266   bool simplifyBranch(BranchInst *Branch, IRBuilder<> &Builder);
267   bool simplifyUncondBranch(BranchInst *BI, IRBuilder<> &Builder);
268   bool simplifyCondBranch(BranchInst *BI, IRBuilder<> &Builder);
277   bool SpeculativelyExecuteBB(BranchInst *BI, BasicBlock *ThenBB);
281   bool SimplifyBranchOnICmpChain(BranchInst *BI, IRBuilder<> &Builder,
440   BranchInst *BI = dyn_cast<BranchInst>(PBB->getTerminator());  in dominatesMergePoint()
760   } else if (BranchInst *BI = dyn_cast<BranchInst>(TI)) {  in EraseTerminatorAndDCECond()
781   } else if (BranchInst *BI = dyn_cast<BranchInst>(TI))  in isValueEqualityComparison()
811   BranchInst *BI = cast<BranchInst>(TI);  in GetValueEqualityComparisonCases()
876   assert(isa<BranchInst>(I) || isa<SelectInst>(I));  in setBranchWeights()
925     if (isa<BranchInst>(TI)) {  in SimplifyEqualityComparisonWithOnlyPredecessor()
1077   if (BranchInst *BI = dyn_cast<BranchInst>(TI)) {  in GetBranchWeights()
1359         BranchInst::Create(InfLoopBlock, InfLoopBlock);  in PerformValueComparisonIntoPredecessorFolding()
1711   auto *BI = dyn_cast<BranchInst>(TI);  in hoistSuccIdenticalTerminatorToSwitchOrIf()
2227     auto *PredBr = dyn_cast<BranchInst>(PredBB->getTerminator());  in SinkCommonCodeFromPredecessors()
2676     BranchInst::Create(MergedInvoke->getParent(), II->getParent());  in MergeCompatibleInvokesImpl()
2941 bool SimplifyCFGOpt::SpeculativelyExecuteBB(BranchInst *BI,  in SpeculativelyExecuteBB()
3230   auto *BI = dyn_cast<BranchInst>(From->getTerminator());  in getKnownValueOnEdge()
3243 FoldCondBranchOnValueKnownInPredecessorImpl(BranchInst *BI, DomTreeUpdater *DTU,  in FoldCondBranchOnValueKnownInPredecessorImpl()
3376     BranchInst *EdgeBI = cast<BranchInst>(EdgeBB->getTerminator());  in FoldCondBranchOnValueKnownInPredecessorImpl()
3400 static bool FoldCondBranchOnValueKnownInPredecessor(BranchInst *BI,  in FoldCondBranchOnValueKnownInPredecessor()
3427   BranchInst *DomBI = GetIfCondition(BB, IfTrue, IfFalse);  in FoldTwoEntryPHINode()
3439         return cast<BranchInst>(IfBlock->getTerminator())->isUnconditional();  in FoldTwoEntryPHINode()
3625 static bool extractPredSuccWeights(BranchInst *PBI, BranchInst *BI,  in extractPredSuccWeights()
3649 shouldFoldCondBranchesToCommonDestination(BranchInst *BI, BranchInst *PBI,  in shouldFoldCondBranchesToCommonDestination()
3688 static bool performBranchToCommonDestFolding(BranchInst *BI, BranchInst *PBI,  in performBranchToCommonDestFolding()
3810 bool llvm::FoldBranchToCommonDest(BranchInst *BI, DomTreeUpdater *DTU,  in FoldBranchToCommonDest()
3839     BranchInst *PBI = dyn_cast<BranchInst>(PredBlock->getTerminator());  in FoldBranchToCommonDest()
3892     if (isa<DbgInfoIntrinsic>(I) || isa<BranchInst>(I))  in FoldBranchToCommonDest()
3929     auto *PBI = cast<BranchInst>(PredBlock->getTerminator());  in FoldBranchToCommonDest()
4109   Value *PCond = cast<BranchInst>(PFB->getSinglePredecessor()->getTerminator())  in mergeConditionalStoreToAddress()
4111   Value *QCond = cast<BranchInst>(QFB->getSinglePredecessor()->getTerminator())  in mergeConditionalStoreToAddress()
4152 static bool mergeConditionalStores(BranchInst *PBI, BranchInst *QBI,  in mergeConditionalStores()
4264 static bool tryWidenCondBranchToCondBranch(BranchInst *PBI, BranchInst *BI,  in tryWidenCondBranchToCondBranch()
4321 static bool SimplifyCondBranchToCondBranch(BranchInst *PBI, BranchInst *BI,  in SimplifyCondBranchToCondBranch()
4436     BranchInst::Create(InfLoopBlock, InfLoopBlock);  in SimplifyCondBranchToCondBranch()
4590       BranchInst *NewBI = Builder.CreateCondBr(Cond, TrueBB, FalseBB);  in SimplifyTerminatorOnSelect()
4809 bool SimplifyCFGOpt::SimplifyBranchOnICmpChain(BranchInst *BI,  in SimplifyBranchOnICmpChain()
5207   BranchInst::Create(UnwindDest, RI->getParent());  in mergeCleanupPad()
5282     if (auto *BI = dyn_cast<BranchInst>(TI)) {  in simplifyUnreachable()
5520   BranchInst *NewBI = Builder.CreateCondBr(Cmp, ContiguousDest, OtherDest);  in TurnSwitchRangeIntoICmp()
5663   BranchInst *Branch = dyn_cast<BranchInst>(BB->getTerminator());  in FindPHIForConditionForwarding()
6484     User *PhiUser, BasicBlock *PhiBlock, BranchInst *RangeCheckBranch,  in reuseTableCompare()
6697   BranchInst *RangeCheckBranch = nullptr;  in SwitchToLookupTable()
7098     BranchInst::Create(IBI->getDestination(0), IBI);  in simplifyIndirectBr()
7131 static bool TryToMergeLandingPad(LandingPadInst *LPad, BranchInst *BI,  in TryToMergeLandingPad()
7149     BranchInst *BI2 = dyn_cast<BranchInst>(I);  in TryToMergeLandingPad()
7192 bool SimplifyCFGOpt::simplifyBranch(BranchInst *Branch, IRBuilder<> &Builder) {  in simplifyBranch()
7197 bool SimplifyCFGOpt::simplifyUncondBranch(BranchInst *BI,  in simplifyUncondBranch()
7260 bool SimplifyCFGOpt::simplifyCondBranch(BranchInst *BI, IRBuilder<> &Builder) {  in simplifyCondBranch()
7354     if (BranchInst *PBI = dyn_cast<BranchInst>(Pred->getTerminator()))  in simplifyCondBranch()
7362       if (BranchInst *PBI = dyn_cast<BranchInst>(PrevBB->getTerminator()))  in simplifyCondBranch()
7466         if (BranchInst *BI = dyn_cast<BranchInst>(T)) {  in removeUndefIntroducingPredecessor()
7579     Changed |= simplifyBranch(cast<BranchInst>(Terminator), Builder);  in simplifyOnce()