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()
719   for (unsigned i = 0, e = SameTails.size(); i != e; ++i) {  in CreateCommonTailOnlyBlock()
721     if (SameTails[i].getBlock() == PredBB) {  in CreateCommonTailOnlyBlock()
727     unsigned t = EstimateRuntime(SameTails[i].getBlock()->begin(),  in CreateCommonTailOnlyBlock()
728                                  SameTails[i].getTailStartPos());  in CreateCommonTailOnlyBlock()
736     SameTails[commonTailIndex].getTailStartPos();  in CreateCommonTailOnlyBlock()
737   MachineBasicBlock *MBB = SameTails[commonTailIndex].getBlock();  in CreateCommonTailOnlyBlock()
753   SameTails[commonTailIndex].setBlock(newMBB);  in CreateCommonTailOnlyBlock()
754   SameTails[commonTailIndex].setTailStartPos(newMBB->begin());  in CreateCommonTailOnlyBlock()
814   MachineBasicBlock *MBB = SameTails[commonTailIndex].getBlock();  in mergeCommonTails()
816   std::vector<MachineBasicBlock::iterator> NextCommonInsts(SameTails.size());  in mergeCommonTails()
817   for (unsigned int i = 0 ; i != SameTails.size() ; ++i) {  in mergeCommonTails()
819       NextCommonInsts[i] = SameTails[i].getTailStartPos();  in mergeCommonTails()
820       mergeOperations(SameTails[i].getTailStartPos(), *MBB);  in mergeCommonTails()
822       assert(SameTails[i].getTailStartPos() == MBB->begin() &&  in mergeCommonTails()
836       assert(Pos != SameTails[i].getBlock()->end() &&  in mergeCommonTails()
840         assert(Pos != SameTails[i].getBlock()->end() &&  in mergeCommonTails()
928     if (SameTails.empty()) {  in TryTailMergeBlocks()
939     unsigned commonTailIndex = SameTails.size();  in TryTailMergeBlocks()
942     if (SameTails.size() == 2 &&  in TryTailMergeBlocks()
943         SameTails[0].getBlock()->isLayoutSuccessor(SameTails[1].getBlock()) &&  in TryTailMergeBlocks()
944         SameTails[1].tailIsWholeBlock() && !SameTails[1].getBlock()->isEHPad())  in TryTailMergeBlocks()
946     else if (SameTails.size() == 2 &&  in TryTailMergeBlocks()
947              SameTails[1].getBlock()->isLayoutSuccessor(  in TryTailMergeBlocks()
948                  SameTails[0].getBlock()) &&  in TryTailMergeBlocks()
949              SameTails[0].tailIsWholeBlock() &&  in TryTailMergeBlocks()
950              !SameTails[0].getBlock()->isEHPad())  in TryTailMergeBlocks()
955       for (unsigned i = 0, e = SameTails.size(); i != e; ++i) {  in TryTailMergeBlocks()
956         MachineBasicBlock *MBB = SameTails[i].getBlock();  in TryTailMergeBlocks()
958             SameTails[i].tailIsWholeBlock())  in TryTailMergeBlocks()
964         if (SameTails[i].tailIsWholeBlock())  in TryTailMergeBlocks()
969     if (commonTailIndex == SameTails.size() ||  in TryTailMergeBlocks()
970         (SameTails[commonTailIndex].getBlock() == PredBB &&  in TryTailMergeBlocks()
971          !SameTails[commonTailIndex].tailIsWholeBlock())) {  in TryTailMergeBlocks()
981     MachineBasicBlock *MBB = SameTails[commonTailIndex].getBlock();  in TryTailMergeBlocks()
994     for (unsigned int i=0, e = SameTails.size(); i != e; ++i) {  in TryTailMergeBlocks()
997       LLVM_DEBUG(dbgs() << printMBBReference(*SameTails[i].getBlock())  in TryTailMergeBlocks()
1000       replaceTailWithBranchTo(SameTails[i].getTailStartPos(), *MBB);  in TryTailMergeBlocks()
1002       MergePotentials.erase(SameTails[i].getMPIter());  in TryTailMergeBlocks()
1169   for (const auto &Src : SameTails) {  in setCommonTailEdgeWeights()