diff --git a/lib/CodeGen/SelectionDAG/DAGCombiner.cpp b/lib/CodeGen/SelectionDAG/DAGCombiner.cpp index 2521609f5b6..e414fdfa7ab 100644 --- a/lib/CodeGen/SelectionDAG/DAGCombiner.cpp +++ b/lib/CodeGen/SelectionDAG/DAGCombiner.cpp @@ -2044,10 +2044,10 @@ SDNode *DAGCombiner::MatchRotate(SDValue LHS, SDValue RHS) { if (ConstantSDNode *SUBC = dyn_cast(LHSShiftAmt.getOperand(0))) { if (SUBC->getAPIntValue() == OpSizeInBits) { - if (HasROTL) - return DAG.getNode(ISD::ROTL, VT, LHSShiftArg, LHSShiftAmt).getNode(); - else + if (HasROTR) return DAG.getNode(ISD::ROTR, VT, LHSShiftArg, RHSShiftAmt).getNode(); + else + return DAG.getNode(ISD::ROTL, VT, LHSShiftArg, LHSShiftAmt).getNode(); } } }