implicit-copy-assign-operator.cpp revision 93ab6bf534fb6c26563c00f28a8fc5581bb71dfd 
1// RUN: %clang_cc1 -emit-llvm -triple x86_64-apple-darwin10.0.0 -o - %s | FileCheck %s
2struct A {
3  A &operator=(const A&);
4  A &operator=(A&);
5};
6
7struct B {
8  B &operator=(B&);
9};
10
11struct C {
12  virtual C& operator=(const C&);
13};
14
15struct POD {
16  int array[3][4];
17};
18
19struct CopyByValue {
20  CopyByValue(const CopyByValue&);
21  CopyByValue &operator=(CopyByValue);
22};
23
24struct D : A, B, virtual C {
25  int scalar;
26  int scalar_array[2][3];
27  B class_member;
28  C class_member_array[2][3];
29  POD pod_array[2][3];
30
31  union {
32    int x;
33    float f[3];
34  };
35
36  CopyByValue by_value;
37};
38
39void test_D(D d1, D d2) {
40  d1 = d2;
41}
42
43// CHECK-LABEL: define linkonce_odr %struct.D* @_ZN1DaSERS_
44// CHECK: {{call.*_ZN1AaSERS_}}
45// CHECK: {{call.*_ZN1BaSERS_}}
46// CHECK: {{call.*_ZN1CaSERKS_}}
47// CHECK: {{call void @llvm.memcpy.p0i8.p0i8.i64.*i64 28}}
48// CHECK: {{call.*_ZN1BaSERS_}}
49// CHECK: br
50// CHECK: {{call.*_ZN1CaSERKS_}}
51// CHECK: {{call void @llvm.memcpy.p0i8.p0i8.i64.*i64 288}}
52// CHECK: {{call void @llvm.memcpy.p0i8.p0i8.i64.*i64 12}}
53// CHECK: call void @_ZN11CopyByValueC1ERKS_
54// CHECK: {{call.*_ZN11CopyByValueaSES_}}
55// CHECK: ret
56
57