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 // RUN: %clang_cc1 -std=c++11 -fms-extensions -emit-llvm %s -o - -triple=i386-pc-win32 -gcodeview -debug-info-kind=limited | FileCheck %s --check-prefix=DBG
4 
5 namespace FTypeWithQuals {
6 template <typename T>
7 struct S {};
8 
9 using A = int () const;
10 S<A> a;
11 // CHECK-DAG: @"?a@FTypeWithQuals@@3U?$S@$$A8@@BAHXZ@1@A"
12 
13 using B = int () volatile;
14 S<B> b;
15 // CHECK-DAG: @"?b@FTypeWithQuals@@3U?$S@$$A8@@CAHXZ@1@A"
16 
17 using C = int () __restrict;
18 S<C> c;
19 // CHECK-DAG: @"?c@FTypeWithQuals@@3U?$S@$$A8@@IAAHXZ@1@A"
20 
21 using D = int () const &;
22 S<D> d;
23 // CHECK-DAG: @"?d@FTypeWithQuals@@3U?$S@$$A8@@GBAHXZ@1@A"
24 
25 using E = int () volatile &;
26 S<E> e;
27 // CHECK-DAG: @"?e@FTypeWithQuals@@3U?$S@$$A8@@GCAHXZ@1@A"
28 
29 using F = int () __restrict &;
30 S<F> f;
31 // CHECK-DAG: @"?f@FTypeWithQuals@@3U?$S@$$A8@@IGAAHXZ@1@A"
32 
33 using G = int () const &&;
34 S<G> g;
35 // CHECK-DAG: @"?g@FTypeWithQuals@@3U?$S@$$A8@@HBAHXZ@1@A"
36 
37 using H = int () volatile &&;
38 S<H> h;
39 // CHECK-DAG: @"?h@FTypeWithQuals@@3U?$S@$$A8@@HCAHXZ@1@A"
40 
41 using I = int () __restrict &&;
42 S<I> i;
43 // CHECK-DAG: @"?i@FTypeWithQuals@@3U?$S@$$A8@@IHAAHXZ@1@A"
44 
45 using J = int ();
46 S<J> j;
47 // CHECK-DAG: @"?j@FTypeWithQuals@@3U?$S@$$A6AHXZ@1@A"
48 
49 using K = int () &;
50 S<K> k;
51 // CHECK-DAG: @"?k@FTypeWithQuals@@3U?$S@$$A8@@GAAHXZ@1@A"
52 
53 using L = int () &&;
54 S<L> l;
55 // CHECK-DAG: @"?l@FTypeWithQuals@@3U?$S@$$A8@@HAAHXZ@1@A"
56 }
57 
58 // CHECK: "?DeducedType@@3HA"
59 auto DeducedType = 30;
60 
61 // CHECK-DAG: @"?Char16Var@@3_SA"
62 char16_t Char16Var;
63 
64 // CHECK-DAG: @"?Char32Var@@3_UA"
65 char32_t Char32Var;
66 
67 // CHECK: "?LRef@@YAXAAH@Z"
LRef(int & a)68 void LRef(int& a) { }
69 
70 // CHECK: "?RRef@@YAH$$QAH@Z"
RRef(int && a)71 int RRef(int&& a) { return a; }
72 
73 // CHECK: "?Null@@YAX$$T@Z"
74 namespace std { typedef decltype(__nullptr) nullptr_t; }
Null(std::nullptr_t)75 void Null(std::nullptr_t) {}
76 
77 namespace EnumMangling {
78   extern enum Enum01 { } Enum;
79   extern enum Enum02 : bool { } BoolEnum;
80   extern enum Enum03 : char { } CharEnum;
81   extern enum Enum04 : signed char { } SCharEnum;
82   extern enum Enum05 : unsigned char { } UCharEnum;
83   extern enum Enum06 : short { } SShortEnum;
84   extern enum Enum07 : unsigned short { } UShortEnum;
85   extern enum Enum08 : int { } SIntEnum;
86   extern enum Enum09 : unsigned int { } UIntEnum;
87   extern enum Enum10 : long { } SLongEnum;
88   extern enum Enum11 : unsigned long { } ULongEnum;
89   extern enum Enum12 : long long { } SLongLongEnum;
90   extern enum Enum13 : unsigned long long { } ULongLongEnum;
91 // CHECK-DAG: @"?Enum@EnumMangling@@3W4Enum01@1@A"
92 // CHECK-DAG: @"?BoolEnum@EnumMangling@@3W4Enum02@1@A
93 // CHECK-DAG: @"?CharEnum@EnumMangling@@3W4Enum03@1@A
94 // CHECK-DAG: @"?SCharEnum@EnumMangling@@3W4Enum04@1@A
95 // CHECK-DAG: @"?UCharEnum@EnumMangling@@3W4Enum05@1@A
96 // CHECK-DAG: @"?SShortEnum@EnumMangling@@3W4Enum06@1@A"
97 // CHECK-DAG: @"?UShortEnum@EnumMangling@@3W4Enum07@1@A"
98 // CHECK-DAG: @"?SIntEnum@EnumMangling@@3W4Enum08@1@A"
99 // CHECK-DAG: @"?UIntEnum@EnumMangling@@3W4Enum09@1@A"
100 // CHECK-DAG: @"?SLongEnum@EnumMangling@@3W4Enum10@1@A"
101 // CHECK-DAG: @"?ULongEnum@EnumMangling@@3W4Enum11@1@A"
102 // CHECK-DAG: @"?SLongLongEnum@EnumMangling@@3W4Enum12@1@A"
103 // CHECK-DAG: @"?ULongLongEnum@EnumMangling@@3W4Enum13@1@A"
UseEnum()104   decltype(Enum) *UseEnum() { return &Enum; }
UseBoolEnum()105   decltype(BoolEnum) *UseBoolEnum() { return &BoolEnum; }
UseCharEnum()106   decltype(CharEnum) *UseCharEnum() { return &CharEnum; }
UseSCharEnum()107   decltype(SCharEnum) *UseSCharEnum() { return &SCharEnum; }
UseUCharEnum()108   decltype(UCharEnum) *UseUCharEnum() { return &UCharEnum; }
UseSShortEnum()109   decltype(SShortEnum) *UseSShortEnum() { return &SShortEnum; }
UseUShortEnum()110   decltype(UShortEnum) *UseUShortEnum() { return &UShortEnum; }
UseSIntEnum()111   decltype(SIntEnum) *UseSIntEnum() { return &SIntEnum; }
UseUIntEnum()112   decltype(UIntEnum) *UseUIntEnum() { return &UIntEnum; }
UseSLongEnum()113   decltype(SLongEnum) *UseSLongEnum() { return &SLongEnum; }
UseULongEnum()114   decltype(ULongEnum) *UseULongEnum() { return &ULongEnum; }
UseSLongLongEnum()115   decltype(SLongLongEnum) *UseSLongLongEnum() { return &SLongLongEnum; }
UseULongLongEnum()116   decltype(ULongLongEnum) *UseULongLongEnum() { return &ULongLongEnum; }
117   extern enum class EnumClass01 { } EnumClass;
118   extern enum class EnumClass02 : bool { } BoolEnumClass;
119   extern enum class EnumClass03 : char { } CharEnumClass;
120   extern enum class EnumClass04 : signed char { } SCharEnumClass;
121   extern enum class EnumClass05 : unsigned char { } UCharEnumClass;
122   extern enum class EnumClass06 : short { } SShortEnumClass;
123   extern enum class EnumClass07 : unsigned short { } UShortEnumClass;
124   extern enum class EnumClass08 : int { } SIntEnumClass;
125   extern enum class EnumClass09 : unsigned int { } UIntEnumClass;
126   extern enum class EnumClass10 : long { } SLongEnumClass;
127   extern enum class EnumClass11 : unsigned long { } ULongEnumClass;
128   extern enum class EnumClass12 : long long { } SLongLongEnumClass;
129   extern enum class EnumClass13 : unsigned long long { } ULongLongEnumClass;
130 // CHECK-DAG: @"?EnumClass@EnumMangling@@3W4EnumClass01@1@A"
131 // CHECK-DAG: @"?BoolEnumClass@EnumMangling@@3W4EnumClass02@1@A
132 // CHECK-DAG: @"?CharEnumClass@EnumMangling@@3W4EnumClass03@1@A
133 // CHECK-DAG: @"?SCharEnumClass@EnumMangling@@3W4EnumClass04@1@A
134 // CHECK-DAG: @"?UCharEnumClass@EnumMangling@@3W4EnumClass05@1@A
135 // CHECK-DAG: @"?SShortEnumClass@EnumMangling@@3W4EnumClass06@1@A"
136 // CHECK-DAG: @"?UShortEnumClass@EnumMangling@@3W4EnumClass07@1@A"
137 // CHECK-DAG: @"?SIntEnumClass@EnumMangling@@3W4EnumClass08@1@A"
138 // CHECK-DAG: @"?UIntEnumClass@EnumMangling@@3W4EnumClass09@1@A"
139 // CHECK-DAG: @"?SLongEnumClass@EnumMangling@@3W4EnumClass10@1@A"
140 // CHECK-DAG: @"?ULongEnumClass@EnumMangling@@3W4EnumClass11@1@A"
141 // CHECK-DAG: @"?SLongLongEnumClass@EnumMangling@@3W4EnumClass12@1@A"
142 // CHECK-DAG: @"?ULongLongEnumClass@EnumMangling@@3W4EnumClass13@1@A"
UseEnumClass()143   decltype(EnumClass) *UseEnumClass() { return &EnumClass; }
UseBoolEnumClass()144   decltype(BoolEnumClass) *UseBoolEnumClass() { return &BoolEnumClass; }
UseCharEnumClass()145   decltype(CharEnumClass) *UseCharEnumClass() { return &CharEnumClass; }
UseSCharEnumClass()146   decltype(SCharEnumClass) *UseSCharEnumClass() { return &SCharEnumClass; }
UseUCharEnumClass()147   decltype(UCharEnumClass) *UseUCharEnumClass() { return &UCharEnumClass; }
UseSShortEnumClass()148   decltype(SShortEnumClass) *UseSShortEnumClass() { return &SShortEnumClass; }
UseUShortEnumClass()149   decltype(UShortEnumClass) *UseUShortEnumClass() { return &UShortEnumClass; }
UseSIntEnumClass()150   decltype(SIntEnumClass) *UseSIntEnumClass() { return &SIntEnumClass; }
UseUIntEnumClass()151   decltype(UIntEnumClass) *UseUIntEnumClass() { return &UIntEnumClass; }
UseSLongEnumClass()152   decltype(SLongEnumClass) *UseSLongEnumClass() { return &SLongEnumClass; }
UseULongEnumClass()153   decltype(ULongEnumClass) *UseULongEnumClass() { return &ULongEnumClass; }
UseSLongLongEnumClass()154   decltype(SLongLongEnumClass) *UseSLongLongEnumClass() { return &SLongLongEnumClass; }
UseULongLongEnumClass()155   decltype(ULongLongEnumClass) *UseULongLongEnumClass() { return &ULongLongEnumClass; }
156 }
157 
158 namespace PR18022 {
159 
160 struct { } a;
fun(decltype(a)x,decltype(a))161 decltype(a) fun(decltype(a) x, decltype(a)) { return x; }
162 // CHECK-DAG: @"?fun@PR18022@@YA?AU<unnamed-type-a>@1@U21@0@Z"
163 
use_fun()164 void use_fun() { fun(a, a); }
165 
166 }
167 
define_lambda()168 inline int define_lambda() {
169   static auto lambda = [] { static int local; ++local; return local; };
170 // First, we have the static local variable of type "<lambda_1>" inside of
171 // "define_lambda".
172 // CHECK-DAG: @"?lambda@?1??define_lambda@@YAHXZ@4V<lambda_1>@?0??1@YAHXZ@A"
173 // Next, we have the "operator()" for "<lambda_1>" which is inside of
174 // "define_lambda".
175 // CHECK-DAG: @"??R<lambda_1>@?0??define_lambda@@YAHXZ@QBE@XZ"
176 // Finally, we have the local which is inside of "<lambda_1>" which is inside of
177 // "define_lambda". Hooray.
178 // MSVC2013-DAG: @"?local@?2???R<lambda_1>@?0??define_lambda@@YAHXZ@QBE@XZ@4HA"
179 // MSVC2015-DAG: @"?local@?1???R<lambda_1>@?0??define_lambda@@YAHXZ@QBE@XZ@4HA"
180   return lambda();
181 }
182 
183 template <typename T>
use_lambda_arg(T)184 void use_lambda_arg(T) {}
185 
call_with_lambda_arg1()186 inline void call_with_lambda_arg1() {
187   use_lambda_arg([]{});
188   // CHECK-DAG: @"??$use_lambda_arg@V<lambda_1>@?0??call_with_lambda_arg1@@YAXXZ@@@YAXV<lambda_1>@?0??call_with_lambda_arg1@@YAXXZ@@Z"
189 }
190 
call_with_lambda_arg2()191 inline void call_with_lambda_arg2() {
192   use_lambda_arg([]{});
193   // CHECK-DAG: @"??$use_lambda_arg@V<lambda_1>@?0??call_with_lambda_arg2@@YAXXZ@@@YAXV<lambda_1>@?0??call_with_lambda_arg2@@YAXXZ@@Z"
194 }
195 
call_lambda()196 int call_lambda() {
197   call_with_lambda_arg1();
198   call_with_lambda_arg2();
199   return define_lambda();
200 }
201 
202 namespace PR19361 {
203 struct A {
204   void foo() __restrict &;
205   void foo() __restrict &&;
206 };
foo()207 void A::foo() __restrict & {}
208 // CHECK-DAG: @"?foo@A@PR19361@@QIGAEXXZ"
foo()209 void A::foo() __restrict && {}
210 // CHECK-DAG: @"?foo@A@PR19361@@QIHAEXXZ"
211 }
212 
operator ""_deg(long double)213 int operator"" _deg(long double) { return 0; }
214 // CHECK-DAG: @"??__K_deg@@YAHO@Z"
215 
216 template <char...>
templ_fun_with_pack()217 void templ_fun_with_pack() {}
218 
219 template void templ_fun_with_pack<>();
220 // CHECK-DAG: @"??$templ_fun_with_pack@$S@@YAXXZ"
221 
222 template <typename...>
templ_fun_with_ty_pack()223 void templ_fun_with_ty_pack() {}
224 
225 template void templ_fun_with_ty_pack<>();
226 // MSVC2013-DAG: @"??$templ_fun_with_ty_pack@$$$V@@YAXXZ"
227 // MSVC2015-DAG: @"??$templ_fun_with_ty_pack@$$V@@YAXXZ"
228 
229 template <template <class> class...>
templ_fun_with_templ_templ_pack()230 void templ_fun_with_templ_templ_pack() {}
231 
232 template void templ_fun_with_templ_templ_pack<>();
233 // MSVC2013-DAG: @"??$templ_fun_with_templ_templ_pack@$$$V@@YAXXZ"
234 // MSVC2015-DAG: @"??$templ_fun_with_templ_templ_pack@$$V@@YAXXZ"
235 
236 namespace PR20047 {
237 template <typename T>
238 struct A {};
239 
240 template <typename T>
241 using AliasA = A<T>;
242 
243 template <template <typename> class>
f()244 void f() {}
245 
246 template void f<AliasA>();
247 // CHECK-DAG: @"??$f@$$YAliasA@PR20047@@@PR20047@@YAXXZ"
248 }
249 
250 namespace UnnamedType {
251 struct A {
252   struct {} *TD;
253 };
254 
f(decltype(* A::TD))255 void f(decltype(*A::TD)) {}
256 // CHECK-DAG: @"?f@UnnamedType@@YAXAAU<unnamed-type-TD>@A@1@@Z"
257 
258 template <typename T>
259 struct B {
260   enum {
261   } *e;
262 };
263 
f(decltype(B<int>::e))264 void f(decltype(B<int>::e)) {}
265 // CHECK-DAG: @"?f@UnnamedType@@YAXPAW4<unnamed-type-e>@?$B@H@1@@Z
266 }
267 
268 namespace PR24651 {
269 template <typename T>
f(T)270 void f(T) {}
271 
g()272 void g() {
273   enum {} E;
274   f(E);
275   {
276     enum {} E;
277     f(E);
278   }
279 }
280 // CHECK-DAG: @"??$f@W4<unnamed-type-E>@?1??g@PR24651@@YAXXZ@@PR24651@@YAXW4<unnamed-type-E>@?1??g@0@YAXXZ@@Z"
281 // CHECK-DAG: @"??$f@W4<unnamed-type-E>@?2??g@PR24651@@YAXXZ@@PR24651@@YAXW4<unnamed-type-E>@?2??g@0@YAXXZ@@Z"
282 }
283 
284 namespace PR18204 {
285 template <typename T>
f(T *)286 int f(T *) { return 0; }
287 static union {
288   int n = f(this);
289 };
290 // CHECK-DAG: @"??$f@T<unnamed-type-$S1>@PR18204@@@PR18204@@YAHPAT<unnamed-type-$S1>@0@@Z"
291 }
292 
PR26105()293 int PR26105() {
294   auto add = [](int x) { return ([x](int y) { return x + y; }); };
295   return add(3)(4);
296 }
297 // CHECK-DAG: @"??R<lambda_0>@?0??PR26105@@YAHXZ@QBE@H@Z"
298 // CHECK-DAG: @"??R<lambda_1>@?0???R<lambda_0>@?0??PR26105@@YAHXZ@QBE@H@Z@QBE@H@Z"
299 
unaligned_foo1()300 int __unaligned * unaligned_foo1() { return 0; }
unaligned_foo2()301 int __unaligned * __unaligned * unaligned_foo2() { return 0; }
unaligned_foo3()302 __unaligned int unaligned_foo3() { return 0; }
unaligned_foo4(int __unaligned * p1)303 void unaligned_foo4(int __unaligned *p1) {}
unaligned_foo5(int __unaligned * __restrict p1)304 void unaligned_foo5(int __unaligned * __restrict p1) {}
unaligned_foo6(T t)305 template <typename T> T unaligned_foo6(T t) { return t; }
unaligned_foo7()306 void unaligned_foo7() { unaligned_foo6<int *>(0); unaligned_foo6<int __unaligned *>(0); }
307 
308 // CHECK-DAG: @"?unaligned_foo1@@YAPFAHXZ"
309 // CHECK-DAG: @"?unaligned_foo2@@YAPFAPFAHXZ"
310 // CHECK-DAG: @"?unaligned_foo3@@YAHXZ"
311 // CHECK-DAG: @"?unaligned_foo4@@YAXPFAH@Z"
312 // CHECK-DAG: @"?unaligned_foo5@@YAXPIFAH@Z"
313 // CHECK-DAG: @"??$unaligned_foo6@PAH@@YAPAHPAH@Z"
314 // CHECK-DAG: @"??$unaligned_foo6@PFAH@@YAPFAHPFAH@Z"
315 
316 // __unaligned qualifier for function types
317 struct unaligned_foo8_S {
318     void unaligned_foo8() volatile __unaligned;
319 };
unaligned_foo8()320 void unaligned_foo8_S::unaligned_foo8() volatile __unaligned {}
321 
322 // CHECK-DAG: @"?unaligned_foo8@unaligned_foo8_S@@QFCEXXZ"
323 
324 namespace PR31197 {
325 struct A {
326   // CHECK-DAG: define linkonce_odr dso_local x86_thiscallcc i32* @"??R<lambda_1>@x@A@PR31197@@QBE@XZ"(
__anond4c3aa740c02PR31197::A327   int *x = []() {
328     static int white;
329     // CHECK-DAG: @"?white@?1???R<lambda_1>@x@A@PR31197@@QBE@XZ@4HA"
330     return &white;
331   }();
332   // CHECK-DAG: define linkonce_odr dso_local x86_thiscallcc i32* @"??R<lambda_1>@y@A@PR31197@@QBE@XZ"(
__anond4c3aa740d02PR31197::A333   int *y = []() {
334     static int black;
335     // CHECK-DAG: @"?black@?1???R<lambda_1>@y@A@PR31197@@QBE@XZ@4HA"
336     return &black;
337   }();
338   using FPtrTy = void(void);
__anond4c3aa741002PR31197::A339   static void default_args(FPtrTy x = [] {}, FPtrTy y = [] {}, int z = [] { return 1; }() + [] { return 2; }()) {}
340   // CHECK-DAG: @"??R<lambda_1_1>@?0??default_args@A@PR31197@@SAXP6AXXZ0H@Z@QBE@XZ"(
341   // CHECK-DAG: @"??R<lambda_1_2>@?0??default_args@A@PR31197@@SAXP6AXXZ0H@Z@QBE@XZ"(
342   // CHECK-DAG: @"??R<lambda_2_1>@?0??default_args@A@PR31197@@SAXP6AXXZ0H@Z@QBE@XZ"(
343   // CHECK-DAG: @"??R<lambda_3_1>@?0??default_args@A@PR31197@@SAXP6AXXZ0H@Z@QBE@XZ"(
344 };
345 A a;
346 
347 int call_it = (A::default_args(), 1);
348 }
349 
350 enum { enumerator };
f(decltype(enumerator))351 void f(decltype(enumerator)) {}
352 // CHECK-DAG: define internal void @"?f@@YAXW4<unnamed-enum-enumerator>@@@Z"(
use_f()353 void use_f() { f(enumerator); }
354 
355 namespace pr37723 {
356 struct s { enum {}; enum {}; };
357 // DBG-DAG: DW_TAG_enumeration_type{{.*}}identifier: ".?AW4<unnamed-type-$S2>@s@pr37723@@"
358 // DBG-DAG: DW_TAG_enumeration_type{{.*}}identifier: ".?AW4<unnamed-type-$S3>@s@pr37723@@"
359 s x;
360 }
361