Lines Matching defs:Heads
597 SmallSetVector<int, 16> Heads, Tails;617 Heads.insert(i);626 for (int Head : Heads) {632 !InstructionsProcessed.count(Instrs[Heads[TIt]])) {643 while (I != -1 && (Tails.count(I) || Heads.count(I))) {
