diff --git a/include/llvm/Intrinsics.h b/include/llvm/Intrinsics.h
index 14365426bf6..6a9ea809b14 100644
--- a/include/llvm/Intrinsics.h
+++ b/include/llvm/Intrinsics.h
@@ -57,6 +57,10 @@ namespace Intrinsic {
     // Standard libm functions...
     
 
+    // Input/Output intrinsics
+    readport,
+    writeport,
+
     //===------------------------------------------------------------------===//
     // This section defines intrinsic functions used to represent Alpha
     // instructions...