1 files changed, 8 insertions, 0 deletions
diff --git a/llvm/lib/DWARFLinker/DWARFLinkerCompileUnit.cpp b/llvm/lib/DWARFLinker/DWARFLinkerCompileUnit.cpp
index e4de01676dcac..f59a9023c6908 100644
--- a/llvm/lib/DWARFLinker/DWARFLinkerCompileUnit.cpp
+++ b/llvm/lib/DWARFLinker/DWARFLinkerCompileUnit.cpp
@@ -29,6 +29,14 @@ uint16_t CompileUnit::getLanguage() {
   return Language;
 }
 
+StringRef CompileUnit::getSysRoot() {
+  if (SysRoot.empty()) {
+    DWARFDie CU = getOrigUnit().getUnitDIE();
+    SysRoot = dwarf::toStringRef(CU.find(dwarf::DW_AT_LLVM_sysroot)).str();
+  }
+  return SysRoot;
+}
+ 
 void CompileUnit::markEverythingAsKept() {
   unsigned Idx = 0;