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

//===- InlineScalarOperands.cpp - Pass to inline scalar operands =============//
//
// 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
//
//===----------------------------------------------------------------------===//
//
// This file implements patterns/pass to inline scalar operands into a generic
// operation. A scalar operand is an operand whose indexing map has a constant
// rhs.
//
//===----------------------------------------------------------------------===//

#include "mlir/Dialect/Linalg/Passes.h"

#include "mlir/Dialect/Arith/IR/Arith.h"
#include "mlir/Dialect/Func/IR/FuncOps.h"
#include "mlir/Dialect/Linalg/IR/Linalg.h"
#include "mlir/Dialect/Linalg/Transforms/Transforms.h"
#include "mlir/IR/AffineExpr.h"
#include "mlir/IR/AffineMap.h"
#include "mlir/Transforms/GreedyPatternRewriteDriver.h"

namespace mlir {
#define GEN_PASS_DEF_LINALGINLINESCALAROPERANDSPASS
#include "mlir/Dialect/Linalg/Passes.h.inc"
} // namespace mlir

usingnamespacemlir;
usingnamespacemlir::linalg;

namespace {
struct InlineScalarOperands : public OpRewritePattern<GenericOp> { … };
} // namespace

/// Patterns that are used to inline constant operands into linalg generic
/// ops.
void mlir::linalg::populateInlineConstantOperandsPatterns(
    RewritePatternSet &patterns) { … }

namespace {
/// Pass that removes unit-extent dims within generic ops.
struct LinalgInlineScalarOperandsPass
    : public impl::LinalgInlineScalarOperandsPassBase<
          LinalgInlineScalarOperandsPass> { … };
} // namespace