llvm/mlir/lib/Dialect/Tosa/Transforms/TosaDecomposeTransposeConv.cpp

//===- TosaDecomposeTransposeConv.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
//
//===----------------------------------------------------------------------===//
//
// Decompose TOSA TransposeConv operation to a series of TOSA Ops specifically
// (1) Convert a Dilated TransposeConv2D to Conv2D including reversing/reshaping
// etc.. of the weights (2) Convert a Strided TransposeConv2D to Conv2D
// including transposing/reversing/reshaping etc..
//     of the weights and input/output tenors and reversing/reshaping etc .. of
//     the weights
//
//===----------------------------------------------------------------------===//

#include "mlir/Dialect/Tosa/IR/TosaOps.h"
#include "mlir/Dialect/Tosa/Transforms/Passes.h"
#include "mlir/Dialect/Tosa/Utils/ConversionUtils.h"
#include "mlir/Dialect/Tosa/Utils/ShapeUtils.h"
#include "mlir/Pass/Pass.h"

usingnamespacemlir;
usingnamespacemlir::tosa;

namespace {

class TransposeConvNonStridedConverter
    : public OpRewritePattern<tosa::TransposeConv2DOp> { … };

class TransposeConvStridedConverter
    : public OpRewritePattern<tosa::TransposeConv2DOp> { … };

} // namespace

void mlir::tosa::populateTosaDecomposeTransposeConv(
    MLIRContext *ctx, RewritePatternSet &patterns) { … }