| 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: @_ZTSZ2t6vE1A = linkonce_odr hidden constant |
| 37 | // CHECK-WITH-HIDDEN: @_ZTIZ2t6vE1A = linkonce_odr hidden constant |
| 38 | // CHECK-WITH-HIDDEN: @_ZTSPZ2t7vE1A = linkonce_odr hidden constant |
| 39 | // CHECK-WITH-HIDDEN: @_ZTSZ2t7vE1A = linkonce_odr hidden constant |
| 40 | // CHECK-WITH-HIDDEN: @_ZTIZ2t7vE1A = linkonce_odr hidden constant |
| 41 | // CHECK-WITH-HIDDEN: @_ZTIPZ2t7vE1A = 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: _ZTSZ2t6vE1A = linkonce_odr constant |
| 68 | // CHECK: _ZTIZ2t6vE1A = linkonce_odr constant |
| 69 | // CHECK: _ZTSPZ2t7vE1A = linkonce_odr constant |
| 70 | // CHECK: _ZTSZ2t7vE1A = linkonce_odr constant |
| 71 | // CHECK: _ZTIZ2t7vE1A = linkonce_odr constant |
| 72 | // CHECK: _ZTIPZ2t7vE1A = 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. |
| 77 | struct 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. |
| 81 | struct B : A { |
| 82 | virtual void f(); |
| 83 | }; |
| 84 | void 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. |
| 88 | struct C; |
| 89 | |
| 90 | void 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 | |
| 101 | namespace { |
| 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. |
| 113 | struct F { |
| 114 | virtual void f(); |
| 115 | }; |
| 116 | |
| 117 | inline void F::f() { } |
| 118 | const D getD(); |
| 119 | |
| 120 | const 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 | |
| 135 | namespace 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 | |
| 144 | template <unsigned N> class T { |
| 145 | virtual void anchor() {} |
| 146 | }; |
| 147 | template class T<1>; |
| 148 | template <> class T<2> { virtual void anchor(); }; |
| 149 | void t3() { |
| 150 | (void) typeid(T<0>); |
| 151 | (void) typeid(T<1>); |
| 152 | (void) typeid(T<2>); |
| 153 | } |
| 154 | |
| 155 | // rdar://problem/8778973 |
| 156 | struct T4 {}; |
| 157 | void t4(const T4 *ptr) { |
| 158 | const void *value = &typeid(ptr); |
| 159 | } |
| 160 | |
| 161 | // rdar://16265084 |
| 162 | void t5() { |
| 163 | struct A {}; |
| 164 | const void *value = &typeid(A); |
| 165 | } |
| 166 | |
| 167 | inline void t6() { |
| 168 | struct A {}; |
| 169 | const void *value = &typeid(A); |
| 170 | } |
| 171 | void t6_helper() { |
| 172 | t6(); |
| 173 | } |
| 174 | |
| 175 | inline void t7() { |
| 176 | struct A {}; |
| 177 | const void *value = &typeid(A*); |
| 178 | } |
| 179 | void t7_helper() { |
| 180 | t7(); |
| 181 | } |
| 182 | |