llvm/mlir/lib/Transforms/Canonicalizer.cpp

//===- Canonicalizer.cpp - Canonicalize MLIR operations -------------------===//
//
// 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 transformation pass converts operations into their canonical forms by
// folding constants, applying operation identity transformations etc.
//
//===----------------------------------------------------------------------===//

#include "mlir/Transforms/Passes.h"

#include "mlir/Pass/Pass.h"
#include "mlir/Transforms/GreedyPatternRewriteDriver.h"

namespace mlir {
#define GEN_PASS_DEF_CANONICALIZER
#include "mlir/Transforms/Passes.h.inc"
} // namespace mlir

usingnamespacemlir;

namespace {
/// Canonicalize operations in nested regions.
struct Canonicalizer : public impl::CanonicalizerBase<Canonicalizer> { … };
} // namespace

/// Create a Canonicalizer pass.
std::unique_ptr<Pass> mlir::createCanonicalizerPass() { … }

/// Creates an instance of the Canonicalizer pass with the specified config.
std::unique_ptr<Pass>
mlir::createCanonicalizerPass(const GreedyRewriteConfig &config,
                              ArrayRef<std::string> disabledPatterns,
                              ArrayRef<std::string> enabledPatterns) { … }