| 1 | //===- PDLExtension.cpp - PDL extension for the Transform dialect ---------===// |
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| 2 | // |
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| 3 | // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
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| 4 | // See https://llvm.org/LICENSE.txt for license information. |
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| 5 | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
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| 6 | // |
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| 7 | //===----------------------------------------------------------------------===// |
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| 8 | |
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| 9 | #include "mlir/Dialect/Transform/PDLExtension/PDLExtension.h" |
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| 10 | #include "mlir/Dialect/PDL/IR/PDL.h" |
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| 11 | #include "mlir/Dialect/PDL/IR/PDLTypes.h" |
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| 12 | #include "mlir/Dialect/PDLInterp/IR/PDLInterp.h" |
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| 13 | #include "mlir/Dialect/Transform/IR/TransformDialect.h" |
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| 14 | #include "mlir/Dialect/Transform/PDLExtension/PDLExtensionOps.h" |
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| 15 | #include "mlir/IR/DialectRegistry.h" |
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| 16 | |
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| 17 | using namespace mlir; |
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| 18 | |
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| 19 | namespace { |
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| 20 | /// Implementation of the TransformHandleTypeInterface for the PDL |
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| 21 | /// OperationType. Accepts any payload operation. |
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| 22 | struct PDLOperationTypeTransformHandleTypeInterfaceImpl |
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| 23 | : public transform::TransformHandleTypeInterface::ExternalModel< |
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| 24 | PDLOperationTypeTransformHandleTypeInterfaceImpl, |
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| 25 | pdl::OperationType> { |
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| 26 | |
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| 27 | /// Accept any operation. |
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| 28 | DiagnosedSilenceableFailure |
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| 29 | checkPayload(Type type, Location loc, ArrayRef<Operation *> payload) const { |
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| 30 | return DiagnosedSilenceableFailure::success(); |
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| 31 | } |
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| 32 | }; |
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| 33 | } // namespace |
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| 34 | |
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| 35 | namespace { |
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| 36 | /// PDL extension of the Transform dialect. This provides transform operations |
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| 37 | /// that connect to PDL matching as well as interfaces for PDL types to be used |
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| 38 | /// with Transform dialect operations. |
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| 39 | class PDLExtension : public transform::TransformDialectExtension<PDLExtension> { |
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| 40 | public: |
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| 41 | void init() { |
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| 42 | registerTransformOps< |
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| 43 | #define GET_OP_LIST |
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| 44 | #include "mlir/Dialect/Transform/PDLExtension/PDLExtensionOps.cpp.inc" |
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| 45 | >(); |
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| 46 | |
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| 47 | addDialectDataInitializer<transform::PDLMatchHooks>( |
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| 48 | [](transform::PDLMatchHooks &) {}); |
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| 49 | |
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| 50 | // Declare PDL as dependent so we can attach an interface to its type in the |
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| 51 | // later step. |
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| 52 | declareDependentDialect<pdl::PDLDialect>(); |
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| 53 | |
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| 54 | // PDLInterp is only relevant if we actually apply the transform IR so |
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| 55 | // declare it as generated. |
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| 56 | declareGeneratedDialect<pdl_interp::PDLInterpDialect>(); |
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| 57 | |
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| 58 | // Make PDL OperationType usable as a transform dialect type. |
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| 59 | addCustomInitializationStep([](MLIRContext *context) { |
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| 60 | pdl::OperationType::attachInterface< |
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| 61 | PDLOperationTypeTransformHandleTypeInterfaceImpl>(*context); |
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| 62 | }); |
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| 63 | } |
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| 64 | }; |
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| 65 | } // namespace |
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| 66 | |
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| 67 | void mlir::transform::registerPDLExtension(DialectRegistry &dialectRegistry) { |
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| 68 | dialectRegistry.addExtensions<PDLExtension>(); |
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| 69 | } |
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| 70 | |
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