1; RUN: llc -mtriple i686-pc-cygwin -O2 %s -o - | FileCheck %s 2; RUN: llc --try-experimental-debuginfo-iterators -mtriple i686-pc-cygwin -O2 %s -o - | FileCheck %s 3; Check struct X for dead variable xyz from inlined function foo. 4 5; CHECK: .section .debug_info,"dr" 6; CHECK: DW_TAG_structure_type 7; CHECK-NEXT: info_string 8 9source_filename = "test/DebugInfo/X86/InlinedFnLocalVar.ll" 10 11@i = common global i32 0, !dbg !0 12 13; Function Attrs: nounwind readnone 14declare void @llvm.dbg.declare(metadata, metadata, metadata) #0 15 16; Function Attrs: nounwind readnone 17declare void @llvm.dbg.value(metadata, metadata, metadata) #0 18 19; Function Attrs: nounwind ssp 20define i32 @bar() #1 !dbg !8 { 21entry: 22 %0 = load i32, ptr @i, align 4, !dbg !11 23 tail call void @llvm.dbg.value(metadata i32 %0, metadata !13, metadata !24), !dbg !25 24 tail call void @llvm.dbg.declare(metadata !5, metadata !18, metadata !24), !dbg !26 25 %1 = mul nsw i32 %0, %0, !dbg !27 26 store i32 %1, ptr @i, align 4, !dbg !11 27 ret i32 %1, !dbg !28 28} 29 30attributes #0 = { nounwind readnone } 31attributes #1 = { nounwind ssp } 32 33!llvm.dbg.cu = !{!4} 34!llvm.module.flags = !{!7} 35 36!0 = !DIGlobalVariableExpression(var: !1, expr: !DIExpression()) 37!1 = !DIGlobalVariable(name: "i", scope: !2, file: !2, line: 5, type: !3, isLocal: false, isDefinition: true) 38!2 = !DIFile(filename: "bar.c", directory: "/tmp/") 39!3 = !DIBasicType(name: "int", size: 32, align: 32, encoding: DW_ATE_signed) 40!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) 41!5 = !{} 42!6 = !{!0} 43!7 = !{i32 1, !"Debug Info Version", i32 3} 44!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) 45!9 = !DISubroutineType(types: !10) 46!10 = !{!3} 47!11 = !DILocation(line: 15, scope: !12) 48!12 = distinct !DILexicalBlock(scope: !8, file: !2, line: 14) 49!13 = !DILocalVariable(name: "j", arg: 1, scope: !14, file: !2, line: 9, type: !3) 50!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) 51!15 = !DISubroutineType(types: !16) 52!16 = !{!3, !3} 53!17 = !{!13, !18} 54!18 = !DILocalVariable(name: "xyz", scope: !19, file: !2, line: 10, type: !20) 55!19 = distinct !DILexicalBlock(scope: !14, file: !2, line: 9) 56!20 = !DICompositeType(tag: DW_TAG_structure_type, name: "X", scope: !14, file: !2, line: 10, size: 64, align: 32, elements: !21) 57!21 = !{!22, !23} 58!22 = !DIDerivedType(tag: DW_TAG_member, name: "a", scope: !20, file: !2, line: 10, baseType: !3, size: 32, align: 32) 59!23 = !DIDerivedType(tag: DW_TAG_member, name: "b", scope: !20, file: !2, line: 10, baseType: !3, size: 32, align: 32, offset: 32) 60!24 = !DIExpression() 61!25 = !DILocation(line: 9, scope: !14, inlinedAt: !11) 62!26 = !DILocation(line: 9, scope: !19, inlinedAt: !11) 63!27 = !DILocation(line: 11, scope: !19, inlinedAt: !11) 64!28 = !DILocation(line: 16, scope: !12) 65 66