Refactor the code to grab the low and high parts of a value

[oota-llvm.git] / lib / CodeGen / SelectionDAG / LegalizeTypes.h

diff --git a/lib/CodeGen/SelectionDAG/LegalizeTypes.h b/lib/CodeGen/SelectionDAG/LegalizeTypes.h
index 8c68aef57b89fe45b8a1a12f566aecfdbb269587..24fb44cc3290582dd757d48bcc8f285d8807d6bf 100644 (file)
--- a/lib/CodeGen/SelectionDAG/LegalizeTypes.h
+++ b/lib/CodeGen/SelectionDAG/LegalizeTypes.h
@@ -695,6 +695,10 @@ private:
   /// which is split (or expanded) into two not necessarily identical pieces.
   void GetSplitDestVTs(MVT InVT, MVT &LoVT, MVT &HiVT);
 
+  /// GetPairElements - Use ISD::EXTRACT_ELEMENT nodes to extract the low and
+  /// high parts of the given value.
+  void GetPairElements(SDValue Pair, SDValue &Lo, SDValue &Hi);
+
   // Generic Result Splitting.
   void SplitRes_MERGE_VALUES(SDNode *N, SDValue &Lo, SDValue &Hi);
   void SplitRes_SELECT      (SDNode *N, SDValue &Lo, SDValue &Hi);