49 isSafeToSpeculatePHIUsers(PHINode &PN, DominatorTree &DT,  in isSafeToSpeculatePHIUsers()  argument
52   auto *PhiBB = PN.getParent();  in isSafeToSpeculatePHIUsers()
57   for (Use &U : PN.uses()) {  in isSafeToSpeculatePHIUsers()
203     PHINode &PN, SmallDenseMap<PHINode *, int, 16> &CostSavingsMap,  in isSafeAndProfitableToSpeculateAroundPHI()  argument
218   for (int i : llvm::seq<int>(0, PN.getNumIncomingValues())) {  in isSafeAndProfitableToSpeculateAroundPHI()
219     auto *IncomingC = dyn_cast<ConstantInt>(PN.getIncomingValue(i));  in isSafeAndProfitableToSpeculateAroundPHI()
224     if (!IncomingConstantBlocks.insert(PN.getIncomingBlock(i)).second)  in isSafeAndProfitableToSpeculateAroundPHI()
240     LLVM_DEBUG(dbgs() << "    Free: " << PN << "\n");  in isSafeAndProfitableToSpeculateAroundPHI()
247   if (!isSafeToSpeculatePHIUsers(PN, DT, PotentialSpecSet, UnsafeSet)) {  in isSafeAndProfitableToSpeculateAroundPHI()
248     LLVM_DEBUG(dbgs() << "    Unsafe PHI: " << PN << "\n");  in isSafeAndProfitableToSpeculateAroundPHI()
254   for (Use &U : PN.uses()) {  in isSafeAndProfitableToSpeculateAroundPHI()
329                     << ": " << PN << "\n");  in isSafeAndProfitableToSpeculateAroundPHI()
330   CostSavingsMap[&PN] = TotalMatCost - TotalFoldedCost;  in isSafeAndProfitableToSpeculateAroundPHI()
351   for (auto *PN : PNs)  in visitPHIUsersAndDepsInPostOrder()  local
352     for (Use &U : PN->uses()) {  in visitPHIUsersAndDepsInPostOrder()
437   for (auto *PN : PNs) {  in findProfitablePHIs()  local
439     for (Use &U : PN->uses())  in findProfitablePHIs()
441     PNUserCountMap[PN] = UserSet.size();  in findProfitablePHIs()
443       UserToPNMap.insert({UI, {}}).first->second.push_back(PN);  in findProfitablePHIs()
496         for (auto *PN : llvm::make_range(UserPNsSplitIt, UserPNs.end())) {  in findProfitablePHIs()  local
498           for (Use &U : PN->uses())  in findProfitablePHIs()
505           int CostSavings = CostSavingsMap.find(PN)->second;  in findProfitablePHIs()
507             LLVM_DEBUG(dbgs() << "  Not profitable, speculation cost: " << *PN  in findProfitablePHIs()
519           SpecPNs.push_back(PN);  in findProfitablePHIs()
520           for (Use &U : PN->uses()) {  in findProfitablePHIs()
760                             [&](PHINode *PN) {  in tryToSpeculatePHIs()  argument
762                                   *PN, CostSavingsMap, PotentialSpecSet,  in tryToSpeculatePHIs()
817     while (auto *PN = dyn_cast<PHINode>(&*BBI)) {  in run()  local
818       PNs.push_back(PN);  in run()