xref: /llvm-project/clang/test/CodeGenCXX/debug-info-namespace.cpp (revision bd4837665b2ee1e77dc9337e11ee2aed52a00a93)
1 // RUN: %clang -g -S -emit-llvm %s -o - | FileCheck %s
2 // RUN: %clang -g -gline-tables-only -S -emit-llvm %s -o - | FileCheck -check-prefix=CHECK-GMLT %s
3 // RUN: %clang -g -fno-limit-debug-info -S -emit-llvm %s -o - | FileCheck -check-prefix=CHECK-NOLIMIT %s
4 
5 namespace A {
6 #line 1 "foo.cpp"
7 namespace B {
8 int i;
9 void f1() { }
10 void f1(int) { }
11 struct foo;
12 struct bar { };
13 typedef bar baz;
14 }
15 using namespace B;
16 }
17 
18 using namespace A;
19 
20 int func(bool b) {
21   if (b) {
22     using namespace A::B;
23     return i;
24   }
25   using namespace A;
26   using B::foo;
27   using B::bar;
28   using B::f1;
29   using B::i;
30   using B::baz;
31   return i;
32 }
33 
34 // This should work even if 'i' and 'func' were declarations & not definitions,
35 // but it doesn't yet.
36 
37 // CHECK: [[CU:![0-9]*]] = {{.*}}[[MODULES:![0-9]*]], metadata !""} ; [ DW_TAG_compile_unit ]
38 // CHECK: [[FILE:![0-9]*]] {{.*}}debug-info-namespace.cpp"
39 // CHECK: [[FOOCPP:![0-9]*]] = metadata !{metadata !"foo.cpp", {{.*}}
40 // CHECK: [[NS:![0-9]*]] = {{.*}}, metadata [[FILE2:![0-9]*]], metadata [[CTXT:![0-9]*]], {{.*}} ; [ DW_TAG_namespace ] [B] [line 1]
41 // CHECK: [[CTXT]] = {{.*}}, metadata [[FILE]], null, {{.*}} ; [ DW_TAG_namespace ] [A] [line 5]
42 // CHECK: [[F1:![0-9]*]] {{.*}} ; [ DW_TAG_subprogram ] [line 4] [def] [f1]
43 // CHECK: [[FUNC:![0-9]*]] {{.*}} ; [ DW_TAG_subprogram ] [line 14] [def] [func]
44 // CHECK: [[FILE2]]} ; [ DW_TAG_file_type ] [{{.*}}foo.cpp]
45 // CHECK: [[I:![0-9]*]] = {{.*}}, metadata [[NS]], metadata !"i", {{.*}} ; [ DW_TAG_variable ] [i]
46 // 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]*]], metadata [[M9:![0-9]*]]}
47 // CHECK: [[M1]] = metadata !{i32 {{[0-9]*}}, metadata [[CTXT]], metadata [[NS]], i32 9} ; [ DW_TAG_imported_module ]
48 // CHECK: [[M2]] = metadata !{i32 {{[0-9]*}}, metadata [[CU]], metadata [[CTXT]], i32 12} ; [ DW_TAG_imported_module ]
49 // CHECK: [[M3]] = metadata !{i32 {{[0-9]*}}, metadata [[LEX:![0-9]*]], metadata [[NS]], i32 16} ; [ DW_TAG_imported_module ]
50 // CHECK: [[LEX]] = metadata !{i32 {{[0-9]*}}, metadata [[FILE2]], metadata [[FUNC]], i32 15, i32 0, i32 0} ; [ DW_TAG_lexical_block ]
51 // CHECK: [[M4]] = metadata !{i32 {{[0-9]*}}, metadata [[FUNC]], metadata [[CTXT]], i32 19} ; [ DW_TAG_imported_module ]
52 // CHECK: [[M5]] = metadata !{i32 {{[0-9]*}}, metadata [[FUNC]], metadata [[FOO:![0-9]*]], i32 20} ; [ DW_TAG_imported_declaration ]
53 // CHECK: [[FOO]] {{.*}} ; [ DW_TAG_structure_type ] [foo] [line 5, size 0, align 0, offset 0] [fwd] [from ]
54 // CHECK: [[M6]] = metadata !{i32 {{[0-9]*}}, metadata [[FUNC]], metadata [[BAR:![0-9]*]], i32 21} ; [ DW_TAG_imported_declaration ]
55 // CHECK: [[BAR]] {{.*}} ; [ DW_TAG_structure_type ] [bar] [line 6, {{.*}}] [fwd] [from ]
56 // CHECK: [[M7]] = metadata !{i32 {{[0-9]*}}, metadata [[FUNC]], metadata [[F1]], i32 22} ; [ DW_TAG_imported_declaration ]
57 // CHECK: [[M8]] = metadata !{i32 {{[0-9]*}}, metadata [[FUNC]], metadata [[I]], i32 23} ; [ DW_TAG_imported_declaration ]
58 // CHECK: [[M9]] = metadata !{i32 {{[0-9]*}}, metadata [[FUNC]], metadata [[BAZ:![0-9]*]], i32 24} ; [ DW_TAG_imported_declaration ]
59 // CHECK: [[BAZ]] = metadata !{i32 {{[0-9]*}}, metadata [[FOOCPP]], metadata [[NS]], {{.*}} ; [ DW_TAG_typedef ] [baz] {{.*}} [from bar]
60 
61 // CHECK-GMLT: [[CU:![0-9]*]] = {{.*}}[[MODULES:![0-9]*]], metadata !""} ; [ DW_TAG_compile_unit ]
62 // CHECK-GMLT: [[MODULES]] = metadata !{i32 0}
63 
64 // CHECK-NOLIMIT: ; [ DW_TAG_structure_type ] [bar] [line 6, {{.*}}] [from ]
65 
66 // FIXME: It is confused on win32 to generate file entry when dosish filename is given.
67 // REQUIRES: shell
68