891                                                  ZExtInst &Zext) {  in transformZExtICmp()  argument
911       if (In->getType() != Zext.getType())  in transformZExtICmp()
912         In = Builder.CreateIntCast(In, Zext.getType(), false /*ZExt*/);  in transformZExtICmp()
914       return replaceInstUsesWith(Zext, In);  in transformZExtICmp()
925       KnownBits Known = computeKnownBits(Cmp->getOperand(0), 0, &Zext);  in transformZExtICmp()
929                            (Zext.getType()->getScalarSizeInBits() != ShAmt + 1);  in transformZExtICmp()
931           (Cmp->getOperand(0)->getType() == Zext.getType() ||  in transformZExtICmp()
945         if (Zext.getType() == In->getType())  in transformZExtICmp()
946           return replaceInstUsesWith(Zext, In);  in transformZExtICmp()
948         Value *IntCast = Builder.CreateIntCast(In, Zext.getType(), false);  in transformZExtICmp()
949         return replaceInstUsesWith(Zext, IntCast);  in transformZExtICmp()
954   if (Cmp->isEquality() && Zext.getType() == Cmp->getOperand(0)->getType()) {  in transformZExtICmp()
966       return replaceInstUsesWith(Zext, And1);  in transformZExtICmp()
1104 Instruction *InstCombinerImpl::visitZExt(ZExtInst &Zext) {  in visitZExt()  argument
1107   if (Zext.hasOneUse() && isa<TruncInst>(Zext.user_back()) &&  in visitZExt()
1108       !isa<Constant>(Zext.getOperand(0)))  in visitZExt()
1112   if (Instruction *Result = commonCastTransforms(Zext))  in visitZExt()
1115   Value *Src = Zext.getOperand(0);  in visitZExt()
1116   Type *SrcTy = Src->getType(), *DestTy = Zext.getType();  in visitZExt()
1121       canEvaluateZExtd(Src, DestTy, BitsToClear, *this, &Zext)) {  in visitZExt()
1129                << Zext << '\n');  in visitZExt()
1136         replaceAllDbgUsesWith(*SrcOp, *Res, Zext, DT);  in visitZExt()
1146                              0, &Zext))  in visitZExt()
1147       return replaceInstUsesWith(Zext, Res);  in visitZExt()
1193     return transformZExtICmp(Cmp, Zext);  in visitZExt()
1223     if (Zext.getFunction() &&  in visitZExt()
1224         Zext.getFunction()->hasFnAttribute(Attribute::VScaleRange)) {  in visitZExt()
1226           Zext.getFunction()->getFnAttribute(Attribute::VScaleRange);  in visitZExt()
1231           return replaceInstUsesWith(Zext, VScale);  in visitZExt()
1237   if (!Zext.hasNonNeg()) {  in visitZExt()
1239     if (Zext.hasOneUse() &&  in visitZExt()
1242         match(Zext.user_back(), m_Shift(m_Value(), m_Specific(&Zext)))) {  in visitZExt()
1243       Zext.setNonNeg();  in visitZExt()
1244       return &Zext;  in visitZExt()
1247     if (isKnownNonNegative(Src, SQ.getWithInstruction(&Zext))) {  in visitZExt()
1248       Zext.setNonNeg();  in visitZExt()
1249       return &Zext;  in visitZExt()