forked from OSchip/llvm-project
53 lines
1.8 KiB
C++
53 lines
1.8 KiB
C++
//===- TosaToSCFPass.cpp - Lowering Tosa to SCF Dialect -------------------===//
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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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//
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//===----------------------------------------------------------------------===//
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//
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// This transformation pass legalizes Tosa operations to the SCF dialect.
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//
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//===----------------------------------------------------------------------===//
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#include "../PassDetail.h"
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#include "mlir/Conversion/TosaToSCF/TosaToSCF.h"
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#include "mlir/Dialect/SCF/SCF.h"
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#include "mlir/Dialect/Tensor/IR/Tensor.h"
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#include "mlir/Dialect/Tosa/IR/TosaOps.h"
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#include "mlir/Dialect/Tosa/Transforms/PassDetail.h"
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#include "mlir/Dialect/Tosa/Transforms/Passes.h"
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#include "mlir/IR/PatternMatch.h"
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#include "mlir/Pass/PassManager.h"
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#include "mlir/Transforms/DialectConversion.h"
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#include "mlir/Transforms/GreedyPatternRewriteDriver.h"
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using namespace mlir;
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using namespace tosa;
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namespace {
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struct TosaToSCF : public TosaToSCFBase<TosaToSCF> {
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public:
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void runOnOperation() override {
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RewritePatternSet patterns(&getContext());
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ConversionTarget target(getContext());
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target.addLegalDialect<tensor::TensorDialect, scf::SCFDialect>();
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target.addIllegalOp<tosa::IfOp, tosa::WhileOp>();
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target.markUnknownOpDynamicallyLegal([](Operation *) { return true; });
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auto *op = getOperation();
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mlir::tosa::populateTosaToSCFConversionPatterns(&patterns);
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if (failed(applyPartialConversion(op, target, std::move(patterns))))
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signalPassFailure();
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}
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};
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} // namespace
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std::unique_ptr<Pass> mlir::tosa::createTosaToSCF() {
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return std::make_unique<TosaToSCF>();
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}
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void mlir::tosa::addTosaToSCFPasses(OpPassManager &pm) {
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pm.addNestedPass<FuncOp>(createTosaToSCF());
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}
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