diff --git a/lib/IR/AsmWriter.cpp b/lib/IR/AsmWriter.cpp
index c6839b05a1d..7decffd0eff 100644
--- a/lib/IR/AsmWriter.cpp
+++ b/lib/IR/AsmWriter.cpp
@@ -74,6 +74,8 @@ static void PrintCallingConv(unsigned cc, raw_ostream &Out) {
   default:                         Out << "cc" << cc; break;
   case CallingConv::Fast:          Out << "fastcc"; break;
   case CallingConv::Cold:          Out << "coldcc"; break;
+  case CallingConv::WebKit_JS:     Out << "webkit_jscc"; break;
+  case CallingConv::AnyReg:        Out << "anyregcc"; break;
   case CallingConv::X86_StdCall:   Out << "x86_stdcallcc"; break;
   case CallingConv::X86_FastCall:  Out << "x86_fastcallcc"; break;
   case CallingConv::X86_ThisCall:  Out << "x86_thiscallcc"; break;