415   ConstantSDNode *CN;  in performANDCombine()
420   if (!(CN = dyn_cast<ConstantSDNode>(SecondOperand)) ||  in performANDCombine()
431     if (!(CN = dyn_cast<ConstantSDNode>(FirstOperand.getOperand(1))))  in performANDCombine()
478   ConstantSDNode *CN;  in performSRLCombine()
488       !(CN = dyn_cast<ConstantSDNode>(FirstOperand.getOperand(1))) ||  in performSRLCombine()
493   if (!(CN = dyn_cast<ConstantSDNode>(N->getOperand(1))))  in performSRLCombine()
512   ConstantSDNode *CN0, *CN1;  in performORCombine()
532       (CN0 = dyn_cast<ConstantSDNode>(N0.getOperand(1))) &&  in performORCombine()
535       (CN1 = dyn_cast<ConstantSDNode>(N1.getOperand(1))) &&  in performORCombine()
538       (CN1 = dyn_cast<ConstantSDNode>(N1.getOperand(0).getOperand(1))) &&  in performORCombine()
554       (CN0 = dyn_cast<ConstantSDNode>(N0.getOperand(1))) &&  in performORCombine()
557       (CN1 = dyn_cast<ConstantSDNode>(N1.getOperand(1))) &&  in performORCombine()
559       (CN1 = dyn_cast<ConstantSDNode>(N1.getOperand(0).getOperand(1))) &&  in performORCombine()
577       (CN0 = dyn_cast<ConstantSDNode>(N0.getOperand(1))) &&  in performORCombine()
580       (CN1 = dyn_cast<ConstantSDNode>(N1->getOperand(1))) &&  in performORCombine()
600       (CN0 = dyn_cast<ConstantSDNode>(N0.getOperand(1))) &&  in performORCombine()
602       MaskIdx0 == 0 && (CN1 = dyn_cast<ConstantSDNode>(N1.getOperand(1))) &&  in performORCombine()
619       (CN0 = dyn_cast<ConstantSDNode>(N0.getOperand(1))) &&  in performORCombine()
621       (CN1 = dyn_cast<ConstantSDNode>(N1)) &&  in performORCombine()
640   ConstantSDNode *CNMask, *CNShamt;  in performORCombine()
643       (CNMask = dyn_cast<ConstantSDNode>(N1.getOperand(0).getOperand(1))) &&  in performORCombine()
645       MaskIdx == 0 && (CNShamt = dyn_cast<ConstantSDNode>(N1.getOperand(1))) &&  in performORCombine()
667       (CNMask = dyn_cast<ConstantSDNode>(N1.getOperand(1))) &&  in performORCombine()
670       (CNShamt = dyn_cast<ConstantSDNode>(N1.getOperand(0).getOperand(1))) &&  in performORCombine()
701       (CNMask = dyn_cast<ConstantSDNode>(N1.getOperand(1))) &&  in performORCombine()