Emit better code (no more copies for var references), and support DAG patterns
(e.g. things like rotates).


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23416 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/utils/TableGen/DAGISelEmitter.h b/utils/TableGen/DAGISelEmitter.h
index 7695f26..5cfab186 100644
--- a/utils/TableGen/DAGISelEmitter.h
+++ b/utils/TableGen/DAGISelEmitter.h
@@ -366,6 +366,7 @@
                                             TreePatternNode*> &InstInputs,
                                    std::map<std::string, Record*> &InstResults);
   void EmitMatchForPattern(TreePatternNode *N, const std::string &RootName,
+                           std::map<std::string,std::string> &VarMap,
                            unsigned PatternNo, std::ostream &OS);
   void EmitCodeForPattern(PatternToMatch &Pattern, std::ostream &OS);
   void EmitInstructionSelector(std::ostream &OS);