301     uint64_t ShiftAmount = N->getConstantOperandVal(1);  in LowerShifts()  local
302     if (ShiftAmount == 16) {  in LowerShifts()
318     SDValue Cnt = DAG.getTargetConstant(ShiftAmount, dl, MVT::i8);  in LowerShifts()
369   uint64_t ShiftAmount = N->getConstantOperandVal(1);  in LowerShifts()  local
378     ShiftAmount = ShiftAmount % VT.getSizeInBits();  in LowerShifts()
382     ShiftAmount = ShiftAmount % VT.getSizeInBits();  in LowerShifts()
396     if (Op.getOpcode() == ISD::SHL && 4 <= ShiftAmount && ShiftAmount < 7) {  in LowerShifts()
401       ShiftAmount -= 4;  in LowerShifts()
402     } else if (Op.getOpcode() == ISD::SRL && 4 <= ShiftAmount &&  in LowerShifts()
403                ShiftAmount < 7) {  in LowerShifts()
408       ShiftAmount -= 4;  in LowerShifts()
409     } else if (Op.getOpcode() == ISD::SHL && ShiftAmount == 7) {  in LowerShifts()
413       ShiftAmount = 0;  in LowerShifts()
414     } else if (Op.getOpcode() == ISD::SRL && ShiftAmount == 7) {  in LowerShifts()
418       ShiftAmount = 0;  in LowerShifts()
419     } else if (Op.getOpcode() == ISD::SRA && ShiftAmount == 6) {  in LowerShifts()
423       ShiftAmount = 0;  in LowerShifts()
424     } else if (Op.getOpcode() == ISD::SRA && ShiftAmount == 7) {  in LowerShifts()
428       ShiftAmount = 0;  in LowerShifts()
429     } else if (Op.getOpcode() == ISD::ROTL && ShiftAmount == 3) {  in LowerShifts()
434       ShiftAmount = 0;  in LowerShifts()
435     } else if (Op.getOpcode() == ISD::ROTR && ShiftAmount == 3) {  in LowerShifts()
440       ShiftAmount = 0;  in LowerShifts()
441     } else if (Op.getOpcode() == ISD::ROTL && ShiftAmount == 7) {  in LowerShifts()
445       ShiftAmount = 0;  in LowerShifts()
446     } else if (Op.getOpcode() == ISD::ROTR && ShiftAmount == 7) {  in LowerShifts()
450       ShiftAmount = 0;  in LowerShifts()
452                ShiftAmount >= 4) {  in LowerShifts()
455       ShiftAmount -= 4;  in LowerShifts()
460       switch (ShiftAmount) {  in LowerShifts()
464         ShiftAmount = 0;  in LowerShifts()
469         ShiftAmount = 0;  in LowerShifts()
474         ShiftAmount = 0;  in LowerShifts()
479     if (4 <= ShiftAmount && ShiftAmount < 8)  in LowerShifts()
484         ShiftAmount -= 4;  in LowerShifts()
489         ShiftAmount -= 4;  in LowerShifts()
494     else if (8 <= ShiftAmount && ShiftAmount < 12)  in LowerShifts()
499         ShiftAmount -= 8;  in LowerShifts()
506         ShiftAmount -= 8;  in LowerShifts()
513         ShiftAmount -= 8;  in LowerShifts()
520     else if (12 <= ShiftAmount)  in LowerShifts()
525         ShiftAmount -= 12;  in LowerShifts()
532         ShiftAmount -= 12;  in LowerShifts()
539         ShiftAmount -= 8;  in LowerShifts()
548   while (ShiftAmount--) {  in LowerShifts()