410   BranchProbability
418       BranchProbability SuccProb, BranchProbability HotProb);
431       const BlockChain &SuccChain, BranchProbability SuccProb,
432       BranchProbability RealSuccProb, const BlockChain &Chain,
477     BranchProbability QProb,
489       BranchProbability AdjustedSumProb, const BlockChain &Chain,
616 BranchProbability MachineBlockPlacement::collectViableSuccessors(  in collectViableSuccessors()
636   auto AdjustedSumProb = BranchProbability::getOne();  in collectViableSuccessors()
662 static BranchProbability
663 getAdjustedProbability(BranchProbability OrigProb,  in getAdjustedProbability()
664                        BranchProbability AdjustedSumProb) {  in getAdjustedProbability()
665   BranchProbability SuccProb;  in getAdjustedProbability()
669     SuccProb = BranchProbability::getOne();  in getAdjustedProbability()
671     SuccProb = BranchProbability(SuccProbN, SuccProbD);  in getAdjustedProbability()
713   BranchProbability ThresholdProb(TailDupPlacementPenalty, 100);  in greaterWithBias()
725     BranchProbability QProb,  in isProfitableToTailDup()
755   BranchProbability PProb = MBPI->getEdgeProbability(BB, Succ);  in isProfitableToTailDup()
766   auto BestSuccSucc = BranchProbability::getZero();  in isProfitableToTailDup()
813     BranchProbability UProb = BestSuccSucc;  in isProfitableToTailDup()
814     BranchProbability VProb = AdjustedSuccSumProb - UProb;  in isProfitableToTailDup()
822   BranchProbability UProb = MBPI->getEdgeProbability(Succ, PDom);  in isProfitableToTailDup()
823   BranchProbability VProb = AdjustedSuccSumProb - UProb;  in isProfitableToTailDup()
975     BranchProbability AdjustedSumProb, const BlockChain &Chain,  in getBestTrellisSuccessor()
1031       LLVM_DEBUG(BranchProbability Succ2Prob = getAdjustedProbability(  in getBestTrellisSuccessor()
1046   LLVM_DEBUG(BranchProbability SuccProb = getAdjustedProbability(  in getBestTrellisSuccessor()
1175     if (MBPI->getEdgeProbability(&BB, PDom) < BranchProbability(50, 100))  in precomputeTriangleChains()
1244 static BranchProbability getLayoutSuccessorProbThreshold(  in getLayoutSuccessorProbThreshold()
1247     return BranchProbability(StaticLikelyProb, 100);  in getLayoutSuccessorProbThreshold()
1262       return BranchProbability(2 * ProfileLikelyProb, 150);  in getLayoutSuccessorProbThreshold()
1265   return BranchProbability(ProfileLikelyProb, 100);  in getLayoutSuccessorProbThreshold()
1278     const BlockChain &SuccChain, BranchProbability SuccProb,  in hasBetterLayoutPredecessor()
1279     BranchProbability RealSuccProb, const BlockChain &Chain,  in hasBetterLayoutPredecessor()
1399   BranchProbability HotProb = getLayoutSuccessorProbThreshold(BB);  in hasBetterLayoutPredecessor()
1459   const BranchProbability HotProb(StaticLikelyProb, 100);  in selectBestSuccessor()
1462   auto BestProb = BranchProbability::getZero();  in selectBestSuccessor()
1492   SmallVector<std::tuple<BranchProbability, MachineBasicBlock *>, 4>  in selectBestSuccessor()
1496     BranchProbability SuccProb =  in selectBestSuccessor()
1532         [](const std::tuple<BranchProbability, MachineBasicBlock *> &a,  in selectBestSuccessor()
1533            const std::tuple<BranchProbability, MachineBasicBlock *> &b) {  in selectBestSuccessor()  argument
1539     BranchProbability DupProb;  in selectBestSuccessor()
1910       BranchProbability Bias(100 - ExitBlockBias, 100);  in findBestLoopExit()
2058     return Freq / BranchProbability(1, Scale);  in rotateLoopWithProfile()
2086     auto LargestExitEdgeProb = BranchProbability::getZero();  in rotateLoopWithProfile()
2095     if (LargestExitEdgeProb > BranchProbability::getZero()) {  in rotateLoopWithProfile()
2151         auto ColderEdgeFreq = TailToHeadProb > BranchProbability(1, 2)  in rotateLoopWithProfile()
2507   const BranchProbability ColdProb(1, 5); // 20%  in alignBlocks()
2555     BranchProbability LayoutProb =  in alignBlocks()