Index: lib/CodeGen/AsmPrinter/DwarfDebug.cpp =================================================================== --- lib/CodeGen/AsmPrinter/DwarfDebug.cpp +++ lib/CodeGen/AsmPrinter/DwarfDebug.cpp @@ -529,13 +529,6 @@ forBothCUs(*CUMap.lookup(SP->getUnit()), [&](DwarfCompileUnit &CU) { CU.finishSubprogramDefinition(SP); }); - for (auto *AbsScope : LScopes.getAbstractScopesList()) - if (auto *SP = dyn_cast(AbsScope->getScopeNode())) - if (ProcessedSPNodes.count(SP) && - SP->getUnit()->getEmissionKind() != DICompileUnit::NoDebug) - forBothCUs(*CUMap.lookup(SP->getUnit()), [&](DwarfCompileUnit &CU) { - CU.finishSubprogramDefinition(SP); - }); } void DwarfDebug::finalizeModuleInfo() { Index: test/DebugInfo/X86/abstract_origin.ll =================================================================== --- /dev/null +++ test/DebugInfo/X86/abstract_origin.ll @@ -0,0 +1,57 @@ +; RUN: %llc_dwarf -filetype=obj %s -o - | llvm-dwarfdump -debug-dump=info - | FileCheck %s +; Generated at -O2 from: +; void f(); +; __attribute__((always_inline)) void g() { +; f(); +; } +; void h() { +; g(); +; }; +; CHECK: DW_TAG_subprogram +; CHECK: DW_AT_abstract_origin {{.*}}"g" +; CHECK-NOT: DW_AT_abstract_origin {{.*}}"g" +; CHECK: DW_TAG +source_filename = "test.c" +target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128" +target triple = "x86_64-apple-macosx10.11.0" + +; Function Attrs: alwaysinline nounwind ssp uwtable +define void @g() #0 !dbg !7 { +entry: + tail call void (...) @f() #3, !dbg !10 + ret void, !dbg !11 +} + +declare void @f(...) + +; Function Attrs: nounwind ssp uwtable +define void @h() #2 !dbg !12 { +entry: + tail call void (...) @f() #3, !dbg !13 + ret void, !dbg !15 +} + +attributes #0 = { alwaysinline nounwind ssp uwtable } +attributes #2 = { nounwind ssp uwtable } +attributes #3 = { nounwind } + +!llvm.dbg.cu = !{!0} +!llvm.module.flags = !{!3, !4, !5} +!llvm.ident = !{!6} + +!0 = distinct !DICompileUnit(language: DW_LANG_C99, file: !1, producer: "clang version 3.9.0 ", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: !2) +!1 = !DIFile(filename: "test.c", directory: "/Volumes/Data/llvm") +!2 = !{} +!3 = !{i32 2, !"Dwarf Version", i32 2} +!4 = !{i32 2, !"Debug Info Version", i32 3} +!5 = !{i32 1, !"PIC Level", i32 2} +!6 = !{!"clang version 3.9.0 "} +!7 = distinct !DISubprogram(name: "g", scope: !1, file: !1, line: 2, type: !8, isLocal: false, isDefinition: true, scopeLine: 2, isOptimized: true, unit: !0, variables: !2) +!8 = !DISubroutineType(types: !9) +!9 = !{null} +!10 = !DILocation(line: 3, column: 3, scope: !7) +!11 = !DILocation(line: 4, column: 1, scope: !7) +!12 = distinct !DISubprogram(name: "h", scope: !1, file: !1, line: 5, type: !8, isLocal: false, isDefinition: true, scopeLine: 5, isOptimized: true, unit: !0, variables: !2) +!13 = !DILocation(line: 3, column: 3, scope: !7, inlinedAt: !14) +!14 = distinct !DILocation(line: 6, column: 3, scope: !12) +!15 = !DILocation(line: 7, column: 1, scope: !12)