1 files changed, 5 insertions, 0 deletions
diff --git a/llvm/lib/MC/MCParser/MCAsmParser.cpp b/llvm/lib/MC/MCParser/MCAsmParser.cpp
index 41a1ee555d6fb..c2fa7be56ad2a 100644
--- a/llvm/lib/MC/MCParser/MCAsmParser.cpp
+++ b/llvm/lib/MC/MCParser/MCAsmParser.cpp
@@ -13,6 +13,7 @@
 #include "llvm/MC/MCParser/MCAsmLexer.h"
 #include "llvm/MC/MCParser/MCParsedAsmOperand.h"
 #include "llvm/MC/MCParser/MCTargetAsmParser.h"
+#include "llvm/Support/CommandLine.h"
 #include "llvm/Support/Debug.h"
 #include "llvm/Support/SMLoc.h"
 #include "llvm/Support/raw_ostream.h"
@@ -20,6 +21,10 @@
 
 using namespace llvm;
 
+cl::opt<unsigned> AsmMacroMaxNestingDepth(
+    "asm-macro-max-nesting-depth", cl::init(20), cl::Hidden,
+    cl::desc("The maximum nesting depth allowed for assembly macros."));
+
 MCAsmParser::MCAsmParser() {}
 
 MCAsmParser::~MCAsmParser() = default;