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//===- TosaToLinalgPass.cpp - Lowering Tosa to Linalg Dialect -------------===//
//
// 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
//
//===----------------------------------------------------------------------===//
//
// This transformation pass legalizes Tosa operations to the Linalg dialect.
//
//===----------------------------------------------------------------------===//
#include "mlir/Conversion/TosaToLinalg/TosaToLinalg.h"
#include "mlir/Dialect/Arith/IR/Arith.h"
#include "mlir/Dialect/Func/IR/FuncOps.h"
#include "mlir/Dialect/Linalg/IR/Linalg.h"
#include "mlir/Dialect/Math/IR/Math.h"
#include "mlir/Dialect/SCF/IR/SCF.h"
#include "mlir/Dialect/Tensor/IR/Tensor.h"
#include "mlir/Dialect/Tosa/IR/TosaOps.h"
#include "mlir/Dialect/Tosa/Transforms/Passes.h"
#include "mlir/Dialect/Tosa/Utils/QuantUtils.h"
#include "mlir/IR/PatternMatch.h"
#include "mlir/Pass/PassManager.h"
#include "mlir/Transforms/DialectConversion.h"
#include "mlir/Transforms/GreedyPatternRewriteDriver.h"
namespace mlir {
#define GEN_PASS_DEF_TOSATOLINALGNAMED
#include "mlir/Conversion/Passes.h.inc"
} // namespace mlir
using namespace mlir;
namespace {
struct TosaToLinalgNamed
: public impl::TosaToLinalgNamedBase<TosaToLinalgNamed> {
public:
TosaToLinalgNamed(const TosaToLinalgNamedOptions &options)
: impl::TosaToLinalgNamedBase<TosaToLinalgNamed>(options) {}
void getDependentDialects(DialectRegistry ®istry) const override {
registry
.insert<arith::ArithDialect, linalg::LinalgDialect, math::MathDialect,
tensor::TensorDialect, scf::SCFDialect>();
}
void runOnOperation() override {
RewritePatternSet patterns(&getContext());
ConversionTarget target(getContext());
target.addLegalDialect<linalg::LinalgDialect, tosa::TosaDialect,
tensor::TensorDialect, scf::SCFDialect>();
// Not every TOSA op can be legalized to linalg.
target.addIllegalOp<tosa::Conv2DOp>();
target.addIllegalOp<tosa::Conv3DOp>();
target.addIllegalOp<tosa::DepthwiseConv2DOp>();
target.addIllegalOp<tosa::MaxPool2dOp>();
target.addIllegalOp<tosa::AvgPool2dOp>();
target.addIllegalOp<tosa::MatMulOp>();
target.addIllegalOp<tosa::FullyConnectedOp>();
target.addIllegalOp<tosa::TransposeOp>();
target.markUnknownOpDynamicallyLegal([](Operation *) { return true; });
FunctionOpInterface func = getOperation();
TosaToLinalgNamedOptions options;
options.preferConv2DKernelLayoutHWCF = preferConv2DKernelLayoutHWCF;
tosa::populateTosaToLinalgNamedConversionPatterns(&patterns, options);
if (failed(applyFullConversion(func, target, std::move(patterns))))
signalPassFailure();
}
};
} // namespace
std::unique_ptr<Pass>
mlir::tosa::createTosaToLinalgNamed(const TosaToLinalgNamedOptions &options) {
return std::make_unique<TosaToLinalgNamed>(options);
}
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