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Moved iterators to common file.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10925 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Tanya Lattner
2004-01-20 17:49:42 +00:00
parent cdaff32ef6
commit a105c802b2
3 changed files with 67 additions and 124 deletions
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62
lib/CodeGen/InstrSched/SchedGraph.h
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@@ -180,68 +180,6 @@ public:
//********************** Sched Graph Iterators *****************************/
// Ok to make it a template because it shd get instantiated at most twice:
// for <SchedGraphNode, SchedGraphNode::iterator> and
// for <const SchedGraphNode, SchedGraphNode::const_iterator>.
//
template <class _NodeType, class _EdgeType, class _EdgeIter>
class SGPredIterator: public bidirectional_iterator<_NodeType, ptrdiff_t> {
protected:
_EdgeIter oi;
public:
typedef SGPredIterator<_NodeType, _EdgeType, _EdgeIter> _Self;
inline SGPredIterator(_EdgeIter startEdge) : oi(startEdge) {}
inline bool operator==(const _Self& x) const { return oi == x.oi; }
inline bool operator!=(const _Self& x) const { return !operator==(x); }
// operator*() differs for pred or succ iterator
inline _NodeType* operator*() const { return (_NodeType*)(*oi)->getSrc(); }
inline _NodeType* operator->() const { return operator*(); }
inline _EdgeType* getEdge() const { return *(oi); }
inline _Self &operator++() { ++oi; return *this; } // Preincrement
inline _Self operator++(int) { // Postincrement
_Self tmp(*this); ++*this; return tmp;
}
inline _Self &operator--() { --oi; return *this; } // Predecrement
inline _Self operator--(int) { // Postdecrement
_Self tmp = *this; --*this; return tmp;
}
};
template <class _NodeType, class _EdgeType, class _EdgeIter>
class SGSuccIterator : public bidirectional_iterator<_NodeType, ptrdiff_t> {
protected:
_EdgeIter oi;
public:
typedef SGSuccIterator<_NodeType, _EdgeType, _EdgeIter> _Self;
inline SGSuccIterator(_EdgeIter startEdge) : oi(startEdge) {}
inline bool operator==(const _Self& x) const { return oi == x.oi; }
inline bool operator!=(const _Self& x) const { return !operator==(x); }
inline _NodeType* operator*() const { return (_NodeType*)(*oi)->getSink(); }
inline _NodeType* operator->() const { return operator*(); }
inline _EdgeType* getEdge() const { return *(oi); }
inline _Self &operator++() { ++oi; return *this; } // Preincrement
inline _Self operator++(int) { // Postincrement
_Self tmp(*this); ++*this; return tmp;
}
inline _Self &operator--() { --oi; return *this; } // Predecrement
inline _Self operator--(int) { // Postdecrement
_Self tmp = *this; --*this; return tmp;
}
};
//
// sg_pred_iterator