typedef GraphTraits<Inverse<BlockT*> > InvBlockTraits;
for (typename InvBlockTraits::ChildIteratorType PI =
InvBlockTraits::child_begin(Header),
- PE = InvBlockTraits::child_end(Header); PI != PE; ++PI)
- if (!contains(*PI)) { // If the block is not in the loop...
- if (Out && Out != *PI)
+ PE = InvBlockTraits::child_end(Header); PI != PE; ++PI) {
+ typename InvBlockTraits::NodeType *N = *PI;
+ if (!contains(N)) { // If the block is not in the loop...
+ if (Out && Out != N)
return 0; // Multiple predecessors outside the loop
- Out = *PI;
+ Out = N;
}
+ }
// Make sure there is only one exit out of the preheader.
assert(Out && "Header of loop has no predecessors from outside loop?");