File: static-init-3.cpp

package info (click to toggle)
llvm-toolchain-9 1%3A9.0.1-16
  • links: PTS, VCS
  • area: main
  • in suites: bullseye
  • size: 882,436 kB
  • sloc: cpp: 4,167,636; ansic: 714,256; asm: 457,610; python: 155,927; objc: 65,094; sh: 42,856; lisp: 26,908; perl: 7,786; pascal: 7,722; makefile: 6,881; ml: 5,581; awk: 3,648; cs: 2,027; xml: 888; javascript: 381; ruby: 156
file content (28 lines) | stat: -rw-r--r-- 787 bytes parent folder | download | duplicates (23)
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
// RUN: %clang_cc1 -emit-llvm -triple x86_64-apple-darwin10.0.0 -o - %s | FileCheck %s

// PR7050
template<class T> struct X0 : public T { };

template <class T>
struct X1
{
     static T & instance;
    // include this to provoke instantiation at pre-execution time
    static void use(T const &) {}
     static T & get() {
        static X0<T> t;
        use(instance);
        return static_cast<T &>(t);
    }
};

// CHECK: @_ZN2X1I2X2I1BEE8instanceE = linkonce_odr global %struct.X2* null, align 8
// CHECJ: @_ZN2X1I2X2I1AEE8instanceE = linkonce_odr global %struct.X2* null, align 8
template<class T> T & X1<T>::instance = X1<T>::get();

class A { };
class B : public A { };

template<typename T> struct X2 {};
X2< B > bg = X1< X2< B > >::get(); 
X2< A > ag = X1< X2< A > >::get();