1 // RUN: %clang_cc1 %s -std=c++11 -emit-llvm -o - -triple=i686-linux-gnu | FileCheck %s
2
3 struct A {
4 A(const A&);
5 A &operator=(const A&);
6 };
7
8 struct B {
9 A a;
10 B(B&&) = default;
11 B &operator=(B&&) = default;
12 };
13
14 // CHECK: define {{.*}} @_Z2f1
f1(B & x)15 void f1(B &x) {
16 // CHECK-NOT: memcpy
17 // CHECK: call {{.*}} @_ZN1BC1EOS_(
18 B b(static_cast<B&&>(x));
19 }
20
21 // CHECK: define {{.*}} @_Z2f2
f2(B & x,B & y)22 void f2(B &x, B &y) {
23 // CHECK-NOT: memcpy
24 // CHECK: call {{.*}} @_ZN1BaSEOS_(
25 x = static_cast<B&&>(y);
26 }
27
28 // CHECK: define {{.*}} @_ZN1BaSEOS_(
29 // CHECK: call {{.*}} @_ZN1AaSERKS_(
30
31 // rdar://18309639 {
32 template<int> struct C { C() = default; };
33 struct D {
34 C<0> c;
DD35 D() { }
36 };
37 template struct C<0>; // was asserting
f3()38 void f3() {
39 C<0> a;
40 D b;
41 }
42 // CHECK: define {{.*}} @_ZN1CILi0EEC1Ev
43 // CHECK: define {{.*}} @_ZN1DC1Ev
44
45 // CHECK: define {{.*}} @_ZN1BC2EOS_(
46 // CHECK: call {{.*}} @_ZN1AC1ERKS_(
47