File: template-linkage.cpp

package info (click to toggle)
llvm-toolchain-3.9 1%3A3.9.1-9
  • links: PTS, VCS
  • area: main
  • in suites: stretch
  • size: 441,144 kB
  • ctags: 428,836
  • sloc: cpp: 2,546,577; ansic: 538,318; asm: 119,677; objc: 103,316; python: 102,148; sh: 27,847; pascal: 5,626; ml: 5,510; perl: 5,293; lisp: 4,801; makefile: 2,177; xml: 686; cs: 362; php: 212; csh: 117
file content (64 lines) | stat: -rw-r--r-- 1,424 bytes parent folder | download | duplicates (18)
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
// RUN: %clang_cc1 %s -triple=x86_64-apple-darwin10 -emit-llvm -o - | FileCheck %s

// CHECK: Outer5Inner{{.*}}localE6memberE = external global

template<typename T> struct A {
  virtual void f(T) { }
  inline void g() { } 
};

// Explicit instantiations have external linkage.

// CHECK-LABEL: define weak_odr void @_ZN1AIiE1gEv(
template void A<int>::g();

// CHECK-LABEL: define weak_odr void @_ZN1AIfE1fEf(
// CHECK-LABEL: define weak_odr void @_ZN1AIfE1gEv(
// FIXME: This should also emit the vtable.
template struct A<float>;

// CHECK-LABEL: define weak_odr void @_Z1fIiEvT_
template <typename T> void f(T) { }
template void f<int>(int);

// CHECK-LABEL: define weak_odr void @_Z1gIiEvT_
template <typename T> inline void g(T) { }
template void g<int>(int);

template<typename T>
struct X0 {
  virtual ~X0() { }
};

template<typename T>
struct X1 : X0<T> {
  virtual void blarg();
};

template<typename T> void X1<T>::blarg() { }

extern template struct X0<char>;
extern template struct X1<char>;

// CHECK-LABEL: define linkonce_odr void @_ZN2X1IcED1Ev(%struct.X1* %this) unnamed_addr
void test_X1() {
  X1<char> i1c;
}

namespace PR14825 {
struct Outer {
  template <typename T> struct Inner {
    static int member;
  };
  template <typename T> void Get() {
    int m = Inner<T>::member;
  }
};

void test() {
  struct local {};
  Outer o;
  typedef void (Outer::*mptr)();
  mptr method = &Outer::Get<local>;
}
}