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//===- llvm/Analysis/LoopDependenceAnalysis.h --------------- -*- C++ -*---===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// LoopDependenceAnalysis is an LLVM pass that analyses dependences in memory
// accesses in loops.
//
// Please note that this is work in progress and the interface is subject to
// change.
//
// TODO: adapt as interface progresses
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_ANALYSIS_LOOP_DEPENDENCE_ANALYSIS_H
#define LLVM_ANALYSIS_LOOP_DEPENDENCE_ANALYSIS_H
#include "llvm/Analysis/LoopPass.h"
#include "llvm/Support/raw_ostream.h"
#include <iosfwd>
namespace llvm {
class AliasAnalysis;
class AnalysisUsage;
class ScalarEvolution;
class Value;
class LoopDependenceAnalysis : public LoopPass {
Loop *L;
AliasAnalysis *AA;
ScalarEvolution *SE;
public:
static char ID; // Class identification, replacement for typeinfo
LoopDependenceAnalysis() : LoopPass(&ID) {}
/// TODO: docs
bool isDependencePair(const Value*, const Value*) const;
bool depends(Value*, Value*);
bool runOnLoop(Loop*, LPPassManager&);
virtual void getAnalysisUsage(AnalysisUsage&) const;
void print(raw_ostream&, const Module* = 0) const;
virtual void print(std::ostream&, const Module* = 0) const;
}; // class LoopDependenceAnalysis
// createLoopDependenceAnalysisPass - This creates an instance of the
// LoopDependenceAnalysis pass.
//
LoopPass *createLoopDependenceAnalysisPass();
} // namespace llvm
#endif /* LLVM_ANALYSIS_LOOP_DEPENDENCE_ANALYSIS_H */
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