1; RUN: llc -mtriple=x86_64-linux -split-dwarf-file=foo.dwo -filetype=obj -o %t < %s 2; RUN: llvm-dwarfdump -debug-info %t | FileCheck %s 3 4; CHECK: DW_AT_name ("b.cpp") 5; CHECK: DW_TAG_subprogram 6; CHECK-NEXT: DW_AT_linkage_name ("_ZN5outer2f2Ev") 7; CHECK-NEXT: DW_AT_name ("f2") 8; CHECK-NEXT: DW_AT_decl_file (0x02) 9; CHECK-NEXT: DW_AT_decl_line (4) 10 11; Function Attrs: norecurse nounwind uwtable mustprogress 12define dso_local i32 @main() local_unnamed_addr #2 !dbg !26 { 13entry: 14 tail call void @_Z2f1v() #3, !dbg !28 15 tail call void @_Z2f1v() #3, !dbg !30 16 ret i32 0, !dbg !32 17} 18 19; Function Attrs: nounwind uwtable mustprogress 20define dso_local void @_ZN5outer2f2Ev() local_unnamed_addr #1 align 2 !dbg !16 { 21entry: 22 tail call void @_Z2f1v(), !dbg !21 23 ret void, !dbg !22 24} 25 26; Function Attrs: noinline nounwind optnone uwtable mustprogress 27define dso_local void @_Z2f1v() local_unnamed_addr #0 !dbg !12 { 28entry: 29 ret void, !dbg !15 30} 31 32; Function Attrs: nounwind uwtable mustprogress 33define dso_local void @_Z2f2v() local_unnamed_addr #1 !dbg !23 { 34entry: 35 tail call void @_Z2f1v(), !dbg !24 36 ret void, !dbg !25 37} 38 39attributes #0 = { noinline nounwind optnone uwtable mustprogress "frame-pointer"="none" "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" } 40attributes #1 = { nounwind uwtable mustprogress "frame-pointer"="none" "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" } 41attributes #2 = { norecurse nounwind uwtable mustprogress "frame-pointer"="none" "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" } 42attributes #3 = { nounwind } 43 44!llvm.dbg.cu = !{!0, !3} 45!llvm.ident = !{!5, !5} 46!llvm.module.flags = !{!6, !7, !8, !9, !10, !11} 47 48!0 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus_14, file: !1, producer: "clang version 13.0.0 (git@github.com:llvm/llvm-project.git 9aa951e80e72decd95c7d972e1e0dde24260d336)", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: !2, splitDebugInlining: false, debugInfoForProfiling: true, nameTableKind: None) 49!1 = !DIFile(filename: "a.cpp", directory: "/usr/local/google/home/blaikie/dev/scratch") 50!2 = !{} 51!3 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus_14, file: !4, producer: "clang version 13.0.0 (git@github.com:llvm/llvm-project.git 9aa951e80e72decd95c7d972e1e0dde24260d336)", isOptimized: true, runtimeVersion: 0, emissionKind: LineTablesOnly, enums: !2, splitDebugInlining: false, debugInfoForProfiling: true, nameTableKind: None) 52!4 = !DIFile(filename: "b.cpp", directory: "/usr/local/google/home/blaikie/dev/scratch") 53!5 = !{!"clang version 13.0.0 (git@github.com:llvm/llvm-project.git 9aa951e80e72decd95c7d972e1e0dde24260d336)"} 54!6 = !{i32 7, !"Dwarf Version", i32 4} 55!7 = !{i32 2, !"Debug Info Version", i32 3} 56!8 = !{i32 1, !"wchar_size", i32 4} 57!9 = !{i32 7, !"uwtable", i32 1} 58!10 = !{i32 1, !"ThinLTO", i32 0} 59!11 = !{i32 1, !"EnableSplitLTOUnit", i32 1} 60!12 = distinct !DISubprogram(name: "f1", linkageName: "_Z2f1v", scope: !1, file: !1, line: 2, type: !13, scopeLine: 2, flags: DIFlagPrototyped | DIFlagAllCallsDescribed, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !0, retainedNodes: !2) 61!13 = !DISubroutineType(types: !14) 62!14 = !{null} 63!15 = !DILocation(line: 3, column: 1, scope: !12) 64!16 = distinct !DISubprogram(name: "f2", linkageName: "_ZN5outer2f2Ev", scope: !17, file: !1, line: 4, type: !13, scopeLine: 4, flags: DIFlagPrototyped | DIFlagAllCallsDescribed, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !0, declaration: !20, retainedNodes: !2) 65!17 = distinct !DICompositeType(tag: DW_TAG_structure_type, name: "outer", file: !18, line: 1, size: 8, flags: DIFlagTypePassByValue, elements: !19, identifier: "_ZTS5outer") 66!18 = !DIFile(filename: "./a.h", directory: "/usr/local/google/home/blaikie/dev/scratch") 67!19 = !{!20} 68!20 = !DISubprogram(name: "f2", linkageName: "_ZN5outer2f2Ev", scope: !17, file: !18, line: 2, type: !13, scopeLine: 2, flags: DIFlagPrototyped | DIFlagStaticMember, spFlags: DISPFlagOptimized) 69!21 = !DILocation(line: 5, column: 3, scope: !16) 70!22 = !DILocation(line: 6, column: 1, scope: !16) 71!23 = distinct !DISubprogram(name: "f2", linkageName: "_Z2f2v", scope: !1, file: !1, line: 7, type: !13, scopeLine: 7, flags: DIFlagPrototyped | DIFlagAllCallsDescribed, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !0, retainedNodes: !2) 72!24 = !DILocation(line: 8, column: 3, scope: !23) 73!25 = !DILocation(line: 9, column: 1, scope: !23) 74!26 = distinct !DISubprogram(name: "main", scope: !4, file: !4, line: 2, type: !27, scopeLine: 2, flags: DIFlagPrototyped | DIFlagAllCallsDescribed, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !3, retainedNodes: !2) 75!27 = !DISubroutineType(types: !2) 76!28 = !DILocation(line: 5, column: 3, scope: !16, inlinedAt: !29) 77!29 = distinct !DILocation(line: 3, column: 3, scope: !26) 78!30 = !DILocation(line: 8, column: 3, scope: !23, inlinedAt: !31) 79!31 = distinct !DILocation(line: 4, column: 3, scope: !26) 80!32 = !DILocation(line: 5, column: 1, scope: !26) 81