implement the last known missing feature: updating uses of results 
of the matched pattern to use the newly created node results.  Onto
the "making it actually work" phase!

llvm-svn: 96724
diff --git a/llvm/utils/TableGen/DAGISelEmitter.cpp b/llvm/utils/TableGen/DAGISelEmitter.cpp
index 55a9d36..d0da114 100644
--- a/llvm/utils/TableGen/DAGISelEmitter.cpp
+++ b/llvm/utils/TableGen/DAGISelEmitter.cpp
@@ -1917,7 +1917,7 @@
   // definitions.  Emit the resultant instruction selector.
   EmitInstructionSelector(OS);  
   
-#if 0
+#if 1
   MatcherNode *Matcher = 0;
   // Walk the patterns backwards, building a matcher for each and adding it to
   // the matcher for the whole target.