1 files changed, 12 insertions, 0 deletions
diff --git a/llvm/lib/DebugInfo/DWARF/DWARFDie.cpp b/llvm/lib/DebugInfo/DWARF/DWARFDie.cpp
index 0ef65c2b0b6..904ceab7b28 100644
--- a/llvm/lib/DebugInfo/DWARF/DWARFDie.cpp
+++ b/llvm/lib/DebugInfo/DWARF/DWARFDie.cpp
@@ -555,12 +555,24 @@ DWARFDie DWARFDie::getSibling() const {
   return DWARFDie();
 }
 
+DWARFDie DWARFDie::getPreviousSibling() const {
+  if (isValid())
+    return U->getPreviousSibling(Die);
+  return DWARFDie();
+}
+
 DWARFDie DWARFDie::getFirstChild() const {
   if (isValid())
     return U->getFirstChild(Die);
   return DWARFDie();
 }
 
+DWARFDie DWARFDie::getLastChild() const {
+  if (isValid())
+    return U->getLastChild(Die);
+  return DWARFDie();
+}
+
 iterator_range<DWARFDie::attribute_iterator> DWARFDie::attributes() const {
   return make_range(attribute_iterator(*this, false),
                     attribute_iterator(*this, true));