Lines Matching defs:Zext

959                                                  ZExtInst &Zext) {
979       if (In->getType() != Zext.getType())
980         In = Builder.CreateIntCast(In, Zext.getType(), false /*ZExt*/);
982       return replaceInstUsesWith(Zext, In);
993       KnownBits Known = computeKnownBits(Cmp->getOperand(0), 0, &Zext);
997                            (Zext.getType()->getScalarSizeInBits() != ShAmt + 1);
999           (Cmp->getOperand(0)->getType() == Zext.getType() ||
1013         if (Zext.getType() == In->getType())
1014           return replaceInstUsesWith(Zext, In);
1016         Value *IntCast = Builder.CreateIntCast(In, Zext.getType(), false);
1017         return replaceInstUsesWith(Zext, IntCast);
1032       if (Zext.getType() == And->getType() ||
1040             Zext, Builder.CreateZExtOrTrunc(And1, Zext.getType()));
1179 Instruction *InstCombinerImpl::visitZExt(ZExtInst &Zext) {
1182   if (Zext.hasOneUse() && isa<TruncInst>(Zext.user_back()) &&
1183       !isa<Constant>(Zext.getOperand(0)))
1187   if (Instruction *Result = commonCastTransforms(Zext))
1190   Value *Src = Zext.getOperand(0);
1191   Type *SrcTy = Src->getType(), *DestTy = Zext.getType();
1194   if (SrcTy->isIntOrIntVectorTy(1) && Zext.hasNonNeg())
1195     return replaceInstUsesWith(Zext, Constant::getNullValue(Zext.getType()));
1200       canEvaluateZExtd(Src, DestTy, BitsToClear, *this, &Zext)) {
1208                << Zext << '\n');
1215         replaceAllDbgUsesWith(*SrcOp, *Res, Zext, DT);
1225                              0, &Zext))
1226       return replaceInstUsesWith(Zext, Res);
1272     return transformZExtICmp(Cmp, Zext);
1302     if (Zext.getFunction() &&
1303         Zext.getFunction()->hasFnAttribute(Attribute::VScaleRange)) {
1305           Zext.getFunction()->getFnAttribute(Attribute::VScaleRange);
1310           return replaceInstUsesWith(Zext, VScale);
1316   if (!Zext.hasNonNeg()) {
1318     if (Zext.hasOneUse() &&
1321         match(Zext.user_back(), m_Shift(m_Value(), m_Specific(&Zext)))) {
1322       Zext.setNonNeg();
1323       return &Zext;
1326     if (isKnownNonNegative(Src, SQ.getWithInstruction(&Zext))) {
1327       Zext.setNonNeg();
1328       return &Zext;