583 Instruction *InstCombiner::transformZExtICmp(ICmpInst *ICI, Instruction &CI,  in transformZExtICmp()  argument
588   if (ConstantInt *Op1C = dyn_cast<ConstantInt>(ICI->getOperand(1))) {  in transformZExtICmp()
593     if ((ICI->getPredicate() == ICmpInst::ICMP_SLT && Op1CV == 0) ||  in transformZExtICmp()
594         (ICI->getPredicate() == ICmpInst::ICMP_SGT && Op1CV.isAllOnesValue())) {  in transformZExtICmp()
595       if (!DoXform) return ICI;  in transformZExtICmp()
597       Value *In = ICI->getOperand(0);  in transformZExtICmp()
604       if (ICI->getPredicate() == ICmpInst::ICMP_SGT) {  in transformZExtICmp()
622         ICI->isEquality()) {  in transformZExtICmp()
626       computeKnownBits(ICI->getOperand(0), KnownZero, KnownOne, 0, &CI);  in transformZExtICmp()
630         if (!DoXform) return ICI;  in transformZExtICmp()
632         bool isNE = ICI->getPredicate() == ICmpInst::ICMP_NE;  in transformZExtICmp()
643         Value *In = ICI->getOperand(0);  in transformZExtICmp()
666   if (ICI->isEquality() && CI.getType() == ICI->getOperand(0)->getType()) {  in transformZExtICmp()
669       Value *LHS = ICI->getOperand(0);  in transformZExtICmp()
670       Value *RHS = ICI->getOperand(1);  in transformZExtICmp()
681           if (!DoXform) return ICI;  in transformZExtICmp()
694           if (ICI->getPredicate() == ICmpInst::ICMP_EQ)  in transformZExtICmp()
696           Result->takeName(ICI);  in transformZExtICmp()
920   if (ICmpInst *ICI = dyn_cast<ICmpInst>(Src))  in visitZExt()  local
921     return transformZExtICmp(ICI, CI);  in visitZExt()
967 Instruction *InstCombiner::transformSExtICmp(ICmpInst *ICI, Instruction &CI) {  in transformSExtICmp()  argument
968   Value *Op0 = ICI->getOperand(0), *Op1 = ICI->getOperand(1);  in transformSExtICmp()
969   ICmpInst::Predicate Pred = ICI->getPredicate();  in transformSExtICmp()
997     if (ICI->hasOneUse() &&  in transformSExtICmp()
998         ICI->isEquality() && (Op1C->isZero() || Op1C->getValue().isPowerOf2())){  in transformSExtICmp()
1005         Value *In = ICI->getOperand(0);  in transformSExtICmp()
1182   if (ICmpInst *ICI = dyn_cast<ICmpInst>(Src))  in visitSExt()  local
1183     return transformSExtICmp(ICI, CI);  in visitSExt()