84   if (C.isZero())  in isSignTest()
132       !cast<ConstantInt>(GEP->getOperand(1))->isZero() ||  in foldCmpLoadFromIndexedGlobal()
234     bool IsTrueForElt = !cast<ConstantInt>(C)->isZero();  in foldCmpLoadFromIndexedGlobal()
573       if (isa<ConstantInt>(Op) && cast<ConstantInt>(Op)->isZero())  in rewriteGEPAsOffset()
973   if (AP2.isZero())  in foldICmpShrConstConst()
1032   if (AP2.isZero())  in foldICmpShlConstConst()
1258       if (!XKnown.One.isZero() || isKnownNonZero(X, DL, 0, Q.AC, Q.CxtI, Q.DT))  in foldICmpWithZero()
1263       if (!YKnown.One.isZero() || isKnownNonZero(Y, DL, 0, Q.AC, Q.CxtI, Q.DT))  in foldICmpWithZero()
1431     if (C.isZero()) {  in foldICmpTruncConstant()
1710   if (Shift->hasOneUse() && C1.isZero() && Cmp.isEquality() &&  in foldICmpAndShift()
1734   if (isICMP_NE && Cmp.getType()->isVectorTy() && C1.isZero() &&  in foldICmpAndConstConst()
1747   if (Cmp.isEquality() && C1.isZero()) {  in foldICmpAndConstConst()
1802   if (!Cmp.isSigned() && C1.isZero() && And->getOperand(0)->hasOneUse() &&  in foldICmpAndConstConst()
1896   if (C.isZero() && (Pred == CmpInst::ICMP_EQ || And->hasOneUse())) {  in foldICmpAndConstant()
1903         !TC->isZero() && !FC->isZero() && !TC->intersects(*FC)) {  in foldICmpAndConstant()
1916       X->getType()->isIntOrIntVectorTy(1) && (C.isZero() || C.isOne())) {  in foldICmpAndConstant()
1918     if (C.isZero() ^ (Pred == CmpInst::ICMP_NE)) {  in foldICmpAndConstant()
2057   if (!Cmp.isEquality() || !C.isZero() || !Or->hasOneUse())  in foldICmpOrConstant()
2089   if (Cmp.isEquality() && C.isZero() && X == Mul->getOperand(1) &&  in foldICmpMulConstant()
2107   if (MulC->isZero())  in foldICmpMulConstant()
2114     if (Mul->hasNoSignedWrap() && C.srem(*MulC).isZero()) {  in foldICmpMulConstant()
2123     if (C.urem(*MulC).isZero()) {  in foldICmpMulConstant()
2232   if (ICmpInst::isEquality(Pred) && C.isZero() &&  in foldICmpShlConstant()
2244     if (C.isZero() || (Pred == ICmpInst::ICMP_SGT ? C.isAllOnes() : C.isOne()))  in foldICmpShlConstant()
2381   if (Cmp.isEquality() && Shr->isExact() && C.isZero())  in foldICmpShrConstant()
2406       assert((IsUGT || !C.isZero()) && "Expected X u< 0 to simplify");  in foldICmpShrConstant()
2506   if (C.isZero()) {  in foldICmpShrConstant()
2552        !C.isZero()) ||  in foldICmpSRemConstant()
2662   if (C2->isZero() || C2->isOne() || (DivIsSigned && C2->isAllOnes()))  in foldICmpDivConstant()
2700     if (C.isZero()) {                    // (X / pos) op 0  in foldICmpDivConstant()
2721     if (C.isZero()) { // (X / neg) op 0  in foldICmpDivConstant()
2826   if (Cmp.isEquality() && C.isZero() &&  in foldICmpSubConstant()
2844     if (Pred == ICmpInst::ICMP_SGT && C.isZero())  in foldICmpSubConstant()
2848     if (Pred == ICmpInst::ICMP_SLT && C.isZero())  in foldICmpSubConstant()
3264   if (Cmp.isEquality() && C->isZero() && Bitcast->hasOneUse() &&  in foldICmpBitCast()
3334     if (C->isZero() && Cmp.isEquality() && Cmp0->hasOneUse() &&  in foldICmpInstWithConstant()
3367     if (C.isZero() && BO->hasOneUse()) {  in foldICmpBinOpEqualityWithConstant()
3383     } else if (C.isZero()) {  in foldICmpBinOpEqualityWithConstant()
3404       } else if (C.isZero()) {  in foldICmpBinOpEqualityWithConstant()
3430       if (C.isZero())  in foldICmpBinOpEqualityWithConstant()
3445     if (BO->getOpcode() == Instruction::UDiv && C.isZero()) {  in foldICmpBinOpEqualityWithConstant()
3506     if (C.isZero() || C.isMinSignedValue())  in foldICmpEqIntrinsicWithConstant()
3547     bool IsZero = C.isZero();  in foldICmpEqIntrinsicWithConstant()
3574     if (C.isZero() && II->hasOneUse()) {  in foldICmpEqIntrinsicWithConstant()
3583     if (C.isZero())  in foldICmpEqIntrinsicWithConstant()
3588     if (C.isZero()) {  in foldICmpEqIntrinsicWithConstant()
3671         if (C.isZero() || C.isAllOnes())  in foldICmpInstWithConstantAllowUndef()
3908       if (C.isZero())  in foldICmpIntrinsicWithConstant()
4001     else if (CI && !CI->isZero())  in foldSelectICmp()
4881         NonZero = !ZKnown.One.isZero() ||  in foldICmpBinOp()
4960       if (match(BO0->getOperand(1), m_APInt(C)) && !C->isZero() &&  in foldICmpBinOp()
6252     if (Op1Known.isZero()) {  in foldICmpUsingKnownBits()
6401     if (C->isZero()) {  in foldICmpUsingBoolRange()
7398   if (!RHS.isZero()) {  in foldFCmpIntToFPConst()
7505   if (C->isZero())  in foldFCmpReciprocalAndZero()
7820           (Fabs.isZero() || !(Fabs < APFloat::getSmallestNormalized(FPSem)))) {  in visitFCmpInst()
7834       match(Op1, m_AnyZeroFP()) && !C->isZero() && !C->isNaN()) {  in visitFCmpInst()