diff --git a/llvm/lib/CodeGen/AsmPrinter/DwarfFile.cpp b/llvm/lib/CodeGen/AsmPrinter/DwarfFile.cpp
index 0ab9ea8..1e5b7f1 100644
--- a/llvm/lib/CodeGen/AsmPrinter/DwarfFile.cpp
+++ b/llvm/lib/CodeGen/AsmPrinter/DwarfFile.cpp
@@ -109,3 +109,11 @@
   SmallVectorImpl<DbgLabel *> &Labels = ScopeLabels[LS];
   Labels.push_back(Label);
 }
+
+std::pair<uint32_t, RangeSpanList *>
+DwarfFile::addRange(const MCSymbol *&CUBaseAddress,
+                    SmallVector<RangeSpan, 2> R) {
+  CURangeLists.push_back(RangeSpanList(Asm->createTempSymbol("debug_ranges"),
+                                       CUBaseAddress, std::move(R)));
+  return std::make_pair(CURangeLists.size() - 1, &CURangeLists.back());
+}