diff --git a/llvm/lib/CodeGen/AsmPrinter/DwarfUnit.cpp b/llvm/lib/CodeGen/AsmPrinter/DwarfUnit.cpp index c6d9fcfb0b76c..76f7b0920434b 100644 --- a/llvm/lib/CodeGen/AsmPrinter/DwarfUnit.cpp +++ b/llvm/lib/CodeGen/AsmPrinter/DwarfUnit.cpp @@ -1784,6 +1784,10 @@ DIE *DwarfUnit::getOrCreateStaticMemberDIE(const DIDerivedType *DT) { addFlag(StaticMemberDIE, dwarf::DW_AT_external); addFlag(StaticMemberDIE, dwarf::DW_AT_declaration); + // Consider the case when the static member was created by the compiler. + if (DT->isArtificial()) + addFlag(StaticMemberDIE, dwarf::DW_AT_artificial); + // FIXME: We could omit private if the parent is a class_type, and // public if the parent is something else. addAccess(StaticMemberDIE, DT->getFlags()); diff --git a/llvm/test/DebugInfo/Generic/artificial-static-member.ll b/llvm/test/DebugInfo/Generic/artificial-static-member.ll new file mode 100644 index 0000000000000..3263c976e3915 --- /dev/null +++ b/llvm/test/DebugInfo/Generic/artificial-static-member.ll @@ -0,0 +1,41 @@ +; RUN: llc -O0 -filetype=obj < %s | \ +; RUN: llvm-dwarfdump --debug-info - | FileCheck %s + +; LLVM IR generated from: + +; struct S { +; static int Member; <-- Manually marked as artificial +; }; +; int S::Member = 1; + +source_filename = "artificial-static-member.cpp" +target triple = "x86_64-pc-linux-gnu" + +@_ZN1S6MemberE = dso_local global i32 1, align 4, !dbg !0 + +!llvm.dbg.cu = !{!2} +!llvm.module.flags = !{!9, !10} + +!0 = !DIGlobalVariableExpression(var: !1, expr: !DIExpression()) +!1 = distinct !DIGlobalVariable(name: "Member", linkageName: "_ZN1S6MemberE", scope: !2, type: !5, isLocal: false, isDefinition: true, declaration: !6) +!2 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus_14, file: !3, emissionKind: FullDebug, globals: !4) +!3 = !DIFile(filename: "artificial-static-member.cpp", directory: "") +!4 = !{!0} +!5 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed) +!6 = !DIDerivedType(tag: DW_TAG_variable, name: "Member", scope: !7, baseType: !5, flags: DIFlagArtificial | DIFlagStaticMember) +!7 = distinct !DICompositeType(tag: DW_TAG_structure_type, name: "S", size: 8, flags: DIFlagTypePassByValue, elements: !8, identifier: "_ZTS1S") +!8 = !{!6} +!9 = !{i32 7, !"Dwarf Version", i32 5} +!10 = !{i32 2, !"Debug Info Version", i32 3} + +; CHECK: {{.*}}DW_TAG_structure_type +; CHECK-NEXT: DW_AT_calling_convention +; CHECK-NEXT: DW_AT_name ("S") +; CHECK-NEXT: DW_AT_byte_size + +; CHECK: {{.*}}DW_TAG_variable +; CHECK-NEXT: DW_AT_name ("Member") +; CHECK-NEXT: DW_AT_type +; CHECK-NEXT: DW_AT_external (true) +; CHECK-NEXT: DW_AT_declaration (true) +; CHECK-NEXT: DW_AT_artificial (true)