140   if (auto *ZExt = dyn_cast<ZExtInst>(V))  in isSupportedType()  local
141     return isSupportedType(ZExt->getOperand(0));  in isSupportedType()
167   else if (auto *ZExt = dyn_cast<ZExtInst>(V))  in isSource()  local
169     return isa<LoadInst>(ZExt->getOperand(0)) &&  in isSource()
170                          ZExt->getOperand(0)->hasOneUse();  in isSource()
172     return Call->hasRetAttr(Attribute::AttrKind::ZExt);  in isSource()
236   if (auto *ZExt = dyn_cast<ZExtInst>(I))  in shouldPromote()  local
237     return !ZExt->getDestTy()->isIntegerTy(32);  in shouldPromote()
343     auto *ZExt = cast<Instruction>(Builder.CreateZExt(V, ExtTy));  in Mutate()  local
345       ZExt->moveBefore(InsertPt);  in Mutate()
347       ZExt->moveAfter(InsertPt);  in Mutate()
348     ReplaceAllUsersOfWith(V, ZExt);  in Mutate()
349     NewInsts.insert(ZExt);  in Mutate()
356     if (auto *ZExt = dyn_cast<ZExtInst>(V))  in Mutate()  local
357       ZExt->mutateType(ExtTy);  in Mutate()
404     if (auto *ZExt = dyn_cast<ZExtInst>(V)) {  in Mutate()  local
405       if (ZExt->getDestTy() != ExtTy) {  in Mutate()
406         ZExt->mutateType(ExtTy);  in Mutate()
407         Promoted.insert(ZExt);  in Mutate()
409       else if (ZExt->getSrcTy() == ExtTy) {  in Mutate()
410         ReplaceAllUsersOfWith(V, ZExt->getOperand(0));  in Mutate()
411         InstsToRemove.push_back(ZExt);  in Mutate()
515     return Call->hasRetAttr(Attribute::AttrKind::ZExt);  in isSupportedValue()
547   } else if (auto *ZExt = dyn_cast<ZExtInst>(V)) {  in isLegalToPromote()  local
548     VSize = ZExt->getOperand(0)->getType()->getPrimitiveSizeInBits();  in isLegalToPromote()