1 // RUN: %clangxx -target x86_64-unknown-unknown -g %s -emit-llvm -S -o - | FileCheck %s
2 // PR14471
3
4 enum X {
5 Y
6 };
7 class C
8 {
9 static int a;
10 const static bool const_a = true;
11 protected:
12 static int b;
13 const static float const_b = 3.14;
14 public:
15 static int c;
16 const static int const_c = 18;
17 int d;
18 static X x_a;
19 };
20
21 int C::a = 4;
22 int C::b = 2;
23 int C::c = 1;
24
main()25 int main()
26 {
27 C instance_C;
28 instance_C.d = 8;
29 return C::c;
30 }
31
32 // The definition of C::a drives the emission of class C, which is
33 // why the definition of "a" comes before the declarations while
34 // "b" and "c" come after.
35
36 // CHECK: !"_ZTS1X"} ; [ DW_TAG_enumeration_type ] [X]
37 // CHECK: !"_ZTS1C"} ; [ DW_TAG_class_type ] [C]
38 // CHECK: ![[DECL_A:[0-9]+]] = {{.*}} [ DW_TAG_member ] [a] [line {{.*}}, size 0, align 0, offset 0] [static]
39 // CHECK: !"0xd\00const_a\00{{.*}}", {{.*}}, i1 true} ; [ DW_TAG_member ] [const_a] [line {{.*}}, size 0, align 0, offset 0] [static]
40 // CHECK: ![[DECL_B:[0-9]+]] = !{!"0xd\00b\00{{.*}}", {{.*}} [ DW_TAG_member ] [b] [line {{.*}}, size 0, align 0, offset 0] [protected] [static]
41 // CHECK: !"0xd\00const_b\00{{.*}}", {{.*}}, float 0x{{.*}}} ; [ DW_TAG_member ] [const_b] [line {{.*}}, size 0, align 0, offset 0] [protected] [static]
42 // CHECK: ![[DECL_C:[0-9]+]] = !{!"0xd\00c\00{{.*}}", {{.*}} [ DW_TAG_member ] [c] [line {{.*}}, size 0, align 0, offset 0] [public] [static]
43 // CHECK: !"0xd\00const_c\00{{.*}}", {{.*}} [ DW_TAG_member ] [const_c] [line {{.*}}, size 0, align 0, offset 0] [public] [static]
44 // CHECK: !"0xd\00x_a\00{{.*}}", {{.*}} [ DW_TAG_member ] [x_a] {{.*}} [public] [static]
45
46 // CHECK: ; [ DW_TAG_structure_type ] [static_decl_templ<int>] {{.*}} [def]
47 // CHECK: ; [ DW_TAG_member ] [static_decl_templ_var]
48
49 // CHECK: [[NS_X:![0-9]+]] = {{.*}} ; [ DW_TAG_namespace ] [x]
50
51 // Test this in an anonymous namespace to ensure the type is retained even when
52 // it doesn't get automatically retained by the string type reference machinery.
53 namespace {
54 struct anon_static_decl_struct {
55 static const int anon_static_decl_var = 117;
56 };
57 }
58
59
60 // CHECK: ; [ DW_TAG_structure_type ] [anon_static_decl_struct] {{.*}} [def]
61 // CHECK: ; [ DW_TAG_member ] [anon_static_decl_var]
62
ref()63 int ref() {
64 return anon_static_decl_struct::anon_static_decl_var;
65 }
66
67 template<typename T>
68 struct static_decl_templ {
69 static const int static_decl_templ_var = 7;
70 };
71
72 template<typename T>
73 const int static_decl_templ<T>::static_decl_templ_var;
74
static_decl_templ_ref()75 int static_decl_templ_ref() {
76 return static_decl_templ<int>::static_decl_templ_var;
77 }
78
79 // CHECK: !"0x34\00a\00{{.*}}", null, {{.*}} @_ZN1C1aE, ![[DECL_A]]} ; [ DW_TAG_variable ] [a] {{.*}} [def]
80 // CHECK: !"0x34\00b\00{{.*}}", null, {{.*}} @_ZN1C1bE, ![[DECL_B]]} ; [ DW_TAG_variable ] [b] {{.*}} [def]
81 // CHECK: !"0x34\00c\00{{.*}}", null, {{.*}} @_ZN1C1cE, ![[DECL_C]]} ; [ DW_TAG_variable ] [c] {{.*}} [def]
82
83 // CHECK-NOT: ; [ DW_TAG_variable ] [anon_static_decl_var]
84
85 // Verify that even when a static member declaration is created lazily when
86 // creating the definition, the declaration line is that of the canonical
87 // declaration, not the definition. Also, since we look at the canonical
88 // definition, we should also correctly emit the constant value (42) into the
89 // debug info.
90 struct V {
91 virtual ~V(); // cause the definition of 'V' to be omitted by no-standalone-debug optimization
92 static const int const_va = 42;
93 };
94 // CHECK: i32 42} ; [ DW_TAG_member ] [const_va] [line [[@LINE-2]],
95 const int V::const_va;
96
97 namespace x {
98 struct y {
99 static int z;
100 };
101 int y::z;
102 }
103
104 // CHECK: !"0x34\00z\00{{.*}}", [[NS_X]], {{.*}} ; [ DW_TAG_variable ] [z] {{.*}} [def]
105