llvm-project/mlir/lib/Conversion/TosaToTensor/TosaToTensorPass.cpp

54 lines
1.8 KiB
C++

//===- TosaToTensorPass.cpp - Lowering Tosa to Tensor 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 Tensor dialect.
//
//===----------------------------------------------------------------------===//
#include "mlir/Conversion/TosaToTensor/TosaToTensor.h"
#include "mlir/Dialect/Arith/IR/Arith.h"
#include "mlir/Dialect/Tensor/IR/Tensor.h"
#include "mlir/Dialect/Tosa/IR/TosaOps.h"
#include "mlir/Dialect/Tosa/Transforms/Passes.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_TOSATOTENSOR
#include "mlir/Conversion/Passes.h.inc"
} // namespace mlir
using namespace mlir;
using namespace tosa;
namespace {
struct TosaToTensor : public impl::TosaToTensorBase<TosaToTensor> {
public:
void runOnOperation() override {
RewritePatternSet patterns(&getContext());
ConversionTarget target(getContext());
target.addIllegalOp<tosa::SliceOp>();
target.addLegalDialect<arith::ArithDialect>();
target.addLegalDialect<tensor::TensorDialect>();
mlir::tosa::populateTosaToTensorConversionPatterns(&patterns);
if (failed(applyPartialConversion(getOperation(), target,
std::move(patterns))))
signalPassFailure();
}
};
} // namespace
std::unique_ptr<Pass> mlir::tosa::createTosaToTensor() {
return std::make_unique<TosaToTensor>();
}