1 ; REQUIRES: object-emission 2 3 ; Generate one file with all linkage names, and another with only abstract ones. 4 ; Then test both. 5 ; RUN: %llc_dwarf -accel-tables=Dwarf -dwarf-linkage-names=All -filetype=obj -o %t.All < %s 6 ; RUN: %llc_dwarf -accel-tables=Dwarf -dwarf-linkage-names=Abstract -filetype=obj -o %t.Abstract < %s 7 ; RUN: llvm-dwarfdump -debug-info -debug-names %t.All | FileCheck %s --check-prefix=ALL 8 ; RUN: llvm-dwarfdump -debug-info -debug-names %t.Abstract \ 9 ; RUN: | FileCheck %s --check-prefix=ABSTRACT --implicit-check-not=_Z1gi --implicit-check-not=_ZN1n1vE 10 ; RUN: llvm-dwarfdump -debug-names -verify %t.All | FileCheck --check-prefix=VERIFY %s 11 ; RUN: llvm-dwarfdump -debug-names -verify %t.Abstract | FileCheck --check-prefix=VERIFY %s 12 13 ; We should have all three linkage names in the .debug_info and .debug_names 14 ; ALL: .debug_info contents: 15 ; ALL: DW_AT_linkage_name ("_ZN1n1vE") 16 ; ALL: DW_AT_linkage_name ("_Z1fi") 17 ; ALL: DW_AT_linkage_name ("_Z1gi") 18 ; ALL: .debug_names contents: 19 ; ALL: String: {{.*}} "_Z1fi" 20 ; ALL: String: {{.*}} "_Z1gi" 21 ; ALL: String: {{.*}} "_ZN1n1vE" 22 23 ; Only _Z1fi should be present in both sections 24 ; ABSTRACT: .debug_info contents: 25 ; ABSTRACT: DW_AT_linkage_name ("_Z1fi") 26 ; ABSTRACT: .debug_names contents: 27 ; ABSTRACT: String: {{.*}} "_Z1fi" 28 29 ; There should be no verification errors for both files. 30 ; VERIFY: No errors. 31 32 ; Input generated from the following C code using 33 ; clang -g -O2 -S -emit-llvm 34 35 ; int e(int); 36 ; inline int f(int a) { return e(a); } 37 ; int g(int a) { return f(a); } 38 ; 39 ; namespace n { 40 ; int v; 41 ; } 42 43 @_ZN1n1vE = dso_local local_unnamed_addr global i32 0, align 4, !dbg !0 44 45 define dso_local i32 @_Z1gi(i32 %a) local_unnamed_addr !dbg !12 { 46 entry: 47 call void @llvm.dbg.value(metadata i32 %a, metadata !16, metadata !DIExpression()), !dbg !17 48 call void @llvm.dbg.value(metadata i32 %a, metadata !18, metadata !DIExpression()), !dbg !21 49 %call.i = tail call i32 @_Z1ei(i32 %a), !dbg !23 50 ret i32 %call.i, !dbg !24 51 } 52 53 declare dso_local i32 @_Z1ei(i32) local_unnamed_addr 54 55 ; Function Attrs: nounwind readnone speculatable 56 declare void @llvm.dbg.value(metadata, metadata, metadata) #0 57 58 attributes #2 = { nounwind readnone speculatable } 59 60 !llvm.dbg.cu = !{!5} 61 !llvm.module.flags = !{!8, !9, !10} 62 !llvm.ident = !{!11} 63 64 !0 = !DIGlobalVariableExpression(var: !1, expr: !DIExpression()) 65 !1 = distinct !DIGlobalVariable(name: "v", linkageName: "_ZN1n1vE", scope: !2, file: !3, line: 6, type: !4, isLocal: false, isDefinition: true) 66 !2 = !DINamespace(name: "n", scope: null) 67 !3 = !DIFile(filename: "/tmp/linkage-name.cc", directory: "/usr/local/google/home/labath/ll/build/dbg") 68 !4 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed) 69 !5 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, file: !3, producer: "clang version 7.0.0 (trunk 331861) (llvm/trunk 331884)", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: !6, globals: !7) 70 !6 = !{} 71 !7 = !{!0} 72 !8 = !{i32 2, !"Dwarf Version", i32 4} 73 !9 = !{i32 2, !"Debug Info Version", i32 3} 74 !10 = !{i32 1, !"wchar_size", i32 4} 75 !11 = !{!"clang version 7.0.0 (trunk 331861) (llvm/trunk 331884)"} 76 !12 = distinct !DISubprogram(name: "g", linkageName: "_Z1gi", scope: !3, file: !3, line: 3, type: !13, isLocal: false, isDefinition: true, scopeLine: 3, flags: DIFlagPrototyped, isOptimized: true, unit: !5, retainedNodes: !15) 77 !13 = !DISubroutineType(types: !14) 78 !14 = !{!4, !4} 79 !15 = !{!16} 80 !16 = !DILocalVariable(name: "a", arg: 1, scope: !12, file: !3, line: 3, type: !4) 81 !17 = !DILocation(line: 3, column: 11, scope: !12) 82 !18 = !DILocalVariable(name: "a", arg: 1, scope: !19, file: !3, line: 2, type: !4) 83 !19 = distinct !DISubprogram(name: "f", linkageName: "_Z1fi", scope: !3, file: !3, line: 2, type: !13, isLocal: false, isDefinition: true, scopeLine: 2, flags: DIFlagPrototyped, isOptimized: true, unit: !5, retainedNodes: !20) 84 !20 = !{!18} 85 !21 = !DILocation(line: 2, column: 18, scope: !19, inlinedAt: !22) 86 !22 = distinct !DILocation(line: 3, column: 23, scope: !12) 87 !23 = !DILocation(line: 2, column: 30, scope: !19, inlinedAt: !22) 88 !24 = !DILocation(line: 3, column: 16, scope: !12) 89
