X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=include%2Fllvm%2FADT%2FFoldingSet.h;h=375d84abebdd717ace316286faace6b15d665cb7;hb=b61054ff8f5568489109a0ccf2799307c3671309;hp=ba415ac2d61ff0b7d6fac624fb4ea3ce43634e6f;hpb=a83a6d3725a9a488e2d10c1f2af46d9c6d82958d;p=oota-llvm.git

diff --git a/include/llvm/ADT/FoldingSet.h b/include/llvm/ADT/FoldingSet.h
index ba415ac2d61..375d84abebd 100644
--- a/include/llvm/ADT/FoldingSet.h
+++ b/include/llvm/ADT/FoldingSet.h
@@ -278,6 +278,10 @@ public:
 
   bool operator==(FoldingSetNodeIDRef) const;
 
+  /// Used to compare the "ordering" of two nodes as defined by the
+  /// profiled bits and their ordering defined by memcmp().
+  bool operator<(FoldingSetNodeIDRef) const;
+
   const unsigned *getData() const { return Data; }
   size_t getSize() const { return Size; }
 };
@@ -327,6 +331,11 @@ public:
   bool operator==(const FoldingSetNodeID &RHS) const;
   bool operator==(const FoldingSetNodeIDRef RHS) const;
 
+  /// Used to compare the "ordering" of two nodes as defined by the
+  /// profiled bits and their ordering defined by memcmp().
+  bool operator<(const FoldingSetNodeID &RHS) const;
+  bool operator<(const FoldingSetNodeIDRef RHS) const;
+
   /// Intern - Copy this node's data to a memory region allocated from the
   /// given allocator and return a FoldingSetNodeIDRef describing the
   /// interned data.