| 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 | |