88     const APInt &AOut, APInt &AB, KnownBits &Known, KnownBits &Known2,  in determineLiveOperandBits()  argument
90   unsigned BitWidth = AB.getBitWidth();  in determineLiveOperandBits()
124         AB = AOut.byteSwap();  in determineLiveOperandBits()
129         AB = AOut.reverseBits();  in determineLiveOperandBits()
137           AB = APInt::getHighBitsSet(BitWidth,  in determineLiveOperandBits()
147           AB = APInt::getLowBitsSet(BitWidth,  in determineLiveOperandBits()
158             AB = BitWidth - 1;  in determineLiveOperandBits()
167             AB = AOut.lshr(ShiftAmt);  in determineLiveOperandBits()
169             AB = AOut.shl(BitWidth - ShiftAmt);  in determineLiveOperandBits()
181     AB = APInt::getLowBitsSet(BitWidth, AOut.getActiveBits());  in determineLiveOperandBits()
188         AB = AOut.lshr(ShiftAmt);  in determineLiveOperandBits()
194           AB |= APInt::getHighBitsSet(BitWidth, ShiftAmt+1);  in determineLiveOperandBits()
196           AB |= APInt::getHighBitsSet(BitWidth, ShiftAmt);  in determineLiveOperandBits()
205         AB = AOut.shl(ShiftAmt);  in determineLiveOperandBits()
210           AB |= APInt::getLowBitsSet(BitWidth, ShiftAmt);  in determineLiveOperandBits()
219         AB = AOut.shl(ShiftAmt);  in determineLiveOperandBits()
225           AB.setSignBit();  in determineLiveOperandBits()
230           AB |= APInt::getLowBitsSet(BitWidth, ShiftAmt);  in determineLiveOperandBits()
235     AB = AOut;  in determineLiveOperandBits()
243       AB &= ~Known2.Zero;  in determineLiveOperandBits()
245       AB &= ~(Known.Zero & ~Known2.Zero);  in determineLiveOperandBits()
248     AB = AOut;  in determineLiveOperandBits()
256       AB &= ~Known2.One;  in determineLiveOperandBits()
258       AB &= ~(Known.One & ~Known2.One);  in determineLiveOperandBits()
262     AB = AOut;  in determineLiveOperandBits()
265     AB = AOut.zext(BitWidth);  in determineLiveOperandBits()
268     AB = AOut.trunc(BitWidth);  in determineLiveOperandBits()
271     AB = AOut.trunc(BitWidth);  in determineLiveOperandBits()
278       AB.setSignBit();  in determineLiveOperandBits()
282       AB = AOut;  in determineLiveOperandBits()
286       AB = AOut;  in determineLiveOperandBits()
291       AB = AOut;  in determineLiveOperandBits()
383         APInt AB = APInt::getAllOnesValue(BitWidth);  in performAnalysis()  local
388           AB = APInt(BitWidth, 0);  in performAnalysis()
392           determineLiveOperandBits(UserI, OI, OI.getOperandNo(), AOut, AB,  in performAnalysis()
396           if (AB.isNullValue())  in performAnalysis()
411           APInt ABNew = AB | ABPrev;  in performAnalysis()