diff --git a/llvm/utils/TableGen/AsmMatcherEmitter.cpp b/llvm/utils/TableGen/AsmMatcherEmitter.cpp
index d279e8c3ae94..4fe060b05fa7 100644
--- a/llvm/utils/TableGen/AsmMatcherEmitter.cpp
+++ b/llvm/utils/TableGen/AsmMatcherEmitter.cpp
@@ -3323,6 +3323,7 @@ void AsmMatcherEmitter::run(raw_ostream &OS) {
     OS << "          }\n";
     OS << "        } else {\n";
     OS << "          DEBUG_WITH_TYPE(\"asm-matcher\", dbgs() << \"but formal operand not required\\n\");\n";
+    OS << "          break;\n";
     OS << "        }\n";
     OS << "        continue;\n";
   } else {