1 // RUN: %clang_cc1 -g -fno-standalone-debug -S -emit-llvm %s -o - | FileCheck %s
2 // RUN: %clang_cc1 -g -gline-tables-only -S -emit-llvm %s -o - | FileCheck -check-prefix=CHECK-GMLT %s
3 // RUN: %clang_cc1 -g -fstandalone-debug -S -emit-llvm %s -o - | FileCheck -check-prefix=CHECK-NOLIMIT %s
4
5 namespace A {
6 #line 1 "foo.cpp"
7 namespace B {
8 extern int i;
f1()9 int f1() { return 0; }
f1(int)10 void f1(int) { }
11 struct foo;
12 struct bar { };
13 typedef bar baz;
14 extern int var_decl;
15 void func_decl(void);
16 extern int var_fwd;
17 void func_fwd(void);
18 }
19 }
20 namespace A {
21 using namespace B;
22 }
23
24 using namespace A;
25 namespace E = A;
26 int B::i = f1();
func(bool b)27 int func(bool b) {
28 if (b) {
29 using namespace A::B;
30 return i;
31 }
32 using namespace A;
33 using B::foo;
34 using B::bar;
35 using B::f1;
36 using B::i;
37 using B::baz;
38 namespace X = A;
39 namespace Y = X;
40 using B::var_decl;
41 using B::func_decl;
42 using B::var_fwd;
43 using B::func_fwd;
44 return i + X::B::i + Y::B::i;
45 }
46
47 namespace A {
48 using B::i;
49 namespace B {
50 int var_fwd = i;
51 }
52 }
func_fwd()53 void B::func_fwd() {}
54
55 // This should work even if 'i' and 'func' were declarations & not definitions,
56 // but it doesn't yet.
57
58 // CHECK: [[CU:![0-9]*]] = !{!"0x11\00{{.*}}\001"{{.*}}, [[MODULES:![0-9]*]]} ; [ DW_TAG_compile_unit ]
59 // CHECK: [[FOO:![0-9]*]] {{.*}} ; [ DW_TAG_structure_type ] [foo] [line 5, size 0, align 0, offset 0] [decl] [from ]
60 // CHECK: [[FOOCPP:![0-9]*]] = !{!"foo.cpp", {{.*}}
61 // CHECK: [[NS:![0-9]*]] = !{!"0x39\00B\001", [[FILE2:![0-9]*]], [[CTXT:![0-9]*]]} ; [ DW_TAG_namespace ] [B] [line 1]
62 // CHECK: [[CTXT]] = !{!"0x39\00A\005", [[FILE:![0-9]*]], null} ; [ DW_TAG_namespace ] [A] [line 5]
63 // CHECK: [[FILE]] {{.*}}debug-info-namespace.cpp"
64 // CHECK: [[BAR:![0-9]*]] {{.*}} ; [ DW_TAG_structure_type ] [bar] [line 6, {{.*}}] [decl] [from ]
65 // CHECK: [[F1:![0-9]*]] {{.*}} ; [ DW_TAG_subprogram ] [line 4] [def] [f1]
66 // CHECK: [[FILE2]]} ; [ DW_TAG_file_type ] [{{.*}}foo.cpp]
67 // CHECK: [[FUNC:![0-9]*]] {{.*}} ; [ DW_TAG_subprogram ] {{.*}} [def] [func]
68 // CHECK: [[FUNC_FWD:![0-9]*]] {{.*}} [ DW_TAG_subprogram ] [line 47] [def] [func_fwd]
69 // CHECK: [[I:![0-9]*]] = !{!"0x34\00i\00{{.*}}", [[NS]], {{.*}} ; [ DW_TAG_variable ] [i]
70 // CHECK: [[VAR_FWD:![0-9]*]] = !{!"0x34\00var_fwd\00{{.*}}", [[NS]], {{.*}}} ; [ DW_TAG_variable ] [var_fwd] [line 44] [def]
71
72 // CHECK: [[MODULES]] = !{[[M1:![0-9]*]], [[M2:![0-9]*]], [[M3:![0-9]*]], [[M4:![0-9]*]], [[M5:![0-9]*]], [[M6:![0-9]*]], [[M7:![0-9]*]], [[M8:![0-9]*]], [[M9:![0-9]*]], [[M10:![0-9]*]], [[M11:![0-9]*]], [[M12:![0-9]*]], [[M13:![0-9]*]], [[M14:![0-9]*]], [[M15:![0-9]*]], [[M16:![0-9]*]], [[M17:![0-9]*]]}
73 // CHECK: [[M1]] = !{!"0x3a\0015\00", [[CTXT]], [[NS]]} ; [ DW_TAG_imported_module ]
74 // CHECK: [[M2]] = !{!"0x3a\00{{[0-9]+}}\00", [[CU]], [[CTXT]]} ; [ DW_TAG_imported_module ]
75 // CHECK: [[M3]] = !{!"0x8\0019\00E", [[CU]], [[CTXT]]} ; [ DW_TAG_imported_declaration ]
76 // CHECK: [[M4]] = !{!"0x3a\0023\00", [[LEX2:![0-9]*]], [[NS]]} ; [ DW_TAG_imported_module ]
77 // CHECK: [[LEX2]] = !{!"0xb\00{{[0-9]*}}\000\00{{.*}}", [[FILE2]], [[LEX1:![0-9]+]]} ; [ DW_TAG_lexical_block ]
78 // CHECK: [[LEX1]] = !{!"0xb\00{{[0-9]*}}\000\00{{.*}}", [[FILE2]], [[FUNC]]} ; [ DW_TAG_lexical_block ]
79 // CHECK: [[M5]] = !{!"0x3a\00{{[0-9]+}}\00", [[FUNC]], [[CTXT]]} ; [ DW_TAG_imported_module ]
80 // CHECK: [[M6]] = !{!"0x8\0027\00", [[FUNC]], [[FOO:!"_ZTSN1A1B3fooE"]]} ; [ DW_TAG_imported_declaration ]
81 // CHECK: [[M7]] = !{!"0x8\00{{[0-9]+}}\00", [[FUNC]], [[BAR:!"_ZTSN1A1B3barE"]]} ; [ DW_TAG_imported_declaration ]
82 // CHECK: [[M8]] = !{!"0x8\00{{[0-9]+}}\00", [[FUNC]], [[F1]]} ; [ DW_TAG_imported_declaration ]
83 // CHECK: [[M9]] = !{!"0x8\00{{[0-9]+}}\00", [[FUNC]], [[I]]} ; [ DW_TAG_imported_declaration ]
84 // CHECK: [[M10]] = !{!"0x8\00{{[0-9]+}}\00", [[FUNC]], [[BAZ:![0-9]*]]} ; [ DW_TAG_imported_declaration ]
85 // CHECK: [[BAZ]] = !{!"0x16\00baz\00{{.*}}", [[FOOCPP]], [[NS]], !"_ZTSN1A1B3barE"} ; [ DW_TAG_typedef ] [baz] {{.*}} [from _ZTSN1A1B3barE]
86 // CHECK: [[M11]] = !{!"0x8\00{{[0-9]+}}\00X", [[FUNC]], [[CTXT]]} ; [ DW_TAG_imported_declaration ]
87 // CHECK: [[M12]] = !{!"0x8\00{{[0-9]+}}\00Y", [[FUNC]], [[M11]]} ; [ DW_TAG_imported_declaration ]
88 // CHECK: [[M13]] = !{!"0x8\00{{[0-9]+}}\00", [[FUNC]], [[VAR_DECL:![0-9]*]]} ; [ DW_TAG_imported_declaration ]
89 // CHECK [[VAR_DECL]] = !{!"0x34\00var_decl\00{{.*}}", [[NS]], {{.*}}} ; [ DW_TAG_variable ] [var_decl] [line 8]
90 // CHECK: [[M14]] = !{!"0x8\00{{[0-9]+}}\00", [[FUNC]], [[FUNC_DECL:![0-9]*]]} ; [ DW_TAG_imported_declaration ]
91 // CHECK: [[FUNC_DECL]] = !{!"0x2e\00func_decl\00{{.*}}", [[FOOCPP]], [[NS]], {{.*}}} ; [ DW_TAG_subprogram ] [line 9] [scope 0] [func_decl]
92 // CHECK: [[M15]] = !{!"0x8\00{{[0-9]+}}\00", [[FUNC]], [[VAR_FWD:![0-9]*]]} ; [ DW_TAG_imported_declaration ]
93 // CHECK: [[M16]] = !{!"0x8\00{{[0-9]+}}\00", [[FUNC]], [[FUNC_FWD:![0-9]*]]} ; [ DW_TAG_imported_declaration ]
94 // CHECK: [[M17]] = !{!"0x8\00{{[0-9]+}}\00", [[CTXT]], [[I]]} ; [ DW_TAG_imported_declaration ]
95 // CHECK-GMLT: [[CU:![0-9]*]] = !{!"0x11\00{{.*}}\002"{{.*}}, [[MODULES:![0-9]*]]} ; [ DW_TAG_compile_unit ]
96 // CHECK-GMLT: [[MODULES]] = !{}
97
98 // CHECK-NOLIMIT: ; [ DW_TAG_structure_type ] [bar] [line 6, {{.*}}] [def] [from ]
99
100 // REQUIRES: shell-preserves-root
101 // REQUIRES: dw2
102