ScalarEvolutionAliasAnalysis.h [plain text]
#ifndef LLVM_ANALYSIS_SCALAREVOLUTIONALIASANALYSIS_H
#define LLVM_ANALYSIS_SCALAREVOLUTIONALIASANALYSIS_H
#include "llvm/Analysis/AliasAnalysis.h"
#include "llvm/Analysis/ScalarEvolutionExpressions.h"
#include "llvm/IR/Function.h"
#include "llvm/IR/Module.h"
#include "llvm/Pass.h"
namespace llvm {
class SCEVAAResult : public AAResultBase<SCEVAAResult> {
ScalarEvolution &SE;
public:
explicit SCEVAAResult(ScalarEvolution &SE) : AAResultBase(), SE(SE) {}
SCEVAAResult(SCEVAAResult &&Arg) : AAResultBase(std::move(Arg)), SE(Arg.SE) {}
AliasResult alias(const MemoryLocation &LocA, const MemoryLocation &LocB);
private:
Value *GetBaseValue(const SCEV *S);
};
class SCEVAA {
public:
typedef SCEVAAResult Result;
static void *ID() { return (void *)&PassID; }
SCEVAAResult run(Function &F, AnalysisManager<Function> *AM);
static StringRef name() { return "SCEVAA"; }
private:
static char PassID;
};
class SCEVAAWrapperPass : public FunctionPass {
std::unique_ptr<SCEVAAResult> Result;
public:
static char ID;
SCEVAAWrapperPass();
SCEVAAResult &getResult() { return *Result; }
const SCEVAAResult &getResult() const { return *Result; }
bool runOnFunction(Function &F) override;
void getAnalysisUsage(AnalysisUsage &AU) const override;
};
FunctionPass *createSCEVAAWrapperPass();
}
#endif