLOBAL__N_11DEE = internal constant 50// CHECK: _ZTIFvN12_GLOBAL__N_11DEE = internal constant 51// CHECK: _ZTSPFvvE = linkonce_odr constant 52// CHECK: _ZTSFvvE = linkonce_odr constant 53// CHECK: _ZTIFvvE = linkonce_odr constant 54// CHECK: _ZTIPFvvE = linkonce_odr constant 55// CHECK: _ZTSN12_GLOBAL__N_11EE = internal constant 56// CHECK: _ZTIN12_GLOBAL__N_11EE = internal constant 57// CHECK: _ZTSA10_i = linkonce_odr constant 58// CHECK: _ZTIA10_i = linkonce_odr constant 59// CHECK: _ZTI1TILj0EE = linkonce_odr constant 60// CHECK: _ZTI1TILj1EE = weak_odr constant 61// CHECK: _ZTI1TILj2EE = external constant 62// CHECK: _ZTSZ2t5vE1A = internal constant 63// CHECK: _ZTIZ2t5vE1A = internal constant 64// CHECK: _ZTS1B = constant 65// CHECK: _ZTI1B = constant 66// CHECK: _ZTS1F = linkonce_odr constant 67// CHECK: _ZTSPZ2t7vE1A = linkonce_odr constant 68// CHECK: _ZTSZ2t7vE1A = linkonce_odr constant 69// CHECK: _ZTIZ2t7vE1A = linkonce_odr constant 70// CHECK: _ZTIPZ2t7vE1A = linkonce_odr constant 71// CHECK: _ZTSZ2t6vE1A = linkonce_odr constant 72// CHECK: _ZTIZ2t6vE1A = linkonce_odr constant 73 74// CHECK: _ZTIN12_GLOBAL__N_11DE to 75 76// A has no key function, so its RTTI data should be linkonce_odr. 77struct A { }; 78 79// B has a key function defined in the translation unit, so the RTTI data should 80// be emitted in this translation unit and have external linkage. 81struct B : A { 82 virtual void f(); 83}; 84void B::f() { } 85 86// C is an incomplete class type, so any direct or indirect pointer types should have 87// internal linkage, as should the type info for C itself. 88struct C; 89 90void t1() { 91 (void)typeid(C*); 92 (void)typeid(C**); 93 (void)typeid(int C::*); 94 (void)typeid(int C::**); 95 (void)typeid(C C::*); 96 (void)typeid(C *C::*); 97 (void)typeid(C A::*); 98 (void)typeid(C* A::*); 99} 100 101namespace { 102 // D is inside an anonymous namespace, so all type information related to D should have 103 // internal linkage. 104 struct D { }; 105 106 // E is also inside an anonymous namespace. 107 enum E { }; 108 109}; 110 111// F has a key function defined in the translation unit, but it is inline so the RTTI 112// data should be emitted with linkonce_odr linkage. 113struct F { 114 virtual void f(); 115}; 116 117inline void F::f() { } 118const D getD(); 119 120const std::type_info &t2() { 121 (void)typeid(const D); 122 (void)typeid(D *); 123 (void)typeid(D (*)()); 124 (void)typeid(void (*)(D)); 125 (void)typeid(void (*)(D&)); 126 // The exception specification is not part of the RTTI descriptor, so it should not have 127 // internal linkage. 128 (void)typeid(void (*)() throw (D)); 129 130 (void)typeid(E); 131 132 return typeid(getD()); 133} 134 135namespace Arrays { 136 struct A { 137 static const int a[10]; 138 }; 139 const std::type_info &f() { 140 return typeid(A::a); 141 } 142} 143 144template <unsigned N> class T { 145 virtual void anchor() {} 146}; 147template class T<1>; 148template <> class T<2> { virtual void anchor(); }; 149void t3() { 150 (void) typeid(T<0>); 151 (void) typeid(T<1>); 152 (void) typeid(T<2>); 153} 154 155// rdar://problem/8778973 156struct T4 {}; 157void t4(const T4 *ptr) { 158 const void *value = &typeid(ptr); 159} 160 161// rdar://16265084 162void t5() { 163 struct A {}; 164 const void *value = &typeid(A); 165} 166 167inline void t6() { 168 struct A {}; 169 const void *value = &typeid(A); 170} 171void t6_helper() { 172 t6(); 173} 174 175inline void t7() { 176 struct A {}; 177 const void *value = &typeid(A*); 178} 179void t7_helper() { 180 t7(); 181} 182