enhance EmitNodeMatcher to keep track of the recorded slot numbers
it will populate.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97363 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/utils/TableGen/DAGISelMatcher.cpp b/utils/TableGen/DAGISelMatcher.cpp
index d6f4f78..d939edb 100644
--- a/utils/TableGen/DAGISelMatcher.cpp
+++ b/utils/TableGen/DAGISelMatcher.cpp
@@ -172,7 +172,7 @@
 
 void EmitNodeMatcherCommon::printImpl(raw_ostream &OS, unsigned indent) const {
   OS.indent(indent);
-  OS << (isSelectNodeTo() ? "SelectNodeTo: " : "EmitNode: ")
+  OS << (isa<SelectNodeToMatcher>(this) ? "SelectNodeTo: " : "EmitNode: ")
      << OpcodeName << ": <todo flags> ";
 
   for (unsigned i = 0, e = VTs.size(); i != e; ++i)