267   bool simplifyBranch(BranchInst *Branch, IRBuilder<> &Builder);
268   bool simplifyUncondBranch(BranchInst *BI, IRBuilder<> &Builder);
269   bool simplifyCondBranch(BranchInst *BI, IRBuilder<> &Builder);
278   bool SpeculativelyExecuteBB(BranchInst *BI, BasicBlock *ThenBB);
282   bool SimplifyBranchOnICmpChain(BranchInst *BI, IRBuilder<> &Builder,
441   BranchInst *BI = dyn_cast<BranchInst>(PBB->getTerminator());  in dominatesMergePoint()
761   } else if (BranchInst *BI = dyn_cast<BranchInst>(TI)) {  in EraseTerminatorAndDCECond()
782   } else if (BranchInst *BI = dyn_cast<BranchInst>(TI))  in isValueEqualityComparison()
812   BranchInst *BI = cast<BranchInst>(TI);  in GetValueEqualityComparisonCases()
879   assert(isa<BranchInst>(I) || isa<SelectInst>(I));  in setBranchWeights()
928     if (isa<BranchInst>(TI)) {  in SimplifyEqualityComparisonWithOnlyPredecessor()
1077   if (BranchInst *BI = dyn_cast<BranchInst>(TI)) {  in GetBranchWeights()
1359         BranchInst::Create(InfLoopBlock, InfLoopBlock);  in PerformValueComparisonIntoPredecessorFolding()
1782   auto *BI = dyn_cast<BranchInst>(TI);  in hoistSuccIdenticalTerminatorToSwitchOrIf()
2282     auto *PredBr = dyn_cast<BranchInst>(PredBB->getTerminator());  in SinkCommonCodeFromPredecessors()
2734     BranchInst::Create(MergedInvoke->getParent(), II->getParent());  in MergeCompatibleInvokesImpl()
3000 bool SimplifyCFGOpt::SpeculativelyExecuteBB(BranchInst *BI,  in SpeculativelyExecuteBB()
3292   auto *BI = dyn_cast<BranchInst>(From->getTerminator());  in getKnownValueOnEdge()
3305 FoldCondBranchOnValueKnownInPredecessorImpl(BranchInst *BI, DomTreeUpdater *DTU,  in FoldCondBranchOnValueKnownInPredecessorImpl()
3438     BranchInst *EdgeBI = cast<BranchInst>(EdgeBB->getTerminator());  in FoldCondBranchOnValueKnownInPredecessorImpl()
3462 static bool FoldCondBranchOnValueKnownInPredecessor(BranchInst *BI,  in FoldCondBranchOnValueKnownInPredecessor()
3490   BranchInst *DomBI = GetIfCondition(BB, IfTrue, IfFalse);  in FoldTwoEntryPHINode()
3502         return cast<BranchInst>(IfBlock->getTerminator())->isUnconditional();  in FoldTwoEntryPHINode()
3692 static bool extractPredSuccWeights(BranchInst *PBI, BranchInst *BI,  in extractPredSuccWeights()
3716 shouldFoldCondBranchesToCommonDestination(BranchInst *BI, BranchInst *PBI,  in shouldFoldCondBranchesToCommonDestination()
3755 static bool performBranchToCommonDestFolding(BranchInst *BI, BranchInst *PBI,  in performBranchToCommonDestFolding()
3878 bool llvm::FoldBranchToCommonDest(BranchInst *BI, DomTreeUpdater *DTU,  in FoldBranchToCommonDest()
3907     BranchInst *PBI = dyn_cast<BranchInst>(PredBlock->getTerminator());  in FoldBranchToCommonDest()
3960     if (isa<DbgInfoIntrinsic>(I) || isa<BranchInst>(I))  in FoldBranchToCommonDest()
3997     auto *PBI = cast<BranchInst>(PredBlock->getTerminator());  in FoldBranchToCommonDest()
4177   Value *PCond = cast<BranchInst>(PFB->getSinglePredecessor()->getTerminator())  in mergeConditionalStoreToAddress()
4179   Value *QCond = cast<BranchInst>(QFB->getSinglePredecessor()->getTerminator())  in mergeConditionalStoreToAddress()
4220 static bool mergeConditionalStores(BranchInst *PBI, BranchInst *QBI,  in mergeConditionalStores()
4332 static bool tryWidenCondBranchToCondBranch(BranchInst *PBI, BranchInst *BI,  in tryWidenCondBranchToCondBranch()
4389 static bool SimplifyCondBranchToCondBranch(BranchInst *PBI, BranchInst *BI,  in SimplifyCondBranchToCondBranch()
4504     BranchInst::Create(InfLoopBlock, InfLoopBlock);  in SimplifyCondBranchToCondBranch()
4659       BranchInst *NewBI = Builder.CreateCondBr(Cond, TrueBB, FalseBB);  in SimplifyTerminatorOnSelect()
4878 bool SimplifyCFGOpt::SimplifyBranchOnICmpChain(BranchInst *BI,  in SimplifyBranchOnICmpChain()
5276   BranchInst::Create(UnwindDest, RI->getParent());  in mergeCleanupPad()
5350     if (auto *BI = dyn_cast<BranchInst>(TI)) {  in simplifyUnreachable()
5591   BranchInst *NewBI = Builder.CreateCondBr(Cmp, ContiguousDest, OtherDest);  in TurnSwitchRangeIntoICmp()
5757   BranchInst *Branch = dyn_cast<BranchInst>(BB->getTerminator());  in FindPHIForConditionForwarding()
6579     User *PhiUser, BasicBlock *PhiBlock, BranchInst *RangeCheckBranch,  in reuseTableCompare()
6804   BranchInst *RangeCheckBranch = nullptr;  in SwitchToLookupTable()
7206     BranchInst::Create(IBI->getDestination(0), IBI->getIterator());  in simplifyIndirectBr()
7239 static bool TryToMergeLandingPad(LandingPadInst *LPad, BranchInst *BI,  in TryToMergeLandingPad()
7257     BranchInst *BI2 = dyn_cast<BranchInst>(I);  in TryToMergeLandingPad()
7300 bool SimplifyCFGOpt::simplifyBranch(BranchInst *Branch, IRBuilder<> &Builder) {  in simplifyBranch()
7305 bool SimplifyCFGOpt::simplifyUncondBranch(BranchInst *BI,  in simplifyUncondBranch()
7388 static bool mergeNestedCondBranch(BranchInst *BI, DomTreeUpdater *DTU) {  in mergeNestedCondBranch()
7392   auto IsSimpleSuccessor = [BB](BasicBlock *Succ, BranchInst *&SuccBI) {  in mergeNestedCondBranch()
7397     SuccBI = dyn_cast<BranchInst>(Succ->getTerminator());  in mergeNestedCondBranch()
7405   BranchInst *BB1BI, *BB2BI;  in mergeNestedCondBranch()
7457 bool SimplifyCFGOpt::simplifyCondBranch(BranchInst *BI, IRBuilder<> &Builder) {  in simplifyCondBranch()
7551     if (BranchInst *PBI = dyn_cast<BranchInst>(Pred->getTerminator()))  in simplifyCondBranch()
7559       if (BranchInst *PBI = dyn_cast<BranchInst>(PrevBB->getTerminator()))  in simplifyCondBranch()
7717         if (BranchInst *BI = dyn_cast<BranchInst>(T)) {  in removeUndefIntroducingPredecessor()
7831     Changed |= simplifyBranch(cast<BranchInst>(Terminator), Builder);  in simplifyOnce()