1; RUN: %llc_dwarf -O0 -filetype=obj -dwarf-linkage-names=All < %s | llvm-dwarfdump -v -debug-info - | FileCheck %s
2
3; Generate from clang with the following source. Note that the definition of
4; the inline function follows its use to workaround another bug that should be
5; fixed soon.
6; namespace ns {
7; int func(int i);
8; }
9; extern int x;
10; int main() { return ns::func(x); }
11; int __attribute__((always_inline)) ns::func(int i) { return i * 2; }
12
13; CHECK: DW_TAG_namespace
14; CHECK-NEXT: DW_AT_name {{.*}} "ns"
15; CHECK-NOT: DW_TAG
16; CHECK:   DW_TAG_subprogram
17; CHECK-NOT: DW_TAG
18; CHECK:   DW_AT_linkage_name {{.*}} "_ZN2ns4funcEi"
19; CHECK-NOT: DW_TAG
20; CHECK:   DW_TAG_formal_parameter
21; CHECK:   NULL
22; CHECK-NOT: NULL
23; CHECK:   DW_TAG_subprogram
24; CHECK-NOT: DW_TAG
25; CHECK:     DW_AT_abstract_origin {{.*}} "_ZN2ns4funcEi"
26; CHECK-NOT: DW_TAG
27; CHECK:     DW_TAG_formal_parameter
28; CHECK:       DW_AT_abstract_origin {{.*}} "i"
29; CHECK:     NULL
30; CHECK:   NULL
31; CHECK: NULL
32
33@x = external global i32
34
35; Function Attrs: uwtable
36define i32 @main() #0 !dbg !4 {
37entry:
38  %i.addr.i = alloca i32, align 4
39  %retval = alloca i32, align 4
40  store i32 0, i32* %retval
41  %0 = load i32, i32* @x, align 4, !dbg !16
42  store i32 %0, i32* %i.addr.i, align 4
43  call void @llvm.dbg.declare(metadata i32* %i.addr.i, metadata !117, metadata !DIExpression()), !dbg !18
44  %1 = load i32, i32* %i.addr.i, align 4, !dbg !18
45  %mul.i = mul nsw i32 %1, 2, !dbg !18
46  ret i32 %mul.i, !dbg !16
47}
48
49; Function Attrs: alwaysinline nounwind uwtable
50define i32 @_ZN2ns4funcEi(i32 %i) #1 !dbg !9 {
51entry:
52  %i.addr = alloca i32, align 4
53  store i32 %i, i32* %i.addr, align 4
54  call void @llvm.dbg.declare(metadata i32* %i.addr, metadata !17, metadata !DIExpression()), !dbg !19
55  %0 = load i32, i32* %i.addr, align 4, !dbg !19
56  %mul = mul nsw i32 %0, 2, !dbg !19
57  ret i32 %mul, !dbg !19
58}
59
60; Function Attrs: nounwind readnone
61declare void @llvm.dbg.declare(metadata, metadata, metadata) #2
62
63attributes #0 = { uwtable "less-precise-fpmad"="false" "frame-pointer"="all" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" }
64attributes #1 = { alwaysinline nounwind uwtable "less-precise-fpmad"="false" "frame-pointer"="all" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" }
65attributes #2 = { nounwind readnone }
66
67!llvm.dbg.cu = !{!0}
68!llvm.module.flags = !{!13, !14}
69!llvm.ident = !{!15}
70
71!0 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, producer: "clang version 3.5.0 ", isOptimized: false, emissionKind: FullDebug, file: !1, enums: !2, retainedTypes: !2, globals: !2, imports: !2)
72!1 = !DIFile(filename: "namespace_inline_function_definition.cpp", directory: "/tmp/dbginfo")
73!2 = !{}
74!4 = distinct !DISubprogram(name: "main", line: 5, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, unit: !0, scopeLine: 5, file: !1, scope: !5, type: !6, retainedNodes: !2)
75!5 = !DIFile(filename: "namespace_inline_function_definition.cpp", directory: "/tmp/dbginfo")
76!6 = !DISubroutineType(types: !7)
77!7 = !{!8}
78!8 = !DIBasicType(tag: DW_TAG_base_type, name: "int", size: 32, align: 32, encoding: DW_ATE_signed)
79!9 = distinct !DISubprogram(name: "func", linkageName: "_ZN2ns4funcEi", line: 6, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, unit: !0, scopeLine: 6, file: !1, scope: !10, type: !11, retainedNodes: !2)
80!10 = !DINamespace(name: "ns", scope: null)
81!11 = !DISubroutineType(types: !12)
82!12 = !{!8, !8}
83!13 = !{i32 2, !"Dwarf Version", i32 4}
84!14 = !{i32 2, !"Debug Info Version", i32 3}
85!15 = !{!"clang version 3.5.0 "}
86!16 = !DILocation(line: 5, scope: !4)
87!17 = !DILocalVariable(name: "i", line: 6, arg: 1, scope: !9, file: !5, type: !8)
88
89!117 = !DILocalVariable(name: "i", line: 6, arg: 1, scope: !9, file: !5, type: !8)
90
91!18 = !DILocation(line: 6, scope: !9, inlinedAt: !16)
92!19 = !DILocation(line: 6, scope: !9)
93