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1; RUN: llc -O0 -fast-isel=true -filetype=obj -o - %s | llvm-dwarfdump -v - | FileCheck %s2 3target 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"4target triple = "x86_64-apple-macosx10.6.7"5; rdar://problem/93216506 7; C++ source:8; class A { public: int x; int y; int z; int o; ~A() { x = 1; }};9;10; A foo(int i) {11; int j = 0;12; if (i == 42) {13; j = i + 1;14; };15; A my_a;16; my_a.x = j;17; return my_a;18; }19 20; CHECK: DW_AT_name {{.*}}"j"21; CHECK: DW_TAG_variable22; CHECK-NEXT: DW_AT_location [DW_FORM_sec_offset] (23; CHECK-NEXT: [0x{{.*}}, 0x{{.*}}): DW_OP_breg7 RSP+8, DW_OP_deref)24; CHECK-NEXT: DW_AT_name {{.*}}"my_a"25 26%class.A = type { i32, i32, i32, i32 }27 28define void @_Z3fooi(ptr sret(%class.A) %agg.result, i32 %i) ssp !dbg !19 {29entry:30 %i.addr = alloca i32, align 431 %j = alloca i32, align 432 %nrvo = alloca i133 %cleanup.dest.slot = alloca i3234 store i32 %i, ptr %i.addr, align 435 call void @llvm.dbg.declare(metadata ptr %i.addr, metadata !26, metadata !DIExpression()), !dbg !2736 call void @llvm.dbg.declare(metadata ptr %j, metadata !28, metadata !DIExpression()), !dbg !3037 store i32 0, ptr %j, align 4, !dbg !3138 %tmp = load i32, ptr %i.addr, align 4, !dbg !3239 %cmp = icmp eq i32 %tmp, 42, !dbg !3240 br i1 %cmp, label %if.then, label %if.end, !dbg !3241 42if.then: ; preds = %entry43 %tmp1 = load i32, ptr %i.addr, align 4, !dbg !3344 %add = add nsw i32 %tmp1, 1, !dbg !3345 store i32 %add, ptr %j, align 4, !dbg !3346 br label %if.end, !dbg !3547 48if.end: ; preds = %if.then, %entry49 store i1 false, ptr %nrvo, !dbg !3650 call void @llvm.dbg.declare(metadata ptr %agg.result, metadata !37, metadata !DIExpression()), !dbg !3951 %tmp2 = load i32, ptr %j, align 4, !dbg !4052 store i32 %tmp2, ptr %agg.result, align 4, !dbg !4053 store i1 true, ptr %nrvo, !dbg !4154 store i32 1, ptr %cleanup.dest.slot55 %nrvo.val = load i1, ptr %nrvo, !dbg !4256 br i1 %nrvo.val, label %nrvo.skipdtor, label %nrvo.unused, !dbg !4257 58nrvo.unused: ; preds = %if.end59 call void @_ZN1AD1Ev(ptr %agg.result), !dbg !4260 br label %nrvo.skipdtor, !dbg !4261 62nrvo.skipdtor: ; preds = %nrvo.unused, %if.end63 ret void, !dbg !4264}65 66declare void @llvm.dbg.declare(metadata, metadata, metadata) nounwind readnone67 68define linkonce_odr void @_ZN1AD1Ev(ptr %this) unnamed_addr ssp align 2 !dbg !22 {69entry:70 %this.addr = alloca ptr, align 871 store ptr %this, ptr %this.addr, align 872 call void @llvm.dbg.declare(metadata ptr %this.addr, metadata !43, metadata !DIExpression()), !dbg !4473 %this1 = load ptr, ptr %this.addr74 call void @_ZN1AD2Ev(ptr %this1), !dbg !5375 ret void, !dbg !4576}77 78define linkonce_odr void @_ZN1AD2Ev(ptr %this) unnamed_addr nounwind ssp align 2 !dbg !25 {79entry:80 %this.addr = alloca ptr, align 881 store ptr %this, ptr %this.addr, align 882 call void @llvm.dbg.declare(metadata ptr %this.addr, metadata !46, metadata !DIExpression()), !dbg !4783 %this1 = load ptr, ptr %this.addr84 store i32 1, ptr %this1, align 4, !dbg !4885 ret void, !dbg !4886}87 88!llvm.dbg.cu = !{!2}89!llvm.module.flags = !{!52}90 91!0 = !DISubprogram(name: "~A", line: 2, isLocal: false, isDefinition: false, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, file: !51, scope: !1, type: !11)92!1 = !DICompositeType(tag: DW_TAG_class_type, name: "A", line: 2, size: 128, align: 32, file: !51, scope: !2, elements: !4)93!2 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, producer: "clang version 3.0 (trunk 130127)", isOptimized: false, emissionKind: FullDebug, file: !51, enums: !{}, retainedTypes: !{})94!3 = !DIFile(filename: "a.cc", directory: "/private/tmp")95!4 = !{!5, !7, !8, !9, !0, !10, !14}96!5 = !DIDerivedType(tag: DW_TAG_member, name: "x", line: 2, size: 32, align: 32, file: !51, scope: !3, baseType: !6)97!6 = !DIBasicType(tag: DW_TAG_base_type, name: "int", size: 32, align: 32, encoding: DW_ATE_signed)98!7 = !DIDerivedType(tag: DW_TAG_member, name: "y", line: 2, size: 32, align: 32, offset: 32, file: !51, scope: !3, baseType: !6)99!8 = !DIDerivedType(tag: DW_TAG_member, name: "z", line: 2, size: 32, align: 32, offset: 64, file: !51, scope: !3, baseType: !6)100!9 = !DIDerivedType(tag: DW_TAG_member, name: "o", line: 2, size: 32, align: 32, offset: 96, file: !51, scope: !3, baseType: !6)101!10 = !DISubprogram(name: "A", line: 2, isLocal: false, isDefinition: false, virtualIndex: 6, flags: DIFlagArtificial | DIFlagPrototyped, isOptimized: false, file: !51, scope: !1, type: !11)102!11 = !DISubroutineType(types: !12)103!12 = !{null, !13}104!13 = !DIDerivedType(tag: DW_TAG_pointer_type, size: 64, align: 64, flags: DIFlagArtificial, file: !3, baseType: !1)105!14 = !DISubprogram(name: "A", line: 2, isLocal: false, isDefinition: false, virtualIndex: 6, flags: DIFlagArtificial | DIFlagPrototyped, isOptimized: false, file: !51, scope: !1, type: !15)106!15 = !DISubroutineType(types: !16)107!16 = !{null, !13, !17}108!17 = !DIDerivedType(tag: DW_TAG_reference_type, scope: !2, baseType: !18)109!18 = !DIDerivedType(tag: DW_TAG_const_type, file: !3, baseType: !1)110!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)111!20 = !DISubroutineType(types: !21)112!21 = !{!1}113!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)114!23 = !DISubroutineType(types: !24)115!24 = !{null}116!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)117!26 = !DILocalVariable(name: "i", line: 4, arg: 1, scope: !19, file: !3, type: !6)118!27 = !DILocation(line: 4, column: 11, scope: !19)119!28 = !DILocalVariable(name: "j", line: 5, scope: !29, file: !3, type: !6)120!29 = distinct !DILexicalBlock(line: 4, column: 14, file: !51, scope: !19)121!30 = !DILocation(line: 5, column: 7, scope: !29)122!31 = !DILocation(line: 5, column: 12, scope: !29)123!32 = !DILocation(line: 6, column: 3, scope: !29)124!33 = !DILocation(line: 7, column: 5, scope: !34)125!34 = distinct !DILexicalBlock(line: 6, column: 16, file: !51, scope: !29)126!35 = !DILocation(line: 8, column: 3, scope: !34)127!36 = !DILocation(line: 9, column: 9, scope: !29)128!37 = !DILocalVariable(name: "my_a", line: 9, scope: !29, file: !3, type: !38)129!38 = !DIDerivedType(tag: DW_TAG_reference_type, file: !3, baseType: !1)130!39 = !DILocation(line: 9, column: 5, scope: !29)131!40 = !DILocation(line: 10, column: 3, scope: !29)132!41 = !DILocation(line: 11, column: 3, scope: !29)133!42 = !DILocation(line: 12, column: 1, scope: !29)134!43 = !DILocalVariable(name: "this", line: 2, arg: 1, flags: DIFlagArtificial, scope: !22, file: !3, type: !13)135!44 = !DILocation(line: 2, column: 47, scope: !22)136!45 = !DILocation(line: 2, column: 61, scope: !22)137!46 = !DILocalVariable(name: "this", line: 2, arg: 1, flags: DIFlagArtificial, scope: !25, file: !3, type: !13)138!47 = !DILocation(line: 2, column: 47, scope: !25)139!48 = !DILocation(line: 2, column: 54, scope: !49)140!49 = distinct !DILexicalBlock(line: 2, column: 52, file: !51, scope: !25)141!51 = !DIFile(filename: "a.cc", directory: "/private/tmp")142!52 = !{i32 1, !"Debug Info Version", i32 3}143!53 = !DILocation(line: 0, scope: !22)144