1 ; RUN: llc -O0 -fast-isel=true -filetype=obj -o - %s | llvm-dwarfdump -v - | FileCheck %s
3 target 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"
4 target triple = "x86_64-apple-macosx10.6.7"
5 ; rdar://problem/9321650
8 ; class A { public: int x; int y; int z; int o; ~A() { x = 1; }};
20 ; CHECK: DW_AT_name {{.*}}"j"
21 ; CHECK: DW_TAG_variable
22 ; CHECK-NEXT: DW_AT_location [DW_FORM_sec_offset] (
23 ; CHECK-NEXT: [0x{{.*}}, 0x{{.*}}): DW_OP_breg7 RSP+16, DW_OP_deref)
24 ; CHECK-NEXT: DW_AT_name {{.*}}"my_a"
26 %class.A = type { i32, i32, i32, i32 }
28 define void @_Z3fooi(%class.A* sret %agg.result, i32 %i) ssp !dbg !19 {
30 %i.addr = alloca i32, align 4
31 %j = alloca i32, align 4
33 %cleanup.dest.slot = alloca i32
34 store i32 %i, i32* %i.addr, align 4
35 call void @llvm.dbg.declare(metadata i32* %i.addr, metadata !26, metadata !DIExpression()), !dbg !27
36 call void @llvm.dbg.declare(metadata i32* %j, metadata !28, metadata !DIExpression()), !dbg !30
37 store i32 0, i32* %j, align 4, !dbg !31
38 %tmp = load i32, i32* %i.addr, align 4, !dbg !32
39 %cmp = icmp eq i32 %tmp, 42, !dbg !32
40 br i1 %cmp, label %if.then, label %if.end, !dbg !32
42 if.then: ; preds = %entry
43 %tmp1 = load i32, i32* %i.addr, align 4, !dbg !33
44 %add = add nsw i32 %tmp1, 1, !dbg !33
45 store i32 %add, i32* %j, align 4, !dbg !33
46 br label %if.end, !dbg !35
48 if.end: ; preds = %if.then, %entry
49 store i1 false, i1* %nrvo, !dbg !36
50 call void @llvm.dbg.declare(metadata %class.A* %agg.result, metadata !37, metadata !DIExpression()), !dbg !39
51 %tmp2 = load i32, i32* %j, align 4, !dbg !40
52 %x = getelementptr inbounds %class.A, %class.A* %agg.result, i32 0, i32 0, !dbg !40
53 store i32 %tmp2, i32* %x, align 4, !dbg !40
54 store i1 true, i1* %nrvo, !dbg !41
55 store i32 1, i32* %cleanup.dest.slot
56 %nrvo.val = load i1, i1* %nrvo, !dbg !42
57 br i1 %nrvo.val, label %nrvo.skipdtor, label %nrvo.unused, !dbg !42
59 nrvo.unused: ; preds = %if.end
60 call void @_ZN1AD1Ev(%class.A* %agg.result), !dbg !42
61 br label %nrvo.skipdtor, !dbg !42
63 nrvo.skipdtor: ; preds = %nrvo.unused, %if.end
67 declare void @llvm.dbg.declare(metadata, metadata, metadata) nounwind readnone
69 define linkonce_odr void @_ZN1AD1Ev(%class.A* %this) unnamed_addr ssp align 2 !dbg !22 {
71 %this.addr = alloca %class.A*, align 8
72 store %class.A* %this, %class.A** %this.addr, align 8
73 call void @llvm.dbg.declare(metadata %class.A** %this.addr, metadata !43, metadata !DIExpression()), !dbg !44
74 %this1 = load %class.A*, %class.A** %this.addr
75 call void @_ZN1AD2Ev(%class.A* %this1), !dbg !53
79 define linkonce_odr void @_ZN1AD2Ev(%class.A* %this) unnamed_addr nounwind ssp align 2 !dbg !25 {
81 %this.addr = alloca %class.A*, align 8
82 store %class.A* %this, %class.A** %this.addr, align 8
83 call void @llvm.dbg.declare(metadata %class.A** %this.addr, metadata !46, metadata !DIExpression()), !dbg !47
84 %this1 = load %class.A*, %class.A** %this.addr
85 %x = getelementptr inbounds %class.A, %class.A* %this1, i32 0, i32 0, !dbg !48
86 store i32 1, i32* %x, align 4, !dbg !48
91 !llvm.module.flags = !{!52}
93 !0 = !DISubprogram(name: "~A", line: 2, isLocal: false, isDefinition: false, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, file: !51, scope: !1, type: !11)
94 !1 = !DICompositeType(tag: DW_TAG_class_type, name: "A", line: 2, size: 128, align: 32, file: !51, scope: !2, elements: !4)
95 !2 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, producer: "clang version 3.0 (trunk 130127)", isOptimized: false, emissionKind: FullDebug, file: !51, enums: !{}, retainedTypes: !{})
96 !3 = !DIFile(filename: "a.cc", directory: "/private/tmp")
97 !4 = !{!5, !7, !8, !9, !0, !10, !14}
98 !5 = !DIDerivedType(tag: DW_TAG_member, name: "x", line: 2, size: 32, align: 32, file: !51, scope: !3, baseType: !6)
99 !6 = !DIBasicType(tag: DW_TAG_base_type, name: "int", size: 32, align: 32, encoding: DW_ATE_signed)
100 !7 = !DIDerivedType(tag: DW_TAG_member, name: "y", line: 2, size: 32, align: 32, offset: 32, file: !51, scope: !3, baseType: !6)
101 !8 = !DIDerivedType(tag: DW_TAG_member, name: "z", line: 2, size: 32, align: 32, offset: 64, file: !51, scope: !3, baseType: !6)
102 !9 = !DIDerivedType(tag: DW_TAG_member, name: "o", line: 2, size: 32, align: 32, offset: 96, file: !51, scope: !3, baseType: !6)
103 !10 = !DISubprogram(name: "A", line: 2, isLocal: false, isDefinition: false, virtualIndex: 6, flags: DIFlagArtificial | DIFlagPrototyped, isOptimized: false, file: !51, scope: !1, type: !11)
104 !11 = !DISubroutineType(types: !12)
106 !13 = !DIDerivedType(tag: DW_TAG_pointer_type, size: 64, align: 64, flags: DIFlagArtificial, file: !3, baseType: !1)
107 !14 = !DISubprogram(name: "A", line: 2, isLocal: false, isDefinition: false, virtualIndex: 6, flags: DIFlagArtificial | DIFlagPrototyped, isOptimized: false, file: !51, scope: !1, type: !15)
108 !15 = !DISubroutineType(types: !16)
109 !16 = !{null, !13, !17}
110 !17 = !DIDerivedType(tag: DW_TAG_reference_type, scope: !2, baseType: !18)
111 !18 = !DIDerivedType(tag: DW_TAG_const_type, file: !3, baseType: !1)
112 !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)
113 !20 = !DISubroutineType(types: !21)
115 !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)
116 !23 = !DISubroutineType(types: !24)
118 !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)
119 !26 = !DILocalVariable(name: "i", line: 4, arg: 1, scope: !19, file: !3, type: !6)
120 !27 = !DILocation(line: 4, column: 11, scope: !19)
121 !28 = !DILocalVariable(name: "j", line: 5, scope: !29, file: !3, type: !6)
122 !29 = distinct !DILexicalBlock(line: 4, column: 14, file: !51, scope: !19)
123 !30 = !DILocation(line: 5, column: 7, scope: !29)
124 !31 = !DILocation(line: 5, column: 12, scope: !29)
125 !32 = !DILocation(line: 6, column: 3, scope: !29)
126 !33 = !DILocation(line: 7, column: 5, scope: !34)
127 !34 = distinct !DILexicalBlock(line: 6, column: 16, file: !51, scope: !29)
128 !35 = !DILocation(line: 8, column: 3, scope: !34)
129 !36 = !DILocation(line: 9, column: 9, scope: !29)
130 !37 = !DILocalVariable(name: "my_a", line: 9, scope: !29, file: !3, type: !38)
131 !38 = !DIDerivedType(tag: DW_TAG_reference_type, file: !3, baseType: !1)
132 !39 = !DILocation(line: 9, column: 5, scope: !29)
133 !40 = !DILocation(line: 10, column: 3, scope: !29)
134 !41 = !DILocation(line: 11, column: 3, scope: !29)
135 !42 = !DILocation(line: 12, column: 1, scope: !29)
136 !43 = !DILocalVariable(name: "this", line: 2, arg: 1, flags: DIFlagArtificial, scope: !22, file: !3, type: !13)
137 !44 = !DILocation(line: 2, column: 47, scope: !22)
138 !45 = !DILocation(line: 2, column: 61, scope: !22)
139 !46 = !DILocalVariable(name: "this", line: 2, arg: 1, flags: DIFlagArtificial, scope: !25, file: !3, type: !13)
140 !47 = !DILocation(line: 2, column: 47, scope: !25)
141 !48 = !DILocation(line: 2, column: 54, scope: !49)
142 !49 = distinct !DILexicalBlock(line: 2, column: 52, file: !51, scope: !25)
143 !51 = !DIFile(filename: "a.cc", directory: "/private/tmp")
144 !52 = !{i32 1, !"Debug Info Version", i32 3}
145 !53 = !DILocation(line: 0, scope: !22)