rename a couple of methods, add structure for pattern parsing


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23364 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/utils/TableGen/DAGISelEmitter.h b/utils/TableGen/DAGISelEmitter.h
index d1381e6..280cab3 100644
--- a/utils/TableGen/DAGISelEmitter.h
+++ b/utils/TableGen/DAGISelEmitter.h
@@ -333,8 +333,9 @@
 private:
   void ParseNodeInfo();
   void ParseNodeTransforms(std::ostream &OS);
-  void ParseAndResolvePatternFragments(std::ostream &OS);
-  void ParseAndResolveInstructions();
+  void ParsePatternFragments(std::ostream &OS);
+  void ParseInstructions();
+  void ParsePatterns();
   void FindPatternInputsAndOutputs(TreePattern *I, TreePatternNode *Pat,
                                    std::map<std::string,
                                             TreePatternNode*> &InstInputs,