Index: utils/TableGen/CodeGenDAGPatterns.cpp
===================================================================
--- utils/TableGen/CodeGenDAGPatterns.cpp
+++ utils/TableGen/CodeGenDAGPatterns.cpp
@@ -2572,10 +2572,12 @@
     return Res;
   }
 
-  if (IntInit *II = dyn_cast<IntInit>(TheInit)) {
+  if (isa<IntInit>(TheInit) || isa<BitInit>(TheInit)) {
     if (!OpName.empty())
-      error("Constant int argument should not have a name!");
-    return new TreePatternNode(II, 1);
+      error("Constant int or bit argument should not have a name!");
+    if (isa<BitInit>(TheInit))
+      TheInit = TheInit->convertInitializerTo(IntRecTy::get());
+    return new TreePatternNode(TheInit, 1);
   }
 
   if (BitsInit *BI = dyn_cast<BitsInit>(TheInit)) {