diff options
| -rw-r--r-- | lib/CodeGen/SelectionDAG/DAGCombiner.cpp | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/lib/CodeGen/SelectionDAG/DAGCombiner.cpp b/lib/CodeGen/SelectionDAG/DAGCombiner.cpp index b8439a6..4b7c494 100644 --- a/lib/CodeGen/SelectionDAG/DAGCombiner.cpp +++ b/lib/CodeGen/SelectionDAG/DAGCombiner.cpp @@ -3755,7 +3755,10 @@ SDOperand DAGCombiner::SimplifySelectCC(SDOperand N0, SDOperand N1, // cast from setcc result type to select result type if (AfterLegalize) { SCC = DAG.getSetCC(TLI.getSetCCResultTy(), N0, N1, CC); - Temp = DAG.getZeroExtendInReg(SCC, N2.getValueType()); + if (N2.getValueType() < SCC.getValueType()) + Temp = DAG.getZeroExtendInReg(SCC, N2.getValueType()); + else + Temp = DAG.getNode(ISD::ZERO_EXTEND, N2.getValueType(), SCC); } else { SCC = DAG.getSetCC(MVT::i1, N0, N1, CC); Temp = DAG.getNode(ISD::ZERO_EXTEND, N2.getValueType(), SCC); |