1; REQUIRES: object-emission
2
3; For some reason, the output when targetting sparc is not quite as expected.
4; XFAIL: sparc
5
6; RUN: %llc_dwarf -O0 -filetype=obj -dwarf-linkage-names=Enable < %s | llvm-dwarfdump -debug-dump=info - | FileCheck %s
7
8; IR generated from clang -O0 with:
9; struct C {
10;   ~C();
11; };
12; extern bool b;
13; void fun4() { b && (C(), 1); }
14; __attribute__((always_inline)) C::~C() { }
15
16; CHECK: DW_TAG_structure_type
17; CHECK-NOT: DW_TAG
18; CHECK:   DW_AT_name {{.*}} "C"
19; CHECK-NOT: {{DW_TAG|NULL}}
20; CHECK:   DW_TAG_subprogram
21; CHECK-NOT: DW_TAG
22; CHECK:     DW_AT_name {{.*}} "~C"
23
24; CHECK:  DW_TAG_subprogram
25; CHECK-NOT: DW_TAG
26; CHECK:   DW_AT_linkage_name {{.*}} "_ZN1CD1Ev"
27; CHECK-NOT: {{DW_TAG|NULL}}
28; CHECK:  DW_TAG_formal_parameter
29; CHECK-NOT: DW_TAG
30; CHECK:     DW_AT_name {{.*}} "this"
31
32; CHECK: DW_TAG_subprogram
33; CHECK-NOT: DW_TAG
34; CHECK:   DW_AT_name {{.*}} "fun4"
35; CHECK-NOT: {{DW_TAG|NULL}}
36; CHECK:   DW_TAG_inlined_subroutine
37; CHECK-NOT: DW_TAG
38; CHECK:     DW_AT_abstract_origin {{.*}} "_ZN1CD1Ev"
39; CHECK-NOT: {{DW_TAG|NULL}}
40; CHECK:     DW_TAG_formal_parameter
41; CHECK-NOT: DW_TAG
42; CHECK:       DW_AT_abstract_origin {{.*}} "this"
43
44; FIXME: D2 is actually inlined into D1 but doesn't show up here, possibly due
45; to there being no work in D2 (calling another member function from the dtor
46; causes D2 to show up, calling a free function doesn't).
47
48; CHECK-NOT: DW_TAG
49; CHECK:     NULL
50; CHECK-NOT: DW_TAG
51; CHECK:   NULL
52
53%struct.C = type { i8 }
54
55@b = external global i8
56
57; Function Attrs: nounwind
58define void @_Z4fun4v() #0 !dbg !12 {
59entry:
60  %this.addr.i.i = alloca %struct.C*, align 8, !dbg !21
61  %this.addr.i = alloca %struct.C*, align 8, !dbg !22
62  %agg.tmp.ensured = alloca %struct.C, align 1
63  %cleanup.cond = alloca i1
64  %0 = load i8, i8* @b, align 1, !dbg !24
65  %tobool = trunc i8 %0 to i1, !dbg !24
66  store i1 false, i1* %cleanup.cond
67  br i1 %tobool, label %land.rhs, label %land.end, !dbg !24
68
69land.rhs:                                         ; preds = %entry
70  store i1 true, i1* %cleanup.cond, !dbg !25
71  br label %land.end
72
73land.end:                                         ; preds = %land.rhs, %entry
74  %1 = phi i1 [ false, %entry ], [ true, %land.rhs ]
75  %cleanup.is_active = load i1, i1* %cleanup.cond, !dbg !27
76  br i1 %cleanup.is_active, label %cleanup.action, label %cleanup.done, !dbg !27
77
78cleanup.action:                                   ; preds = %land.end
79  store %struct.C* %agg.tmp.ensured, %struct.C** %this.addr.i, align 8, !dbg !22
80  call void @llvm.dbg.declare(metadata %struct.C** %this.addr.i, metadata !129, metadata !DIExpression()), !dbg !31
81  %this1.i = load %struct.C*, %struct.C** %this.addr.i, !dbg !22
82  store %struct.C* %this1.i, %struct.C** %this.addr.i.i, align 8, !dbg !21
83  call void @llvm.dbg.declare(metadata %struct.C** %this.addr.i.i, metadata !132, metadata !DIExpression()), !dbg !33
84  %this1.i.i = load %struct.C*, %struct.C** %this.addr.i.i, !dbg !21
85  br label %cleanup.done, !dbg !22
86
87cleanup.done:                                     ; preds = %cleanup.action, %land.end
88  ret void, !dbg !34
89}
90
91; Function Attrs: alwaysinline nounwind
92define void @_ZN1CD1Ev(%struct.C* %this) unnamed_addr #1 align 2 !dbg !17 {
93entry:
94  %this.addr.i = alloca %struct.C*, align 8, !dbg !37
95  %this.addr = alloca %struct.C*, align 8
96  store %struct.C* %this, %struct.C** %this.addr, align 8
97  call void @llvm.dbg.declare(metadata %struct.C** %this.addr, metadata !29, metadata !DIExpression()), !dbg !38
98  %this1 = load %struct.C*, %struct.C** %this.addr
99  store %struct.C* %this1, %struct.C** %this.addr.i, align 8, !dbg !37
100  call void @llvm.dbg.declare(metadata %struct.C** %this.addr.i, metadata !232, metadata !DIExpression()), !dbg !39
101  %this1.i = load %struct.C*, %struct.C** %this.addr.i, !dbg !37
102  ret void, !dbg !37
103}
104
105; Function Attrs: alwaysinline nounwind
106define void @_ZN1CD2Ev(%struct.C* %this) unnamed_addr #1 align 2 !dbg !16 {
107entry:
108  %this.addr = alloca %struct.C*, align 8
109  store %struct.C* %this, %struct.C** %this.addr, align 8
110  call void @llvm.dbg.declare(metadata %struct.C** %this.addr, metadata !32, metadata !DIExpression()), !dbg !40
111  %this1 = load %struct.C*, %struct.C** %this.addr
112  ret void, !dbg !41
113}
114
115; Function Attrs: nounwind readnone
116declare void @llvm.dbg.declare(metadata, metadata, metadata) #2
117
118attributes #0 = { nounwind "less-precise-fpmad"="false" "no-frame-pointer-elim"="false" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "no-realign-stack" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" }
119attributes #1 = { alwaysinline nounwind "less-precise-fpmad"="false" "no-frame-pointer-elim"="false" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "no-realign-stack" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" }
120attributes #2 = { nounwind readnone }
121
122!llvm.dbg.cu = !{!0}
123!llvm.module.flags = !{!18, !19}
124!llvm.ident = !{!20}
125
126!0 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, producer: "clang version 3.5.0 ", isOptimized: false, emissionKind: 1, file: !1, enums: !2, retainedTypes: !3, subprograms: !11, globals: !2, imports: !2)
127!1 = !DIFile(filename: "<stdin>", directory: "/tmp/dbginfo")
128!2 = !{}
129!3 = !{!4}
130!4 = !DICompositeType(tag: DW_TAG_structure_type, name: "C", line: 1, size: 8, align: 8, file: !5, elements: !6, identifier: "_ZTS1C")
131!5 = !DIFile(filename: "PR20038.cpp", directory: "/tmp/dbginfo")
132!6 = !{!7}
133!7 = !DISubprogram(name: "~C", line: 2, isLocal: false, isDefinition: false, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, scopeLine: 2, file: !5, scope: !"_ZTS1C", type: !8)
134!8 = !DISubroutineType(types: !9)
135!9 = !{null, !10}
136!10 = !DIDerivedType(tag: DW_TAG_pointer_type, size: 64, align: 64, flags: DIFlagArtificial | DIFlagObjectPointer, baseType: !"_ZTS1C")
137!11 = !{!12, !16, !17}
138!12 = distinct !DISubprogram(name: "fun4", linkageName: "_Z4fun4v", line: 5, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, scopeLine: 5, file: !5, scope: !13, type: !14, variables: !2)
139!13 = !DIFile(filename: "PR20038.cpp", directory: "/tmp/dbginfo")
140!14 = !DISubroutineType(types: !15)
141!15 = !{null}
142!16 = distinct !DISubprogram(name: "~C", linkageName: "_ZN1CD2Ev", line: 6, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, scopeLine: 6, file: !5, scope: !"_ZTS1C", type: !8, declaration: !7, variables: !2)
143!17 = distinct !DISubprogram(name: "~C", linkageName: "_ZN1CD1Ev", line: 6, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, scopeLine: 6, file: !5, scope: !"_ZTS1C", type: !8, declaration: !7, variables: !2)
144!18 = !{i32 2, !"Dwarf Version", i32 4}
145!19 = !{i32 2, !"Debug Info Version", i32 3}
146!20 = !{!"clang version 3.5.0 "}
147!21 = !DILocation(line: 6, scope: !17, inlinedAt: !22)
148!22 = !DILocation(line: 5, scope: !23)
149!23 = distinct !DILexicalBlock(line: 5, column: 0, file: !5, scope: !12)
150!24 = !DILocation(line: 5, scope: !12)
151!25 = !DILocation(line: 5, scope: !26)
152!26 = distinct !DILexicalBlock(line: 5, column: 0, file: !5, scope: !12)
153!27 = !DILocation(line: 5, scope: !28)
154!28 = distinct !DILexicalBlock(line: 5, column: 0, file: !5, scope: !12)
155!29 = !DILocalVariable(name: "this", arg: 1, flags: DIFlagArtificial | DIFlagObjectPointer, scope: !17, type: !30)
156!30 = !DIDerivedType(tag: DW_TAG_pointer_type, size: 64, align: 64, baseType: !"_ZTS1C")
157!31 = !DILocation(line: 0, scope: !17, inlinedAt: !22)
158!32 = !DILocalVariable(name: "this", arg: 1, flags: DIFlagArtificial | DIFlagObjectPointer, scope: !16, type: !30)
159!33 = !DILocation(line: 0, scope: !16, inlinedAt: !21)
160
161!129 = !DILocalVariable(name: "this", arg: 1, flags: DIFlagArtificial | DIFlagObjectPointer, scope: !17, type: !30)
162!132 = !DILocalVariable(name: "this", arg: 1, flags: DIFlagArtificial | DIFlagObjectPointer, scope: !16, type: !30)
163!232 = !DILocalVariable(name: "this", arg: 1, flags: DIFlagArtificial | DIFlagObjectPointer, scope: !16, type: !30)
164
165!34 = !DILocation(line: 5, scope: !35)
166!35 = distinct !DILexicalBlock(line: 5, column: 0, file: !5, scope: !36)
167!36 = distinct !DILexicalBlock(line: 5, column: 0, file: !5, scope: !12)
168!37 = !DILocation(line: 6, scope: !17)
169!38 = !DILocation(line: 0, scope: !17)
170!39 = !DILocation(line: 0, scope: !16, inlinedAt: !37)
171!40 = !DILocation(line: 0, scope: !16)
172!41 = !DILocation(line: 6, scope: !16)
173