llvm/llvm/include/llvm/CodeGen/GlobalISel/LegacyLegalizerInfo.h

//===- llvm/CodeGen/GlobalISel/LegacyLegalizerInfo.h ------------*- 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
/// Interface for Targets to specify which operations they can successfully
/// select and how the others should be expanded most efficiently.
/// This implementation has been deprecated for a long time but it still in use
/// in a few places.
//===----------------------------------------------------------------------===//

#ifndef LLVM_CODEGEN_GLOBALISEL_LEGACYLEGALIZERINFO_H
#define LLVM_CODEGEN_GLOBALISEL_LEGACYLEGALIZERINFO_H

#include "llvm/ADT/DenseMap.h"
#include "llvm/CodeGen/TargetOpcodes.h"
#include "llvm/CodeGenTypes/LowLevelType.h"
#include <unordered_map>
#include <vector>

namespace llvm {
struct LegalityQuery;

namespace LegacyLegalizeActions {
enum LegacyLegalizeAction : std::uint8_t { … };
} // end namespace LegacyLegalizeActions
raw_ostream &operator<<(raw_ostream &OS,
                        LegacyLegalizeActions::LegacyLegalizeAction Action);

/// Legalization is decided based on an instruction's opcode, which type slot
/// we're considering, and what the existing type is. These aspects are gathered
/// together for convenience in the InstrAspect class.
struct InstrAspect { … };

/// The result of a query. It either indicates a final answer of Legal or
/// Unsupported or describes an action that must be taken to make an operation
/// more legal.
struct LegacyLegalizeActionStep { … };


class LegacyLegalizerInfo { … };

} // end namespace llvm

#endif // LLVM_CODEGEN_GLOBALISEL_LEGACYLEGALIZERINFO_H