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Add graph traits specializations for loop nesting information...

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5666 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2003-02-28 03:05:15 +00:00
parent 46f1785def
commit 1db0a40037
1 changed files with 28 additions and 0 deletions
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28
include/llvm/Analysis/LoopInfo.h
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@ -19,6 +19,7 @@
#define LLVM_ANALYSIS_LOOP_INFO_H
#include "llvm/Pass.h"
#include "Support/GraphTraits.h"
#include <set>
class DominatorSet;
@ -186,4 +187,31 @@ private:
static IncludeFile
LOOP_INFO_INCLUDE_FILE((void*)&LoopInfo::stub);
// Allow clients to walk the list of nested loops...
template <> struct GraphTraits<const Loop*> {
typedef const Loop NodeType;
typedef std::vector<Loop*>::const_iterator ChildIteratorType;
static NodeType *getEntryNode(const Loop *L) { return L; }
static inline ChildIteratorType child_begin(NodeType *N) {
return N->getSubLoops().begin();
}
static inline ChildIteratorType child_end(NodeType *N) {
return N->getSubLoops().end();
}
};
template <> struct GraphTraits<Loop*> {
typedef Loop NodeType;
typedef std::vector<Loop*>::const_iterator ChildIteratorType;
static NodeType *getEntryNode(Loop *L) { return L; }
static inline ChildIteratorType child_begin(NodeType *N) {
return N->getSubLoops().begin();
}
static inline ChildIteratorType child_end(NodeType *N) {
return N->getSubLoops().end();
}
};
#endif