1 files changed, 5 insertions, 1 deletions
diff --git a/llvm/utils/TableGen/CodeGenDAGPatterns.h b/llvm/utils/TableGen/CodeGenDAGPatterns.h
index f029b213e0a..defd5232043 100644
--- a/llvm/utils/TableGen/CodeGenDAGPatterns.h
+++ b/llvm/utils/TableGen/CodeGenDAGPatterns.h
@@ -813,7 +813,11 @@ public:
   const std::vector<TreePatternNodePtr> &getTrees() const { return Trees; }
   unsigned getNumTrees() const { return Trees.size(); }
   const TreePatternNodePtr &getTree(unsigned i) const { return Trees[i]; }
-  void setTree(unsigned i, TreePatternNodePtr Tree) { Trees[i] = Tree; }
+
+  void setTree(unsigned i, TreePatternNodePtr Tree) {
+    Trees[i] = std::move(Tree);
+  }
+
   TreePatternNodePtr getOnlyTree() const {
     assert(Trees.size() == 1 && "Doesn't have exactly one pattern!");
     return Trees[0];