1// RUN: %clang_cc1 -std=c++1y %s -triple x86_64-linux-gnu -emit-llvm -o - | FileCheck %s
2
3struct A {
4  int n = 0;
5  const char *p;
6  char k = p[n];
7  int f();
8  int x = f();
9  union {
10    char c;
11    double d = 1.0;
12  };
13};
14
15int f();
16
17union B {
18  int a;
19  int f();
20  int b = f();
21};
22
23A a { .p = "foobar" };
24A b { 4, "bazquux", .x = 42, .c = 9 };
25A c { 1, 0, 'A', f(), { 3 } };
26
27// CHECK: @[[STR_A:.*]] = {{.*}} [7 x i8] c"foobar\00"
28// CHECK: @a = global {{.*}} zeroinitializer
29
30// @b has a constant initializer
31// CHECK: @[[STR_B:.*]] = {{.*}} [8 x i8] c"bazquux\00"
32// CHECK: @b = global {{.*}} i32 4, {{.*}} @[[STR_B]], {{.*}} i8 117, i32 42, {{.*}} i8 9
33
34B x;
35B y {};
36B z { 1 };
37// CHECK: @z = global {{.*}} { i32 1 }
38
39// Brace initialization should initialize the first field even though it is
40// unnamed.
41union C {
42  struct {
43    int C::*memptr;
44  };
45};
46
47C n{};
48// CHECK: @n = global %union.C { %struct.anon { i64 -1 } }, align 8
49
50// Initialization of 'a':
51
52// CHECK: store i32 0, i32* getelementptr inbounds ({{.*}} @a, i32 0, i32 0)
53// CHECK: store i8* {{.*}} @[[STR_A]]{{.*}}, i8** getelementptr inbounds ({{.*}} @a, i32 0, i32 1)
54// CHECK: load i32, i32* getelementptr inbounds ({{.*}} @a, i32 0, i32 0)
55// CHECK: load i8*, i8** getelementptr inbounds ({{.*}} @a, i32 0, i32 1)
56// CHECK: getelementptr inbounds i8, i8* %{{.*}}, {{.*}} %{{.*}}
57// CHECK: store i8 %{{.*}}, i8* getelementptr inbounds ({{.*}} @a, i32 0, i32 2)
58// CHECK: call i32 @_ZN1A1fEv({{.*}} @a)
59// CHECK: store i32 %{{.*}}, i32* getelementptr inbounds ({{.*}}, {{.*}}* @a, i32 0, i32 3)
60// CHECK: store double 1.000000e+00, double* getelementptr inbounds ({{.*}} @a, i32 0, i32 4, i32 0)
61
62// No dynamic initialization of 'b':
63
64// CHECK-NOT: @b
65
66// Initialization of 'c':
67
68// CHECK: store i32 1, i32* getelementptr inbounds ({{.*}} @c, i32 0, i32 0)
69// CHECK: store i8* null, i8** getelementptr inbounds ({{.*}} @c, i32 0, i32 1)
70// CHECK-NOT: load
71// CHECK: store i8 65, i8* getelementptr inbounds ({{.*}} @c, i32 0, i32 2)
72// CHECK: call i32 @_Z1fv()
73// CHECK: store i32 %{{.*}}, i32* getelementptr inbounds ({{.*}}, {{.*}}* @c, i32 0, i32 3)
74// CHECK-NOT: C1Ev
75// CHECK: store i8 3, i8* {{.*}} @c, i32 0, i32 4)
76
77// CHECK: call void @_ZN1BC1Ev({{.*}} @x)
78
79// CHECK: call i32 @_ZN1B1fEv({{.*}} @y)
80// CHECK: store i32 %{{.*}}, i32* getelementptr inbounds ({{.*}} @y, i32 0, i32 0)
81