CodeGen/SelectionDAG/DAGCombiner.cpp

1404   ConstantSDNode *N0C = dyn_cast<ConstantSDNode>(N0);
1426   if (N0C && N1C)
1427     return DAG.FoldConstantArithmetic(ISD::ADD, VT, N0C, N1C);
1429   if (N0C && !N1C)
1443     if (ConstantSDNode *N0C = dyn_cast<ConstantSDNode>(N0.getOperand(0)))
1446                                          N0C->getAPIntValue(), VT),
1574   ConstantSDNode *N0C = dyn_cast<ConstantSDNode>(N0);
1585   if (N0C && !N1C)
1616   ConstantSDNode *N0C = dyn_cast<ConstantSDNode>(N0);
1620   if (N0C && !N1C)
1646   ConstantSDNode *N0C = dyn_cast<ConstantSDNode>(N0.getNode());
1667   if (N0C && N1C)
1668     return DAG.FoldConstantArithmetic(ISD::SUB, VT, N0C, N1C);
1674   if (N0C && N0C->isAllOnesValue())
1686   if (N1.getOpcode() == ISD::ADD && N0C && N1C1) {
1687     SDValue NewC = DAG.getConstant(N0C->getAPIntValue() - N1C1->getAPIntValue(),
1739   ConstantSDNode *N0C = dyn_cast<ConstantSDNode>(N0);
1761   if (N0C && N0C->isAllOnesValue())
1920   ConstantSDNode *N0C = dyn_cast<ConstantSDNode>(N0.getNode());
1931   if (N0C && N1C && !N1C->isNullValue())
1932     return DAG.FoldConstantArithmetic(ISD::SDIV, VT, N0C, N1C);
2004   ConstantSDNode *N0C = dyn_cast<ConstantSDNode>(N0.getNode());
2015   if (N0C && N1C && !N1C->isNullValue())
2016     return DAG.FoldConstantArithmetic(ISD::UDIV, VT, N0C, N1C);
2056   ConstantSDNode *N0C = dyn_cast<ConstantSDNode>(N0);
2061   if (N0C && N1C && !N1C->isNullValue())
2062     return DAG.FoldConstantArithmetic(ISD::SREM, VT, N0C, N1C);
2098   ConstantSDNode *N0C = dyn_cast<ConstantSDNode>(N0);
2103   if (N0C && N1C && !N1C->isNullValue())
2104     return DAG.FoldConstantArithmetic(ISD::UREM, VT, N0C, N1C);
2496   ConstantSDNode *N0C = dyn_cast<ConstantSDNode>(N0);
2523   if (N0C && N1C)
2524     return DAG.FoldConstantArithmetic(ISD::AND, VT, N0C, N1C);
2526   if (N0C && !N1C)
3134   ConstantSDNode *N0C = dyn_cast<ConstantSDNode>(N0);
3163   if (N0C && N1C)
3164     return DAG.FoldConstantArithmetic(ISD::OR, VT, N0C, N1C);
3166   if (N0C && !N1C)
3428   ConstantSDNode *N0C = dyn_cast<ConstantSDNode>(N0);
3453   if (N0C && N1C)
3454     return DAG.FoldConstantArithmetic(ISD::XOR, VT, N0C, N1C);
3456   if (N0C && !N1C)
3633   ConstantSDNode *N0C = dyn_cast<ConstantSDNode>(N0);
3645   if (N0C && N1C)
3646     return DAG.FoldConstantArithmetic(ISD::SHL, VT, N0C, N1C);
3648   if (N0C && N0C->isNullValue())
3790   ConstantSDNode *N0C = dyn_cast<ConstantSDNode>(N0);
3802   if (N0C && N1C)
3803     return DAG.FoldConstantArithmetic(ISD::SRA, VT, N0C, N1C);
3805   if (N0C && N0C->isNullValue())
3808   if (N0C && N0C->isAllOnesValue())
3941   ConstantSDNode *N0C = dyn_cast<ConstantSDNode>(N0);
3953   if (N0C && N1C)
3954     return DAG.FoldConstantArithmetic(ISD::SRL, VT, N0C, N1C);
3956   if (N0C && N0C->isNullValue())
4193   ConstantSDNode *N0C = dyn_cast<ConstantSDNode>(N0);
4203   if (N0C && !N0C->isNullValue())
4206   if (N0C && N0C->isNullValue())
6534   ConstantSDNode *N0C = dyn_cast<ConstantSDNode>(N0);
6539   if (N0C &&
6591   ConstantSDNode *N0C = dyn_cast<ConstantSDNode>(N0);
6596   if (N0C &&