| 1 | //===- SwapExtractSliceWithProducerPatterns.cpp ---------------------------===// |
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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 | // Swap a `tensor.extract_slice` with the producer of the source if the producer |
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| 10 | // implements the `TilingInterface`. When used in conjunction with tiling this |
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| 11 | // effectively tiles + fuses the producer with its consumer. |
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| 12 | // |
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| 13 | //===----------------------------------------------------------------------===// |
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| 14 | |
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| 15 | #include "mlir/Dialect/Arith/IR/Arith.h" |
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| 16 | #include "mlir/Dialect/Tensor/IR/Tensor.h" |
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| 17 | #include "mlir/Dialect/Tensor/Transforms/Transforms.h" |
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| 18 | #include "mlir/Dialect/Utils/StaticValueUtils.h" |
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| 19 | #include "mlir/Interfaces/TilingInterface.h" |
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| 20 | |
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| 21 | using namespace mlir; |
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| 22 | |
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| 23 | FailureOr<TilingResult> tensor::( |
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| 24 | OpBuilder &builder, tensor::ExtractSliceOp sliceOp, OpResult producer) { |
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| 25 | auto producerOp = dyn_cast<TilingInterface>(producer.getOwner()); |
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| 26 | if (!producerOp) |
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| 27 | return failure(); |
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| 28 | |
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| 29 | // `TilingInterface` currently only supports strides being 1. |
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| 30 | if (!llvm::all_of(sliceOp.getMixedStrides(), isOneInteger)) |
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| 31 | return failure(); |
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| 32 | |
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| 33 | FailureOr<TilingResult> tiledResult = producerOp.generateResultTileValue( |
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| 34 | builder, producer.getResultNumber(), sliceOp.getMixedOffsets(), |
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| 35 | sliceOp.getMixedSizes()); |
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| 36 | if (failed(Result: tiledResult)) |
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| 37 | return failure(); |
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| 38 | |
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| 39 | return *tiledResult; |
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| 40 | } |
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| 41 | |
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| 42 | FailureOr<TilingResult> tensor::replaceInsertSliceWithTiledConsumer( |
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| 43 | OpBuilder &builder, OffsetSizeAndStrideOpInterface sliceOp, |
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| 44 | OpOperand &consumer) { |
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| 45 | auto consumerOp = dyn_cast<TilingInterface>(consumer.getOwner()); |
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| 46 | if (!consumerOp) |
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| 47 | return failure(); |
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| 48 | |
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| 49 | // `TilingInterface` currently only supports strides being 1. |
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| 50 | if (!llvm::all_of(sliceOp.getMixedStrides(), isOneInteger)) |
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| 51 | return failure(); |
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| 52 | |
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| 53 | FailureOr<TilingResult> tiledResult = |
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| 54 | consumerOp.getTiledImplementationFromOperandTile( |
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| 55 | builder, consumer.getOperandNumber(), sliceOp.getMixedOffsets(), |
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| 56 | sliceOp.getMixedSizes()); |
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| 57 | if (failed(Result: tiledResult)) |
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| 58 | return failure(); |
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| 59 | |
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| 60 | return *tiledResult; |
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| 61 | } |
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| 62 | |
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