From: Dan Gohman <gohman@apple.com>
Date: Fri, 22 Aug 2008 16:14:23 +0000 (+0000)
Subject: Add an empty() member to FoldingSet.
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=55beb6ded8804a82e9e59017e596ae141ba381fe;p=oota-llvm.git

Add an empty() member to FoldingSet.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55182 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/include/llvm/ADT/FoldingSet.h b/include/llvm/ADT/FoldingSet.h
index f34a62d4f4c..287127243e7 100644
--- a/include/llvm/ADT/FoldingSet.h
+++ b/include/llvm/ADT/FoldingSet.h
@@ -164,6 +164,9 @@ public:
   
   /// size - Returns the number of nodes in the folding set.
   unsigned size() const { return NumNodes; }
+
+  /// empty - Returns true if there are no nodes in the folding set.
+  bool empty() const { return NumNodes == 0; }
   
 private: