60   void determineLiveOperandBits(const Instruction *UserI,
84 void BDCE::determineLiveOperandBits(const Instruction *UserI,  in determineLiveOperandBits()  argument
103                          AC, UserI, DT);  in determineLiveOperandBits()
109                            0, AC, UserI, DT);  in determineLiveOperandBits()
113   switch (UserI->getOpcode()) {  in determineLiveOperandBits()
117     if (const IntrinsicInst *II = dyn_cast<IntrinsicInst>(UserI))  in determineLiveOperandBits()
157             dyn_cast<ConstantInt>(UserI->getOperand(1))) {  in determineLiveOperandBits()
163         const ShlOperator *S = cast<ShlOperator>(UserI);  in determineLiveOperandBits()
173             dyn_cast<ConstantInt>(UserI->getOperand(1))) {  in determineLiveOperandBits()
179         if (cast<LShrOperator>(UserI)->isExact())  in determineLiveOperandBits()
186             dyn_cast<ConstantInt>(UserI->getOperand(1))) {  in determineLiveOperandBits()
198         if (cast<AShrOperator>(UserI)->isExact())  in determineLiveOperandBits()
210       ComputeKnownBits(BitWidth, I, UserI->getOperand(1));  in determineLiveOperandBits()
213       if (!isa<Instruction>(UserI->getOperand(0)))  in determineLiveOperandBits()
214         ComputeKnownBits(BitWidth, UserI->getOperand(0), I);  in determineLiveOperandBits()
226       ComputeKnownBits(BitWidth, I, UserI->getOperand(1));  in determineLiveOperandBits()
229       if (!isa<Instruction>(UserI->getOperand(0)))  in determineLiveOperandBits()
230         ComputeKnownBits(BitWidth, UserI->getOperand(0), I);  in determineLiveOperandBits()
309     Instruction *UserI = Worklist.pop_back_val();  in runOnFunction()  local
311     DEBUG(dbgs() << "BDCE: Visiting: " << *UserI);  in runOnFunction()
313     if (UserI->getType()->isIntegerTy()) {  in runOnFunction()
314       AOut = AliveBits[UserI];  in runOnFunction()
319     if (!UserI->getType()->isIntegerTy())  in runOnFunction()
320       Visited.insert(UserI);  in runOnFunction()
326     for (Use &OI : UserI->operands()) {  in runOnFunction()
331           if (UserI->getType()->isIntegerTy() && !AOut &&  in runOnFunction()
332               !isAlwaysLive(UserI)) {  in runOnFunction()
338             determineLiveOperandBits(UserI, I, OI.getOperandNo(), AOut, AB,  in runOnFunction()