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
| // RUN: %clang_cc1 %s -std=c++11 -emit-llvm -o - -triple=i686-linux-gnu | FileCheck %s
struct A {
A(const A&);
A &operator=(const A&);
};
struct B {
A a;
B(B&&) = default;
B &operator=(B&&) = default;
};
// CHECK: define {{.*}} @_Z2f1
void f1(B &x) {
// CHECK-NOT: memcpy
// CHECK: call {{.*}} @_ZN1BC1EOS_(
B b(static_cast<B&&>(x));
}
// CHECK: define {{.*}} @_Z2f2
void f2(B &x, B &y) {
// CHECK-NOT: memcpy
// CHECK: call {{.*}} @_ZN1BaSEOS_(
x = static_cast<B&&>(y);
}
// CHECK: define {{.*}} @_ZN1BaSEOS_(
// CHECK: call {{.*}} @_ZN1AaSERKS_(
// rdar://18309639 {
template<int> struct C { C() = default; };
struct D {
C<0> c;
D() { }
};
template struct C<0>; // was asserting
void f3() {
C<0> a;
D b;
}
// Trivial default ctor, might or might not be defined, but we must not expect
// someone else to define it.
// CHECK-NOT: declare {{.*}} @_ZN1CILi0EEC1Ev
// CHECK: define {{.*}} @_ZN1DC1Ev
// CHECK: define {{.*}} @_ZN1BC2EOS_(
// CHECK: call {{.*}} @_ZN1AC1ERKS_(
|