147   bool SimplifyUncondBranch(BranchInst *BI, IRBuilder <> &Builder);
148   bool SimplifyCondBranch(BranchInst *BI, IRBuilder <>&Builder);
186 static bool isProfitableToFoldUnconditional(BranchInst *SI1,  in isProfitableToFoldUnconditional()
187                                           BranchInst *SI2,  in isProfitableToFoldUnconditional()
287   BranchInst *BI = dyn_cast<BranchInst>(PBB->getTerminator());  in DominatesMergePoint()
536   } else if (BranchInst *BI = dyn_cast<BranchInst>(TI)) {  in EraseTerminatorInstAndDCECond()
557   } else if (BranchInst *BI = dyn_cast<BranchInst>(TI))  in isValueEqualityComparison()
589   BranchInst *BI = cast<BranchInst>(TI);  in GetValueEqualityComparisonCases()
679     if (isa<BranchInst>(TI)) {  in SimplifyEqualityComparisonWithOnlyPredecessor()
825   if (BranchInst* BI = dyn_cast<BranchInst>(TI)) {  in GetBranchWeights()
1042             BranchInst::Create(InfLoopBlock, InfLoopBlock);  in FoldValueComparisonIntoPredecessors()
1077 static bool HoistThenElseCodeToIf(BranchInst *BI,  in HoistThenElseCodeToIf()
1225 static bool SinkThenElseCodeToEnd(BranchInst *BI1) {  in SinkThenElseCodeToEnd()
1240   BranchInst *BI2 = dyn_cast<BranchInst>(BB2->getTerminator());  in SinkThenElseCodeToEnd()
1490 static bool SpeculativelyExecuteBB(BranchInst *BI, BasicBlock *ThenBB,  in SpeculativelyExecuteBB()
1688   BranchInst *BI = cast<BranchInst>(BB->getTerminator());  in BlockIsSimpleEnoughToThreadThrough()
1713 static bool FoldCondBranchOnPHI(BranchInst *BI, const DataLayout &DL) {  in FoldCondBranchOnPHI()
1754     BranchInst::Create(RealDest, EdgeBB);  in FoldCondBranchOnPHI()
1881   if (cast<BranchInst>(IfBlock1->getTerminator())->isConditional()) {  in FoldTwoEntryPHINode()
1894   if (cast<BranchInst>(IfBlock2->getTerminator())->isConditional()) {  in FoldTwoEntryPHINode()
1951 static bool SimplifyCondBranchToTwoReturns(BranchInst *BI,  in SimplifyCondBranchToTwoReturns()
2039 static bool ExtractBranchMetadata(BranchInst *BI,  in ExtractBranchMetadata()
2075 bool llvm::FoldBranchToCommonDest(BranchInst *BI, unsigned BonusInstThreshold) {  in FoldBranchToCommonDest()
2087       if (BranchInst *PBI = dyn_cast<BranchInst>(PB->getTerminator()))  in FoldBranchToCommonDest()
2163     BranchInst *PBI = dyn_cast<BranchInst>(PredBlock->getTerminator());  in FoldBranchToCommonDest()
2350       BranchInst *New_PBI = BranchInst::Create(TrueDest, PBI);  in FoldBranchToCommonDest()
2517   Value *PCond = cast<BranchInst>(PFB->getSinglePredecessor()->getTerminator())  in mergeConditionalStoreToAddress()
2519   Value *QCond = cast<BranchInst>(QFB->getSinglePredecessor()->getTerminator())  in mergeConditionalStoreToAddress()
2553 static bool mergeConditionalStores(BranchInst *PBI, BranchInst *QBI) {  in mergeConditionalStores()
2657 static bool SimplifyCondBranchToCondBranch(BranchInst *PBI, BranchInst *BI,  in SimplifyCondBranchToCondBranch()
2690         if ((PBI = dyn_cast<BranchInst>(P->getTerminator())) &&  in SimplifyCondBranchToCondBranch()
2805     BranchInst::Create(InfLoopBlock, InfLoopBlock);  in SimplifyCondBranchToCondBranch()
2927       BranchInst *NewBI = Builder.CreateCondBr(Cond, TrueBB, FalseBB);  in SimplifyTerminatorOnSelect()
3134 static bool SimplifyBranchOnICmpChain(BranchInst *BI, IRBuilder<> &Builder,  in SimplifyBranchOnICmpChain()
3391   SmallVector<BranchInst*, 8> CondBranchPreds;  in SimplifyReturn()
3395     if (BranchInst *BI = dyn_cast<BranchInst>(PTI)) {  in SimplifyReturn()
3424     BranchInst *BI = CondBranchPreds.pop_back_val();  in SimplifyReturn()
3488     if (BranchInst *BI = dyn_cast<BranchInst>(TI)) {  in SimplifyUnreachable()
3615   BranchInst *NewBI = Builder.CreateCondBr(Cmp, ContiguousDest, OtherDest);  in TurnSwitchRangeIntoICmp()
3747   BranchInst *Branch = dyn_cast<BranchInst>(BB->getTerminator());  in FindPHIForConditionForwarding()
4410           BranchInst *RangeCheckBranch, Constant *DefaultValue,  in reuseTableCompare()
4594   BranchInst *RangeCheckBranch = nullptr;  in SwitchToLookupTable()
4781     BranchInst::Create(IBI->getDestination(0), IBI);  in SimplifyIndirectBr()
4814 static bool TryToMergeLandingPad(LandingPadInst *LPad, BranchInst *BI,  in TryToMergeLandingPad()
4831     BranchInst *BI2 = dyn_cast<BranchInst>(I);  in TryToMergeLandingPad()
4869 bool SimplifyCFGOpt::SimplifyUncondBranch(BranchInst *BI, IRBuilder<> &Builder){  in SimplifyUncondBranch()
4922 bool SimplifyCFGOpt::SimplifyCondBranch(BranchInst *BI, IRBuilder<> &Builder) {  in SimplifyCondBranch()
4999     if (BranchInst *PBI = dyn_cast<BranchInst>((*PI)->getTerminator()))  in SimplifyCondBranch()
5007       if (BranchInst *PBI = dyn_cast<BranchInst>(PrevBB->getTerminator()))  in SimplifyCondBranch()
5065         if (BranchInst *BI = dyn_cast<BranchInst>(T)) {  in removeUndefIntroducingPredecessor()
5125   if (BranchInst *BI = dyn_cast<BranchInst>(BB->getTerminator())) {  in run()