1//===- TosaToLinalgPass.cpp - Lowering Tosa to Linalg Dialect -------------===//
2//
3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4// See https://llvm.org/LICENSE.txt for license information.
5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6//
7//===----------------------------------------------------------------------===//
8//
9// This transformation pass legalizes Tosa operations to the Linalg dialect.
10//
11//===----------------------------------------------------------------------===//
12
13#include "mlir/Conversion/TosaToLinalg/TosaToLinalg.h"
14
15#include "mlir/Dialect/Arith/IR/Arith.h"
16#include "mlir/Dialect/Func/IR/FuncOps.h"
17#include "mlir/Dialect/Linalg/IR/Linalg.h"
18#include "mlir/Dialect/Math/IR/Math.h"
19#include "mlir/Dialect/SCF/IR/SCF.h"
20#include "mlir/Dialect/Tensor/IR/Tensor.h"
21#include "mlir/Dialect/Tosa/IR/TosaOps.h"
22#include "mlir/Dialect/Tosa/Transforms/Passes.h"
23#include "mlir/Dialect/Tosa/Utils/QuantUtils.h"
24#include "mlir/IR/PatternMatch.h"
25#include "mlir/Pass/PassManager.h"
26#include "mlir/Transforms/DialectConversion.h"
27#include "mlir/Transforms/GreedyPatternRewriteDriver.h"
28
29namespace mlir {
30#define GEN_PASS_DEF_TOSATOLINALGNAMED
31#include "mlir/Conversion/Passes.h.inc"
32} // namespace mlir
33
34using namespace mlir;
35
36namespace {
37struct TosaToLinalgNamed
38 : public impl::TosaToLinalgNamedBase<TosaToLinalgNamed> {
39public:
40 TosaToLinalgNamed(const TosaToLinalgNamedOptions &options)
41 : impl::TosaToLinalgNamedBase<TosaToLinalgNamed>(options) {}
42
43 void getDependentDialects(DialectRegistry &registry) const override {
44 registry
45 .insert<arith::ArithDialect, linalg::LinalgDialect, math::MathDialect,
46 tensor::TensorDialect, scf::SCFDialect>();
47 }
48
49 void runOnOperation() override {
50 TypeConverter converter;
51 tosa::populateTosaTypeConversion(converter);
52
53 RewritePatternSet patterns(&getContext());
54 ConversionTarget target(getContext());
55 target.addLegalDialect<linalg::LinalgDialect, tosa::TosaDialect,
56 tensor::TensorDialect, scf::SCFDialect>();
57
58 // Not every TOSA op can be legalized to linalg.
59 target.addIllegalOp<tosa::Conv2DOp>();
60 target.addIllegalOp<tosa::Conv3DOp>();
61 target.addIllegalOp<tosa::DepthwiseConv2DOp>();
62 target.addIllegalOp<tosa::MaxPool2dOp>();
63 target.addIllegalOp<tosa::AvgPool2dOp>();
64 target.addIllegalOp<tosa::MatMulOp>();
65 target.addIllegalOp<tosa::TransposeOp>();
66
67 target.markUnknownOpDynamicallyLegal([](Operation *) { return true; });
68
69 FunctionOpInterface func = getOperation();
70 TosaToLinalgNamedOptions options;
71 options.preferConv2DKernelLayoutHWCF = preferConv2DKernelLayoutHWCF;
72 tosa::populateTosaToLinalgNamedConversionPatterns(converter, &patterns,
73 options);
74 if (failed(applyFullConversion(func, target, std::move(patterns))))
75 signalPassFailure();
76 }
77};
78} // namespace
79
80std::unique_ptr<Pass>
81mlir::tosa::createTosaToLinalgNamed(const TosaToLinalgNamedOptions &options) {
82 return std::make_unique<TosaToLinalgNamed>(options);
83}
84

source code of mlir/lib/Conversion/TosaToLinalg/TosaToLinalgNamedPass.cpp