NarrowTypeEmulationConverter.h

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//===- NarrowTypeEmulationConverter.h - Type Converter for NTE -----*- 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
//
//===----------------------------------------------------------------------===//
 
#ifndef MLIR_DIALECT_ARITH_NARROW_TYPE_EMULATION_CONVERTER_H_
#define MLIR_DIALECT_ARITH_NARROW_TYPE_EMULATION_CONVERTER_H_
 
#include "mlir/Transforms/DialectConversion.h"
 
namespace mlir::arith {
/// Converts narrow integer or float types that are not supported
/// by the target hardware to wider types. Currently, we only
/// handle power-of-two integer types and convert them to wider
/// integers that are equal or larger than 8 bits.
class NarrowTypeEmulationConverter : public TypeConverter {
public:
  explicit NarrowTypeEmulationConverter(unsigned targetBitwidth);
 
  unsigned getLoadStoreBitwidth() const { return loadStoreBitwidth; }
 
private:
  unsigned loadStoreBitwidth;
};
} // namespace mlir::arith
 
#endif // MLIR_DIALECT_ARITH_NARROW_TYPE_EMULATION_CONVERTER_H_