85   if (C.isZero())  in isSignTest()
133       !cast<ConstantInt>(GEP->getOperand(1))->isZero() ||  in foldCmpLoadFromIndexedGlobal()
238     bool IsTrueForElt = !cast<ConstantInt>(C)->isZero();  in foldCmpLoadFromIndexedGlobal()
578       if (isa<ConstantInt>(Op) && cast<ConstantInt>(Op)->isZero())  in rewriteGEPAsOffset()
974   if (AP2.isZero())  in foldICmpShrConstConst()
1033   if (AP2.isZero())  in foldICmpShlConstConst()
1259       if (!XKnown.One.isZero() || isKnownNonZero(X, Q))  in foldICmpWithZero()
1264       if (!YKnown.One.isZero() || isKnownNonZero(Y, Q))  in foldICmpWithZero()
1442     if (C.isZero()) {  in foldICmpTruncConstant()
1727   if (Shift->hasOneUse() && C1.isZero() && Cmp.isEquality() &&  in foldICmpAndShift()
1751   if (isICMP_NE && Cmp.getType()->isVectorTy() && C1.isZero() &&  in foldICmpAndConstConst()
1764   if (Cmp.isEquality() && C1.isZero()) {  in foldICmpAndConstConst()
1819   if (!Cmp.isSigned() && C1.isZero() && And->getOperand(0)->hasOneUse() &&  in foldICmpAndConstConst()
1935   if (C.isZero() && (Pred == CmpInst::ICMP_EQ || And->hasOneUse())) {  in foldICmpAndConstant()
1942         !TC->isZero() && !FC->isZero() && !TC->intersects(*FC)) {  in foldICmpAndConstant()
1955       X->getType()->isIntOrIntVectorTy(1) && (C.isZero() || C.isOne())) {  in foldICmpAndConstant()
1957     if (C.isZero() ^ (Pred == CmpInst::ICMP_NE)) {  in foldICmpAndConstant()
1968   if (C.isZero() &&  in foldICmpAndConstant()
2117   if (!Cmp.isEquality() || !C.isZero() || !Or->hasOneUse())  in foldICmpOrConstant()
2149   if (Cmp.isEquality() && C.isZero() && X == Mul->getOperand(1) &&  in foldICmpMulConstant()
2167   if (MulC->isZero())  in foldICmpMulConstant()
2174     if (Mul->hasNoSignedWrap() && C.srem(*MulC).isZero()) {  in foldICmpMulConstant()
2183     if (C.urem(*MulC).isZero()) {  in foldICmpMulConstant()
2292   if (ICmpInst::isEquality(Pred) && C.isZero() &&  in foldICmpShlConstant()
2304     if (C.isZero() || (Pred == ICmpInst::ICMP_SGT ? C.isAllOnes() : C.isOne()))  in foldICmpShlConstant()
2462   if (Cmp.isEquality() && Shr->isExact() && C.isZero())  in foldICmpShrConstant()
2487       assert((IsUGT || !C.isZero()) && "Expected X u< 0 to simplify");  in foldICmpShrConstant()
2597   if (C.isZero()) {  in foldICmpShrConstant()
2643        !C.isZero()) ||  in foldICmpSRemConstant()
2753   if (C2->isZero() || C2->isOne() || (DivIsSigned && C2->isAllOnes()))  in foldICmpDivConstant()
2791     if (C.isZero()) {                    // (X / pos) op 0  in foldICmpDivConstant()
2812     if (C.isZero()) { // (X / neg) op 0  in foldICmpDivConstant()
2917   if (Cmp.isEquality() && C.isZero() &&  in foldICmpSubConstant()
2935     if (Pred == ICmpInst::ICMP_SGT && C.isZero())  in foldICmpSubConstant()
2939     if (Pred == ICmpInst::ICMP_SLT && C.isZero())  in foldICmpSubConstant()
3373   if (Cmp.isEquality() && C->isZero() && Bitcast->hasOneUse() &&  in foldICmpBitCast()
3443     if (C->isZero() && Cmp.isEquality() && Cmp0->hasOneUse() &&  in foldICmpInstWithConstant()
3476     if (C.isZero() && BO->hasOneUse()) {  in foldICmpBinOpEqualityWithConstant()
3492     } else if (C.isZero()) {  in foldICmpBinOpEqualityWithConstant()
3517     } else if (C.isZero()) {  in foldICmpBinOpEqualityWithConstant()
3542       if (C.isZero())  in foldICmpBinOpEqualityWithConstant()
3557     if (BO->getOpcode() == Instruction::UDiv && C.isZero()) {  in foldICmpBinOpEqualityWithConstant()
3618     if (C.isZero() || C.isMinSignedValue())  in foldICmpEqIntrinsicWithConstant()
3659     bool IsZero = C.isZero();  in foldICmpEqIntrinsicWithConstant()
3686     if (C.isZero() && II->hasOneUse()) {  in foldICmpEqIntrinsicWithConstant()
3695     if (C.isZero())  in foldICmpEqIntrinsicWithConstant()
3700     if (C.isZero()) {  in foldICmpEqIntrinsicWithConstant()
3783         if (C.isZero() || C.isAllOnes())  in foldICmpInstWithConstantAllowPoison()
3944     if (C.isZero())  in foldICmpOfCmpIntrinsicWithConstant()
3957     else if (C.isZero())  in foldICmpOfCmpIntrinsicWithConstant()
3962     if (C.isZero())  in foldICmpOfCmpIntrinsicWithConstant()
4071       if (C.isZero())  in foldICmpIntrinsicWithConstant()
4164     else if (CI && !CI->isZero())  in foldSelectICmp()
5213         NonZero = !ZKnown.One.isZero() || isKnownNonZero(Z, Q);  in foldICmpBinOp()
5291       if (match(BO0->getOperand(1), m_APInt(C)) && !C->isZero() &&  in foldICmpBinOp()
6581     if (Op1Known.isZero()) {  in foldICmpUsingKnownBits()
6730     if (C->isZero()) {  in foldICmpUsingBoolRange()
7282   auto CheckNE0 = [](const APInt &Shift) { return !Shift.isZero(); };  in foldICmpCommutative()
7767   if (!RHS->isZero()) {  in foldFCmpIntToFPConst()
7875   if (C->isZero())  in foldFCmpReciprocalAndZero()
8312           (Fabs.isZero() || !(Fabs < APFloat::getSmallestNormalized(FPSem)))) {  in visitFCmpInst()
8325       match(Op1, m_AnyZeroFP()) && !C->isZero() && !C->isNaN()) {  in visitFCmpInst()