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//===- Interval.h - Integer Interval Analysis for Source CFGs -*- C++ --*-//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This file implements Live Variables analysis for source-level CFGs.
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_CLANG_INTERVAL_ANALYSIS_H
#define LLVM_CLANG_INTERVAL_ANALYSIS_H
#include "clang/Analysis/AnalysisContext.h"
#include "clang/AST/Decl.h"
#include "llvm/ADT/DenseMap.h"
#include "llvm/ADT/ImmutableSet.h"
#include "clang/Analysis/Analyses/IntervalSolver/Complete.hpp"
#include <vector>
#include <map>
#include <string>
typedef Complete<int64_t> ZBar;
template<>
inline ZBar infinity() {
return ZBar(1, true);
}
namespace clang {
class CFG;
class CFGBlock;
class Stmt;
class DeclRefExpr;
class SourceManager;
typedef std::vector<std::map<std::string,int> > ConstraintMatrix;
class IntervalAnalysis : public ManagedAnalysis {
public:
IntervalAnalysis(AnalysisDeclContext &analysisContext);
virtual ~IntervalAnalysis();
std::map<CFGBlock*,std::vector<ZBar> > runOnAllBlocks(const Decl&, const ConstraintMatrix&);
static IntervalAnalysis *create(AnalysisDeclContext &analysisContext) {
return new IntervalAnalysis(analysisContext);
}
static const void *getTag();
private:
AnalysisDeclContext* context;
};
} // end namespace clang
#endif
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