add a map for nullary ops

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23223 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/include/llvm/CodeGen/SelectionDAG.h b/include/llvm/CodeGen/SelectionDAG.h
index 71bc2672e1a26eed7b1a50513634761404836614..895204df571437b7cb3a5f32b342c1994b1c9518 100644 (file)
--- a/include/llvm/CodeGen/SelectionDAG.h
+++ b/include/llvm/CodeGen/SelectionDAG.h
@@ -356,6 +356,7 @@ private:
                              SDOperand N4, ISD::CondCode CC);
     
   // Maps to auto-CSE operations.
+  std::map<std::pair<unsigned, MVT::ValueType>, SDNode *> NullaryOps;
   std::map<std::pair<unsigned, std::pair<SDOperand, MVT::ValueType> >,
            SDNode *> UnaryOps;
   std::map<std::pair<unsigned, std::pair<SDOperand, SDOperand> >,