10297     APInt UsedBits(Inst->getValueSizeInBits(0), 0);  in getUsedBits()  local
10298     UsedBits.setAllBits();  in getUsedBits()
10299     UsedBits = UsedBits.zext(BitWidth);  in getUsedBits()
10300     UsedBits <<= Shift;  in getUsedBits()
10301     return UsedBits;  in getUsedBits()
10481 static bool areUsedBitsDense(const APInt &UsedBits) {  in areUsedBitsDense()  argument
10483   if (UsedBits.isAllOnesValue())  in areUsedBitsDense()
10487   APInt NarrowedUsedBits = UsedBits.lshr(UsedBits.countTrailingZeros());  in areUsedBitsDense()
10502   APInt UsedBits = First.getUsedBits();  in areSlicesNextToEachOther()  local
10503   assert((UsedBits & Second.getUsedBits()) == 0 &&  in areSlicesNextToEachOther()
10505   UsedBits |= Second.getUsedBits();  in areSlicesNextToEachOther()
10506   return areUsedBitsDense(UsedBits);  in areSlicesNextToEachOther()
10582                                 const APInt &UsedBits, bool ForCodeSize) {  in isSlicingProfitable()  argument
10592   if (!areUsedBitsDense(UsedBits))  in isSlicingProfitable()
10632   APInt UsedBits(LD->getValueSizeInBits(0), 0);  in SliceUpLoad()  local
10673     if ((CurrentUsedBits & UsedBits) != 0)  in SliceUpLoad()
10676     UsedBits |= CurrentUsedBits;  in SliceUpLoad()
10687   if (!isSlicingProfitable(LoadedSlices, UsedBits, ForCodeSize))  in SliceUpLoad()