diff --git a/llvm/include/llvm/IR/IRBuilder.h b/llvm/include/llvm/IR/IRBuilder.h
--- a/llvm/include/llvm/IR/IRBuilder.h
+++ b/llvm/include/llvm/IR/IRBuilder.h
@@ -572,8 +572,9 @@
           uint64_t Size, bool isVolatile = false, MDNode *TBAATag = nullptr,
           MDNode *ScopeTag = nullptr, MDNode *NoAliasTag = nullptr),
       "Use the version that takes MaybeAlign") {
-    return CreateMemMove(Dst, DstAlign, Src, SrcAlign, getInt64(Size), isVolatile,
-                         TBAATag, ScopeTag, NoAliasTag);
+    return CreateMemMove(Dst, MaybeAlign(DstAlign), Src, MaybeAlign(SrcAlign),
+                         getInt64(Size), isVolatile, TBAATag, ScopeTag,
+                         NoAliasTag);
   }
   CallInst *CreateMemMove(Value *Dst, MaybeAlign DstAlign, Value *Src,
                           MaybeAlign SrcAlign, uint64_t Size,