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 "../PassDetail.h"
14 #include "mlir/Conversion/TosaToLinalg/TosaToLinalg.h"
15 #include "mlir/Dialect/Linalg/IR/LinalgOps.h"
16 #include "mlir/Dialect/StandardOps/IR/Ops.h"
17 #include "mlir/Dialect/Tosa/IR/TosaOps.h"
18 #include "mlir/Dialect/Tosa/Transforms/PassDetail.h"
19 #include "mlir/Dialect/Tosa/Transforms/Passes.h"
20 #include "mlir/Dialect/Tosa/Utils/QuantUtils.h"
21 #include "mlir/IR/PatternMatch.h"
22 #include "mlir/Pass/PassManager.h"
23 #include "mlir/Transforms/DialectConversion.h"
24 #include "mlir/Transforms/GreedyPatternRewriteDriver.h"
25 
26 using namespace mlir;
27 
28 namespace {
29 struct TosaToLinalgOnTensors
30     : public TosaToLinalgOnTensorsBase<TosaToLinalgOnTensors> {
31 public:
getDependentDialects__anon63964bb20111::TosaToLinalgOnTensors32   void getDependentDialects(DialectRegistry &registry) const override {
33     registry.insert<linalg::LinalgDialect, StandardOpsDialect>();
34   }
35 
runOnFunction__anon63964bb20111::TosaToLinalgOnTensors36   void runOnFunction() override {
37     OwningRewritePatternList patterns;
38     ConversionTarget target(getContext());
39     target.addLegalDialect<linalg::LinalgDialect, StandardOpsDialect>();
40     target.addIllegalDialect<tosa::TosaDialect>();
41     target.markUnknownOpDynamicallyLegal([](Operation *) { return true; });
42 
43     FuncOp func = getFunction();
44     mlir::tosa::populateTosaToLinalgOnTensorsConversionPatterns(
45         func.getContext(), &patterns);
46     if (failed(applyFullConversion(func, target, std::move(patterns))))
47       signalPassFailure();
48   }
49 };
50 } // namespace
51 
createTosaToLinalgOnTensors()52 std::unique_ptr<Pass> mlir::tosa::createTosaToLinalgOnTensors() {
53   return std::make_unique<TosaToLinalgOnTensors>();
54 }
55 
addTosaToLinalgOnTensorsPasses(OpPassManager & pm)56 void mlir::tosa::addTosaToLinalgOnTensorsPasses(OpPassManager &pm) {
57   pm.addNestedPass<FuncOp>(createTosaMakeBroadcastablePass());
58   pm.addNestedPass<FuncOp>(createTosaToLinalgOnTensors());
59 }
60