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 | |