llvm/llvm/include/llvm/Transforms/Vectorize/SandboxVectorizer/Legality.h

//===- Legality.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
//
//===----------------------------------------------------------------------===//
//
// Legality checks for the Sandbox Vectorizer.
//

#ifndef LLVM_TRANSFORMS_VECTORIZE_SANDBOXVECTORIZER_LEGALITY_H
#define LLVM_TRANSFORMS_VECTORIZE_SANDBOXVECTORIZER_LEGALITY_H

#include "llvm/ADT/ArrayRef.h"

namespace llvm::sandboxir {

class LegalityAnalysis;
class Value;

enum class LegalityResultID { … };

/// The legality outcome is represented by a class rather than an enum class
/// because in some cases the legality checks are expensive and look for a
/// particular instruction that can be passed along to the vectorizer to avoid
/// repeating the same expensive computation.
class LegalityResult { … };

class Widen final : public LegalityResult { … };

/// Performs the legality analysis and returns a LegalityResult object.
class LegalityAnalysis { … };

} // namespace llvm::sandboxir

#endif // LLVM_TRANSFORMS_VECTORIZE_SANDBOXVECTORIZER_LEGALITY_H