168   void fromString(unsigned numBits, StringRef str, uint8_t radix);
180   void initSlowCase(unsigned numBits, uint64_t val, bool isSigned);
229   APInt(unsigned numBits, uint64_t val, bool isSigned = false)
230     : BitWidth(numBits), VAL(0) {  in BitWidth()  argument
235       initSlowCase(numBits, val, isSigned);  in BitWidth()
244   APInt(unsigned numBits, ArrayRef<uint64_t> bigVal);
252   APInt(unsigned numBits, unsigned numWords, const uint64_t bigVal[]);
264   APInt(unsigned numBits, StringRef str, uint8_t radix);
397   static APInt getMaxValue(unsigned numBits) {  in getMaxValue()  argument
398     return getAllOnesValue(numBits);  in getMaxValue()
402   static APInt getSignedMaxValue(unsigned numBits) {  in getSignedMaxValue()  argument
403     APInt API = getAllOnesValue(numBits);  in getSignedMaxValue()
404     API.clearBit(numBits - 1);  in getSignedMaxValue()
409   static APInt getMinValue(unsigned numBits) {  in getMinValue()  argument
410     return APInt(numBits, 0);  in getMinValue()
414   static APInt getSignedMinValue(unsigned numBits) {  in getSignedMinValue()  argument
415     APInt API(numBits, 0);  in getSignedMinValue()
416     API.setBit(numBits - 1);  in getSignedMinValue()
429   static APInt getAllOnesValue(unsigned numBits) {  in getAllOnesValue()  argument
430     return APInt(numBits, UINT64_MAX, true);  in getAllOnesValue()
435   static APInt getNullValue(unsigned numBits) {  in getNullValue()  argument
436     return APInt(numBits, 0);  in getNullValue()
442   APInt getHiBits(unsigned numBits) const;
447   APInt getLoBits(unsigned numBits) const;
450   static APInt getOneBitSet(unsigned numBits, unsigned BitNo) {  in getOneBitSet()  argument
451     APInt Res(numBits, 0);  in getOneBitSet()
466   static APInt getBitsSet(unsigned numBits, unsigned loBit, unsigned hiBit) {  in getBitsSet()  argument
467     assert(hiBit <= numBits && "hiBit out of range");  in getBitsSet()
468     assert(loBit < numBits && "loBit out of range");  in getBitsSet()
470       return getLowBitsSet(numBits, hiBit) |  in getBitsSet()
471              getHighBitsSet(numBits, numBits-loBit);  in getBitsSet()
472     return getLowBitsSet(numBits, hiBit-loBit).shl(loBit);  in getBitsSet()
479   static APInt getHighBitsSet(unsigned numBits, unsigned hiBitsSet) {  in getHighBitsSet()  argument
480     assert(hiBitsSet <= numBits && "Too many bits to set!");  in getHighBitsSet()
483       return APInt(numBits, 0);  in getHighBitsSet()
484     unsigned shiftAmt = numBits - hiBitsSet;  in getHighBitsSet()
486     if (numBits <= APINT_BITS_PER_WORD)  in getHighBitsSet()
487       return APInt(numBits, ~0ULL << shiftAmt);  in getHighBitsSet()
488     return getAllOnesValue(numBits).shl(shiftAmt);  in getHighBitsSet()
495   static APInt getLowBitsSet(unsigned numBits, unsigned loBitsSet) {  in getLowBitsSet()  argument
496     assert(loBitsSet <= numBits && "Too many bits to set!");  in getLowBitsSet()
499       return APInt(numBits, 0);  in getLowBitsSet()
501       return APInt(numBits, UINT64_MAX);  in getLowBitsSet()
504       return APInt(numBits, UINT64_MAX >> (APINT_BITS_PER_WORD - loBitsSet));  in getLowBitsSet()
505     return getAllOnesValue(numBits).lshr(numBits - loBitsSet);  in getLowBitsSet()
1615 inline bool isMask(unsigned numBits, const APInt& APIVal) {  in isMask()  argument
1616   return numBits <= APIVal.getBitWidth() &&  in isMask()
1617     APIVal == APInt::getLowBitsSet(APIVal.getBitWidth(), numBits);  in isMask()
1622 inline bool isShiftedMask(unsigned numBits, const APInt& APIVal) {  in isShiftedMask()  argument
1623   return isMask(numBits, (APIVal - APInt(numBits,1)) | APIVal);  in isShiftedMask()