diff --git a/include/llvm/MC/MCParser/MCAsmLexer.h b/include/llvm/MC/MCParser/MCAsmLexer.h
index bec6ede4ae2..043c3633086 100644
--- a/include/llvm/MC/MCParser/MCAsmLexer.h
+++ b/include/llvm/MC/MCParser/MCAsmLexer.h
@@ -33,6 +33,9 @@ public:
     // Integer values.
     Integer,
     
+    // Register values (stored in IntVal).  Only used by TargetAsmLexer.
+    Register,
+    
     // No-value.
     EndOfStatement,
     Colon,
@@ -96,6 +99,13 @@ public:
     assert(Kind == Integer && "This token isn't an integer!");
     return IntVal; 
   }
+  
+  /// getRegVal - Get the register number for the current token, which should
+  /// be a register.
+  unsigned getRegVal() const {
+    assert(Kind == Register && "This token isn't a register!");
+    return static_cast<unsigned>(IntVal);
+  }
 };
 
 /// MCAsmLexer - Generic assembler lexer interface, for use by target specific