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      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 }
    164 
    165 inline int define_lambda() {
    166   static auto lambda = [] { static int local; ++local; return local; };
    167 // First, we have the static local variable of type "<lambda_1>" inside of
    168 // "define_lambda".
    169 // CHECK-DAG: @"\01?lambda@?1??define_lambda@@YAHXZ@4V<lambda_1>@?0??1@YAHXZ@A"
    170 // Next, we have the "operator()" for "<lambda_1>" which is inside of
    171 // "define_lambda".
    172 // CHECK-DAG: @"\01??R<lambda_1>@?0??define_lambda@@YAHXZ@QBE@XZ"
    173 // Finally, we have the local which is inside of "<lambda_1>" which is inside of
    174 // "define_lambda". Hooray.
    175 // MSVC2013-DAG: @"\01?local@?2???R<lambda_1>@?0??define_lambda@@YAHXZ@QBE@XZ@4HA"
    176 // MSVC2015-DAG: @"\01?local@?1???R<lambda_1>@?0??define_lambda@@YAHXZ@QBE@XZ@4HA"
    177   return lambda();
    178 }
    179 
    180 template <typename T>
    181 void use_lambda_arg(T) {}
    182 
    183 inline void call_with_lambda_arg1() {
    184   use_lambda_arg([]{});
    185   // CHECK-DAG: @"\01??$use_lambda_arg@V<lambda_1>@?0??call_with_lambda_arg1@@YAXXZ@@@YAXV<lambda_1>@?0??call_with_lambda_arg1@@YAXXZ@@Z"
    186 }
    187 
    188 inline void call_with_lambda_arg2() {
    189   use_lambda_arg([]{});
    190   // CHECK-DAG: @"\01??$use_lambda_arg@V<lambda_1>@?0??call_with_lambda_arg2@@YAXXZ@@@YAXV<lambda_1>@?0??call_with_lambda_arg2@@YAXXZ@@Z"
    191 }
    192 
    193 int call_lambda() {
    194   call_with_lambda_arg1();
    195   call_with_lambda_arg2();
    196   return define_lambda();
    197 }
    198 
    199 namespace PR19361 {
    200 struct A {
    201   void foo() __restrict &;
    202   void foo() __restrict &&;
    203 };
    204 void A::foo() __restrict & {}
    205 // CHECK-DAG: @"\01?foo@A@PR19361@@QIGAEXXZ"
    206 void A::foo() __restrict && {}
    207 // CHECK-DAG: @"\01?foo@A@PR19361@@QIHAEXXZ"
    208 }
    209 
    210 int operator"" _deg(long double) { return 0; }
    211 // CHECK-DAG: @"\01??__K_deg@@YAHO@Z"
    212 
    213 template <char...>
    214 void templ_fun_with_pack() {}
    215 
    216 template void templ_fun_with_pack<>();
    217 // CHECK-DAG: @"\01??$templ_fun_with_pack@$S@@YAXXZ"
    218 
    219 template <typename...>
    220 void templ_fun_with_ty_pack() {}
    221 
    222 template void templ_fun_with_ty_pack<>();
    223 // MSVC2013-DAG: @"\01??$templ_fun_with_ty_pack@$$$V@@YAXXZ"
    224 // MSVC2015-DAG: @"\01??$templ_fun_with_ty_pack@$$V@@YAXXZ"
    225 
    226 template <template <class> class...>
    227 void templ_fun_with_templ_templ_pack() {}
    228 
    229 template void templ_fun_with_templ_templ_pack<>();
    230 // MSVC2013-DAG: @"\01??$templ_fun_with_templ_templ_pack@$$$V@@YAXXZ"
    231 // MSVC2015-DAG: @"\01??$templ_fun_with_templ_templ_pack@$$V@@YAXXZ"
    232 
    233 namespace PR20047 {
    234 template <typename T>
    235 struct A {};
    236 
    237 template <typename T>
    238 using AliasA = A<T>;
    239 
    240 template <template <typename> class>
    241 void f() {}
    242 
    243 template void f<AliasA>();
    244 // CHECK-DAG: @"\01??$f@$$YAliasA@PR20047@@@PR20047@@YAXXZ"
    245 }
    246 
    247 namespace UnnamedType {
    248 struct A {
    249   struct {} *TD;
    250 };
    251 
    252 void f(decltype(*A::TD)) {}
    253 // CHECK-DAG: @"\01?f@UnnamedType@@YAXAAU<unnamed-type-TD>@A@1@@Z"
    254 
    255 template <typename T>
    256 struct B {
    257   enum {
    258   } *e;
    259 };
    260 
    261 void f(decltype(B<int>::e)) {}
    262 // CHECK-DAG: @"\01?f@UnnamedType@@YAXPAW4<unnamed-type-e>@?$B@H@1@@Z
    263 }
    264 
    265 namespace PR24651 {
    266 template <typename T>
    267 void f(T) {}
    268 
    269 void g() {
    270   enum {} E;
    271   f(E);
    272   {
    273     enum {} E;
    274     f(E);
    275   }
    276 }
    277 // CHECK-DAG: @"\01??$f@W4<unnamed-type-E>@?1??g@PR24651@@YAXXZ@@PR24651@@YAXW4<unnamed-type-E>@?1??g@0@YAXXZ@@Z"
    278 // CHECK-DAG: @"\01??$f@W4<unnamed-type-E>@?2??g@PR24651@@YAXXZ@@PR24651@@YAXW4<unnamed-type-E>@?2??g@0@YAXXZ@@Z"
    279 }
    280 
    281 namespace PR18204 {
    282 template <typename T>
    283 int f(T *);
    284 static union {
    285   int n = f(this);
    286 };
    287 // CHECK-DAG: @"\01??$f@T<unnamed-type-$S1>@PR18204@@@PR18204@@YAHPAT<unnamed-type-$S1>@0@@Z"
    288 }
    289 
    290 int PR26105() {
    291   auto add = [](int x) { return ([x](int y) { return x + y; }); };
    292   return add(3)(4);
    293 }
    294 // CHECK-DAG: @"\01??R<lambda_0>@?0??PR26105@@YAHXZ@QBE@H@Z"
    295 // CHECK-DAG: @"\01??R<lambda_1>@?0???R<lambda_0>@?0??PR26105@@YAHXZ@QBE@H@Z@QBE@H@Z"
    296 
    297 int __unaligned * unaligned_foo1() { return 0; }
    298 int __unaligned * __unaligned * unaligned_foo2() { return 0; }
    299 __unaligned int unaligned_foo3() { return 0; }
    300 void unaligned_foo4(int __unaligned *p1) {}
    301 void unaligned_foo5(int __unaligned * __restrict p1) {}
    302 template <typename T> T unaligned_foo6(T t) { return t; }
    303 void unaligned_foo7() { unaligned_foo6<int *>(0); unaligned_foo6<int __unaligned *>(0); }
    304 
    305 // CHECK-DAG: @"\01?unaligned_foo1@@YAPFAHXZ"
    306 // CHECK-DAG: @"\01?unaligned_foo2@@YAPFAPFAHXZ"
    307 // CHECK-DAG: @"\01?unaligned_foo3@@YAHXZ"
    308 // CHECK-DAG: @"\01?unaligned_foo4@@YAXPFAH@Z"
    309 // CHECK-DAG: @"\01?unaligned_foo5@@YAXPIFAH@Z"
    310 // CHECK-DAG: @"\01??$unaligned_foo6@PAH@@YAPAHPAH@Z"
    311 // CHECK-DAG: @"\01??$unaligned_foo6@PFAH@@YAPFAHPFAH@Z"
    312 
    313 // __unaligned qualifier for function types
    314 struct unaligned_foo8_S {
    315     void unaligned_foo8() volatile __unaligned;
    316 };
    317 void unaligned_foo8_S::unaligned_foo8() volatile __unaligned {}
    318 
    319 // CHECK-DAG: @"\01?unaligned_foo8@unaligned_foo8_S@@QFCEXXZ"
    320 
    321