3235   SDValue N0 = N->getOperand(0), N1 = N->getOperand(1);  in performORCombine()  local
3255   if (N0.getOpcode() == ISD::AND &&  in performORCombine()
3256       (CN0 = dyn_cast<ConstantSDNode>(N0.getOperand(1))) &&  in performORCombine()
3266     return DAG.getNode(LoongArchISD::BSTRINS, DL, ValTy, N0.getOperand(0),  in performORCombine()
3277   if (N0.getOpcode() == ISD::AND &&  in performORCombine()
3278       (CN0 = dyn_cast<ConstantSDNode>(N0.getOperand(1))) &&  in performORCombine()
3288     return DAG.getNode(LoongArchISD::BSTRINS, DL, ValTy, N0.getOperand(0),  in performORCombine()
3300   if (N0.getOpcode() == ISD::AND && N1.getOpcode() == ISD::AND &&  in performORCombine()
3301       (CN0 = dyn_cast<ConstantSDNode>(N0.getOperand(1))) &&  in performORCombine()
3307     return DAG.getNode(LoongArchISD::BSTRINS, DL, ValTy, N0.getOperand(0),  in performORCombine()
3323   if (N0.getOpcode() == ISD::AND && N1.getOpcode() == ISD::SHL &&  in performORCombine()
3324       (CN0 = dyn_cast<ConstantSDNode>(N0.getOperand(1))) &&  in performORCombine()
3330     return DAG.getNode(LoongArchISD::BSTRINS, DL, ValTy, N0.getOperand(0),  in performORCombine()
3342   if (N0.getOpcode() == ISD::AND &&  in performORCombine()
3343       (CN0 = dyn_cast<ConstantSDNode>(N0.getOperand(1))) &&  in performORCombine()
3349         LoongArchISD::BSTRINS, DL, ValTy, N0.getOperand(0),  in performORCombine()
3375     if (ShMask.isSubsetOf(DAG.computeKnownBits(N0).Zero)) {  in performORCombine()
3377       return DAG.getNode(LoongArchISD::BSTRINS, DL, ValTy, N0,  in performORCombine()
3399     if (ShMask.isSubsetOf(DAG.computeKnownBits(N0).Zero)) {  in performORCombine()
3401       return DAG.getNode(LoongArchISD::BSTRINS, DL, ValTy, N0,  in performORCombine()
3410     std::swap(N0, N1);  in performORCombine()
3430     if (ShMask.isSubsetOf(DAG.computeKnownBits(N0).Zero)) {  in performORCombine()
3432       return DAG.getNode(LoongArchISD::BSTRINS, DL, ValTy, N0,  in performORCombine()
3442     std::swap(N0, N1);  in performORCombine()