1; XFAIL: target={{.*}}-aix{{.*}} 2; RUN: %llc_dwarf < %s -filetype=obj | llvm-dwarfdump -debug-line - | FileCheck %s 3; RUN: %llc_dwarf < %s -filetype=asm | FileCheck --check-prefix=ASM %s 4 5; If multiple line tables are emitted, one per CU, those line tables can 6; unambiguously rely on the comp_dir of their owning CU and use directory '0' 7; to refer to it. 8 9; CHECK: .debug_line contents: 10; CHECK-NEXT: debug_line[{{.*}}] 11; CHECK-NEXT: Line table prologue: 12; CHECK-NOT: include_directories 13; CHECK: file_names[ 1] 14; CHECK: name: "a.cpp" 15; CHECK-NEXT: dir_index: 0 16; CHECK-NOT: file_names 17 18; CHECK: debug_line[{{.*}}] 19; CHECK-NEXT: Line table prologue: 20; CHECK-NOT: include_directories 21; CHECK: file_names[ 1] 22; CHECK: name: "b.cpp" 23; CHECK-NEXT: dir_index: 0 24; CHECK-NOT: file_names 25 26; However, if a single line table is emitted and shared between CUs, the 27; comp_dir is ambiguous and relying on it would lead to different path 28; interpretations depending on which CU lead to the table - so ensure that 29; full paths are always emitted in this case, never comp_dir relative. 30 31; ASM: .file 1 "/tmp/dbginfo/a" "a.cpp" 32; ASM: .file 2 "/tmp/dbginfo/b" "b.cpp" 33 34; Generated from the following source compiled to bitcode from within their 35; respective directories (with debug info) and linked together with llvm-link 36 37; a/a.cpp 38; void func() { 39; } 40 41; b/b.cpp 42; void func(); 43; int main() { 44; func(); 45; } 46 47; Function Attrs: nounwind uwtable 48define void @_Z4funcv() #0 !dbg !4 { 49entry: 50 ret void, !dbg !19 51} 52 53; Function Attrs: uwtable 54define i32 @main() #1 !dbg !11 { 55entry: 56 call void @_Z4funcv(), !dbg !20 57 ret i32 0, !dbg !21 58} 59 60attributes #0 = { nounwind uwtable "less-precise-fpmad"="false" "frame-pointer"="all" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" } 61attributes #1 = { uwtable "less-precise-fpmad"="false" "frame-pointer"="all" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" } 62 63!llvm.dbg.cu = !{!0, !8} 64!llvm.module.flags = !{!16, !17} 65!llvm.ident = !{!18, !18} 66 67!0 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, producer: "clang version 3.5.0 ", isOptimized: false, emissionKind: FullDebug, file: !1, enums: !2, retainedTypes: !2, globals: !2, imports: !2) 68!1 = !DIFile(filename: "a.cpp", directory: "/tmp/dbginfo/a") 69!2 = !{} 70!4 = distinct !DISubprogram(name: "func", linkageName: "_Z4funcv", line: 1, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, unit: !0, scopeLine: 1, file: !1, scope: !5, type: !6, retainedNodes: !2) 71!5 = !DIFile(filename: "a.cpp", directory: "/tmp/dbginfo/a") 72!6 = !DISubroutineType(types: !7) 73!7 = !{null} 74!8 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, producer: "clang version 3.5.0 ", isOptimized: false, emissionKind: FullDebug, file: !9, enums: !2, retainedTypes: !2, globals: !2, imports: !2) 75!9 = !DIFile(filename: "b.cpp", directory: "/tmp/dbginfo/b") 76!11 = distinct !DISubprogram(name: "main", line: 2, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, unit: !8, scopeLine: 2, file: !9, scope: !12, type: !13, retainedNodes: !2) 77!12 = !DIFile(filename: "b.cpp", directory: "/tmp/dbginfo/b") 78!13 = !DISubroutineType(types: !14) 79!14 = !{!15} 80!15 = !DIBasicType(tag: DW_TAG_base_type, name: "int", size: 32, align: 32, encoding: DW_ATE_signed) 81!16 = !{i32 2, !"Dwarf Version", i32 4} 82!17 = !{i32 1, !"Debug Info Version", i32 3} 83!18 = !{!"clang version 3.5.0 "} 84!19 = !DILocation(line: 2, scope: !4) 85!20 = !DILocation(line: 3, scope: !11) 86!21 = !DILocation(line: 4, scope: !11) 87 88