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