Index: llvm/trunk/lib/DebugInfo/DWARF/DWARFDie.cpp =================================================================== --- llvm/trunk/lib/DebugInfo/DWARF/DWARFDie.cpp +++ llvm/trunk/lib/DebugInfo/DWARF/DWARFDie.cpp @@ -306,17 +306,16 @@ DWARFDie::findRecursively(ArrayRef Attrs) const { if (!isValid()) return None; - auto Die = *this; - if (auto Value = Die.find(Attrs)) - return Value; - if (auto D = Die.getAttributeValueAsReferencedDie(DW_AT_abstract_origin)) - Die = D; - if (auto Value = Die.find(Attrs)) - return Value; - if (auto D = Die.getAttributeValueAsReferencedDie(DW_AT_specification)) - Die = D; - if (auto Value = Die.find(Attrs)) + if (auto Value = find(Attrs)) return Value; + if (auto Die = getAttributeValueAsReferencedDie(DW_AT_abstract_origin)) { + if (auto Value = Die.findRecursively(Attrs)) + return Value; + } + if (auto Die = getAttributeValueAsReferencedDie(DW_AT_specification)) { + if (auto Value = Die.findRecursively(Attrs)) + return Value; + } return None; } Index: llvm/trunk/unittests/DebugInfo/DWARF/DWARFDebugInfoTest.cpp =================================================================== --- llvm/trunk/unittests/DebugInfo/DWARF/DWARFDebugInfoTest.cpp +++ llvm/trunk/unittests/DebugInfo/DWARF/DWARFDebugInfoTest.cpp @@ -1287,12 +1287,16 @@ auto CUDie = CU.getUnitDIE(); auto FuncSpecDie = CUDie.addChild(DW_TAG_subprogram); auto FuncAbsDie = CUDie.addChild(DW_TAG_subprogram); + // Put the linkage name in a second abstract origin DIE to ensure we + // recurse through more than just one DIE when looking for attributes. + auto FuncAbsDie2 = CUDie.addChild(DW_TAG_subprogram); auto FuncDie = CUDie.addChild(DW_TAG_subprogram); auto VarAbsDie = CUDie.addChild(DW_TAG_variable); auto VarDie = CUDie.addChild(DW_TAG_variable); FuncSpecDie.addAttribute(DW_AT_name, DW_FORM_strp, SpecDieName); - FuncAbsDie.addAttribute(DW_AT_linkage_name, DW_FORM_strp, SpecLinkageName); + FuncAbsDie2.addAttribute(DW_AT_linkage_name, DW_FORM_strp, SpecLinkageName); FuncAbsDie.addAttribute(DW_AT_specification, DW_FORM_ref4, FuncSpecDie); + FuncAbsDie.addAttribute(DW_AT_abstract_origin, DW_FORM_ref4, FuncAbsDie2); FuncDie.addAttribute(DW_AT_abstract_origin, DW_FORM_ref4, FuncAbsDie); VarAbsDie.addAttribute(DW_AT_name, DW_FORM_strp, AbsDieName); VarDie.addAttribute(DW_AT_abstract_origin, DW_FORM_ref4, VarAbsDie); @@ -1314,7 +1318,8 @@ auto FuncSpecDie = CUDie.getFirstChild(); auto FuncAbsDie = FuncSpecDie.getSibling(); - auto FuncDie = FuncAbsDie.getSibling(); + auto FuncAbsDie2 = FuncAbsDie.getSibling(); + auto FuncDie = FuncAbsDie2.getSibling(); auto VarAbsDie = FuncDie.getSibling(); auto VarDie = VarAbsDie.getSibling();