clang/test/CodeGenCXX/mangle-ms-cxx11.cpp

   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"
  68 void LRef(int& a) { }
  69
  70 // CHECK: "?RRef@@YAH$$QAH@Z"
  71 int RRef(int&& a) { return a; }
  72
  73 // CHECK: "?Null@@YAX$$T@Z"
  74 namespace std { typedef decltype(__nullptr) 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"
 104   decltype(Enum) *UseEnum() { return &Enum; }
 105   decltype(BoolEnum) *UseBoolEnum() { return &BoolEnum; }
 106   decltype(CharEnum) *UseCharEnum() { return &CharEnum; }
 107   decltype(SCharEnum) *UseSCharEnum() { return &SCharEnum; }
 108   decltype(UCharEnum) *UseUCharEnum() { return &UCharEnum; }
 109   decltype(SShortEnum) *UseSShortEnum() { return &SShortEnum; }
 110   decltype(UShortEnum) *UseUShortEnum() { return &UShortEnum; }
 111   decltype(SIntEnum) *UseSIntEnum() { return &SIntEnum; }
 112   decltype(UIntEnum) *UseUIntEnum() { return &UIntEnum; }
 113   decltype(SLongEnum) *UseSLongEnum() { return &SLongEnum; }
 114   decltype(ULongEnum) *UseULongEnum() { return &ULongEnum; }
 115   decltype(SLongLongEnum) *UseSLongLongEnum() { return &SLongLongEnum; }
 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"
 143   decltype(EnumClass) *UseEnumClass() { return &EnumClass; }
 144   decltype(BoolEnumClass) *UseBoolEnumClass() { return &BoolEnumClass; }
 145   decltype(CharEnumClass) *UseCharEnumClass() { return &CharEnumClass; }
 146   decltype(SCharEnumClass) *UseSCharEnumClass() { return &SCharEnumClass; }
 147   decltype(UCharEnumClass) *UseUCharEnumClass() { return &UCharEnumClass; }
 148   decltype(SShortEnumClass) *UseSShortEnumClass() { return &SShortEnumClass; }
 149   decltype(UShortEnumClass) *UseUShortEnumClass() { return &UShortEnumClass; }
 150   decltype(SIntEnumClass) *UseSIntEnumClass() { return &SIntEnumClass; }
 151   decltype(UIntEnumClass) *UseUIntEnumClass() { return &UIntEnumClass; }
 152   decltype(SLongEnumClass) *UseSLongEnumClass() { return &SLongEnumClass; }
 153   decltype(ULongEnumClass) *UseULongEnumClass() { return &ULongEnumClass; }
 154   decltype(SLongLongEnumClass) *UseSLongLongEnumClass() { return &SLongLongEnumClass; }
 155   decltype(ULongLongEnumClass) *UseULongLongEnumClass() { return &ULongLongEnumClass; }
 156 }
 157
 158 namespace PR18022 {
 159
 160 struct { } 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
 164 void use_fun() { fun(a, a); }
 165
 166 }
 167
 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>
 184 void use_lambda_arg(T) {}
 185
 186 inline void call_with_lambda_arg1() {
 187   use_lambda_arg([]{});
 188   // CHECK-DAG: @"??$use_lambda_arg@V<lambda_1>@?0??call_with_lambda_arg1@@YAXXZ@@@YAXV<lambda_1>@?0??call_with_lambda_arg1@@YAXXZ@@Z"
 189 }
 190
 191 inline void call_with_lambda_arg2() {
 192   use_lambda_arg([]{});
 193   // CHECK-DAG: @"??$use_lambda_arg@V<lambda_1>@?0??call_with_lambda_arg2@@YAXXZ@@@YAXV<lambda_1>@?0??call_with_lambda_arg2@@YAXXZ@@Z"
 194 }
 195
 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 };
 207 void A::foo() __restrict & {}
 208 // CHECK-DAG: @"?foo@A@PR19361@@QIGAEXXZ"
 209 void A::foo() __restrict && {}
 210 // CHECK-DAG: @"?foo@A@PR19361@@QIHAEXXZ"
 211 }
 212
 213 int operator"" _deg(long double) { return 0; }
 214 // CHECK-DAG: @"??__K_deg@@YAHO@Z"
 215
 216 template <char...>
 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...>
 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...>
 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>
 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
 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
 264 void f(decltype(B<int>::e)) {}
 265 // CHECK-DAG: @"?f@UnnamedType@@YAXPAW4<unnamed-type-e>@?$B@H@1@@Z
 266 }
 267
 268 namespace PR24651 {
 269 template <typename T>
 270 void f(T) {}
 271
 272 void g() {
 273   enum {} E;
 274   f(E);
 275   {
 276     enum {} E;
 277     f(E);
 278   }
 279 }
 280 // CHECK-DAG: @"??$f@W4<unnamed-type-E>@?1??g@PR24651@@YAXXZ@@PR24651@@YAXW4<unnamed-type-E>@?1??g@0@YAXXZ@@Z"
 281 // CHECK-DAG: @"??$f@W4<unnamed-type-E>@?2??g@PR24651@@YAXXZ@@PR24651@@YAXW4<unnamed-type-E>@?2??g@0@YAXXZ@@Z"
 282 }
 283
 284 namespace PR18204 {
 285 template <typename T>
 286 int f(T *) { return 0; }
 287 static union {
 288   int n = f(this);
 289 };
 290 // CHECK-DAG: @"??$f@T<unnamed-type-$S1>@PR18204@@@PR18204@@YAHPAT<unnamed-type-$S1>@0@@Z"
 291 }
 292
 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
 300 int __unaligned * unaligned_foo1() { return 0; }
 301 int __unaligned * __unaligned * unaligned_foo2() { return 0; }
 302 __unaligned int unaligned_foo3() { return 0; }
 303 void unaligned_foo4(int __unaligned *p1) {}
 304 void unaligned_foo5(int __unaligned * __restrict p1) {}
 305 template <typename T> T unaligned_foo6(T t) { return t; }
 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 };
 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 noundef ptr @"??R<lambda_1>@x@A@PR31197@@QBE@XZ"(
 327   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 noundef ptr @"??R<lambda_1>@y@A@PR31197@@QBE@XZ"(
 333   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);
 339   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 };
 351 void f(decltype(enumerator)) {}
 352 // CHECK-DAG: define internal void @"?f@@YAXW4<unnamed-enum-enumerator>@@@Z"(
 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 }