diff --git a/llvm/lib/CodeGen/SelectionDAG/SelectionDAGDumper.cpp b/llvm/lib/CodeGen/SelectionDAG/SelectionDAGDumper.cpp
--- a/llvm/lib/CodeGen/SelectionDAG/SelectionDAGDumper.cpp
+++ b/llvm/lib/CodeGen/SelectionDAG/SelectionDAGDumper.cpp
@@ -817,6 +817,8 @@
   } else if (const LifetimeSDNode *LN = dyn_cast<LifetimeSDNode>(this)) {
     if (LN->hasOffset())
       OS << "<" << LN->getOffset() << " to " << LN->getOffset() + LN->getSize() << ">";
+  } else if (const auto *AA = dyn_cast<AssertAlignSDNode>(this)) {
+    OS << '<' << AA->getAlign().value() << '>';
   }
 
   if (VerboseDAGDumping) {