add some accessors

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23287 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/utils/TableGen/DAGISelEmitter.h b/utils/TableGen/DAGISelEmitter.h
index 20d24fb97524f1b56c4ffa5e6fe21860e624c630..65c7e70dbd609b895831920f097551e53d3e5d29 100644 (file)
--- a/utils/TableGen/DAGISelEmitter.h
+++ b/utils/TableGen/DAGISelEmitter.h
@@ -233,6 +233,8 @@ namespace llvm {
     /// getTrees - Return the tree patterns which corresponds to this pattern.
     ///
     const std::vector<TreePatternNode*> &getTrees() const { return Trees; }
+    unsigned getNumTrees() const { return Trees.size(); }
+    TreePatternNode *getTree(unsigned i) const { return Trees[i]; }
         
     /// getRecord - Return the actual TableGen record corresponding to this
     /// pattern.