llvm/llvm/include/llvm/Analysis/ScopedNoAliasAA.h

//===- ScopedNoAliasAA.h - Scoped No-Alias Alias Analysis -------*- C++ -*-===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
//
/// \file
/// This is the interface for a metadata-based scoped no-alias analysis.
//
//===----------------------------------------------------------------------===//

#ifndef LLVM_ANALYSIS_SCOPEDNOALIASAA_H
#define LLVM_ANALYSIS_SCOPEDNOALIASAA_H

#include "llvm/Analysis/AliasAnalysis.h"
#include "llvm/IR/PassManager.h"
#include "llvm/Pass.h"
#include <memory>

namespace llvm {

class Function;
class MDNode;
class MemoryLocation;

/// A simple AA result which uses scoped-noalias metadata to answer queries.
class ScopedNoAliasAAResult : public AAResultBase { … };

/// Analysis pass providing a never-invalidated alias analysis result.
class ScopedNoAliasAA : public AnalysisInfoMixin<ScopedNoAliasAA> { … };

/// Legacy wrapper pass to provide the ScopedNoAliasAAResult object.
class ScopedNoAliasAAWrapperPass : public ImmutablePass { … };

//===--------------------------------------------------------------------===//
//
// createScopedNoAliasAAWrapperPass - This pass implements metadata-based
// scoped noalias analysis.
//
ImmutablePass *createScopedNoAliasAAWrapperPass();

} // end namespace llvm

#endif // LLVM_ANALYSIS_SCOPEDNOALIASAA_H