1381     assert(isa<CallBase>(U->getUser()) &&  in verify()
1383     assert(cast<CallBase>(U->getUser())->isArgOperand(U) &&  in verify()
1386     assert(cast<CallBase>(U->getUser())->getArgOperandNo(U) ==  in verify()
1560   Instruction *UserI = dyn_cast<Instruction>(U.getUser());  in isAssumedDead()
1799     if (isa<PHINode>(U->getUser()) && !Visited.insert(U).second)  in checkForAllUses()
1802       if (auto *Fn = dyn_cast<Function>(U->getUser()))  in checkForAllUses()
1806         dbgs() << "[Attributor] Check use: " << **U << " in " << *U->getUser()  in checkForAllUses()
1816     if (IgnoreDroppableUses && U->getUser()->isDroppable()) {  in checkForAllUses()
1822     if (auto *SI = dyn_cast<StoreInst>(U->getUser())) {  in checkForAllUses()
1849     User &Usr = *U->getUser();  in checkForAllUses()
1915                << *U.getUser() << "\n";  in checkForAllCallSites()
1917         dbgs() << "[Attributor] Check use: " << *U << " in " << *U.getUser()  in checkForAllCallSites()
1927     if (ConstantExpr *CE = dyn_cast<ConstantExpr>(U.getUser())) {  in checkForAllCallSites()
1943                         << *U.getUser() << "\n");  in checkForAllCallSites()
1945       if (isa<BlockAddress>(U.getUser()))  in checkForAllCallSites()
1954         LLVM_DEBUG(dbgs() << "[Attributor] User " << *EffectiveUse->getUser()  in checkForAllCallSites()
1959       LLVM_DEBUG(dbgs() << "[Attributor] User " << *EffectiveUse->getUser()  in checkForAllCallSites()
2440     Instruction *I = dyn_cast<Instruction>(U->getUser());  in cleanupIR()
2457     LLVM_DEBUG(dbgs() << "Use " << *NewV << " in " << *U->getUser()  in cleanupIR()
2467     if (isa<UndefValue>(NewV) && isa<CallBase>(U->getUser())) {  in cleanupIR()
2468       auto *CB = cast<CallBase>(U->getUser());  in cleanupIR()
2477     if (isa<Constant>(NewV) && isa<BranchInst>(U->getUser())) {  in cleanupIR()
2478       Instruction *UserI = cast<Instruction>(U->getUser());  in cleanupIR()
2499       if (Done || !U.getUser()->isDroppable())  in cleanupIR()
2502       if (auto *I = dyn_cast<Instruction>(U->getUser()))  in cleanupIR()
2848       if (auto *CB = dyn_cast<CallBase>(U.getUser()))  in internalizeFunctions()
3359       if (const auto *CB = dyn_cast<CallBase>(U.getUser()))  in identifyDefaultAbstractAttributes()
3872           if (CallBase *CB = dyn_cast<CallBase>(U.getUser())) {  in runAttributorOnFunctions()
3891             const auto *CB = dyn_cast<CallBase>(U.getUser());  in runAttributorOnFunctions()
3953             const auto *CB = dyn_cast<CallBase>(U.getUser());  in runAttributorLightOnFunctions()