diff --git a/llvm/lib/CodeGen/SelectionDAG/TargetLowering.cpp b/llvm/lib/CodeGen/SelectionDAG/TargetLowering.cpp
index 3da06f9974980b4589318a972b38164176075bbb..ff27b123180d1f3df11e1d9ecf4187f356bfd41e 100644
--- a/llvm/lib/CodeGen/SelectionDAG/TargetLowering.cpp
+++ b/llvm/lib/CodeGen/SelectionDAG/TargetLowering.cpp
@@ -581,7 +581,7 @@ bool TargetLowering::SimplifyDemandedBits(SDOperand Op, uint64_t DemandedMask,
           }          
           
           SDOperand NewSA = 
-            TLO.DAG.getConstant(ShAmt-C1, Op.getOperand(0).getValueType());
+            TLO.DAG.getConstant(ShAmt-C1, Op.getOperand(1).getValueType());
           MVT::ValueType VT = Op.getValueType();
           return TLO.CombineTo(Op, TLO.DAG.getNode(ISD::SRL, VT,
                                                    InOp.getOperand(0), NewSA));
@@ -619,7 +619,7 @@ bool TargetLowering::SimplifyDemandedBits(SDOperand Op, uint64_t DemandedMask,
           }          
           
           SDOperand NewSA =
-            TLO.DAG.getConstant(Diff, Op.getOperand(0).getValueType());
+            TLO.DAG.getConstant(Diff, Op.getOperand(1).getValueType());
           return TLO.CombineTo(Op, TLO.DAG.getNode(Opc, VT,
                                                    InOp.getOperand(0), NewSA));
         }