utils/TableGen/CodeGenDAGPatterns.cpp

4382     const std::vector<std::vector<TreePatternNodePtr>> &ChildVariants,
4386   for (const auto &Variants : ChildVariants)
4392   Idxs.resize(ChildVariants.size());
4406     for (unsigned i = 0, e = ChildVariants.size(); i != e; ++i)
4407       NewChildren.push_back(ChildVariants[i][Idxs[i]]);
4436       if (++Idxs[IdxsIdx] == ChildVariants[IdxsIdx].size())
4453   std::vector<std::vector<TreePatternNodePtr>> ChildVariants;
4454   ChildVariants.push_back(LHS);
4455   ChildVariants.push_back(RHS);
4456   CombineChildVariants(Orig, ChildVariants, OutVariants, CDP, DepVars);
4552   std::vector<std::vector<TreePatternNodePtr>> ChildVariants;
4553   ChildVariants.resize(N->getNumChildren());
4555     GenerateVariantsOf(N->getChildShared(i), ChildVariants[i], CDP, DepVars);
4558   CombineChildVariants(N, ChildVariants, OutVariants, CDP, DepVars);
4585       Variants.push_back(std::move(ChildVariants[0])); // Intrinsic id.
4586       Variants.push_back(std::move(ChildVariants[2]));
4587       Variants.push_back(std::move(ChildVariants[1]));
4589         Variants.push_back(std::move(ChildVariants[i]));
4593       Variants.push_back(std::move(ChildVariants[1]));
4594       Variants.push_back(std::move(ChildVariants[0]));
4596         Variants.push_back(std::move(ChildVariants[i]));