1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
|
// RUN: %clang_cc1 %s -triple=armv7-unknown-unknown -emit-llvm -o - | FileCheck %s
// RUN: %clang_cc1 %s -triple=armv7-unknown-unknown -emit-llvm -o - | FileCheck -check-prefix=CHECK-LATE %s
// The 'a' variants ask for the vtable first.
// The 'b' variants ask for the vtable second.
// The 'c' variants ask for the vtable third.
// We do a separate CHECK-LATE pass because the RTTI definition gets
// changed after the fact, which causes reordering of the globals.
// These are not separated into namespaces because the way that Sema
// currently reports namespaces to IR-generation (i.e., en masse for
// the entire namespace at once) subverts the ordering that we're
// trying to test.
namespace std { class type_info; }
extern void use(const std::type_info &rtti);
/*** Test0a ******************************************************************/
struct Test0a {
Test0a();
virtual inline void foo();
virtual void bar();
};
// V-table should be defined externally.
Test0a::Test0a() { use(typeid(Test0a)); }
// CHECK: @_ZTV6Test0a = external unnamed_addr constant
// CHECK: @_ZTI6Test0a = external constant
// This is still not a key function.
void Test0a::foo() {}
/*** Test0b ******************************************************************/
struct Test0b {
Test0b();
virtual inline void foo();
virtual void bar();
};
// This is still not a key function.
void Test0b::foo() {}
// V-table should be defined externally.
Test0b::Test0b() { use(typeid(Test0b)); }
// CHECK: @_ZTV6Test0b = external unnamed_addr constant
// CHECK: @_ZTI6Test0b = external constant
/*** Test1a ******************************************************************/
struct Test1a {
Test1a();
virtual void foo();
virtual void bar();
};
// V-table should be defined externally.
Test1a::Test1a() { use(typeid(Test1a)); }
// CHECK: @_ZTV6Test1a = external unnamed_addr constant
// CHECK: @_ZTI6Test1a = external constant
// 'bar' becomes the key function when 'foo' is defined inline.
inline void Test1a::foo() {}
/*** Test1b ******************************************************************/
struct Test1b {
Test1b();
virtual void foo();
virtual void bar();
};
// 'bar' becomes the key function when 'foo' is defined inline.
inline void Test1b::foo() {}
// V-table should be defined externally.
Test1b::Test1b() { use(typeid(Test1b)); }
// CHECK: @_ZTV6Test1b = external unnamed_addr constant
// CHECK: @_ZTI6Test1b = external constant
/*** Test2a ******************************************************************/
struct Test2a {
Test2a();
virtual void foo();
virtual void bar();
};
// V-table should be defined with strong linkage.
Test2a::Test2a() { use(typeid(Test2a)); }
// CHECK: @_ZTV6Test2a = unnamed_addr constant
// CHECK-LATE: @_ZTS6Test2a = constant
// CHECK-LATE: @_ZTI6Test2a = constant
// 'bar' becomes the key function when 'foo' is defined inline.
void Test2a::bar() {}
inline void Test2a::foo() {}
/*** Test2b ******************************************************************/
struct Test2b {
Test2b();
virtual void foo();
virtual void bar();
};
// 'bar' becomes the key function when 'foo' is defined inline.
void Test2b::bar() {}
// V-table should be defined with strong linkage.
Test2b::Test2b() { use(typeid(Test2b)); }
// CHECK: @_ZTV6Test2b = unnamed_addr constant
// CHECK-LATE: @_ZTS6Test2b = constant
// CHECK-LATE: @_ZTI6Test2b = constant
inline void Test2b::foo() {}
/*** Test2c ******************************************************************/
struct Test2c {
Test2c();
virtual void foo();
virtual void bar();
};
// 'bar' becomes the key function when 'foo' is defined inline.
void Test2c::bar() {}
inline void Test2c::foo() {}
// V-table should be defined with strong linkage.
Test2c::Test2c() { use(typeid(Test2c)); }
// CHECK: @_ZTV6Test2c = unnamed_addr constant
// CHECK: @_ZTS6Test2c = constant
// CHECK: @_ZTI6Test2c = constant
/*** Test3a ******************************************************************/
struct Test3a {
Test3a();
virtual void foo();
virtual void bar();
};
// V-table should be defined with weak linkage.
Test3a::Test3a() { use(typeid(Test3a)); }
// CHECK: @_ZTV6Test3a = linkonce_odr unnamed_addr constant
// CHECK-LATE: @_ZTS6Test3a = linkonce_odr constant
// CHECK-LATE: @_ZTI6Test3a = linkonce_odr constant
// There ceases to be a key function after these declarations.
inline void Test3a::bar() {}
inline void Test3a::foo() {}
/*** Test3b ******************************************************************/
struct Test3b {
Test3b();
virtual void foo();
virtual void bar();
};
// There ceases to be a key function after these declarations.
inline void Test3b::bar() {}
// V-table should be defined with weak linkage.
Test3b::Test3b() { use(typeid(Test3b)); }
// CHECK: @_ZTV6Test3b = linkonce_odr unnamed_addr constant
// CHECK-LATE: @_ZTS6Test3b = linkonce_odr constant
// CHECK-LATE: @_ZTI6Test3b = linkonce_odr constant
inline void Test3b::foo() {}
/*** Test3c ******************************************************************/
struct Test3c {
Test3c();
virtual void foo();
virtual void bar();
};
// There ceases to be a key function after these declarations.
inline void Test3c::bar() {}
inline void Test3c::foo() {}
// V-table should be defined with weak linkage.
Test3c::Test3c() { use(typeid(Test3c)); }
// CHECK: @_ZTV6Test3c = linkonce_odr unnamed_addr constant
// CHECK: @_ZTS6Test3c = linkonce_odr constant
// CHECK: @_ZTI6Test3c = linkonce_odr constant
/*** Test4a ******************************************************************/
template <class T> struct Test4a {
Test4a();
virtual void foo();
virtual void bar();
};
// V-table should be defined with weak linkage.
template <> Test4a<int>::Test4a() { use(typeid(Test4a)); }
// CHECK: @_ZTV6Test4aIiE = linkonce_odr unnamed_addr constant
// CHECK: @_ZTS6Test4aIiE = linkonce_odr constant
// CHECK: @_ZTI6Test4aIiE = linkonce_odr constant
// There ceases to be a key function after these declarations.
template <> inline void Test4a<int>::bar() {}
template <> inline void Test4a<int>::foo() {}
/*** Test4b ******************************************************************/
template <class T> struct Test4b {
Test4b();
virtual void foo();
virtual void bar();
};
// There ceases to be a key function after these declarations.
template <> inline void Test4b<int>::bar() {}
// V-table should be defined with weak linkage.
template <> Test4b<int>::Test4b() { use(typeid(Test4b)); }
// CHECK: @_ZTV6Test4bIiE = linkonce_odr unnamed_addr constant
// CHECK: @_ZTS6Test4bIiE = linkonce_odr constant
// CHECK: @_ZTI6Test4bIiE = linkonce_odr constant
template <> inline void Test4b<int>::foo() {}
/*** Test4c ******************************************************************/
template <class T> struct Test4c {
Test4c();
virtual void foo();
virtual void bar();
};
// There ceases to be a key function after these declarations.
template <> inline void Test4c<int>::bar() {}
template <> inline void Test4c<int>::foo() {}
// V-table should be defined with weak linkage.
template <> Test4c<int>::Test4c() { use(typeid(Test4c)); }
// CHECK: @_ZTV6Test4cIiE = linkonce_odr unnamed_addr constant
// CHECK: @_ZTS6Test4cIiE = linkonce_odr constant
// CHECK: @_ZTI6Test4cIiE = linkonce_odr constant
/*** Test5a ******************************************************************/
template <class T> struct Test5a {
Test5a();
virtual void foo();
virtual void bar();
};
template <> inline void Test5a<int>::bar();
template <> inline void Test5a<int>::foo();
// V-table should be defined with weak linkage.
template <> Test5a<int>::Test5a() { use(typeid(Test5a)); }
// CHECK: @_ZTV6Test5aIiE = linkonce_odr unnamed_addr constant
// CHECK: @_ZTS6Test5aIiE = linkonce_odr constant
// CHECK: @_ZTI6Test5aIiE = linkonce_odr constant
// There ceases to be a key function after these declarations.
template <> inline void Test5a<int>::bar() {}
template <> inline void Test5a<int>::foo() {}
/*** Test5b ******************************************************************/
template <class T> struct Test5b {
Test5b();
virtual void foo();
virtual void bar();
};
// There ceases to be a key function after these declarations.
template <> inline void Test5a<int>::bar();
template <> inline void Test5b<int>::bar() {}
// V-table should be defined with weak linkage.
template <> Test5b<int>::Test5b() { use(typeid(Test5b)); }
// CHECK: @_ZTV6Test5bIiE = linkonce_odr unnamed_addr constant
// CHECK: @_ZTS6Test5bIiE = linkonce_odr constant
// CHECK: @_ZTI6Test5bIiE = linkonce_odr constant
template <> inline void Test5a<int>::foo();
template <> inline void Test5b<int>::foo() {}
/*** Test5c ******************************************************************/
template <class T> struct Test5c {
Test5c();
virtual void foo();
virtual void bar();
};
// There ceases to be a key function after these declarations.
template <> inline void Test5a<int>::bar();
template <> inline void Test5a<int>::foo();
template <> inline void Test5c<int>::bar() {}
template <> inline void Test5c<int>::foo() {}
// V-table should be defined with weak linkage.
template <> Test5c<int>::Test5c() { use(typeid(Test5c)); }
// CHECK: @_ZTV6Test5cIiE = linkonce_odr unnamed_addr constant
// CHECK: @_ZTS6Test5cIiE = linkonce_odr constant
// CHECK: @_ZTI6Test5cIiE = linkonce_odr constant
|
