1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
| // RUN: %clang_cc1 %s -emit-llvm -o - -ftime-report 2>&1 | FileCheck %s
// RUN: %clang_cc1 %s -emit-llvm -o - -fdelayed-template-parsing -DDELAYED_TEMPLATE_PARSING -ftime-report 2>&1 | FileCheck %s
// Template function declarations
template <typename T>
void foo();
template <typename T, typename U>
void foo();
// Template function definitions.
template <typename T>
void foo() {}
// Template class (forward) declarations
template <typename T>
struct A;
template <typename T, typename U>
struct b;
template <typename>
struct C;
template <typename, typename>
struct D;
// Forward declarations with default parameters?
template <typename T = int>
class X1;
template <typename = int>
class X2;
// Forward declarations w/template template parameters
template <template <typename> class T>
class TTP1;
template <template <typename> class>
class TTP2;
template <template <typename X, typename Y> class T>
class TTP5;
// Forward declarations with non-type params
template <int>
class NTP0;
template <int N>
class NTP1;
template <int N = 5>
class NTP2;
template <int = 10>
class NTP3;
template <unsigned int N = 12u>
class NTP4;
template <unsigned int = 12u>
class NTP5;
template <unsigned = 15u>
class NTP6;
template <typename T, T Obj>
class NTP7;
// Template class declarations
template <typename T>
struct A {};
template <typename T, typename U>
struct B {};
namespace PR6184 {
namespace N {
template <typename T>
void bar(typename T::x);
}
template <typename T>
void N::bar(typename T::x) {}
}
// This PR occurred only in template parsing mode.
namespace PR17637 {
template <int>
struct L {
template <typename T>
struct O {
template <typename U>
static void Fun(U);
};
};
template <int k>
template <typename T>
template <typename U>
void L<k>::O<T>::Fun(U) {}
void Instantiate() { L<0>::O<int>::Fun(0); }
}
namespace explicit_partial_specializations {
typedef char (&oneT)[1];
typedef char (&twoT)[2];
typedef char (&threeT)[3];
typedef char (&fourT)[4];
typedef char (&fiveT)[5];
typedef char (&sixT)[6];
char one[1];
char two[2];
char three[3];
char four[4];
char five[5];
char six[6];
template <bool b>
struct bool_ { typedef int type; };
template <>
struct bool_<false> {};
#define XCAT(x, y) x##y
#define CAT(x, y) XCAT(x, y)
#define sassert(_b_) bool_<(_b_)>::type CAT(var, __LINE__);
template <int>
struct L {
template <typename T>
struct O {
template <typename U>
static oneT Fun(U);
};
};
template <int k>
template <typename T>
template <typename U>
oneT L<k>::O<T>::Fun(U) { return one; }
template <>
template <>
template <typename U>
oneT L<0>::O<char>::Fun(U) { return one; }
void Instantiate() {
sassert(sizeof(L<0>::O<int>::Fun(0)) == sizeof(one));
sassert(sizeof(L<0>::O<char>::Fun(0)) == sizeof(one));
}
}
template <class>
struct Foo {
template <class _Other>
using rebind_alloc = _Other;
};
template <class _Alloc>
struct _Wrap_alloc {
template <class _Other>
using rebind_alloc = typename Foo<_Alloc>::template rebind_alloc<_Other>;
template <class>
using rebind = _Wrap_alloc;
};
_Wrap_alloc<int>::rebind<int> w;
// CHECK: Miscellaneous Ungrouped Timers
// CHECK-DAG: LLVM IR Generation Time
// CHECK-DAG: Code Generation Time
// CHECK: Total
// CHECK: Clang front-end time report
// CHECK: Clang front-end timer
// CHECK: Total
|