torch-mlir/lib/Dialect/TorchConversion/IR/TorchConversionOps.cpp

//===----------------------------------------------------------------------===//
//
// 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
//
//===----------------------------------------------------------------------===//

#include "npcomp/Dialect/TorchConversion/IR/TorchConversionOps.h"

#include "mlir/IR/Builders.h"
#include "mlir/IR/BuiltinOps.h"
#include "mlir/IR/PatternMatch.h"
#include "mlir/IR/TypeUtilities.h"
#include "npcomp/Dialect/Torch/IR/TorchTypes.h"
#include "llvm/ADT/StringMap.h"

using namespace mlir;
using namespace mlir::NPCOMP;
using namespace mlir::NPCOMP::TorchConversion;

//===----------------------------------------------------------------------===//
// ToBuiltinTensorOp
//===----------------------------------------------------------------------===//

LogicalResult ToBuiltinTensorOp::inferReturnTypes(
    MLIRContext *context, Optional<Location> location, ValueRange operands,
    DictionaryAttr attributes, RegionRange regions,
    SmallVectorImpl<Type> &inferredReturnTypes) {
  auto resultType =
      operands[0].getType().cast<Torch::ValueTensorType>().toBuiltinTensor();
  if (!resultType)
    return failure();
  inferredReturnTypes.push_back(resultType);
  return success();
}

//===----------------------------------------------------------------------===//
// FromBuiltinTensorOp
//===----------------------------------------------------------------------===//

LogicalResult FromBuiltinTensorOp::inferReturnTypes(
    MLIRContext *context, Optional<Location> location, ValueRange operands,
    DictionaryAttr attributes, RegionRange regions,
    SmallVectorImpl<Type> &inferredReturnTypes) {
  inferredReturnTypes.push_back(Torch::ValueTensorType::getFromShaped(
      operands[0].getType().cast<TensorType>()));
  return success();
}

#define GET_OP_CLASSES
#include "npcomp/Dialect/TorchConversion/IR/TorchConversionOps.cpp.inc"