17024     APInt UsedBits(Inst->getValueSizeInBits(0), 0);  in getUsedBits()  local
17025     UsedBits.setAllBits();  in getUsedBits()
17026     UsedBits = UsedBits.zext(BitWidth);  in getUsedBits()
17027     UsedBits <<= Shift;  in getUsedBits()
17028     return UsedBits;  in getUsedBits()
17212 static bool areUsedBitsDense(const APInt &UsedBits) {  in areUsedBitsDense()  argument
17214   if (UsedBits.isAllOnes())  in areUsedBitsDense()
17218   APInt NarrowedUsedBits = UsedBits.lshr(UsedBits.countTrailingZeros());  in areUsedBitsDense()
17233   APInt UsedBits = First.getUsedBits();  in areSlicesNextToEachOther()  local
17234   assert((UsedBits & Second.getUsedBits()) == 0 &&  in areSlicesNextToEachOther()
17236   UsedBits |= Second.getUsedBits();  in areSlicesNextToEachOther()
17237   return areUsedBitsDense(UsedBits);  in areSlicesNextToEachOther()
17311                                 const APInt &UsedBits, bool ForCodeSize) {  in isSlicingProfitable()  argument
17321   if (!areUsedBitsDense(UsedBits))  in isSlicingProfitable()
17367   APInt UsedBits(LD->getValueSizeInBits(0), 0);  in SliceUpLoad()  local
17408     if ((CurrentUsedBits & UsedBits) != 0)  in SliceUpLoad()
17411     UsedBits |= CurrentUsedBits;  in SliceUpLoad()
17422   if (!isSlicingProfitable(LoadedSlices, UsedBits, ForCodeSize))  in SliceUpLoad()