1// RUN: %clang_cc1 -triple x86_64-apple-darwin -std=c++11 -emit-llvm %s -o - | \
2// RUN: FileCheck %s
3// RUN: %clang_cc1 -triple i386-apple-darwin -std=c++11 -emit-llvm %s -o - | \
4// RUN: FileCheck %s
5
6extern "C" int printf(...);
7
8struct B {
9  B() : B1(3.14), B2(3.15), auB2(3.16)  {}
10  float B1;
11  float B2;
12  void pr() {
13    printf("B1 = %f B2 = %f auB1 = %f\n", B1, B2, auB1);
14  }
15
16  B& operator=(const B& arg) { B1 = arg.B1; B2 = arg.B2;
17                               auB1 = arg.auB1; return *this; }
18  union {
19    float auB1;
20    float auB2;
21  };
22};
23
24struct M {
25  M() : M1(10), M2(11) , auM1(12) {}
26  int M1;
27  int M2;
28  void pr() {
29    printf("M1 = %d M2 = %d auM1 = %d auM2 = %d\n", M1, M2, auM1, auM2);
30  }
31  union {
32    int auM1;
33    int auM2;
34  };
35};
36
37struct N  : B {
38  N() : N1(20), N2(21) {}
39  int N1;
40  int N2;
41  void pr() {
42    printf("N1 = %d N2 = %d\n", N1, N2);
43    for (unsigned i = 0; i < 3; i++)
44      for (unsigned j = 0; j < 2; j++)
45        printf("arr_b[%d][%d] = %f\n", i,j,arr_b[i][j].B1);
46    B::pr();
47  }
48  N& operator=(const N& arg) {
49    N1 = arg.N1; N2 = arg.N2;
50    for (unsigned i = 0; i < 3; i++)
51      for (unsigned j = 0; j < 2; j++)
52        arr_b[i][j] = arg.arr_b[i][j];
53    return *this;
54  }
55  B arr_b[3][2];
56};
57
58struct Q  : B {
59  Q() : Q1(30), Q2(31) {}
60  int Q1;
61  int Q2;
62  void pr() {
63    printf("Q1 = %d Q2 = %d\n", Q1, Q2);
64  }
65};
66
67
68struct X : M , N {
69  X() : d(0.0), d1(1.1), d2(1.2), d3(1.3) {}
70  double d;
71  double d1;
72  double d2;
73  double d3;
74  void pr() {
75    printf("d = %f d1 = %f d2 = %f d3 = %f\n", d, d1,d2,d3);
76    M::pr(); N::pr();
77    q1.pr(); q2.pr();
78  }
79
80 Q q1, q2;
81};
82
83
84X srcX;
85X dstX;
86X dstY;
87
88int main() {
89  dstY = dstX = srcX;
90  srcX.pr();
91  dstX.pr();
92  dstY.pr();
93}
94
95// CHECK: define linkonce_odr dereferenceable({{[0-9]+}}) %struct.X* @_ZN1XaSERKS_
96