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1; RUN: llc -mtriple i686-pc-cygwin -O2 %s -o - | FileCheck %s2; Check struct X for dead variable xyz from inlined function foo.3 4; CHECK: .section .debug_info,"dr"5; CHECK: DW_TAG_structure_type6; CHECK-NEXT: info_string7 8source_filename = "test/DebugInfo/X86/InlinedFnLocalVar.ll"9 10@i = common global i32 0, !dbg !011 12; Function Attrs: nounwind readnone13declare void @llvm.dbg.declare(metadata, metadata, metadata) #014 15; Function Attrs: nounwind readnone16declare void @llvm.dbg.value(metadata, metadata, metadata) #017 18; Function Attrs: nounwind ssp19define i32 @bar() #1 !dbg !8 {20entry:21 %0 = load i32, ptr @i, align 4, !dbg !1122 tail call void @llvm.dbg.value(metadata i32 %0, metadata !13, metadata !24), !dbg !2523 tail call void @llvm.dbg.declare(metadata !5, metadata !18, metadata !24), !dbg !2624 %1 = mul nsw i32 %0, %0, !dbg !2725 store i32 %1, ptr @i, align 4, !dbg !1126 ret i32 %1, !dbg !2827}28 29attributes #0 = { nounwind readnone }30attributes #1 = { nounwind ssp }31 32!llvm.dbg.cu = !{!4}33!llvm.module.flags = !{!7}34 35!0 = !DIGlobalVariableExpression(var: !1, expr: !DIExpression())36!1 = !DIGlobalVariable(name: "i", scope: !2, file: !2, line: 5, type: !3, isLocal: false, isDefinition: true)37!2 = !DIFile(filename: "bar.c", directory: "/tmp/")38!3 = !DIBasicType(name: "int", size: 32, align: 32, encoding: DW_ATE_signed)39!4 = distinct !DICompileUnit(language: DW_LANG_C89, file: !2, producer: "4.2.1 (Based on Apple Inc. build 5658) (LLVM build)", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: !5, retainedTypes: !5, globals: !6, imports: !5)40!5 = !{}41!6 = !{!0}42!7 = !{i32 1, !"Debug Info Version", i32 3}43!8 = distinct !DISubprogram(name: "bar", linkageName: "bar", scope: !2, file: !2, line: 14, type: !9, isLocal: false, isDefinition: true, virtualIndex: 6, isOptimized: true, unit: !4)44!9 = !DISubroutineType(types: !10)45!10 = !{!3}46!11 = !DILocation(line: 15, scope: !12)47!12 = distinct !DILexicalBlock(scope: !8, file: !2, line: 14)48!13 = !DILocalVariable(name: "j", arg: 1, scope: !14, file: !2, line: 9, type: !3)49!14 = distinct !DISubprogram(name: "foo", scope: !2, file: !2, line: 9, type: !15, isLocal: true, isDefinition: true, scopeLine: 9, virtualIndex: 6, isOptimized: true, unit: !4, retainedNodes: !17)50!15 = !DISubroutineType(types: !16)51!16 = !{!3, !3}52!17 = !{!13, !18}53!18 = !DILocalVariable(name: "xyz", scope: !19, file: !2, line: 10, type: !20)54!19 = distinct !DILexicalBlock(scope: !14, file: !2, line: 9)55!20 = !DICompositeType(tag: DW_TAG_structure_type, name: "X", scope: !14, file: !2, line: 10, size: 64, align: 32, elements: !21)56!21 = !{!22, !23}57!22 = !DIDerivedType(tag: DW_TAG_member, name: "a", scope: !20, file: !2, line: 10, baseType: !3, size: 32, align: 32)58!23 = !DIDerivedType(tag: DW_TAG_member, name: "b", scope: !20, file: !2, line: 10, baseType: !3, size: 32, align: 32, offset: 32)59!24 = !DIExpression()60!25 = !DILocation(line: 9, scope: !14, inlinedAt: !11)61!26 = !DILocation(line: 9, scope: !19, inlinedAt: !11)62!27 = !DILocation(line: 11, scope: !19, inlinedAt: !11)63!28 = !DILocation(line: 16, scope: !12)64 65