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1; REQUIRES: object-emission
2
3; RUN: %llc_dwarf -O0 -filetype=obj -dwarf-linkage-names=All < %s | llvm-dwarfdump -debug-dump=info - | FileCheck %s
4
5; Generate from clang with the following source. Note that the definition of
6; the inline function follows its use to workaround another bug that should be
7; fixed soon.
8; namespace ns {
9; int func(int i);
10; }
11; extern int x;
12; int main() { return ns::func(x); }
13; int __attribute__((always_inline)) ns::func(int i) { return i * 2; }
14
15; CHECK: DW_TAG_namespace
16; CHECK-NEXT: DW_AT_name {{.*}} "ns"
17; CHECK-NOT: DW_TAG
18; CHECK:   DW_TAG_subprogram
19; CHECK-NOT: DW_TAG
20; CHECK:   DW_AT_linkage_name {{.*}} "_ZN2ns4funcEi"
21; CHECK-NOT: DW_TAG
22; CHECK:   DW_TAG_formal_parameter
23; CHECK:   NULL
24; CHECK-NOT: NULL
25; CHECK:   DW_TAG_subprogram
26; CHECK-NOT: DW_TAG
27; CHECK:     DW_AT_abstract_origin {{.*}} "_ZN2ns4funcEi"
28; CHECK-NOT: DW_TAG
29; CHECK:     DW_TAG_formal_parameter
30; CHECK:       DW_AT_abstract_origin {{.*}} "i"
31; CHECK:     NULL
32; CHECK:   NULL
33; CHECK: NULL
34
35@x = external global i32
36
37; Function Attrs: uwtable
38define i32 @main() #0 !dbg !4 {
39entry:
40  %i.addr.i = alloca i32, align 4
41  %retval = alloca i32, align 4
42  store i32 0, i32* %retval
43  %0 = load i32, i32* @x, align 4, !dbg !16
44  store i32 %0, i32* %i.addr.i, align 4
45  call void @llvm.dbg.declare(metadata i32* %i.addr.i, metadata !117, metadata !DIExpression()), !dbg !18
46  %1 = load i32, i32* %i.addr.i, align 4, !dbg !18
47  %mul.i = mul nsw i32 %1, 2, !dbg !18
48  ret i32 %mul.i, !dbg !16
49}
50
51; Function Attrs: alwaysinline nounwind uwtable
52define i32 @_ZN2ns4funcEi(i32 %i) #1 !dbg !9 {
53entry:
54  %i.addr = alloca i32, align 4
55  store i32 %i, i32* %i.addr, align 4
56  call void @llvm.dbg.declare(metadata i32* %i.addr, metadata !17, metadata !DIExpression()), !dbg !19
57  %0 = load i32, i32* %i.addr, align 4, !dbg !19
58  %mul = mul nsw i32 %0, 2, !dbg !19
59  ret i32 %mul, !dbg !19
60}
61
62; Function Attrs: nounwind readnone
63declare void @llvm.dbg.declare(metadata, metadata, metadata) #2
64
65attributes #0 = { uwtable "less-precise-fpmad"="false" "no-frame-pointer-elim"="true" "no-frame-pointer-elim-non-leaf" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" }
66attributes #1 = { alwaysinline nounwind uwtable "less-precise-fpmad"="false" "no-frame-pointer-elim"="true" "no-frame-pointer-elim-non-leaf" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" }
67attributes #2 = { nounwind readnone }
68
69!llvm.dbg.cu = !{!0}
70!llvm.module.flags = !{!13, !14}
71!llvm.ident = !{!15}
72
73!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)
74!1 = !DIFile(filename: "namespace_inline_function_definition.cpp", directory: "/tmp/dbginfo")
75!2 = !{}
76!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, variables: !2)
77!5 = !DIFile(filename: "namespace_inline_function_definition.cpp", directory: "/tmp/dbginfo")
78!6 = !DISubroutineType(types: !7)
79!7 = !{!8}
80!8 = !DIBasicType(tag: DW_TAG_base_type, name: "int", size: 32, align: 32, encoding: DW_ATE_signed)
81!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, variables: !2)
82!10 = !DINamespace(name: "ns", line: 1, file: !1, scope: null)
83!11 = !DISubroutineType(types: !12)
84!12 = !{!8, !8}
85!13 = !{i32 2, !"Dwarf Version", i32 4}
86!14 = !{i32 2, !"Debug Info Version", i32 3}
87!15 = !{!"clang version 3.5.0 "}
88!16 = !DILocation(line: 5, scope: !4)
89!17 = !DILocalVariable(name: "i", line: 6, arg: 1, scope: !9, file: !5, type: !8)
90
91!117 = !DILocalVariable(name: "i", line: 6, arg: 1, scope: !9, file: !5, type: !8)
92
93!18 = !DILocation(line: 6, scope: !9, inlinedAt: !16)
94!19 = !DILocation(line: 6, scope: !9)
95