745     assert(isa<CallBase>(U->getUser()) &&  in verify()
747     assert(cast<CallBase>(U->getUser())->isArgOperand(U) &&  in verify()
750     assert(cast<CallBase>(U->getUser())->getArgOperandNo(U) ==  in verify()
872   Instruction *UserI = dyn_cast<Instruction>(U.getUser());  in isAssumedDead()
1029     if (isa<PHINode>(U->getUser()) && !Visited.insert(U).second)  in checkForAllUses()
1032                       << *U->getUser() << "\n");  in checkForAllUses()
1039     if (U->getUser()->isDroppable()) {  in checkForAllUses()
1044     if (auto *SI = dyn_cast<StoreInst>(U->getUser())) {  in checkForAllUses()
1066     for (const Use &UU : U->getUser()->uses())  in checkForAllUses()
1114                       << *U.getUser() << "\n");  in checkForAllCallSites()
1121     if (ConstantExpr *CE = dyn_cast<ConstantExpr>(U.getUser())) {  in checkForAllCallSites()
1134                         << *U.getUser() << "\n");  in checkForAllCallSites()
1136       if (isa<BlockAddress>(U.getUser()))  in checkForAllCallSites()
1146       LLVM_DEBUG(dbgs() << "[Attributor] User " << EffectiveUse->getUser()  in checkForAllCallSites()
1607     if (auto *RI = dyn_cast<ReturnInst>(U->getUser())) {  in cleanupIR()
1620     if (auto *CB = dyn_cast<CallBase>(U->getUser()))  in cleanupIR()
1624     LLVM_DEBUG(dbgs() << "Use " << *NewV << " in " << *U->getUser()  in cleanupIR()
1634     if (isa<UndefValue>(NewV) && isa<CallBase>(U->getUser())) {  in cleanupIR()
1635       auto *CB = cast<CallBase>(U->getUser());  in cleanupIR()
1644     if (isa<Constant>(NewV) && isa<BranchInst>(U->getUser())) {  in cleanupIR()
1645       Instruction *UserI = cast<Instruction>(U->getUser());  in cleanupIR()
1667       if (Entry.second || !U.getUser()->isDroppable())  in cleanupIR()
2002       if (auto *CB = dyn_cast<CallBase>(U.getUser()))  in internalizeFunctions()
2444       if (const auto *CB = dyn_cast<CallBase>(U.getUser()))  in identifyDefaultAbstractAttributes()
2825           if (CallBase *CB = dyn_cast<CallBase>(U.getUser())) {  in runAttributorOnFunctions()
2844             const auto *CB = dyn_cast<CallBase>(U.getUser());  in runAttributorOnFunctions()