AliasAnalysis.h

Go to the documentation of this file.

// SPDX-License-Identifier: MIT
 
#pragma once
 
#include <memory>
 
#include "mini-llvm/ir/Function.h"
#include "mini-llvm/ir/Value.h"
#include "mini-llvm/opt/ir/FunctionAnalysis.h"
#include "mini-llvm/utils/Compiler.h"
 
namespace mini_llvm::ir {
 
enum class AliasResult {
    kMayAlias,
    kMustAlias,
    kPartialAlias,
    kNoAlias,
};
 
class MINI_LLVM_EXPORT AliasAnalysis final : public FunctionAnalysis {
public:
    AliasAnalysis();
    ~AliasAnalysis() override;
    void runOnFunction(const Function &F) override;
    AliasResult alias(const Value &ptr1, const Value &ptr2) const;
    AliasResult alias(const Value &ptr1, int size1, const Value &ptr2, int size2) const;
 
private:
    class Impl;
 
    std::unique_ptr<Impl> impl_;
};
 
} // namespace mini_llvm::ir