1; RUN: llc -O0 -fast-isel=false < %s | FileCheck %s
2target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64"
3target triple = "x86_64-apple-macosx10.6.7"
4;Radar 9321650
5
6;CHECK: ##DEBUG_VALUE: my_a
7
8%class.A = type { i32, i32, i32, i32 }
9
10define void @_Z3fooi(%class.A* sret %agg.result, i32 %i) ssp !dbg !19 {
11entry:
12  %i.addr = alloca i32, align 4
13  %j = alloca i32, align 4
14  %nrvo = alloca i1
15  %cleanup.dest.slot = alloca i32
16  store i32 %i, i32* %i.addr, align 4
17  call void @llvm.dbg.declare(metadata i32* %i.addr, metadata !26, metadata !DIExpression()), !dbg !27
18  call void @llvm.dbg.declare(metadata i32* %j, metadata !28, metadata !DIExpression()), !dbg !30
19  store i32 0, i32* %j, align 4, !dbg !31
20  %tmp = load i32, i32* %i.addr, align 4, !dbg !32
21  %cmp = icmp eq i32 %tmp, 42, !dbg !32
22  br i1 %cmp, label %if.then, label %if.end, !dbg !32
23
24if.then:                                          ; preds = %entry
25  %tmp1 = load i32, i32* %i.addr, align 4, !dbg !33
26  %add = add nsw i32 %tmp1, 1, !dbg !33
27  store i32 %add, i32* %j, align 4, !dbg !33
28  br label %if.end, !dbg !35
29
30if.end:                                           ; preds = %if.then, %entry
31  store i1 false, i1* %nrvo, !dbg !36
32  call void @llvm.dbg.declare(metadata %class.A* %agg.result, metadata !37, metadata !DIExpression()), !dbg !39
33  %tmp2 = load i32, i32* %j, align 4, !dbg !40
34  %x = getelementptr inbounds %class.A, %class.A* %agg.result, i32 0, i32 0, !dbg !40
35  store i32 %tmp2, i32* %x, align 4, !dbg !40
36  store i1 true, i1* %nrvo, !dbg !41
37  store i32 1, i32* %cleanup.dest.slot
38  %nrvo.val = load i1, i1* %nrvo, !dbg !42
39  br i1 %nrvo.val, label %nrvo.skipdtor, label %nrvo.unused, !dbg !42
40
41nrvo.unused:                                      ; preds = %if.end
42  call void @_ZN1AD1Ev(%class.A* %agg.result), !dbg !42
43  br label %nrvo.skipdtor, !dbg !42
44
45nrvo.skipdtor:                                    ; preds = %nrvo.unused, %if.end
46  ret void, !dbg !42
47}
48
49declare void @llvm.dbg.declare(metadata, metadata, metadata) nounwind readnone
50
51define linkonce_odr void @_ZN1AD1Ev(%class.A* %this) unnamed_addr ssp align 2 !dbg !22 {
52entry:
53  %this.addr = alloca %class.A*, align 8
54  store %class.A* %this, %class.A** %this.addr, align 8
55  call void @llvm.dbg.declare(metadata %class.A** %this.addr, metadata !43, metadata !DIExpression()), !dbg !44
56  %this1 = load %class.A*, %class.A** %this.addr
57  call void @_ZN1AD2Ev(%class.A* %this1), !dbg !53
58  ret void, !dbg !45
59}
60
61define linkonce_odr void @_ZN1AD2Ev(%class.A* %this) unnamed_addr nounwind ssp align 2 !dbg !25 {
62entry:
63  %this.addr = alloca %class.A*, align 8
64  store %class.A* %this, %class.A** %this.addr, align 8
65  call void @llvm.dbg.declare(metadata %class.A** %this.addr, metadata !46, metadata !DIExpression()), !dbg !47
66  %this1 = load %class.A*, %class.A** %this.addr
67  %x = getelementptr inbounds %class.A, %class.A* %this1, i32 0, i32 0, !dbg !48
68  store i32 1, i32* %x, align 4, !dbg !48
69  ret void, !dbg !48
70}
71
72!llvm.dbg.cu = !{!2}
73!llvm.module.flags = !{!52}
74
75!0 = !DISubprogram(name: "~A", line: 2, isLocal: false, isDefinition: false, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, file: !51, scope: !1, type: !11)
76!1 = !DICompositeType(tag: DW_TAG_class_type, name: "A", line: 2, size: 128, align: 32, file: !51, scope: !2, elements: !4)
77!2 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, producer: "clang version 3.0 (trunk 130127)", isOptimized: false, emissionKind: FullDebug, file: !51, enums: !{}, retainedTypes: !{})
78!3 = !DIFile(filename: "a.cc", directory: "/private/tmp")
79!4 = !{!5, !7, !8, !9, !0, !10, !14}
80!5 = !DIDerivedType(tag: DW_TAG_member, name: "x", line: 2, size: 32, align: 32, file: !51, scope: !3, baseType: !6)
81!6 = !DIBasicType(tag: DW_TAG_base_type, name: "int", size: 32, align: 32, encoding: DW_ATE_signed)
82!7 = !DIDerivedType(tag: DW_TAG_member, name: "y", line: 2, size: 32, align: 32, offset: 32, file: !51, scope: !3, baseType: !6)
83!8 = !DIDerivedType(tag: DW_TAG_member, name: "z", line: 2, size: 32, align: 32, offset: 64, file: !51, scope: !3, baseType: !6)
84!9 = !DIDerivedType(tag: DW_TAG_member, name: "o", line: 2, size: 32, align: 32, offset: 96, file: !51, scope: !3, baseType: !6)
85!10 = !DISubprogram(name: "A", line: 2, isLocal: false, isDefinition: false, virtualIndex: 6, flags: DIFlagArtificial | DIFlagPrototyped, isOptimized: false, file: !51, scope: !1, type: !11)
86!11 = !DISubroutineType(types: !12)
87!12 = !{null, !13}
88!13 = !DIDerivedType(tag: DW_TAG_pointer_type, size: 64, align: 64, flags: DIFlagArtificial, file: !3, baseType: !1)
89!14 = !DISubprogram(name: "A", line: 2, isLocal: false, isDefinition: false, virtualIndex: 6, flags: DIFlagArtificial | DIFlagPrototyped, isOptimized: false, file: !51, scope: !1, type: !15)
90!15 = !DISubroutineType(types: !16)
91!16 = !{null, !13, !17}
92!17 = !DIDerivedType(tag: DW_TAG_reference_type, scope: !2, baseType: !18)
93!18 = !DIDerivedType(tag: DW_TAG_const_type, file: !3, baseType: !1)
94!19 = distinct !DISubprogram(name: "foo", linkageName: "_Z3fooi", line: 4, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, unit: !2, file: !51, scope: !3, type: !20)
95!20 = !DISubroutineType(types: !21)
96!21 = !{!1}
97!22 = distinct !DISubprogram(name: "~A", linkageName: "_ZN1AD1Ev", line: 2, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, unit: !2, file: !51, scope: !3, type: !23)
98!23 = !DISubroutineType(types: !24)
99!24 = !{null}
100!25 = distinct !DISubprogram(name: "~A", linkageName: "_ZN1AD2Ev", line: 2, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, unit: !2, file: !51, scope: !3, type: !23)
101!26 = !DILocalVariable(name: "i", line: 4, arg: 1, scope: !19, file: !3, type: !6)
102!27 = !DILocation(line: 4, column: 11, scope: !19)
103!28 = !DILocalVariable(name: "j", line: 5, scope: !29, file: !3, type: !6)
104!29 = distinct !DILexicalBlock(line: 4, column: 14, file: !51, scope: !19)
105!30 = !DILocation(line: 5, column: 7, scope: !29)
106!31 = !DILocation(line: 5, column: 12, scope: !29)
107!32 = !DILocation(line: 6, column: 3, scope: !29)
108!33 = !DILocation(line: 7, column: 5, scope: !34)
109!34 = distinct !DILexicalBlock(line: 6, column: 16, file: !51, scope: !29)
110!35 = !DILocation(line: 8, column: 3, scope: !34)
111!36 = !DILocation(line: 9, column: 9, scope: !29)
112!37 = !DILocalVariable(name: "my_a", line: 9, scope: !29, file: !3, type: !38)
113!38 = !DIDerivedType(tag: DW_TAG_reference_type, file: !3, baseType: !1)
114!39 = !DILocation(line: 9, column: 5, scope: !29)
115!40 = !DILocation(line: 10, column: 3, scope: !29)
116!41 = !DILocation(line: 11, column: 3, scope: !29)
117!42 = !DILocation(line: 12, column: 1, scope: !29)
118!43 = !DILocalVariable(name: "this", line: 2, arg: 1, flags: DIFlagArtificial, scope: !22, file: !3, type: !13)
119!44 = !DILocation(line: 2, column: 47, scope: !22)
120!45 = !DILocation(line: 2, column: 61, scope: !22)
121!46 = !DILocalVariable(name: "this", line: 2, arg: 1, flags: DIFlagArtificial, scope: !25, file: !3, type: !13)
122!47 = !DILocation(line: 2, column: 47, scope: !25)
123!48 = !DILocation(line: 2, column: 54, scope: !49)
124!49 = distinct !DILexicalBlock(line: 2, column: 52, file: !51, scope: !25)
125!51 = !DIFile(filename: "a.cc", directory: "/private/tmp")
126!52 = !{i32 1, !"Debug Info Version", i32 3}
127!53 = !DILocation(line: 0, scope: !22)
128