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1; RUN: llc -O0 -mtriple=x86_64-apple-darwin < %s | grep DW_OP_breg72; Use DW_OP_breg7 in variable's location expression if the variable is in a stack slot.3 4%struct.SVal = type { ptr, i32 }5 6define i32 @_Z3fooi4SVal(i32 %i, ptr noalias %location) nounwind ssp !dbg !17 {7entry:8 %"alloca point" = bitcast i32 0 to i32 ; <i32> [#uses=0]9 call void @llvm.dbg.value(metadata i32 %i, i64 0, metadata !23, metadata !DIExpression()), !dbg !2410 call void @llvm.dbg.value(metadata ptr %location, i64 0, metadata !25, metadata !DIExpression()), !dbg !2411 %0 = icmp ne i32 %i, 0, !dbg !27 ; <i1> [#uses=1]12 br i1 %0, label %bb, label %bb1, !dbg !2713 14bb: ; preds = %entry15 %1 = getelementptr inbounds %struct.SVal, ptr %location, i32 0, i32 1, !dbg !29 ; <ptr> [#uses=1]16 %2 = load i32, ptr %1, align 8, !dbg !29 ; <i32> [#uses=1]17 %3 = add i32 %2, %i, !dbg !29 ; <i32> [#uses=1]18 br label %bb2, !dbg !2919 20bb1: ; preds = %entry21 %4 = getelementptr inbounds %struct.SVal, ptr %location, i32 0, i32 1, !dbg !30 ; <ptr> [#uses=1]22 %5 = load i32, ptr %4, align 8, !dbg !30 ; <i32> [#uses=1]23 %6 = sub i32 %5, 1, !dbg !30 ; <i32> [#uses=1]24 br label %bb2, !dbg !3025 26bb2: ; preds = %bb1, %bb27 %.0 = phi i32 [ %3, %bb ], [ %6, %bb1 ] ; <i32> [#uses=1]28 br label %return, !dbg !2929 30return: ; preds = %bb231 ret i32 %.0, !dbg !2932}33 34define linkonce_odr void @_ZN4SValC1Ev(ptr %this) nounwind ssp align 2 !dbg !16 {35entry:36 %"alloca point" = bitcast i32 0 to i32 ; <i32> [#uses=0]37 call void @llvm.dbg.value(metadata ptr %this, i64 0, metadata !31, metadata !DIExpression()), !dbg !3438 store ptr null, ptr %this, align 8, !dbg !3439 %0 = getelementptr inbounds %struct.SVal, ptr %this, i32 0, i32 1, !dbg !34 ; <ptr> [#uses=1]40 store i32 0, ptr %0, align 8, !dbg !3441 br label %return, !dbg !3442 43return: ; preds = %entry44 ret void, !dbg !3545}46 47declare void @llvm.dbg.declare(metadata, metadata, metadata) nounwind readnone48 49define i32 @main() nounwind ssp !dbg !20 {50entry:51 %0 = alloca %struct.SVal ; <ptr> [#uses=3]52 %v = alloca %struct.SVal ; <ptr> [#uses=4]53 %"alloca point" = bitcast i32 0 to i32 ; <i32> [#uses=0]54 call void @llvm.dbg.declare(metadata ptr %v, metadata !38, metadata !DIExpression()), !dbg !4155 call void @_ZN4SValC1Ev(ptr %v) nounwind, !dbg !4156 %1 = getelementptr inbounds %struct.SVal, ptr %v, i32 0, i32 1, !dbg !42 ; <ptr> [#uses=1]57 store i32 1, ptr %1, align 8, !dbg !4258 %2 = load ptr, ptr %v, align 8, !dbg !43 ; <ptr> [#uses=1]59 store ptr %2, ptr %0, align 8, !dbg !4360 %3 = getelementptr inbounds %struct.SVal, ptr %0, i32 0, i32 1, !dbg !43 ; <ptr> [#uses=1]61 %4 = getelementptr inbounds %struct.SVal, ptr %v, i32 0, i32 1, !dbg !43 ; <ptr> [#uses=1]62 %5 = load i32, ptr %4, align 8, !dbg !43 ; <i32> [#uses=1]63 store i32 %5, ptr %3, align 8, !dbg !4364 %6 = call i32 @_Z3fooi4SVal(i32 2, ptr noalias %0) nounwind, !dbg !43 ; <i32> [#uses=0]65 call void @llvm.dbg.value(metadata i32 %6, i64 0, metadata !44, metadata !DIExpression()), !dbg !4366 br label %return, !dbg !4567 68return: ; preds = %entry69 ret i32 0, !dbg !4570}71 72declare void @llvm.dbg.value(metadata, i64, metadata, metadata) nounwind readnone73 74!llvm.dbg.cu = !{!3}75!llvm.module.flags = !{!49}76!46 = !{!16, !17, !20}77 78!0 = !DISubprogram(name: "SVal", line: 11, isLocal: false, isDefinition: false, virtualIndex: 6, isOptimized: false, scopeLine: 11, file: !47, scope: !1, type: !14)79!1 = !DICompositeType(tag: DW_TAG_structure_type, name: "SVal", line: 1, size: 128, align: 64, file: !47, scope: !2, elements: !4)80!2 = !DIFile(filename: "small.cc", directory: "/Users/manav/R8248330")81!3 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, producer: "4.2.1 (Based on Apple Inc. build 5658) (LLVM build)", isOptimized: false, emissionKind: FullDebug, file: !47, enums: !48, retainedTypes: !48, imports: null)82!4 = !{!5, !7, !0, !9}83!5 = !DIDerivedType(tag: DW_TAG_member, name: "Data", line: 7, size: 64, align: 64, file: !47, scope: !1, baseType: !6)84!6 = !DIDerivedType(tag: DW_TAG_pointer_type, size: 64, align: 64, file: !47, scope: !2, baseType: null)85!7 = !DIDerivedType(tag: DW_TAG_member, name: "Kind", line: 8, size: 32, align: 32, offset: 64, file: !47, scope: !1, baseType: !8)86!8 = !DIBasicType(tag: DW_TAG_base_type, name: "unsigned int", size: 32, align: 32, encoding: DW_ATE_unsigned)87!9 = !DISubprogram(name: "~SVal", line: 12, isLocal: false, isDefinition: false, virtualIndex: 6, isOptimized: false, scopeLine: 12, file: !47, scope: !1, type: !10)88!10 = !DISubroutineType(types: !11)89!11 = !{null, !12, !13}90!12 = !DIDerivedType(tag: DW_TAG_pointer_type, size: 64, align: 64, flags: DIFlagArtificial, file: !47, scope: !2, baseType: !1)91!13 = !DIBasicType(tag: DW_TAG_base_type, name: "int", size: 32, align: 32, encoding: DW_ATE_signed)92!14 = !DISubroutineType(types: !15)93!15 = !{null, !12}94!16 = distinct !DISubprogram(name: "SVal", linkageName: "_ZN4SValC1Ev", line: 11, isLocal: false, isDefinition: true, virtualIndex: 6, isOptimized: false, unit: !3, scopeLine: 11, file: !47, scope: !1, type: !14)95!17 = distinct !DISubprogram(name: "foo", linkageName: "_Z3fooi4SVal", line: 16, isLocal: false, isDefinition: true, virtualIndex: 6, isOptimized: false, unit: !3, scopeLine: 16, file: !47, scope: !2, type: !18)96!18 = !DISubroutineType(types: !19)97!19 = !{!13, !13, !1}98!20 = distinct !DISubprogram(name: "main", linkageName: "main", line: 23, isLocal: false, isDefinition: true, virtualIndex: 6, isOptimized: false, unit: !3, scopeLine: 23, file: !47, scope: !2, type: !21)99!21 = !DISubroutineType(types: !22)100!22 = !{!13}101!23 = !DILocalVariable(name: "i", line: 16, arg: 1, scope: !17, file: !2, type: !13)102!24 = !DILocation(line: 16, scope: !17)103!25 = !DILocalVariable(name: "location", line: 16, arg: 2, scope: !17, file: !2, type: !26)104!26 = !DIDerivedType(tag: DW_TAG_reference_type, name: "SVal", size: 64, align: 64, file: !47, scope: !2, baseType: !1)105!27 = !DILocation(line: 17, scope: !28)106!28 = distinct !DILexicalBlock(line: 16, column: 0, file: !47, scope: !17)107!29 = !DILocation(line: 18, scope: !28)108!30 = !DILocation(line: 20, scope: !28)109!31 = !DILocalVariable(name: "this", line: 11, arg: 1, scope: !16, file: !2, type: !32)110!32 = !DIDerivedType(tag: DW_TAG_const_type, size: 64, align: 64, flags: DIFlagArtificial, file: !47, scope: !2, baseType: !33)111!33 = !DIDerivedType(tag: DW_TAG_pointer_type, size: 64, align: 64, file: !47, scope: !2, baseType: !1)112!34 = !DILocation(line: 11, scope: !16)113!35 = !DILocation(line: 11, scope: !36)114!36 = distinct !DILexicalBlock(line: 11, column: 0, file: !47, scope: !37)115!37 = distinct !DILexicalBlock(line: 11, column: 0, file: !47, scope: !16)116!38 = !DILocalVariable(name: "v", line: 24, scope: !39, file: !2, type: !1)117!39 = distinct !DILexicalBlock(line: 23, column: 0, file: !47, scope: !40)118!40 = distinct !DILexicalBlock(line: 23, column: 0, file: !47, scope: !20)119!41 = !DILocation(line: 24, scope: !39)120!42 = !DILocation(line: 25, scope: !39)121!43 = !DILocation(line: 26, scope: !39)122!44 = !DILocalVariable(name: "k", line: 26, scope: !39, file: !2, type: !13)123!45 = !DILocation(line: 27, scope: !39)124!47 = !DIFile(filename: "small.cc", directory: "/Users/manav/R8248330")125!48 = !{}126!49 = !{i32 1, !"Debug Info Version", i32 3}127