1// RUN: %clang_cc1 -std=c++11 -emit-llvm %s -o - -fms-extensions -fdelayed-template-parsing -triple=i386-pc-win32 | FileCheck %s
2// RUN: %clang_cc1 -std=c++11 -emit-llvm %s -o - -fms-extensions -fdelayed-template-parsing -triple=x86_64-pc-win32 | FileCheck -check-prefix X64 %s
3
4template<typename T>
5class Class {
6 public:
7  Class() {}
8};
9
10class Typename { };
11
12template<typename T>
13class Nested { };
14
15template<bool flag>
16class BoolTemplate {
17 public:
18  BoolTemplate() {}
19};
20
21template<int param>
22class IntTemplate {
23 public:
24  IntTemplate() {}
25};
26
27template<unsigned param>
28class UnsignedIntTemplate {
29public:
30  UnsignedIntTemplate() {}
31};
32
33template<long long param>
34class LongLongTemplate {
35 public:
36  LongLongTemplate() {}
37};
38
39template<unsigned long long param>
40class UnsignedLongLongTemplate {
41 public:
42  UnsignedLongLongTemplate() {}
43};
44
45template<>
46class BoolTemplate<true> {
47 public:
48  BoolTemplate() {}
49  template<class T> void Foo(T arg) {}
50};
51
52void template_mangling() {
53  Class<Typename> c1;
54// CHECK: call {{.*}} @"\01??0?$Class@VTypename@@@@QAE@XZ"
55// X64: call {{.*}} @"\01??0?$Class@VTypename@@@@QEAA@XZ"
56
57  Class<const Typename> c1_const;
58// CHECK: call {{.*}} @"\01??0?$Class@$$CBVTypename@@@@QAE@XZ"
59// X64: call {{.*}} @"\01??0?$Class@$$CBVTypename@@@@QEAA@XZ"
60  Class<volatile Typename> c1_volatile;
61// CHECK: call {{.*}} @"\01??0?$Class@$$CCVTypename@@@@QAE@XZ"
62// X64: call {{.*}} @"\01??0?$Class@$$CCVTypename@@@@QEAA@XZ"
63  Class<const volatile Typename> c1_cv;
64// CHECK: call {{.*}} @"\01??0?$Class@$$CDVTypename@@@@QAE@XZ"
65// X64: call {{.*}} @"\01??0?$Class@$$CDVTypename@@@@QEAA@XZ"
66
67  Class<Nested<Typename> > c2;
68// CHECK: call {{.*}} @"\01??0?$Class@V?$Nested@VTypename@@@@@@QAE@XZ"
69// X64: call {{.*}} @"\01??0?$Class@V?$Nested@VTypename@@@@@@QEAA@XZ"
70
71  Class<int * const> c_intpc;
72// CHECK: call {{.*}} @"\01??0?$Class@QAH@@QAE@XZ"
73// X64: call {{.*}} @"\01??0?$Class@QEAH@@QEAA@XZ"
74  Class<int()> c_ft;
75// CHECK: call {{.*}} @"\01??0?$Class@$$A6AHXZ@@QAE@XZ"
76// X64: call {{.*}} @"\01??0?$Class@$$A6AHXZ@@QEAA@XZ"
77  Class<int[]> c_inti;
78// CHECK: call {{.*}} @"\01??0?$Class@$$BY0A@H@@QAE@XZ"
79// X64: call {{.*}} @"\01??0?$Class@$$BY0A@H@@QEAA@XZ"
80  Class<int[5]> c_int5;
81// CHECK: call {{.*}} @"\01??0?$Class@$$BY04H@@QAE@XZ"
82// X64: call {{.*}} @"\01??0?$Class@$$BY04H@@QEAA@XZ"
83  Class<const int[5]> c_intc5;
84// CHECK: call {{.*}} @"\01??0?$Class@$$BY04$$CBH@@QAE@XZ"
85// X64: call {{.*}} @"\01??0?$Class@$$BY04$$CBH@@QEAA@XZ"
86  Class<int * const[5]> c_intpc5;
87// CHECK: call {{.*}} @"\01??0?$Class@$$BY04QAH@@QAE@XZ"
88// X64: call {{.*}} @"\01??0?$Class@$$BY04QEAH@@QEAA@XZ"
89
90  BoolTemplate<false> _false;
91// CHECK: call {{.*}} @"\01??0?$BoolTemplate@$0A@@@QAE@XZ"
92// X64: call {{.*}} @"\01??0?$BoolTemplate@$0A@@@QEAA@XZ"
93
94  BoolTemplate<true> _true;
95  // PR13158
96  _true.Foo(1);
97// CHECK: call {{.*}} @"\01??0?$BoolTemplate@$00@@QAE@XZ"
98// X64: call {{.*}} @"\01??0?$BoolTemplate@$00@@QEAA@XZ"
99// CHECK: call {{.*}} @"\01??$Foo@H@?$BoolTemplate@$00@@QAEXH@Z"
100// X64: call {{.*}} @"\01??$Foo@H@?$BoolTemplate@$00@@QEAAXH@Z"
101
102  IntTemplate<0> zero;
103// CHECK: call {{.*}} @"\01??0?$IntTemplate@$0A@@@QAE@XZ"
104// X64: call {{.*}} @"\01??0?$IntTemplate@$0A@@@QEAA@XZ"
105
106  IntTemplate<5> five;
107// CHECK: call {{.*}} @"\01??0?$IntTemplate@$04@@QAE@XZ"
108// X64: call {{.*}} @"\01??0?$IntTemplate@$04@@QEAA@XZ"
109
110  IntTemplate<11> eleven;
111// CHECK: call {{.*}} @"\01??0?$IntTemplate@$0L@@@QAE@XZ"
112// X64: call {{.*}} @"\01??0?$IntTemplate@$0L@@@QEAA@XZ"
113
114  IntTemplate<256> _256;
115// CHECK: call {{.*}} @"\01??0?$IntTemplate@$0BAA@@@QAE@XZ"
116// X64: call {{.*}} @"\01??0?$IntTemplate@$0BAA@@@QEAA@XZ"
117
118  IntTemplate<513> _513;
119// CHECK: call {{.*}} @"\01??0?$IntTemplate@$0CAB@@@QAE@XZ"
120// X64: call {{.*}} @"\01??0?$IntTemplate@$0CAB@@@QEAA@XZ"
121
122  IntTemplate<1026> _1026;
123// CHECK: call {{.*}} @"\01??0?$IntTemplate@$0EAC@@@QAE@XZ"
124// X64: call {{.*}} @"\01??0?$IntTemplate@$0EAC@@@QEAA@XZ"
125
126  IntTemplate<65535> ffff;
127// CHECK: call {{.*}} @"\01??0?$IntTemplate@$0PPPP@@@QAE@XZ"
128// X64: call {{.*}} @"\01??0?$IntTemplate@$0PPPP@@@QEAA@XZ"
129
130  IntTemplate<-1>  neg_1;
131// CHECK: call {{.*}} @"\01??0?$IntTemplate@$0?0@@QAE@XZ"
132// X64: call {{.*}} @"\01??0?$IntTemplate@$0?0@@QEAA@XZ"
133  IntTemplate<-9>  neg_9;
134// CHECK: call {{.*}} @"\01??0?$IntTemplate@$0?8@@QAE@XZ"
135// X64: call {{.*}} @"\01??0?$IntTemplate@$0?8@@QEAA@XZ"
136  IntTemplate<-10> neg_10;
137// CHECK: call {{.*}} @"\01??0?$IntTemplate@$0?9@@QAE@XZ"
138// X64: call {{.*}} @"\01??0?$IntTemplate@$0?9@@QEAA@XZ"
139  IntTemplate<-11> neg_11;
140// CHECK: call {{.*}} @"\01??0?$IntTemplate@$0?L@@@QAE@XZ"
141// X64: call {{.*}} @"\01??0?$IntTemplate@$0?L@@@QEAA@XZ"
142
143  UnsignedIntTemplate<4294967295> ffffffff;
144// CHECK: call {{.*}} @"\01??0?$UnsignedIntTemplate@$0PPPPPPPP@@@QAE@XZ"
145// X64: call {{.*}} @"\01??0?$UnsignedIntTemplate@$0PPPPPPPP@@@QEAA@XZ"
146
147  LongLongTemplate<-9223372036854775807LL-1LL> int64_min;
148// CHECK: call {{.*}} @"\01??0?$LongLongTemplate@$0?IAAAAAAAAAAAAAAA@@@QAE@XZ"
149// X64: call {{.*}} @"\01??0?$LongLongTemplate@$0?IAAAAAAAAAAAAAAA@@@QEAA@XZ"
150  LongLongTemplate<9223372036854775807LL>      int64_max;
151// CHECK: call {{.*}} @"\01??0?$LongLongTemplate@$0HPPPPPPPPPPPPPPP@@@QAE@XZ"
152// X64: call {{.*}} @"\01??0?$LongLongTemplate@$0HPPPPPPPPPPPPPPP@@@QEAA@XZ"
153  UnsignedLongLongTemplate<18446744073709551615ULL> uint64_max;
154// CHECK: call {{.*}} @"\01??0?$UnsignedLongLongTemplate@$0?0@@QAE@XZ"
155// X64: call {{.*}} @"\01??0?$UnsignedLongLongTemplate@$0?0@@QEAA@XZ"
156  UnsignedLongLongTemplate<(unsigned long long)-1>  uint64_neg_1;
157// CHECK: call {{.*}} @"\01??0?$UnsignedLongLongTemplate@$0?0@@QAE@XZ"
158// X64: call {{.*}} @"\01??0?$UnsignedLongLongTemplate@$0?0@@QEAA@XZ"
159}
160
161namespace space {
162  template<class T> const T& foo(const T& l) { return l; }
163}
164// CHECK: "\01??$foo@H@space@@YAABHABH@Z"
165// X64: "\01??$foo@H@space@@YAAEBHAEBH@Z"
166
167void use() {
168  space::foo(42);
169}
170
171// PR13455
172typedef void (*FunctionPointer)(void);
173
174template <FunctionPointer function>
175void FunctionPointerTemplate() {
176  function();
177}
178
179void spam() {
180  FunctionPointerTemplate<spam>();
181// CHECK: "\01??$FunctionPointerTemplate@$1?spam@@YAXXZ@@YAXXZ"
182// X64: "\01??$FunctionPointerTemplate@$1?spam@@YAXXZ@@YAXXZ"
183}
184
185// Unlike Itanium, there is no character code to indicate an argument pack.
186// Tested with MSVC 2013, the first version which supports variadic templates.
187
188template <typename ...Ts> void variadic_fn_template(const Ts &...args) { }
189void variadic_fn_instantiate() {
190  variadic_fn_template(0, 1, 3, 4);
191  variadic_fn_template(0, 1, 'a', "b");
192}
193// CHECK: "\01??$variadic_fn_template@HHHH@@YAXABH000@Z"
194// CHECK: "\01??$variadic_fn_template@HHD$$BY01D@@YAXABH0ABDAAY01$$CBD@Z"
195
196template <typename ...Ts>
197struct VariadicClass {
198  VariadicClass() { }
199  int x;
200};
201void variadic_class_instantiate() {
202  VariadicClass<int, char, bool> a;
203  VariadicClass<bool, char, int> b;
204}
205// CHECK: call {{.*}} @"\01??0?$VariadicClass@HD_N@@QAE@XZ"
206// CHECK: call {{.*}} @"\01??0?$VariadicClass@_NDH@@QAE@XZ"
207
208template <typename T>
209struct Second {};
210
211template <typename T, template <class> class>
212struct Type {};
213
214template <template <class> class T>
215struct Type2 {};
216
217template <template <class> class T, bool B>
218struct Thing;
219
220template <template <class> class T>
221struct Thing<T, false> { };
222
223template <template <class> class T>
224struct Thing<T, true> { };
225
226void template_template_fun(Type<Thing<Second, true>, Second>) { }
227// CHECK: "\01?template_template_fun@@YAXU?$Type@U?$Thing@USecond@@$00@@USecond@@@@@Z"
228
229template <typename T>
230void template_template_specialization();
231
232template <>
233void template_template_specialization<void (Type<Thing<Second, true>, Second>)>() {
234}
235// CHECK: "\01??$template_template_specialization@$$A6AXU?$Type@U?$Thing@USecond@@$00@@USecond@@@@@Z@@YAXXZ"
236
237// PR16788
238template <decltype(nullptr)> struct S1 {};
239void f(S1<nullptr>) {}
240// CHECK: "\01?f@@YAXU?$S1@$0A@@@@Z"
241
242struct record {
243  int first;
244  int second;
245};
246template <const record &>
247struct type1 {
248};
249extern const record inst;
250void recref(type1<inst>) {}
251// CHECK: "\01?recref@@YAXU?$type1@$E?inst@@3Urecord@@B@@@Z"
252
253struct _GUID {};
254struct __declspec(uuid("{12345678-1234-1234-1234-1234567890aB}")) uuid;
255
256template <typename T, const _GUID *G = &__uuidof(T)>
257struct UUIDType1 {};
258
259template <typename T, const _GUID &G = __uuidof(T)>
260struct UUIDType2 {};
261
262void fun(UUIDType1<uuid> a) {}
263// CHECK: "\01?fun@@YAXU?$UUIDType1@Uuuid@@$1?_GUID_12345678_1234_1234_1234_1234567890ab@@3U__s_GUID@@B@@@Z"
264void fun(UUIDType2<uuid> b) {}
265// CHECK: "\01?fun@@YAXU?$UUIDType2@Uuuid@@$E?_GUID_12345678_1234_1234_1234_1234567890ab@@3U__s_GUID@@B@@@Z"
266
267template <typename T> struct TypeWithFriendDefinition {
268  friend void FunctionDefinedWithInjectedName(TypeWithFriendDefinition<T>) {}
269};
270// CHECK: call {{.*}} @"\01?FunctionDefinedWithInjectedName@@YAXU?$TypeWithFriendDefinition@H@@@Z"
271void CallFunctionDefinedWithInjectedName() {
272  FunctionDefinedWithInjectedName(TypeWithFriendDefinition<int>());
273}
274// CHECK: @"\01?FunctionDefinedWithInjectedName@@YAXU?$TypeWithFriendDefinition@H@@@Z"
275
276// We need to be able to feed GUIDs through a couple rounds of template
277// substitution.
278template <const _GUID *G>
279struct UUIDType3 {
280  void foo() {}
281};
282template <const _GUID *G>
283struct UUIDType4 : UUIDType3<G> {
284  void bar() { UUIDType4::foo(); }
285};
286template struct UUIDType4<&__uuidof(uuid)>;
287// CHECK: "\01?bar@?$UUIDType4@$1?_GUID_12345678_1234_1234_1234_1234567890ab@@3U__s_GUID@@B@@QAEXXZ"
288// CHECK: "\01?foo@?$UUIDType3@$1?_GUID_12345678_1234_1234_1234_1234567890ab@@3U__s_GUID@@B@@QAEXXZ"
289