mirror of https://github.com/llvm/torch-mlir
77 lines
2.7 KiB
C++
77 lines
2.7 KiB
C++
//===----------------------------------------------------------------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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// Also available under a BSD-style license. See LICENSE.
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//
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//===----------------------------------------------------------------------===//
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#include "torch-mlir/Conversion/TorchToTosa/TorchToTosa.h"
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#include "../PassDetail.h"
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#include "mlir/Dialect/Tosa/IR/TosaOps.h"
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#include "mlir/Dialect/Traits.h"
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#include "mlir/IR/Matchers.h"
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#include "mlir/Transforms/DialectConversion.h"
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#include "torch-mlir/Dialect/Torch/IR/TorchOps.h"
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#include "torch-mlir/Dialect/TorchConversion/IR/TorchConversionDialect.h"
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#include "torch-mlir/Dialect/TorchConversion/Transforms/BackendTypeConversion.h"
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using namespace mlir;
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using namespace mlir::torch;
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using namespace mlir::torch::Torch;
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namespace {
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class ConvertAtenTanhOp : public OpConversionPattern<AtenTanhOp> {
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public:
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using OpConversionPattern::OpConversionPattern;
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LogicalResult
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matchAndRewrite(AtenTanhOp op, ArrayRef<Value> operands,
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ConversionPatternRewriter &rewriter) const override {
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AtenTanhOp::Adaptor adaptor(operands);
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rewriter.replaceOpWithNewOp<tosa::TanhOp>(
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op, getTypeConverter()->convertType(op.getType()), adaptor.self());
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return success();
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}
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};
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} // namespace
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// -----------------------------------------------------------------------------
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// The pass
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// -----------------------------------------------------------------------------
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namespace {
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class ConvertTorchToTosa
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: public ConvertTorchToTosaBase<ConvertTorchToTosa> {
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public:
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void getDependentDialects(DialectRegistry ®istry) const override {
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registry.insert<tosa::TosaDialect>();
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TorchConversion::getBackendTypeConversionDependentDialects(registry);
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}
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void runOnOperation() override {
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MLIRContext *context = &getContext();
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ConversionTarget target(*context);
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target.addLegalDialect<tosa::TosaDialect>();
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TypeConverter typeConverter;
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typeConverter.addConversion([](Type type) { return type; });
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TorchConversion::setupBackendTypeConversion(target, typeConverter);
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RewritePatternSet patterns(context);
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target.addIllegalOp<AtenTanhOp>();
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patterns.add<ConvertAtenTanhOp>(typeConverter, context);
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if (failed(applyPartialConversion(getOperation(), target,
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std::move(patterns))))
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return signalPassFailure();
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}
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};
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} // namespace
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std::unique_ptr<OperationPass<FuncOp>>
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mlir::torch::createConvertTorchToTosaPass() {
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return std::make_unique<ConvertTorchToTosa>();
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}
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