| 1 | //===- MemRefToEmitC.cpp - MemRef to EmitC conversion ---------------------===// |
|---|---|
| 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 file implements a pass to convert memref ops into emitc ops. |
| 10 | // |
| 11 | //===----------------------------------------------------------------------===// |
| 12 | |
| 13 | #include "mlir/Conversion/MemRefToEmitC/MemRefToEmitCPass.h" |
| 14 | |
| 15 | #include "mlir/Conversion/MemRefToEmitC/MemRefToEmitC.h" |
| 16 | #include "mlir/Dialect/EmitC/IR/EmitC.h" |
| 17 | #include "mlir/Dialect/MemRef/IR/MemRef.h" |
| 18 | #include "mlir/Pass/Pass.h" |
| 19 | #include "mlir/Transforms/DialectConversion.h" |
| 20 | |
| 21 | namespace mlir { |
| 22 | #define GEN_PASS_DEF_CONVERTMEMREFTOEMITC |
| 23 | #include "mlir/Conversion/Passes.h.inc" |
| 24 | } // namespace mlir |
| 25 | |
| 26 | using namespace mlir; |
| 27 | |
| 28 | namespace { |
| 29 | struct ConvertMemRefToEmitCPass |
| 30 | : public impl::ConvertMemRefToEmitCBase<ConvertMemRefToEmitCPass> { |
| 31 | void runOnOperation() override { |
| 32 | TypeConverter converter; |
| 33 | |
| 34 | // Fallback for other types. |
| 35 | converter.addConversion([](Type type) -> std::optional<Type> { |
| 36 | if (isa<MemRefType>(type)) |
| 37 | return {}; |
| 38 | return type; |
| 39 | }); |
| 40 | |
| 41 | populateMemRefToEmitCTypeConversion(typeConverter&: converter); |
| 42 | |
| 43 | RewritePatternSet patterns(&getContext()); |
| 44 | populateMemRefToEmitCConversionPatterns(patterns, converter); |
| 45 | |
| 46 | ConversionTarget target(getContext()); |
| 47 | target.addIllegalDialect<memref::MemRefDialect>(); |
| 48 | target.addLegalDialect<emitc::EmitCDialect>(); |
| 49 | |
| 50 | if (failed(applyPartialConversion(getOperation(), target, |
| 51 | std::move(patterns)))) |
| 52 | return signalPassFailure(); |
| 53 | } |
| 54 | }; |
| 55 | } // namespace |
| 56 |