+ if (isCommIntrinsic) {
+ // Commutative intrinsic. First operand is the intrinsic id, 2nd and 3rd
+ // operands are the commutative operands, and there might be more operands
+ // after those.
+ assert(NC >= 3 &&
+ "Commutative intrinsic should have at least 3 childrean!");
+ std::vector<std::vector<TreePatternNode*> > Variants;
+ Variants.push_back(ChildVariants[0]); // Intrinsic id.
+ Variants.push_back(ChildVariants[2]);
+ Variants.push_back(ChildVariants[1]);
+ for (unsigned i = 3; i != NC; ++i)
+ Variants.push_back(ChildVariants[i]);
+ CombineChildVariants(N, Variants, OutVariants, CDP, DepVars);
+ } else if (NC == 2)