llvm/mlir/lib/Dialect/Affine/Transforms/AffineParallelize.cpp

//===- AffineParallelize.cpp - Affineparallelize Pass---------------------===//
//
// 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 a parallelizer for affine loop nests that is able to
// perform inner or outer loop parallelization.
//
//===----------------------------------------------------------------------===//

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

#include "mlir/Dialect/Affine/Analysis/AffineAnalysis.h"
#include "mlir/Dialect/Affine/Analysis/AffineStructures.h"
#include "mlir/Dialect/Affine/Analysis/LoopAnalysis.h"
#include "mlir/Dialect/Affine/Analysis/Utils.h"
#include "mlir/Dialect/Affine/IR/AffineOps.h"
#include "mlir/Dialect/Affine/IR/AffineValueMap.h"
#include "mlir/Dialect/Affine/LoopUtils.h"
#include "mlir/Dialect/Affine/Passes.h.inc"
#include "mlir/Dialect/Affine/Utils.h"
#include "mlir/Dialect/Func/IR/FuncOps.h"
#include "llvm/Support/Debug.h"
#include <deque>

namespace mlir {
namespace affine {
#define GEN_PASS_DEF_AFFINEPARALLELIZE
#include "mlir/Dialect/Affine/Passes.h.inc"
} // namespace affine
} // namespace mlir

#define DEBUG_TYPE …

usingnamespacemlir;
usingnamespacemlir::affine;

namespace {
/// Convert all parallel affine.for op into 1-D affine.parallel op.
struct AffineParallelize
    : public affine::impl::AffineParallelizeBase<AffineParallelize> { … };

/// Descriptor of a potentially parallelizable loop.
struct ParallelizationCandidate { … };
} // namespace

void AffineParallelize::runOnOperation() { … }

std::unique_ptr<OperationPass<func::FuncOp>>
mlir::affine::createAffineParallelizePass() { … }