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Add graph traits specializations for intervals

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@8808 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2003-10-01 22:27:36 +00:00
parent 08fdac89e6
commit 96f7b1bf32
1 changed files with 28 additions and 0 deletions
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28
include/llvm/Analysis/Interval.h
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@ -13,6 +13,7 @@
#ifndef LLVM_INTERVAL_H
#define LLVM_INTERVAL_H
#include "Support/GraphTraits.h"
#include <vector>
#include <iosfwd>
@ -111,4 +112,31 @@ inline Interval::pred_iterator pred_end(Interval *I) {
return I->Predecessors.end();
}
template <> struct GraphTraits<Interval*> {
typedef Interval NodeType;
typedef Interval::succ_iterator ChildIteratorType;
static NodeType *getEntryNode(Interval *I) { return I; }
// nodes_iterator/begin/end - Allow iteration over all nodes in the graph
static inline ChildIteratorType child_begin(NodeType *N) {
return succ_begin(N);
}
static inline ChildIteratorType child_end(NodeType *N) {
return succ_end(N);
}
};
template <> struct GraphTraits<Inverse<Interval*> > {
typedef Interval NodeType;
typedef Interval::pred_iterator ChildIteratorType;
static NodeType *getEntryNode(Inverse<Interval *> G) { return G.Graph; }
static inline ChildIteratorType child_begin(NodeType *N) {
return pred_begin(N);
}
static inline ChildIteratorType child_end(NodeType *N) {
return pred_end(N);
}
};
#endif