1 // RUN: %clang_cc1 -std=c++11 -fms-extensions -emit-llvm %s -o - -triple=i386-pc-win32 -fms-compatibility-version=19.00 | FileCheck %s --check-prefix=CHECK --check-prefix=MSVC2015
2 // RUN: %clang_cc1 -std=c++11 -fms-extensions -emit-llvm %s -o - -triple=i386-pc-win32 -fms-compatibility-version=18.00 | FileCheck %s --check-prefix=CHECK --check-prefix=MSVC2013
3 
4 namespace FTypeWithQuals {
5 template <typename T>
6 struct S {};
7 
8 using A = int () const;
9 S<A> a;
10 // CHECK-DAG: @"\01?a@FTypeWithQuals@@3U?$S@$$A8@@BAHXZ@1@A"
11 
12 using B = int () volatile;
13 S<B> b;
14 // CHECK-DAG: @"\01?b@FTypeWithQuals@@3U?$S@$$A8@@CAHXZ@1@A"
15 
16 using C = int () __restrict;
17 S<C> c;
18 // CHECK-DAG: @"\01?c@FTypeWithQuals@@3U?$S@$$A8@@IAAHXZ@1@A"
19 
20 using D = int () const &;
21 S<D> d;
22 // CHECK-DAG: @"\01?d@FTypeWithQuals@@3U?$S@$$A8@@GBAHXZ@1@A"
23 
24 using E = int () volatile &;
25 S<E> e;
26 // CHECK-DAG: @"\01?e@FTypeWithQuals@@3U?$S@$$A8@@GCAHXZ@1@A"
27 
28 using F = int () __restrict &;
29 S<F> f;
30 // CHECK-DAG: @"\01?f@FTypeWithQuals@@3U?$S@$$A8@@IGAAHXZ@1@A"
31 
32 using G = int () const &&;
33 S<G> g;
34 // CHECK-DAG: @"\01?g@FTypeWithQuals@@3U?$S@$$A8@@HBAHXZ@1@A"
35 
36 using H = int () volatile &&;
37 S<H> h;
38 // CHECK-DAG: @"\01?h@FTypeWithQuals@@3U?$S@$$A8@@HCAHXZ@1@A"
39 
40 using I = int () __restrict &&;
41 S<I> i;
42 // CHECK-DAG: @"\01?i@FTypeWithQuals@@3U?$S@$$A8@@IHAAHXZ@1@A"
43 
44 using J = int ();
45 S<J> j;
46 // CHECK-DAG: @"\01?j@FTypeWithQuals@@3U?$S@$$A6AHXZ@1@A"
47 
48 using K = int () &;
49 S<K> k;
50 // CHECK-DAG: @"\01?k@FTypeWithQuals@@3U?$S@$$A8@@GAAHXZ@1@A"
51 
52 using L = int () &&;
53 S<L> l;
54 // CHECK-DAG: @"\01?l@FTypeWithQuals@@3U?$S@$$A8@@HAAHXZ@1@A"
55 }
56 
57 // CHECK: "\01?DeducedType@@3HA"
58 auto DeducedType = 30;
59 
60 // CHECK-DAG: @"\01?Char16Var@@3_SA"
61 char16_t Char16Var;
62 
63 // CHECK-DAG: @"\01?Char32Var@@3_UA"
64 char32_t Char32Var;
65 
66 // CHECK: "\01?LRef@@YAXAAH@Z"
67 void LRef(int& a) { }
68 
69 // CHECK: "\01?RRef@@YAH$$QAH@Z"
70 int RRef(int&& a) { return a; }
71 
72 // CHECK: "\01?Null@@YAX$$T@Z"
73 namespace std { typedef decltype(__nullptr) nullptr_t; }
74 void Null(std::nullptr_t) {}
75 
76 namespace EnumMangling {
77   extern enum Enum01 { } Enum;
78   extern enum Enum02 : bool { } BoolEnum;
79   extern enum Enum03 : char { } CharEnum;
80   extern enum Enum04 : signed char { } SCharEnum;
81   extern enum Enum05 : unsigned char { } UCharEnum;
82   extern enum Enum06 : short { } SShortEnum;
83   extern enum Enum07 : unsigned short { } UShortEnum;
84   extern enum Enum08 : int { } SIntEnum;
85   extern enum Enum09 : unsigned int { } UIntEnum;
86   extern enum Enum10 : long { } SLongEnum;
87   extern enum Enum11 : unsigned long { } ULongEnum;
88   extern enum Enum12 : long long { } SLongLongEnum;
89   extern enum Enum13 : unsigned long long { } ULongLongEnum;
90 // CHECK-DAG: @"\01?Enum@EnumMangling@@3W4Enum01@1@A"
91 // CHECK-DAG: @"\01?BoolEnum@EnumMangling@@3W4Enum02@1@A
92 // CHECK-DAG: @"\01?CharEnum@EnumMangling@@3W4Enum03@1@A
93 // CHECK-DAG: @"\01?SCharEnum@EnumMangling@@3W4Enum04@1@A
94 // CHECK-DAG: @"\01?UCharEnum@EnumMangling@@3W4Enum05@1@A
95 // CHECK-DAG: @"\01?SShortEnum@EnumMangling@@3W4Enum06@1@A"
96 // CHECK-DAG: @"\01?UShortEnum@EnumMangling@@3W4Enum07@1@A"
97 // CHECK-DAG: @"\01?SIntEnum@EnumMangling@@3W4Enum08@1@A"
98 // CHECK-DAG: @"\01?UIntEnum@EnumMangling@@3W4Enum09@1@A"
99 // CHECK-DAG: @"\01?SLongEnum@EnumMangling@@3W4Enum10@1@A"
100 // CHECK-DAG: @"\01?ULongEnum@EnumMangling@@3W4Enum11@1@A"
101 // CHECK-DAG: @"\01?SLongLongEnum@EnumMangling@@3W4Enum12@1@A"
102 // CHECK-DAG: @"\01?ULongLongEnum@EnumMangling@@3W4Enum13@1@A"
103   decltype(Enum) *UseEnum() { return &Enum; }
104   decltype(BoolEnum) *UseBoolEnum() { return &BoolEnum; }
105   decltype(CharEnum) *UseCharEnum() { return &CharEnum; }
106   decltype(SCharEnum) *UseSCharEnum() { return &SCharEnum; }
107   decltype(UCharEnum) *UseUCharEnum() { return &UCharEnum; }
108   decltype(SShortEnum) *UseSShortEnum() { return &SShortEnum; }
109   decltype(UShortEnum) *UseUShortEnum() { return &UShortEnum; }
110   decltype(SIntEnum) *UseSIntEnum() { return &SIntEnum; }
111   decltype(UIntEnum) *UseUIntEnum() { return &UIntEnum; }
112   decltype(SLongEnum) *UseSLongEnum() { return &SLongEnum; }
113   decltype(ULongEnum) *UseULongEnum() { return &ULongEnum; }
114   decltype(SLongLongEnum) *UseSLongLongEnum() { return &SLongLongEnum; }
115   decltype(ULongLongEnum) *UseULongLongEnum() { return &ULongLongEnum; }
116   extern enum class EnumClass01 { } EnumClass;
117   extern enum class EnumClass02 : bool { } BoolEnumClass;
118   extern enum class EnumClass03 : char { } CharEnumClass;
119   extern enum class EnumClass04 : signed char { } SCharEnumClass;
120   extern enum class EnumClass05 : unsigned char { } UCharEnumClass;
121   extern enum class EnumClass06 : short { } SShortEnumClass;
122   extern enum class EnumClass07 : unsigned short { } UShortEnumClass;
123   extern enum class EnumClass08 : int { } SIntEnumClass;
124   extern enum class EnumClass09 : unsigned int { } UIntEnumClass;
125   extern enum class EnumClass10 : long { } SLongEnumClass;
126   extern enum class EnumClass11 : unsigned long { } ULongEnumClass;
127   extern enum class EnumClass12 : long long { } SLongLongEnumClass;
128   extern enum class EnumClass13 : unsigned long long { } ULongLongEnumClass;
129 // CHECK-DAG: @"\01?EnumClass@EnumMangling@@3W4EnumClass01@1@A"
130 // CHECK-DAG: @"\01?BoolEnumClass@EnumMangling@@3W4EnumClass02@1@A
131 // CHECK-DAG: @"\01?CharEnumClass@EnumMangling@@3W4EnumClass03@1@A
132 // CHECK-DAG: @"\01?SCharEnumClass@EnumMangling@@3W4EnumClass04@1@A
133 // CHECK-DAG: @"\01?UCharEnumClass@EnumMangling@@3W4EnumClass05@1@A
134 // CHECK-DAG: @"\01?SShortEnumClass@EnumMangling@@3W4EnumClass06@1@A"
135 // CHECK-DAG: @"\01?UShortEnumClass@EnumMangling@@3W4EnumClass07@1@A"
136 // CHECK-DAG: @"\01?SIntEnumClass@EnumMangling@@3W4EnumClass08@1@A"
137 // CHECK-DAG: @"\01?UIntEnumClass@EnumMangling@@3W4EnumClass09@1@A"
138 // CHECK-DAG: @"\01?SLongEnumClass@EnumMangling@@3W4EnumClass10@1@A"
139 // CHECK-DAG: @"\01?ULongEnumClass@EnumMangling@@3W4EnumClass11@1@A"
140 // CHECK-DAG: @"\01?SLongLongEnumClass@EnumMangling@@3W4EnumClass12@1@A"
141 // CHECK-DAG: @"\01?ULongLongEnumClass@EnumMangling@@3W4EnumClass13@1@A"
142   decltype(EnumClass) *UseEnumClass() { return &EnumClass; }
143   decltype(BoolEnumClass) *UseBoolEnumClass() { return &BoolEnumClass; }
144   decltype(CharEnumClass) *UseCharEnumClass() { return &CharEnumClass; }
145   decltype(SCharEnumClass) *UseSCharEnumClass() { return &SCharEnumClass; }
146   decltype(UCharEnumClass) *UseUCharEnumClass() { return &UCharEnumClass; }
147   decltype(SShortEnumClass) *UseSShortEnumClass() { return &SShortEnumClass; }
148   decltype(UShortEnumClass) *UseUShortEnumClass() { return &UShortEnumClass; }
149   decltype(SIntEnumClass) *UseSIntEnumClass() { return &SIntEnumClass; }
150   decltype(UIntEnumClass) *UseUIntEnumClass() { return &UIntEnumClass; }
151   decltype(SLongEnumClass) *UseSLongEnumClass() { return &SLongEnumClass; }
152   decltype(ULongEnumClass) *UseULongEnumClass() { return &ULongEnumClass; }
153   decltype(SLongLongEnumClass) *UseSLongLongEnumClass() { return &SLongLongEnumClass; }
154   decltype(ULongLongEnumClass) *UseULongLongEnumClass() { return &ULongLongEnumClass; }
155 }
156 
157 namespace PR18022 {
158 
159 struct { } a;
160 decltype(a) fun(decltype(a) x, decltype(a)) { return x; }
161 // CHECK-DAG: @"\01?fun@PR18022@@YA?AU<unnamed-type-a>@1@U21@0@Z"
162 
163 void use_fun() { fun(a, a); }
164 
165 }
166 
167 inline int define_lambda() {
168   static auto lambda = [] { static int local; ++local; return local; };
169 // First, we have the static local variable of type "<lambda_1>" inside of
170 // "define_lambda".
171 // CHECK-DAG: @"\01?lambda@?1??define_lambda@@YAHXZ@4V<lambda_1>@?0??1@YAHXZ@A"
172 // Next, we have the "operator()" for "<lambda_1>" which is inside of
173 // "define_lambda".
174 // CHECK-DAG: @"\01??R<lambda_1>@?0??define_lambda@@YAHXZ@QBE@XZ"
175 // Finally, we have the local which is inside of "<lambda_1>" which is inside of
176 // "define_lambda". Hooray.
177 // MSVC2013-DAG: @"\01?local@?2???R<lambda_1>@?0??define_lambda@@YAHXZ@QBE@XZ@4HA"
178 // MSVC2015-DAG: @"\01?local@?1???R<lambda_1>@?0??define_lambda@@YAHXZ@QBE@XZ@4HA"
179   return lambda();
180 }
181 
182 template <typename T>
183 void use_lambda_arg(T) {}
184 
185 inline void call_with_lambda_arg1() {
186   use_lambda_arg([]{});
187   // CHECK-DAG: @"\01??$use_lambda_arg@V<lambda_1>@?0??call_with_lambda_arg1@@YAXXZ@@@YAXV<lambda_1>@?0??call_with_lambda_arg1@@YAXXZ@@Z"
188 }
189 
190 inline void call_with_lambda_arg2() {
191   use_lambda_arg([]{});
192   // CHECK-DAG: @"\01??$use_lambda_arg@V<lambda_1>@?0??call_with_lambda_arg2@@YAXXZ@@@YAXV<lambda_1>@?0??call_with_lambda_arg2@@YAXXZ@@Z"
193 }
194 
195 int call_lambda() {
196   call_with_lambda_arg1();
197   call_with_lambda_arg2();
198   return define_lambda();
199 }
200 
201 namespace PR19361 {
202 struct A {
203   void foo() __restrict &;
204   void foo() __restrict &&;
205 };
206 void A::foo() __restrict & {}
207 // CHECK-DAG: @"\01?foo@A@PR19361@@QIGAEXXZ"
208 void A::foo() __restrict && {}
209 // CHECK-DAG: @"\01?foo@A@PR19361@@QIHAEXXZ"
210 }
211 
212 int operator"" _deg(long double) { return 0; }
213 // CHECK-DAG: @"\01??__K_deg@@YAHO@Z"
214 
215 template <char...>
216 void templ_fun_with_pack() {}
217 
218 template void templ_fun_with_pack<>();
219 // CHECK-DAG: @"\01??$templ_fun_with_pack@$S@@YAXXZ"
220 
221 template <typename...>
222 void templ_fun_with_ty_pack() {}
223 
224 template void templ_fun_with_ty_pack<>();
225 // MSVC2013-DAG: @"\01??$templ_fun_with_ty_pack@$$$V@@YAXXZ"
226 // MSVC2015-DAG: @"\01??$templ_fun_with_ty_pack@$$V@@YAXXZ"
227 
228 template <template <class> class...>
229 void templ_fun_with_templ_templ_pack() {}
230 
231 template void templ_fun_with_templ_templ_pack<>();
232 // MSVC2013-DAG: @"\01??$templ_fun_with_templ_templ_pack@$$$V@@YAXXZ"
233 // MSVC2015-DAG: @"\01??$templ_fun_with_templ_templ_pack@$$V@@YAXXZ"
234 
235 namespace PR20047 {
236 template <typename T>
237 struct A {};
238 
239 template <typename T>
240 using AliasA = A<T>;
241 
242 template <template <typename> class>
243 void f() {}
244 
245 template void f<AliasA>();
246 // CHECK-DAG: @"\01??$f@$$YAliasA@PR20047@@@PR20047@@YAXXZ"
247 }
248 
249 namespace UnnamedType {
250 struct A {
251   struct {} *TD;
252 };
253 
254 void f(decltype(*A::TD)) {}
255 // CHECK-DAG: @"\01?f@UnnamedType@@YAXAAU<unnamed-type-TD>@A@1@@Z"
256 
257 template <typename T>
258 struct B {
259   enum {
260   } *e;
261 };
262 
263 void f(decltype(B<int>::e)) {}
264 // CHECK-DAG: @"\01?f@UnnamedType@@YAXPAW4<unnamed-type-e>@?$B@H@1@@Z
265 }
266 
267 namespace PR24651 {
268 template <typename T>
269 void f(T) {}
270 
271 void g() {
272   enum {} E;
273   f(E);
274   {
275     enum {} E;
276     f(E);
277   }
278 }
279 // CHECK-DAG: @"\01??$f@W4<unnamed-type-E>@?1??g@PR24651@@YAXXZ@@PR24651@@YAXW4<unnamed-type-E>@?1??g@0@YAXXZ@@Z"
280 // CHECK-DAG: @"\01??$f@W4<unnamed-type-E>@?2??g@PR24651@@YAXXZ@@PR24651@@YAXW4<unnamed-type-E>@?2??g@0@YAXXZ@@Z"
281 }
282 
283 namespace PR18204 {
284 template <typename T>
285 int f(T *) { return 0; }
286 static union {
287   int n = f(this);
288 };
289 // CHECK-DAG: @"\01??$f@T<unnamed-type-$S1>@PR18204@@@PR18204@@YAHPAT<unnamed-type-$S1>@0@@Z"
290 }
291 
292 int PR26105() {
293   auto add = [](int x) { return ([x](int y) { return x + y; }); };
294   return add(3)(4);
295 }
296 // CHECK-DAG: @"\01??R<lambda_0>@?0??PR26105@@YAHXZ@QBE@H@Z"
297 // CHECK-DAG: @"\01??R<lambda_1>@?0???R<lambda_0>@?0??PR26105@@YAHXZ@QBE@H@Z@QBE@H@Z"
298 
299 int __unaligned * unaligned_foo1() { return 0; }
300 int __unaligned * __unaligned * unaligned_foo2() { return 0; }
301 __unaligned int unaligned_foo3() { return 0; }
302 void unaligned_foo4(int __unaligned *p1) {}
303 void unaligned_foo5(int __unaligned * __restrict p1) {}
304 template <typename T> T unaligned_foo6(T t) { return t; }
305 void unaligned_foo7() { unaligned_foo6<int *>(0); unaligned_foo6<int __unaligned *>(0); }
306 
307 // CHECK-DAG: @"\01?unaligned_foo1@@YAPFAHXZ"
308 // CHECK-DAG: @"\01?unaligned_foo2@@YAPFAPFAHXZ"
309 // CHECK-DAG: @"\01?unaligned_foo3@@YAHXZ"
310 // CHECK-DAG: @"\01?unaligned_foo4@@YAXPFAH@Z"
311 // CHECK-DAG: @"\01?unaligned_foo5@@YAXPIFAH@Z"
312 // CHECK-DAG: @"\01??$unaligned_foo6@PAH@@YAPAHPAH@Z"
313 // CHECK-DAG: @"\01??$unaligned_foo6@PFAH@@YAPFAHPFAH@Z"
314 
315 // __unaligned qualifier for function types
316 struct unaligned_foo8_S {
317     void unaligned_foo8() volatile __unaligned;
318 };
319 void unaligned_foo8_S::unaligned_foo8() volatile __unaligned {}
320 
321 // CHECK-DAG: @"\01?unaligned_foo8@unaligned_foo8_S@@QFCEXXZ"
322 
323 namespace PR31197 {
324 struct A {
325   // CHECK-DAG: define linkonce_odr x86_thiscallcc i32* @"\01??R<lambda_1>@x@A@PR31197@@QBE@XZ"(
326   int *x = []() {
327     static int white;
328     // CHECK-DAG: @"\01?white@?1???R<lambda_1>@x@A@PR31197@@QBE@XZ@4HA"
329     return &white;
330   }();
331   // CHECK-DAG: define linkonce_odr x86_thiscallcc i32* @"\01??R<lambda_1>@y@A@PR31197@@QBE@XZ"(
332   int *y = []() {
333     static int black;
334     // CHECK-DAG: @"\01?black@?1???R<lambda_1>@y@A@PR31197@@QBE@XZ@4HA"
335     return &black;
336   }();
337   using FPtrTy = void(void);
338   static void default_args(FPtrTy x = [] {}, FPtrTy y = [] {}, int z = [] { return 1; }() + [] { return 2; }()) {}
339   // CHECK-DAG: @"\01??R<lambda_1_1>@?0??default_args@A@PR31197@@SAXP6AXXZ0H@Z@QBE@XZ"(
340   // CHECK-DAG: @"\01??R<lambda_1_2>@?0??default_args@A@PR31197@@SAXP6AXXZ0H@Z@QBE@XZ"(
341   // CHECK-DAG: @"\01??R<lambda_2_1>@?0??default_args@A@PR31197@@SAXP6AXXZ0H@Z@QBE@XZ"(
342   // CHECK-DAG: @"\01??R<lambda_3_1>@?0??default_args@A@PR31197@@SAXP6AXXZ0H@Z@QBE@XZ"(
343 };
344 A a;
345 
346 int call_it = (A::default_args(), 1);
347 }
348 
349 enum { enumerator };
350 void f(decltype(enumerator)) {}
351 // CHECK-DAG: define internal void @"\01?f@@YAXW4<unnamed-enum-enumerator>@@@Z"(
352 void use_f() { f(enumerator); }
353