[llvm-commits] CVS: llvm/include/llvm/CodeGen/SchedGraphCommon.h
Tanya Brethour
tbrethou at cs.uiuc.edu
Tue Jan 20 11:50:01 PST 2004
Changes in directory llvm/include/llvm/CodeGen:
SchedGraphCommon.h updated: 1.8 -> 1.9
---
Log message:
Moved iterators to common file.
---
Diffs of the changes: (+67 -0)
Index: llvm/include/llvm/CodeGen/SchedGraphCommon.h
diff -u llvm/include/llvm/CodeGen/SchedGraphCommon.h:1.8 llvm/include/llvm/CodeGen/SchedGraphCommon.h:1.9
--- llvm/include/llvm/CodeGen/SchedGraphCommon.h:1.8 Tue Nov 11 16:41:31 2003
+++ llvm/include/llvm/CodeGen/SchedGraphCommon.h Tue Jan 20 11:49:42 2004
@@ -16,6 +16,7 @@
#define LLVM_CODEGEN_SCHEDGRAPHCOMMON_H
#include "llvm/Value.h"
+#include "Support/iterator"
#include <vector>
namespace llvm {
@@ -81,6 +82,8 @@
inline SchedGraphNodeCommon(unsigned Id, int index) : ID(Id), latency(0),
origIndexInBB(index) {}
+ inline SchedGraphNodeCommon(unsigned Id, int late, int index) : ID(Id), latency(late), origIndexInBB(index) {}
+
virtual ~SchedGraphNodeCommon();
//Functions to add and remove edges
@@ -88,6 +91,7 @@
inline void addOutEdge(SchedGraphEdge* edge) { outEdges.push_back(edge); }
void removeInEdge(const SchedGraphEdge* edge);
void removeOutEdge(const SchedGraphEdge* edge);
+
};
// ostream << operator for SchedGraphNode class
@@ -219,6 +223,69 @@
~SchedGraphCommon();
};
+
+//********************** 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;
+ }
+};
} // End llvm namespace
#endif
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