130   bool SimplifyUncondBranch(BranchInst *BI, IRBuilder <> &Builder);
131   bool SimplifyCondBranch(BranchInst *BI, IRBuilder <>&Builder);
172 static bool isProfitableToFoldUnconditional(BranchInst *SI1,  in isProfitableToFoldUnconditional()
173                                           BranchInst *SI2,  in isProfitableToFoldUnconditional()
271   BranchInst *BI = dyn_cast<BranchInst>(PBB->getTerminator());  in DominatesMergePoint()
511   } else if (BranchInst *BI = dyn_cast<BranchInst>(TI)) {  in EraseTerminatorInstAndDCECond()
532   } else if (BranchInst *BI = dyn_cast<BranchInst>(TI))  in isValueEqualityComparison()
564   BranchInst *BI = cast<BranchInst>(TI);  in GetValueEqualityComparisonCases()
656     if (isa<BranchInst>(TI)) {  in SimplifyEqualityComparisonWithOnlyPredecessor()
802   if (BranchInst* BI = dyn_cast<BranchInst>(TI)) {  in GetBranchWeights()
1019             BranchInst::Create(InfLoopBlock, InfLoopBlock);  in FoldValueComparisonIntoPredecessors()
1055 static bool HoistThenElseCodeToIf(BranchInst *BI,  in HoistThenElseCodeToIf()
1204 static bool SinkThenElseCodeToEnd(BranchInst *BI1) {  in SinkThenElseCodeToEnd()
1219   BranchInst *BI2 = dyn_cast<BranchInst>(BB2->getTerminator());  in SinkThenElseCodeToEnd()
1468 static bool SpeculativelyExecuteBB(BranchInst *BI, BasicBlock *ThenBB,  in SpeculativelyExecuteBB()
1662   BranchInst *BI = cast<BranchInst>(BB->getTerminator());  in BlockIsSimpleEnoughToThreadThrough()
1688 static bool FoldCondBranchOnPHI(BranchInst *BI, const DataLayout &DL) {  in FoldCondBranchOnPHI()
1729     BranchInst::Create(RealDest, EdgeBB);  in FoldCondBranchOnPHI()
1856   if (cast<BranchInst>(IfBlock1->getTerminator())->isConditional()) {  in FoldTwoEntryPHINode()
1869   if (cast<BranchInst>(IfBlock2->getTerminator())->isConditional()) {  in FoldTwoEntryPHINode()
1926 static bool SimplifyCondBranchToTwoReturns(BranchInst *BI,  in SimplifyCondBranchToTwoReturns()
2015 static bool ExtractBranchMetadata(BranchInst *BI,  in ExtractBranchMetadata()
2052 bool llvm::FoldBranchToCommonDest(BranchInst *BI, unsigned BonusInstThreshold) {  in FoldBranchToCommonDest()
2064       if (BranchInst *PBI = dyn_cast<BranchInst>(PB->getTerminator()))  in FoldBranchToCommonDest()
2140     BranchInst *PBI = dyn_cast<BranchInst>(PredBlock->getTerminator());  in FoldBranchToCommonDest()
2327       BranchInst *New_PBI = BranchInst::Create(TrueDest, PBI);  in FoldBranchToCommonDest()
2349 static bool SimplifyCondBranchToCondBranch(BranchInst *PBI, BranchInst *BI) {  in SimplifyCondBranchToCondBranch()
2382         if ((PBI = dyn_cast<BranchInst>(P->getTerminator())) &&  in SimplifyCondBranchToCondBranch()
2479     BranchInst::Create(InfLoopBlock, InfLoopBlock);  in SimplifyCondBranchToCondBranch()
2601       BranchInst *NewBI = Builder.CreateCondBr(Cond, TrueBB, FalseBB);  in SimplifyTerminatorOnSelect()
2808 static bool SimplifyBranchOnICmpChain(BranchInst *BI, IRBuilder<> &Builder,  in SimplifyBranchOnICmpChain()
2948     BranchInst::Create(II->getNormalDest(), II);  in SimplifyResume()
2965   SmallVector<BranchInst*, 8> CondBranchPreds;  in SimplifyReturn()
2969     if (BranchInst *BI = dyn_cast<BranchInst>(PTI)) {  in SimplifyReturn()
2998     BranchInst *BI = CondBranchPreds.pop_back_val();  in SimplifyReturn()
3062     if (BranchInst *BI = dyn_cast<BranchInst>(TI)) {  in SimplifyUnreachable()
3092         BranchInst *BI = Builder.CreateBr(II->getNormalDest());  in SimplifyUnreachable()
3197   BranchInst *NewBI = Builder.CreateCondBr(Cmp, ContiguousDest, OtherDest);  in TurnSwitchRangeIntoICmp()
3306   BranchInst *Branch = dyn_cast<BranchInst>(BB->getTerminator());  in FindPHIForConditionForwarding()
3974           BranchInst *RangeCheckBranch, Constant *DefaultValue,  in reuseTableCompare()
4158   BranchInst *RangeCheckBranch = nullptr;  in SwitchToLookupTable()
4340     BranchInst::Create(IBI->getDestination(0), IBI);  in SimplifyIndirectBr()
4373 static bool TryToMergeLandingPad(LandingPadInst *LPad, BranchInst *BI,  in TryToMergeLandingPad()
4390     BranchInst *BI2 = dyn_cast<BranchInst>(I);  in TryToMergeLandingPad()
4428 bool SimplifyCFGOpt::SimplifyUncondBranch(BranchInst *BI, IRBuilder<> &Builder){  in SimplifyUncondBranch()
4471 bool SimplifyCFGOpt::SimplifyCondBranch(BranchInst *BI, IRBuilder<> &Builder) {  in SimplifyCondBranch()
4548     if (BranchInst *PBI = dyn_cast<BranchInst>((*PI)->getTerminator()))  in SimplifyCondBranch()
4606         if (BranchInst *BI = dyn_cast<BranchInst>(T)) {  in removeUndefIntroducingPredecessor()
4666   if (BranchInst *BI = dyn_cast<BranchInst>(BB->getTerminator())) {  in run()