xref: /llvm-project/clang/test/CodeGenCXX/debug-info-namespace.cpp (revision b0b645cad157a6ee505084fcee9086c43f960fe0)
1 // RUN: %clang  -g -S -emit-llvm %s -o - | FileCheck %s
2 
3 namespace A {
4 #line 1 "foo.cpp"
5 namespace B {
6 int i;
7 void f1() { }
8 void f1(int) { }
9 struct foo;
10 struct bar { };
11 }
12 using namespace B;
13 }
14 
15 using namespace A;
16 
17 int func(bool b) {
18   if (b) {
19     using namespace A::B;
20     return i;
21   }
22   using namespace A;
23   using B::foo;
24   using B::bar;
25   using B::f1;
26   using B::i;
27   bar x;
28   return i;
29 }
30 
31 // This should work even if 'i' and 'func' were declarations & not definitions,
32 // but it doesn't yet.
33 
34 // CHECK: [[CU:![0-9]*]] = {{.*}}[[MODULES:![0-9]*]], metadata !""} ; [ DW_TAG_compile_unit ]
35 // CHECK: [[FILE:![0-9]*]] {{.*}}debug-info-namespace.cpp"
36 // CHECK: [[NS:![0-9]*]] = {{.*}}, metadata [[FILE2:![0-9]*]], metadata [[CTXT:![0-9]*]], {{.*}} ; [ DW_TAG_namespace ] [B] [line 1]
37 // CHECK: [[CTXT]] = {{.*}}, metadata [[FILE]], null, {{.*}} ; [ DW_TAG_namespace ] [A] [line 3]
38 // CHECK: [[F1:![0-9]*]] {{.*}} ; [ DW_TAG_subprogram ] [line 4] [def] [f1]
39 // CHECK: [[FUNC:![0-9]*]] {{.*}} ; [ DW_TAG_subprogram ] [line 13] [def] [func]
40 // CHECK: [[FILE2]]} ; [ DW_TAG_file_type ] [{{.*}}foo.cpp]
41 // CHECK: [[I:![0-9]*]] = {{.*}}, metadata [[NS]], metadata !"i", {{.*}} ; [ DW_TAG_variable ] [i]
42 // CHECK: [[MODULES]] = metadata !{metadata [[M1:![0-9]*]], metadata [[M2:![0-9]*]], metadata [[M3:![0-9]*]], metadata [[M4:![0-9]*]], metadata [[M5:![0-9]*]], metadata [[M6:![0-9]*]], metadata [[M7:![0-9]*]], metadata [[M8:![0-9]*]]}
43 // CHECK: [[M1]] = metadata !{i32 {{[0-9]*}}, metadata [[CTXT]], metadata [[NS]], i32 8} ; [ DW_TAG_imported_module ]
44 // CHECK: [[M2]] = metadata !{i32 {{[0-9]*}}, metadata [[CU]], metadata [[CTXT]], i32 11} ; [ DW_TAG_imported_module ]
45 // CHECK: [[M3]] = metadata !{i32 {{[0-9]*}}, metadata [[LEX:![0-9]*]], metadata [[NS]], i32 15} ; [ DW_TAG_imported_module ]
46 // CHECK: [[LEX]] = metadata !{i32 {{[0-9]*}}, metadata [[FILE2]], metadata [[FUNC]], i32 14, i32 0, i32 0} ; [ DW_TAG_lexical_block ]
47 // CHECK: [[M4]] = metadata !{i32 {{[0-9]*}}, metadata [[FUNC]], metadata [[CTXT]], i32 18} ; [ DW_TAG_imported_module ]
48 // CHECK: [[M5]] = metadata !{i32 {{[0-9]*}}, metadata [[FUNC]], metadata [[FOO:![0-9]*]], i32 19} ; [ DW_TAG_imported_declaration ]
49 // CHECK: [[FOO]] {{.*}} ; [ DW_TAG_structure_type ] [foo] [line 5, size 0, align 0, offset 0] [fwd] [from ]
50 // CHECK: [[M6]] = metadata !{i32 {{[0-9]*}}, metadata [[FUNC]], metadata [[BAR:![0-9]*]], i32 20} ; [ DW_TAG_imported_declaration ]
51 // CHECK: [[BAR]] {{.*}} ; [ DW_TAG_structure_type ] [bar] [line 6, {{.*}}] [from ]
52 // CHECK: [[M7]] = metadata !{i32 {{[0-9]*}}, metadata [[FUNC]], metadata [[F1]], i32 21} ; [ DW_TAG_imported_declaration ]
53 // CHECK: [[M8]] = metadata !{i32 {{[0-9]*}}, metadata [[FUNC]], metadata [[I]], i32 22} ; [ DW_TAG_imported_declaration ]
54 
55 // FIXME: It is confused on win32 to generate file entry when dosish filename is given.
56 // REQUIRES: shell
57