bool Interval::isLoop() const {
// There is a loop in this interval iff one of the predecessors of the header
// node lives in the interval.
- for (::pred_iterator I = ::pred_begin(HeaderNode), E = ::pred_end(HeaderNode);
- I != E; ++I)
- if (contains(*I))
+ for (BasicBlock *Pred : predecessors(HeaderNode))
+ if (contains(Pred))
return true;
return false;
}