511   SDValue N0 = N->getOperand(0), N1 = N->getOperand(1);  in performORCombine()  local
531   if (N0.getOpcode() == ISD::AND &&  in performORCombine()
532       (CN0 = dyn_cast<ConstantSDNode>(N0.getOperand(1))) &&  in performORCombine()
542     return DAG.getNode(LoongArchISD::BSTRINS, DL, ValTy, N0.getOperand(0),  in performORCombine()
553   if (N0.getOpcode() == ISD::AND &&  in performORCombine()
554       (CN0 = dyn_cast<ConstantSDNode>(N0.getOperand(1))) &&  in performORCombine()
564     return DAG.getNode(LoongArchISD::BSTRINS, DL, ValTy, N0.getOperand(0),  in performORCombine()
576   if (N0.getOpcode() == ISD::AND && N1.getOpcode() == ISD::AND &&  in performORCombine()
577       (CN0 = dyn_cast<ConstantSDNode>(N0.getOperand(1))) &&  in performORCombine()
583     return DAG.getNode(LoongArchISD::BSTRINS, DL, ValTy, N0.getOperand(0),  in performORCombine()
599   if (N0.getOpcode() == ISD::AND && N1.getOpcode() == ISD::SHL &&  in performORCombine()
600       (CN0 = dyn_cast<ConstantSDNode>(N0.getOperand(1))) &&  in performORCombine()
606     return DAG.getNode(LoongArchISD::BSTRINS, DL, ValTy, N0.getOperand(0),  in performORCombine()
618   if (N0.getOpcode() == ISD::AND &&  in performORCombine()
619       (CN0 = dyn_cast<ConstantSDNode>(N0.getOperand(1))) &&  in performORCombine()
625         LoongArchISD::BSTRINS, DL, ValTy, N0.getOperand(0),  in performORCombine()
649     if (ShMask.isSubsetOf(DAG.computeKnownBits(N0).Zero)) {  in performORCombine()
651       return DAG.getNode(LoongArchISD::BSTRINS, DL, ValTy, N0,  in performORCombine()
673     if (ShMask.isSubsetOf(DAG.computeKnownBits(N0).Zero)) {  in performORCombine()
675       return DAG.getNode(LoongArchISD::BSTRINS, DL, ValTy, N0,  in performORCombine()
684     std::swap(N0, N1);  in performORCombine()
704     if (ShMask.isSubsetOf(DAG.computeKnownBits(N0).Zero)) {  in performORCombine()
706       return DAG.getNode(LoongArchISD::BSTRINS, DL, ValTy, N0,  in performORCombine()
716     std::swap(N0, N1);  in performORCombine()