1184     auto Merge = [&](const SmallVectorImpl<CallInst *> &MergableCIs,  in mergeParallelRegions()
1188       assert(MergableCIs.size() > 1 && "Assumed multiple mergable CIs");  in mergeParallelRegions()
1192            << (MergableCIs.size() > 2 ? "s" : "") << " at ";  in mergeParallelRegions()
1193         for (auto *CI : llvm::drop_begin(MergableCIs)) {  in mergeParallelRegions()
1195           if (CI != MergableCIs.back())  in mergeParallelRegions()
1201       emitRemark<OptimizationRemark>(MergableCIs.front(), "OMP150", Remark);  in mergeParallelRegions()
1204       LLVM_DEBUG(dbgs() << TAG << "Merge " << MergableCIs.size()  in mergeParallelRegions()
1209       EndBB = SplitBlock(BB, MergableCIs.back()->getNextNode(), DT, LI);  in mergeParallelRegions()
1212       StartBB = SplitBlock(BB, MergableCIs.front(), DT, LI, nullptr,  in mergeParallelRegions()
1221       for (auto *It = MergableCIs.begin(), *End = MergableCIs.end() - 1;  in mergeParallelRegions()
1249       Function *OutlinedFn = MergableCIs.front()->getCaller();  in mergeParallelRegions()
1254       for (auto *CI : MergableCIs) {  in mergeParallelRegions()
1276         if (CI != MergableCIs.back()) {  in mergeParallelRegions()
1292       NumOpenMPParallelRegionsMerged += MergableCIs.size();  in mergeParallelRegions()
1319       SmallVector<CallInst *, 4> MergableCIs;  in mergeParallelRegions()  local
1369           MergableCIs.push_back(cast<CallInst>(&I));  in mergeParallelRegions()
1374         if (IsMergable(I, MergableCIs.empty()))  in mergeParallelRegions()
1390         if (MergableCIs.size() > 1) {  in mergeParallelRegions()
1391           MergableCIsVector.push_back(MergableCIs);  in mergeParallelRegions()
1392           LLVM_DEBUG(dbgs() << TAG << "Found " << MergableCIs.size()  in mergeParallelRegions()
1398         MergableCIs.clear();  in mergeParallelRegions()
1404         for (auto &MergableCIs : MergableCIsVector)  in mergeParallelRegions()  local
1405           Merge(MergableCIs, BB);  in mergeParallelRegions()