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//===- TosaToArithPass.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 Arith dialect.
//
//===----------------------------------------------------------------------===//
#include "mlir/Conversion/TosaToArith/TosaToArith.h"
#include "mlir/Dialect/Arith/IR/Arith.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_TOSATOARITH
#include "mlir/Conversion/Passes.h.inc"
} // namespace mlir
using namespace mlir;
using namespace tosa;
namespace {
struct TosaToArith : public impl::TosaToArithBase<TosaToArith> {
public:
TosaToArith(TosaToArithOptions &options) : TosaToArithBase(options) {}
void runOnOperation() override {
RewritePatternSet patterns(&getContext());
ConversionTarget target(getContext());
target.addIllegalOp<tosa::ConstOp>();
target.addLegalDialect<arith::ArithDialect>();
mlir::tosa::populateTosaToArithConversionPatterns(&patterns);
if (this->includeApplyRescale) {
mlir::tosa::populateTosaRescaleToArithConversionPatterns(&patterns,
this->use32Bit);
target.addIllegalOp<tosa::ApplyScaleOp>();
}
if (failed(applyPartialConversion(getOperation(), target,
std::move(patterns))))
signalPassFailure();
}
};
} // namespace
std::unique_ptr<Pass> mlir::tosa::createTosaToArith(bool includeApplyRescale,
bool use32BitApplyRescale) {
TosaToArithOptions options = {includeApplyRescale, use32BitApplyRescale};
return std::make_unique<TosaToArith>(options);
}
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