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1; XFAIL: target={{.*}}-aix{{.*}}2; RUN: %llc_dwarf < %s -filetype=obj | llvm-dwarfdump -debug-line - | FileCheck %s3; RUN: %llc_dwarf < %s -filetype=asm | FileCheck --check-prefix=ASM %s4 5; If multiple line tables are emitted, one per CU, those line tables can6; 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_directories13; CHECK: file_names[ 1]14; CHECK: name: "a.cpp"15; CHECK-NEXT: dir_index: 016; CHECK-NOT: file_names17 18; CHECK: debug_line[{{.*}}]19; CHECK-NEXT: Line table prologue:20; CHECK-NOT: include_directories21; CHECK: file_names[ 1]22; CHECK: name: "b.cpp"23; CHECK-NEXT: dir_index: 024; CHECK-NOT: file_names25 26; However, if a single line table is emitted and shared between CUs, the27; comp_dir is ambiguous and relying on it would lead to different path28; interpretations depending on which CU lead to the table - so ensure that29; 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 their35; respective directories (with debug info) and linked together with llvm-link36 37; a/a.cpp38; void func() {39; }40 41; b/b.cpp42; void func();43; int main() {44; func();45; }46 47; Function Attrs: nounwind uwtable48define void @_Z4funcv() #0 !dbg !4 {49entry:50 ret void, !dbg !1951}52 53; Function Attrs: uwtable54define i32 @main() #1 !dbg !11 {55entry:56 call void @_Z4funcv(), !dbg !2057 ret i32 0, !dbg !2158}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" "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" "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