1 // RUN: %clang_cc1 -std=c++1y %s -triple x86_64-linux-gnu -emit-llvm -o - | FileCheck %s
2 
3 struct 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 
15 int f();
16 
17 union B {
18   int a;
19   int f();
20   int b = f();
21 };
22 
23 A a { .p = "foobar" };
24 A b { 4, "bazquux", .x = 42, .c = 9 };
25 A c { 1, 0, 'A', f(), { 3 } };
26 
27 // CHECK: @[[STR_A:.*]] = {{.*}} [7 x i8] c"foobar\00"
28 // CHECK: @[[STR_B:.*]] = {{.*}} [8 x i8] c"bazquux\00"
29 
30 B x;
31 B y {};
32 B z { 1 };
33 // CHECK: @z = global {{.*}} { i32 1 }
34 
35 // Initialization of 'a':
36 
37 // CHECK: store i32 0, i32* getelementptr inbounds ({{.*}} @a, i32 0, i32 0)
38 // CHECK: store i8* {{.*}} @[[STR_A]]{{.*}}, i8** getelementptr inbounds ({{.*}} @a, i32 0, i32 1)
39 // CHECK: load i32* getelementptr inbounds ({{.*}} @a, i32 0, i32 0)
40 // CHECK: load i8** getelementptr inbounds ({{.*}} @a, i32 0, i32 1)
41 // CHECK: getelementptr inbounds i8* %{{.*}}, {{.*}} %{{.*}}
42 // CHECK: store i8 %{{.*}}, i8* getelementptr inbounds ({{.*}} @a, i32 0, i32 2)
43 // CHECK: call i32 @_ZN1A1fEv({{.*}} @a)
44 // CHECK: store i32 %{{.*}}, i32* getelementptr inbounds ({{.*}}* @a, i32 0, i32 3)
45 // CHECK: call void @{{.*}}C1Ev({{.*}} getelementptr inbounds (%struct.A* @a, i32 0, i32 4))
46 
47 // Initialization of 'b':
48 
49 // CHECK: store i32 4, i32* getelementptr inbounds ({{.*}} @b, i32 0, i32 0)
50 // CHECK: store i8* {{.*}} @[[STR_B]]{{.*}}, i8** getelementptr inbounds ({{.*}} @b, i32 0, i32 1)
51 // CHECK: load i32* getelementptr inbounds ({{.*}} @b, i32 0, i32 0)
52 // CHECK: load i8** getelementptr inbounds ({{.*}} @b, i32 0, i32 1)
53 // CHECK: getelementptr inbounds i8* %{{.*}}, {{.*}} %{{.*}}
54 // CHECK: store i8 %{{.*}}, i8* getelementptr inbounds ({{.*}} @b, i32 0, i32 2)
55 // CHECK-NOT: @_ZN1A1fEv
56 // CHECK: store i32 42, i32* getelementptr inbounds ({{.*}}* @b, i32 0, i32 3)
57 // CHECK-NOT: C1Ev
58 // CHECK: store i8 9, i8* {{.*}} @b, i32 0, i32 4)
59 
60 // Initialization of 'c':
61 
62 // CHECK: store i32 1, i32* getelementptr inbounds ({{.*}} @c, i32 0, i32 0)
63 // CHECK: store i8* null, i8** getelementptr inbounds ({{.*}} @c, i32 0, i32 1)
64 // CHECK-NOT: load
65 // CHECK: store i8 65, i8* getelementptr inbounds ({{.*}} @c, i32 0, i32 2)
66 // CHECK: call i32 @_Z1fv()
67 // CHECK: store i32 %{{.*}}, i32* getelementptr inbounds ({{.*}}* @c, i32 0, i32 3)
68 // CHECK-NOT: C1Ev
69 // CHECK: store i8 3, i8* {{.*}} @c, i32 0, i32 4)
70 
71 // CHECK: call void @_ZN1BC1Ev({{.*}} @x)
72 
73 // CHECK: call i32 @_ZN1B1fEv({{.*}} @y)
74 // CHECK: store i32 %{{.*}}, i32* getelementptr inbounds ({{.*}} @y, i32 0, i32 0)
75