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Use graph traits to perform generic interval construction 

llvm-svn: 8809
This commit is contained in:
Chris Lattner 2003-10-01 22:28:00 +00:00
parent fe0a286d6e
commit 607ceecdf4
1 changed files with 8 additions and 7 deletions
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15
llvm/include/llvm/Analysis/IntervalIterator.h
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@ -76,7 +76,8 @@ inline void addNodeToInterval(Interval *Int, Interval *I) {
template<class NodeTy, class OrigContainer_t>
template<class NodeTy, class OrigContainer_t, class GT = GraphTraits<NodeTy*>,
class IGT = GraphTraits<Inverse<NodeTy*> > >
class IntervalIterator {
std::stack<std::pair<Interval*, typename Interval::succ_iterator> > IntStack;
std::set<BasicBlock*> Visited;
@ -163,8 +164,8 @@ private:
Visited.insert(Header); // The header has now been visited!
// Check all of our successors to see if they are in the interval...
for (typename NodeTy::succ_iterator I = succ_begin(Node),
E = succ_end(Node); I != E; ++I)
for (typename GT::ChildIteratorType I = GT::child_begin(Node),
E = GT::child_end(Node); I != E; ++I)
ProcessNode(Int, getSourceGraphNode(OrigContainer, *I));
IntStack.push(make_pair(Int, succ_begin(Int)));
@ -194,8 +195,8 @@ private:
Int->Successors.push_back(NodeHeader);
}
} else { // Otherwise, not in interval yet
for (typename NodeTy::pred_iterator I = pred_begin(Node),
E = pred_end(Node); I != E; ++I) {
for (typename IGT::ChildIteratorType I = IGT::child_begin(Node),
E = IGT::child_end(Node); I != E; ++I) {
if (!Int->contains(*I)) { // If pred not in interval, we can't be
if (!Int->isSuccessor(NodeHeader)) // Add only if not already in set
Int->Successors.push_back(NodeHeader);
@ -217,8 +218,8 @@ private:
// Now that we have discovered that Node is in the interval, perhaps some
// of its successors are as well?
for (typename NodeTy::succ_iterator It = succ_begin(Node),
End = succ_end(Node); It != End; ++It)
for (typename GT::ChildIteratorType It = GT::child_begin(Node),
End = GT::child_end(Node); It != End; ++It)
ProcessNode(Int, getSourceGraphNode(OrigContainer, *It));
}
}