llvm/mlir/lib/Dialect/Linalg/Transforms/SwapExtractSliceWithFillPatterns.cpp

//===- SwapExtractSliceWithFillPatterns.cpp -------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//

#include "mlir/Dialect/Linalg/Transforms/Transforms.h"
#include "mlir/IR/PatternMatch.h"

usingnamespacemlir;
usingnamespacemlir::linalg;

/// Swaps tensor.extract_slice(linalg.fill(%cst, %init)) into linalg.fill(%cst,
/// tensor.extract_slice(%init)) when the linalg.fill op have no other users.
/// This helps to reduce the fill footprint.
struct SwapExtractSliceOfFill final
    : public OpRewritePattern<tensor::ExtractSliceOp> { … };

void mlir::linalg::populateSwapExtractSliceWithFillPatterns(
    RewritePatternSet &patterns) { … }