1; RUN: %llc_dwarf -O0 -filetype=obj < %s | llvm-dwarfdump -debug-info - | FileCheck --implicit-check-not "{{DW_TAG|NULL}}" %s 2 3; Generated from the following source: 4; namespace ns { 5; void f(); 6; } 7; inline __attribute__((always_inline)) void f1() { 8; using ns::f; 9; f(); 10; } 11; void f2() { f1(); } 12 13; Ensure that top level imported declarations don't produce an extra degenerate 14; concrete subprogram definition. 15 16; CHECK: DW_TAG_compile_unit 17; CHECK: DW_TAG_subprogram 18; CHECK: DW_AT_name ("f1") 19; CHECK: DW_TAG_imported_declaration 20; CHECK: NULL 21; CHECK: DW_TAG_subprogram 22; CHECK: DW_AT_name ("f2") 23; CHECK: DW_TAG_inlined_subroutine 24; CHECK: NULL 25; CHECK: DW_TAG_namespace 26; CHECK: DW_TAG_subprogram 27; CHECK: NULL 28; CHECK: NULL 29 30; Function Attrs: noinline 31define void @_Z2f2v() noinline !dbg !14 { 32entry: 33 call void @_ZN2ns1fEv(), !dbg !15 34 ret void, !dbg !17 35} 36 37declare void @_ZN2ns1fEv() 38 39!llvm.dbg.cu = !{!0} 40!llvm.module.flags = !{!10, !11, !12} 41!llvm.ident = !{!13} 42 43!0 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, file: !1, producer: "clang version 6.0.0 (trunk 309061) (llvm/trunk 309076)", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, enums: !2) 44!1 = !DIFile(filename: "imported-name-inlined.cpp", directory: "/usr/local/google/home/blaikie/dev/scratch") 45!2 = !{} 46!3 = !{!4} 47!4 = !DIImportedEntity(tag: DW_TAG_imported_declaration, scope: !5, entity: !8, file: !1, line: 5) 48!5 = distinct !DISubprogram(name: "f1", linkageName: "_Z2f1v", scope: !1, file: !1, line: 4, type: !6, isLocal: false, isDefinition: true, scopeLine: 4, flags: DIFlagPrototyped, isOptimized: false, unit: !0, retainedNodes: !3) 49!6 = !DISubroutineType(types: !7) 50!7 = !{null} 51!8 = !DISubprogram(name: "f", linkageName: "_ZN2ns1fEv", scope: !9, file: !1, line: 2, type: !6, isLocal: false, isDefinition: false, flags: DIFlagPrototyped, isOptimized: false) 52!9 = !DINamespace(name: "ns", scope: null) 53!10 = !{i32 2, !"Dwarf Version", i32 4} 54!11 = !{i32 2, !"Debug Info Version", i32 3} 55!12 = !{i32 1, !"wchar_size", i32 4} 56!13 = !{!"clang version 6.0.0 (trunk 309061) (llvm/trunk 309076)"} 57!14 = distinct !DISubprogram(name: "f2", linkageName: "_Z2f2v", scope: !1, file: !1, line: 8, type: !6, isLocal: false, isDefinition: true, scopeLine: 8, flags: DIFlagPrototyped, isOptimized: false, unit: !0, retainedNodes: !2) 58!15 = !DILocation(line: 6, column: 3, scope: !5, inlinedAt: !16) 59!16 = distinct !DILocation(line: 8, column: 13, scope: !14) 60!17 = !DILocation(line: 8, column: 19, scope: !14) 61