xref: /aosp_15_r20/external/clang/test/CodeGenCXX/cxx11-special-members.cpp (revision 67e74705e28f6214e480b399dd47ea732279e315)
1*67e74705SXin Li // RUN: %clang_cc1 %s -std=c++11 -emit-llvm -o - -triple=i686-linux-gnu | FileCheck %s
2*67e74705SXin Li 
3*67e74705SXin Li struct A {
4*67e74705SXin Li   A(const A&);
5*67e74705SXin Li   A &operator=(const A&);
6*67e74705SXin Li };
7*67e74705SXin Li 
8*67e74705SXin Li struct B {
9*67e74705SXin Li   A a;
10*67e74705SXin Li   B(B&&) = default;
11*67e74705SXin Li   B &operator=(B&&) = default;
12*67e74705SXin Li };
13*67e74705SXin Li 
14*67e74705SXin Li // CHECK: define {{.*}} @_Z2f1
f1(B & x)15*67e74705SXin Li void f1(B &x) {
16*67e74705SXin Li   // CHECK-NOT: memcpy
17*67e74705SXin Li   // CHECK: call {{.*}} @_ZN1BC1EOS_(
18*67e74705SXin Li   B b(static_cast<B&&>(x));
19*67e74705SXin Li }
20*67e74705SXin Li 
21*67e74705SXin Li // CHECK: define {{.*}} @_Z2f2
f2(B & x,B & y)22*67e74705SXin Li void f2(B &x, B &y) {
23*67e74705SXin Li   // CHECK-NOT: memcpy
24*67e74705SXin Li   // CHECK: call {{.*}} @_ZN1BaSEOS_(
25*67e74705SXin Li   x = static_cast<B&&>(y);
26*67e74705SXin Li }
27*67e74705SXin Li 
28*67e74705SXin Li // CHECK: define {{.*}} @_ZN1BaSEOS_(
29*67e74705SXin Li // CHECK: call {{.*}} @_ZN1AaSERKS_(
30*67e74705SXin Li 
31*67e74705SXin Li // rdar://18309639 {
32*67e74705SXin Li template<int> struct C { C() = default; };
33*67e74705SXin Li struct D {
34*67e74705SXin Li   C<0> c;
DD35*67e74705SXin Li   D() { }
36*67e74705SXin Li };
37*67e74705SXin Li template struct C<0>; // was asserting
f3()38*67e74705SXin Li void f3() {
39*67e74705SXin Li   C<0> a;
40*67e74705SXin Li   D b;
41*67e74705SXin Li }
42*67e74705SXin Li // CHECK: define {{.*}} @_ZN1CILi0EEC1Ev
43*67e74705SXin Li // CHECK: define {{.*}} @_ZN1DC1Ev
44*67e74705SXin Li 
45*67e74705SXin Li // CHECK: define {{.*}} @_ZN1BC2EOS_(
46*67e74705SXin Li // CHECK: call {{.*}} @_ZN1AC1ERKS_(
47