1 // Test this without pch.
2 // RUN: %clang_cc1 -std=c++11 -fcxx-exceptions -fexceptions -include %S/cxx-templates.h -verify %s -ast-dump -o -
3 // RUN: %clang_cc1 -std=c++11 -fcxx-exceptions -fexceptions -include %S/cxx-templates.h %s -emit-llvm -o - -DNO_ERRORS | FileCheck %s
4 
5 // Test with pch.
6 // RUN: %clang_cc1 -std=c++11 -fcxx-exceptions -fexceptions -x c++-header -emit-pch -o %t %S/cxx-templates.h
7 // RUN: %clang_cc1 -std=c++11 -fcxx-exceptions -fexceptions -include-pch %t -verify %s -ast-dump  -o -
8 // RUN: %clang_cc1 -std=c++11 -fcxx-exceptions -fexceptions -include-pch %t %s -emit-llvm -o - -error-on-deserialized-decl doNotDeserialize -DNO_ERRORS | FileCheck %s
9 
10 // Test with modules.
11 // RUN: %clang_cc1 -std=c++11 -fcxx-exceptions -fexceptions -fmodules -x c++-header -emit-pch -o %t %S/cxx-templates.h
12 // RUN: %clang_cc1 -std=c++11 -fcxx-exceptions -fexceptions -fmodules -include-pch %t -verify %s -ast-dump  -o -
13 // RUN: %clang_cc1 -std=c++11 -fcxx-exceptions -fexceptions -fmodules -include-pch %t %s -emit-llvm -o - -error-on-deserialized-decl doNotDeserialize -DNO_ERRORS | FileCheck %s
14 
15 // Test with pch and delayed template parsing.
16 // RUN: %clang_cc1 -std=c++11 -fcxx-exceptions -fdelayed-template-parsing -fexceptions -x c++-header -emit-pch -o %t %S/cxx-templates.h
17 // RUN: %clang_cc1 -std=c++11 -fcxx-exceptions -fdelayed-template-parsing -fexceptions -include-pch %t -verify %s -ast-dump  -o -
18 // RUN: %clang_cc1 -std=c++11 -fcxx-exceptions -fdelayed-template-parsing -fexceptions -include-pch %t %s -emit-llvm -o - -DNO_ERRORS | FileCheck %s
19 
20 // CHECK: define weak_odr void @_ZN2S4IiE1mEv
21 // CHECK: define linkonce_odr void @_ZN2S3IiE1mEv
22 
23 struct A {
24   typedef int type;
25   static void my_f();
26   template <typename T>
27   static T my_templf(T x) { return x; }
28 };
29 
30 void test(const int (&a6)[17]) {
31   int x = templ_f<int, 5>(3);
32 
33   S<char, float>::templ();
34   S<int, char>::partial();
35   S<int, float>::explicit_special();
36 
37   Dep<A>::Ty ty;
38   Dep<A> a;
39   a.f();
40 
41   S3<int> s3;
42   s3.m();
43 
44   TS5 ts(0);
45 
46   S6<const int[17]>::t2 b6 = a6;
47 }
48 
49 template struct S4<int>;
50 
51 S7<int[5]> s7_5;
52 
53 namespace ZeroLengthExplicitTemplateArgs {
54   template void f<X>(X*);
55 }
56 
57 // This used to overwrite memory and crash.
58 namespace Test1 {
59   struct StringHasher {
60     template<typename T, char Converter(T)> static inline unsigned createHash(const T*, unsigned) {
61       return 0;
62     }
63   };
64 
65   struct CaseFoldingHash {
66     static inline char foldCase(char) {
67       return 0;
68     }
69 
70     static unsigned hash(const char* data, unsigned length) {
71       return StringHasher::createHash<char, foldCase>(data, length);
72     }
73   };
74 }
75 
76 template< typename D >
77 Foo< D >& Foo< D >::operator=( const Foo& other )
78 {
79    return *this;
80 }
81 
82 namespace TestNestedExpansion {
83   struct Int {
84     Int(int);
85     friend Int operator+(Int, Int);
86   };
87   Int &g(Int, int, double);
88   Int &test = NestedExpansion<char, char, char>().f(0, 1, 2, Int(3), 4, 5.0);
89 }
90 
91 namespace rdar13135282 {
92   void test() {
93     __mt_alloc<> mt = __mt_alloc<>();
94   }
95 }
96 
97 void CallDependentSpecializedFunc(DependentSpecializedFuncClass<int> &x) {
98   DependentSpecializedFunc(x);
99 }
100 
101 namespace cyclic_module_load {
102   extern std::valarray<int> x;
103   std::valarray<int> y(x);
104 }
105 
106 #ifndef NO_ERRORS
107 // expected-error@cxx-templates.h:305 {{incomplete}}
108 template int local_extern::f<int[]>(); // expected-note {{in instantiation of}}
109 #endif
110 template int local_extern::g<int[]>();
111