llvm/mlir/lib/Conversion/BufferizationToMemRef/BufferizationToMemRef.cpp

//===- BufferizationToMemRef.cpp - Bufferization to MemRef conversion -----===//
//
// 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 to convert Bufferization dialect to MemRef
// dialect.
//
//===----------------------------------------------------------------------===//

#include "mlir/Conversion/BufferizationToMemRef/BufferizationToMemRef.h"

#include "mlir/Dialect/Arith/IR/Arith.h"
#include "mlir/Dialect/Bufferization/IR/Bufferization.h"
#include "mlir/Dialect/Bufferization/Transforms/Passes.h"
#include "mlir/Dialect/Func/IR/FuncOps.h"
#include "mlir/Dialect/MemRef/IR/MemRef.h"
#include "mlir/Dialect/SCF/IR/SCF.h"
#include "mlir/IR/BuiltinTypes.h"
#include "mlir/Pass/Pass.h"
#include "mlir/Transforms/DialectConversion.h"

namespace mlir {
#define GEN_PASS_DEF_CONVERTBUFFERIZATIONTOMEMREF
#include "mlir/Conversion/Passes.h.inc"
} // namespace mlir

usingnamespacemlir;

namespace {
/// The CloneOpConversion transforms all bufferization clone operations into
/// memref alloc and memref copy operations. In the dynamic-shape case, it also
/// emits additional dim and constant operations to determine the shape. This
/// conversion does not resolve memory leaks if it is used alone.
struct CloneOpConversion : public OpConversionPattern<bufferization::CloneOp> { … };

} // namespace

namespace {
struct BufferizationToMemRefPass
    : public impl::ConvertBufferizationToMemRefBase<BufferizationToMemRefPass> { … };
} // namespace

std::unique_ptr<Pass> mlir::createBufferizationToMemRefPass() { … }