1 | // RUN: %clang_cc1 -std=c++11 -fms-compatibility-version=19 -emit-llvm %s -o - -fms-extensions -fdelayed-template-parsing -triple=i386-pc-win32 | FileCheck %s |
2 | // RUN: %clang_cc1 -std=c++11 -fms-compatibility-version=19 -emit-llvm %s -o - -fms-extensions -fdelayed-template-parsing -triple=x86_64-pc-win32 | FileCheck -check-prefix X64 %s |
3 | // RUN: %clang_cc1 -std=c++17 -fms-compatibility-version=19 -emit-llvm %s -o - -fms-extensions -fdelayed-template-parsing -triple=i386-pc-win32 | FileCheck %s |
4 | // RUN: %clang_cc1 -std=c++17 -fms-compatibility-version=19 -emit-llvm %s -o - -fms-extensions -fdelayed-template-parsing -triple=x86_64-pc-win32 | FileCheck -check-prefix X64 %s |
5 | |
6 | template<typename T> |
7 | class Class { |
8 | public: |
9 | Class() {} |
10 | }; |
11 | |
12 | class Typename { }; |
13 | |
14 | template<typename T> |
15 | class Nested { }; |
16 | |
17 | template<bool flag> |
18 | class BoolTemplate { |
19 | public: |
20 | BoolTemplate() {} |
21 | }; |
22 | |
23 | template<int param> |
24 | class IntTemplate { |
25 | public: |
26 | IntTemplate() {} |
27 | }; |
28 | |
29 | template<unsigned param> |
30 | class UnsignedIntTemplate { |
31 | public: |
32 | UnsignedIntTemplate() {} |
33 | }; |
34 | |
35 | template<long long param> |
36 | class LongLongTemplate { |
37 | public: |
38 | LongLongTemplate() {} |
39 | }; |
40 | |
41 | template<unsigned long long param> |
42 | class UnsignedLongLongTemplate { |
43 | public: |
44 | UnsignedLongLongTemplate() {} |
45 | }; |
46 | |
47 | template<> |
48 | class BoolTemplate<true> { |
49 | public: |
50 | BoolTemplate() {} |
51 | template<class T> void Foo(T arg) {} |
52 | }; |
53 | |
54 | void template_mangling() { |
55 | Class<Typename> c1; |
56 | // CHECK: call {{.*}} @"??0?$Class@VTypename@@@@QAE@XZ" |
57 | // X64: call {{.*}} @"??0?$Class@VTypename@@@@QEAA@XZ" |
58 | |
59 | Class<const Typename> c1_const; |
60 | // CHECK: call {{.*}} @"??0?$Class@$$CBVTypename@@@@QAE@XZ" |
61 | // X64: call {{.*}} @"??0?$Class@$$CBVTypename@@@@QEAA@XZ" |
62 | Class<volatile Typename> c1_volatile; |
63 | // CHECK: call {{.*}} @"??0?$Class@$$CCVTypename@@@@QAE@XZ" |
64 | // X64: call {{.*}} @"??0?$Class@$$CCVTypename@@@@QEAA@XZ" |
65 | Class<const volatile Typename> c1_cv; |
66 | // CHECK: call {{.*}} @"??0?$Class@$$CDVTypename@@@@QAE@XZ" |
67 | // X64: call {{.*}} @"??0?$Class@$$CDVTypename@@@@QEAA@XZ" |
68 | |
69 | Class<Nested<Typename> > c2; |
70 | // CHECK: call {{.*}} @"??0?$Class@V?$Nested@VTypename@@@@@@QAE@XZ" |
71 | // X64: call {{.*}} @"??0?$Class@V?$Nested@VTypename@@@@@@QEAA@XZ" |
72 | |
73 | Class<int * const> c_intpc; |
74 | // CHECK: call {{.*}} @"??0?$Class@QAH@@QAE@XZ" |
75 | // X64: call {{.*}} @"??0?$Class@QEAH@@QEAA@XZ" |
76 | Class<int()> c_ft; |
77 | // CHECK: call {{.*}} @"??0?$Class@$$A6AHXZ@@QAE@XZ" |
78 | // X64: call {{.*}} @"??0?$Class@$$A6AHXZ@@QEAA@XZ" |
79 | Class<int[]> c_inti; |
80 | // CHECK: call {{.*}} @"??0?$Class@$$BY0A@H@@QAE@XZ" |
81 | // X64: call {{.*}} @"??0?$Class@$$BY0A@H@@QEAA@XZ" |
82 | Class<int[5]> c_int5; |
83 | // CHECK: call {{.*}} @"??0?$Class@$$BY04H@@QAE@XZ" |
84 | // X64: call {{.*}} @"??0?$Class@$$BY04H@@QEAA@XZ" |
85 | Class<const int[5]> c_intc5; |
86 | // CHECK: call {{.*}} @"??0?$Class@$$BY04$$CBH@@QAE@XZ" |
87 | // X64: call {{.*}} @"??0?$Class@$$BY04$$CBH@@QEAA@XZ" |
88 | Class<int * const[5]> c_intpc5; |
89 | // CHECK: call {{.*}} @"??0?$Class@$$BY04QAH@@QAE@XZ" |
90 | // X64: call {{.*}} @"??0?$Class@$$BY04QEAH@@QEAA@XZ" |
91 | |
92 | BoolTemplate<false> _false; |
93 | // CHECK: call {{.*}} @"??0?$BoolTemplate@$0A@@@QAE@XZ" |
94 | // X64: call {{.*}} @"??0?$BoolTemplate@$0A@@@QEAA@XZ" |
95 | |
96 | BoolTemplate<true> _true; |
97 | // PR13158 |
98 | _true.Foo(1); |
99 | // CHECK: call {{.*}} @"??0?$BoolTemplate@$00@@QAE@XZ" |
100 | // X64: call {{.*}} @"??0?$BoolTemplate@$00@@QEAA@XZ" |
101 | // CHECK: call {{.*}} @"??$Foo@H@?$BoolTemplate@$00@@QAEXH@Z" |
102 | // X64: call {{.*}} @"??$Foo@H@?$BoolTemplate@$00@@QEAAXH@Z" |
103 | |
104 | IntTemplate<0> zero; |
105 | // CHECK: call {{.*}} @"??0?$IntTemplate@$0A@@@QAE@XZ" |
106 | // X64: call {{.*}} @"??0?$IntTemplate@$0A@@@QEAA@XZ" |
107 | |
108 | IntTemplate<5> five; |
109 | // CHECK: call {{.*}} @"??0?$IntTemplate@$04@@QAE@XZ" |
110 | // X64: call {{.*}} @"??0?$IntTemplate@$04@@QEAA@XZ" |
111 | |
112 | IntTemplate<11> eleven; |
113 | // CHECK: call {{.*}} @"??0?$IntTemplate@$0L@@@QAE@XZ" |
114 | // X64: call {{.*}} @"??0?$IntTemplate@$0L@@@QEAA@XZ" |
115 | |
116 | IntTemplate<256> _256; |
117 | // CHECK: call {{.*}} @"??0?$IntTemplate@$0BAA@@@QAE@XZ" |
118 | // X64: call {{.*}} @"??0?$IntTemplate@$0BAA@@@QEAA@XZ" |
119 | |
120 | IntTemplate<513> _513; |
121 | // CHECK: call {{.*}} @"??0?$IntTemplate@$0CAB@@@QAE@XZ" |
122 | // X64: call {{.*}} @"??0?$IntTemplate@$0CAB@@@QEAA@XZ" |
123 | |
124 | IntTemplate<1026> _1026; |
125 | // CHECK: call {{.*}} @"??0?$IntTemplate@$0EAC@@@QAE@XZ" |
126 | // X64: call {{.*}} @"??0?$IntTemplate@$0EAC@@@QEAA@XZ" |
127 | |
128 | IntTemplate<65535> ffff; |
129 | // CHECK: call {{.*}} @"??0?$IntTemplate@$0PPPP@@@QAE@XZ" |
130 | // X64: call {{.*}} @"??0?$IntTemplate@$0PPPP@@@QEAA@XZ" |
131 | |
132 | IntTemplate<-1> neg_1; |
133 | // CHECK: call {{.*}} @"??0?$IntTemplate@$0?0@@QAE@XZ" |
134 | // X64: call {{.*}} @"??0?$IntTemplate@$0?0@@QEAA@XZ" |
135 | IntTemplate<-9> neg_9; |
136 | // CHECK: call {{.*}} @"??0?$IntTemplate@$0?8@@QAE@XZ" |
137 | // X64: call {{.*}} @"??0?$IntTemplate@$0?8@@QEAA@XZ" |
138 | IntTemplate<-10> neg_10; |
139 | // CHECK: call {{.*}} @"??0?$IntTemplate@$0?9@@QAE@XZ" |
140 | // X64: call {{.*}} @"??0?$IntTemplate@$0?9@@QEAA@XZ" |
141 | IntTemplate<-11> neg_11; |
142 | // CHECK: call {{.*}} @"??0?$IntTemplate@$0?L@@@QAE@XZ" |
143 | // X64: call {{.*}} @"??0?$IntTemplate@$0?L@@@QEAA@XZ" |
144 | |
145 | UnsignedIntTemplate<4294967295> ffffffff; |
146 | // CHECK: call {{.*}} @"??0?$UnsignedIntTemplate@$0PPPPPPPP@@@QAE@XZ" |
147 | // X64: call {{.*}} @"??0?$UnsignedIntTemplate@$0PPPPPPPP@@@QEAA@XZ" |
148 | |
149 | LongLongTemplate<-9223372036854775807LL-1LL> int64_min; |
150 | // CHECK: call {{.*}} @"??0?$LongLongTemplate@$0?IAAAAAAAAAAAAAAA@@@QAE@XZ" |
151 | // X64: call {{.*}} @"??0?$LongLongTemplate@$0?IAAAAAAAAAAAAAAA@@@QEAA@XZ" |
152 | LongLongTemplate<9223372036854775807LL> int64_max; |
153 | // CHECK: call {{.*}} @"??0?$LongLongTemplate@$0HPPPPPPPPPPPPPPP@@@QAE@XZ" |
154 | // X64: call {{.*}} @"??0?$LongLongTemplate@$0HPPPPPPPPPPPPPPP@@@QEAA@XZ" |
155 | UnsignedLongLongTemplate<18446744073709551615ULL> uint64_max; |
156 | // CHECK: call {{.*}} @"??0?$UnsignedLongLongTemplate@$0?0@@QAE@XZ" |
157 | // X64: call {{.*}} @"??0?$UnsignedLongLongTemplate@$0?0@@QEAA@XZ" |
158 | UnsignedLongLongTemplate<(unsigned long long)-1> uint64_neg_1; |
159 | // CHECK: call {{.*}} @"??0?$UnsignedLongLongTemplate@$0?0@@QAE@XZ" |
160 | // X64: call {{.*}} @"??0?$UnsignedLongLongTemplate@$0?0@@QEAA@XZ" |
161 | } |
162 | |
163 | namespace space { |
164 | template<class T> const T& foo(const T& l) { return l; } |
165 | } |
166 | // CHECK: "??$foo@H@space@@YAABHABH@Z" |
167 | // X64: "??$foo@H@space@@YAAEBHAEBH@Z" |
168 | |
169 | void use() { |
170 | space::foo(42); |
171 | } |
172 | |
173 | // PR13455 |
174 | typedef void (*FunctionPointer)(void); |
175 | |
176 | template <FunctionPointer function> |
177 | void FunctionPointerTemplate() { |
178 | function(); |
179 | } |
180 | |
181 | void spam() { |
182 | FunctionPointerTemplate<spam>(); |
183 | // CHECK: "??$FunctionPointerTemplate@$1?spam@@YAXXZ@@YAXXZ" |
184 | // X64: "??$FunctionPointerTemplate@$1?spam@@YAXXZ@@YAXXZ" |
185 | } |
186 | |
187 | // Unlike Itanium, there is no character code to indicate an argument pack. |
188 | // Tested with MSVC 2013, the first version which supports variadic templates. |
189 | |
190 | template <typename ...Ts> void variadic_fn_template(const Ts &...args); |
191 | template <typename... Ts, typename... Us> |
192 | void multi_variadic_fn(Ts... ts, Us... us); |
193 | template <typename... Ts, typename C, typename... Us> |
194 | void multi_variadic_mixed(Ts... ts, C c, Us... us); |
195 | void variadic_fn_instantiate() { |
196 | variadic_fn_template(0, 1, 3, 4); |
197 | variadic_fn_template(0, 1, 'a', "b"); |
198 | |
199 | // Directlly consecutive packs are separated by $$Z... |
200 | multi_variadic_fn<int, int>(1, 2, 3, 4, 5); |
201 | multi_variadic_fn<int, int, int>(1, 2, 3, 4, 5); |
202 | |
203 | // ...but not if another template parameter is between them. |
204 | multi_variadic_mixed<int, int>(1, 2, 3); |
205 | multi_variadic_mixed<int, int>(1, 2, 3, 4); |
206 | } |
207 | // CHECK: "??$variadic_fn_template@HHHH@@YAXABH000@Z" |
208 | // X64: "??$variadic_fn_template@HHHH@@YAXAEBH000@Z" |
209 | // CHECK: "??$variadic_fn_template@HHD$$BY01D@@YAXABH0ABDAAY01$$CBD@Z" |
210 | // X64: "??$variadic_fn_template@HHD$$BY01D@@YAXAEBH0AEBDAEAY01$$CBD@Z" |
211 | // CHECK: "??$multi_variadic_fn@HH$$ZHHH@@YAXHHHHH@Z" |
212 | // X64: "??$multi_variadic_fn@HH$$ZHHH@@YAXHHHHH@Z" |
213 | // CHECK: "??$multi_variadic_fn@HHH$$ZHH@@YAXHHHHH@Z" |
214 | // X64: "??$multi_variadic_fn@HHH$$ZHH@@YAXHHHHH@Z" |
215 | // CHECK: "??$multi_variadic_mixed@HHH$$V@@YAXHHH@Z" |
216 | // X64: "??$multi_variadic_mixed@HHH$$V@@YAXHHH@Z" |
217 | // CHECK: "??$multi_variadic_mixed@HHHH@@YAXHHHH@Z" |
218 | // X64: "??$multi_variadic_mixed@HHHH@@YAXHHHH@Z" |
219 | |
220 | template <typename ...Ts> |
221 | struct VariadicClass { |
222 | VariadicClass() { } |
223 | int x; |
224 | }; |
225 | void variadic_class_instantiate() { |
226 | VariadicClass<int, char, bool> a; |
227 | VariadicClass<bool, char, int> b; |
228 | } |
229 | // CHECK: call {{.*}} @"??0?$VariadicClass@HD_N@@QAE@XZ" |
230 | // CHECK: call {{.*}} @"??0?$VariadicClass@_NDH@@QAE@XZ" |
231 | |
232 | template <typename T> |
233 | struct Second {}; |
234 | |
235 | template <typename T, template <class> class> |
236 | struct Type {}; |
237 | |
238 | template <template <class> class T> |
239 | struct Type2 {}; |
240 | |
241 | template <template <class> class T, bool B> |
242 | struct Thing; |
243 | |
244 | template <template <class> class T> |
245 | struct Thing<T, false> { }; |
246 | |
247 | template <template <class> class T> |
248 | struct Thing<T, true> { }; |
249 | |
250 | void template_template_fun(Type<Thing<Second, true>, Second>) { } |
251 | // CHECK: "?template_template_fun@@YAXU?$Type@U?$Thing@USecond@@$00@@USecond@@@@@Z" |
252 | |
253 | template <typename T> |
254 | void template_template_specialization(); |
255 | |
256 | template <> |
257 | void template_template_specialization<void (Type<Thing<Second, true>, Second>)>() { |
258 | } |
259 | // CHECK: "??$template_template_specialization@$$A6AXU?$Type@U?$Thing@USecond@@$00@@USecond@@@@@Z@@YAXXZ" |
260 | |
261 | // PR16788 |
262 | template <decltype(nullptr)> struct S1 {}; |
263 | void f(S1<nullptr>) {} |
264 | // CHECK: "?f@@YAXU?$S1@$0A@@@@Z" |
265 | |
266 | struct record { |
267 | int first; |
268 | int second; |
269 | }; |
270 | template <const record &> |
271 | struct type1 { |
272 | }; |
273 | extern const record inst; |
274 | void recref(type1<inst>) {} |
275 | // CHECK: "?recref@@YAXU?$type1@$E?inst@@3Urecord@@B@@@Z" |
276 | |
277 | struct _GUID {}; |
278 | struct __declspec(uuid("{12345678-1234-1234-1234-1234567890aB}")) uuid; |
279 | |
280 | template <typename T, const _GUID *G = &__uuidof(T)> |
281 | struct UUIDType1 {}; |
282 | |
283 | template <typename T, const _GUID &G = __uuidof(T)> |
284 | struct UUIDType2 {}; |
285 | |
286 | void fun(UUIDType1<uuid> a) {} |
287 | // CHECK: "?fun@@YAXU?$UUIDType1@Uuuid@@$1?_GUID_12345678_1234_1234_1234_1234567890ab@@3U__s_GUID@@B@@@Z" |
288 | void fun(UUIDType2<uuid> b) {} |
289 | // CHECK: "?fun@@YAXU?$UUIDType2@Uuuid@@$E?_GUID_12345678_1234_1234_1234_1234567890ab@@3U__s_GUID@@B@@@Z" |
290 | |
291 | template <typename T> struct TypeWithFriendDefinition { |
292 | friend void FunctionDefinedWithInjectedName(TypeWithFriendDefinition<T>) {} |
293 | }; |
294 | // CHECK: call {{.*}} @"?FunctionDefinedWithInjectedName@@YAXU?$TypeWithFriendDefinition@H@@@Z" |
295 | void CallFunctionDefinedWithInjectedName() { |
296 | FunctionDefinedWithInjectedName(TypeWithFriendDefinition<int>()); |
297 | } |
298 | // CHECK: @"?FunctionDefinedWithInjectedName@@YAXU?$TypeWithFriendDefinition@H@@@Z" |
299 | |
300 | // We need to be able to feed GUIDs through a couple rounds of template |
301 | // substitution. |
302 | template <const _GUID *G> |
303 | struct UUIDType3 { |
304 | void foo() {} |
305 | }; |
306 | template <const _GUID *G> |
307 | struct UUIDType4 : UUIDType3<G> { |
308 | void bar() { UUIDType4::foo(); } |
309 | }; |
310 | template struct UUIDType4<&__uuidof(uuid)>; |
311 | // CHECK: "?bar@?$UUIDType4@$1?_GUID_12345678_1234_1234_1234_1234567890ab@@3U__s_GUID@@B@@QAEXXZ" |
312 | // CHECK: "?foo@?$UUIDType3@$1?_GUID_12345678_1234_1234_1234_1234567890ab@@3U__s_GUID@@B@@QAEXXZ" |
313 | |