662   SameTails.clear();  in ComputeSameTails()
677           SameTails.clear();  in ComputeSameTails()
680           SameTails.push_back(SameTailElt(CurMPIter, TrialBBI1));  in ComputeSameTails()
684           SameTails.push_back(SameTailElt(I, TrialBBI2));  in ComputeSameTails()
718   for (unsigned i = 0, e = SameTails.size(); i != e; ++i) {  in CreateCommonTailOnlyBlock()
720     if (SameTails[i].getBlock() == PredBB) {  in CreateCommonTailOnlyBlock()
726     unsigned t = EstimateRuntime(SameTails[i].getBlock()->begin(),  in CreateCommonTailOnlyBlock()
727                                  SameTails[i].getTailStartPos());  in CreateCommonTailOnlyBlock()
735     SameTails[commonTailIndex].getTailStartPos();  in CreateCommonTailOnlyBlock()
736   MachineBasicBlock *MBB = SameTails[commonTailIndex].getBlock();  in CreateCommonTailOnlyBlock()
752   SameTails[commonTailIndex].setBlock(newMBB);  in CreateCommonTailOnlyBlock()
753   SameTails[commonTailIndex].setTailStartPos(newMBB->begin());  in CreateCommonTailOnlyBlock()
813   MachineBasicBlock *MBB = SameTails[commonTailIndex].getBlock();  in mergeCommonTails()
815   std::vector<MachineBasicBlock::iterator> NextCommonInsts(SameTails.size());  in mergeCommonTails()
816   for (unsigned int i = 0 ; i != SameTails.size() ; ++i) {  in mergeCommonTails()
818       NextCommonInsts[i] = SameTails[i].getTailStartPos();  in mergeCommonTails()
819       mergeOperations(SameTails[i].getTailStartPos(), *MBB);  in mergeCommonTails()
821       assert(SameTails[i].getTailStartPos() == MBB->begin() &&  in mergeCommonTails()
835       assert(Pos != SameTails[i].getBlock()->end() &&  in mergeCommonTails()
839         assert(Pos != SameTails[i].getBlock()->end() &&  in mergeCommonTails()
918     if (SameTails.empty()) {  in TryTailMergeBlocks()
929     unsigned commonTailIndex = SameTails.size();  in TryTailMergeBlocks()
932     if (SameTails.size() == 2 &&  in TryTailMergeBlocks()
933         SameTails[0].getBlock()->isLayoutSuccessor(SameTails[1].getBlock()) &&  in TryTailMergeBlocks()
934         SameTails[1].tailIsWholeBlock() && !SameTails[1].getBlock()->isEHPad())  in TryTailMergeBlocks()
936     else if (SameTails.size() == 2 &&  in TryTailMergeBlocks()
937              SameTails[1].getBlock()->isLayoutSuccessor(  in TryTailMergeBlocks()
938                  SameTails[0].getBlock()) &&  in TryTailMergeBlocks()
939              SameTails[0].tailIsWholeBlock() &&  in TryTailMergeBlocks()
940              !SameTails[0].getBlock()->isEHPad())  in TryTailMergeBlocks()
945       for (unsigned i = 0, e = SameTails.size(); i != e; ++i) {  in TryTailMergeBlocks()
946         MachineBasicBlock *MBB = SameTails[i].getBlock();  in TryTailMergeBlocks()
948             SameTails[i].tailIsWholeBlock())  in TryTailMergeBlocks()
954         if (SameTails[i].tailIsWholeBlock())  in TryTailMergeBlocks()
959     if (commonTailIndex == SameTails.size() ||  in TryTailMergeBlocks()
960         (SameTails[commonTailIndex].getBlock() == PredBB &&  in TryTailMergeBlocks()
961          !SameTails[commonTailIndex].tailIsWholeBlock())) {  in TryTailMergeBlocks()
971     MachineBasicBlock *MBB = SameTails[commonTailIndex].getBlock();  in TryTailMergeBlocks()
984     for (unsigned int i=0, e = SameTails.size(); i != e; ++i) {  in TryTailMergeBlocks()
987       LLVM_DEBUG(dbgs() << printMBBReference(*SameTails[i].getBlock())  in TryTailMergeBlocks()
990       replaceTailWithBranchTo(SameTails[i].getTailStartPos(), *MBB);  in TryTailMergeBlocks()
992       MergePotentials.erase(SameTails[i].getMPIter());  in TryTailMergeBlocks()
1156   for (const auto &Src : SameTails) {  in setCommonTailEdgeWeights()