-bool Loop::isLCSSAForm() const {
- // Collect all the reachable blocks in the function, for fast lookups.
- SmallPtrSet<BasicBlock *, 32> ReachableBBs;
- BasicBlock *EntryBB = getHeader()->getParent()->begin();
- for (df_iterator<BasicBlock *> NI = df_begin(EntryBB),
- NE = df_end(EntryBB); NI != NE; ++NI)
- ReachableBBs.insert(*NI);
-