Passes.cpp

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//===- Passes.cpp - Pass Utilities ------------------------------*- C++ -*-===//
//
// 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 "circt/Support/Passes.h"
#include "mlir/Transforms/GreedyPatternRewriteDriver.h"
#include "mlir/Transforms/Passes.h"
 
using namespace circt;
 
std::unique_ptr<Pass> circt::createSimpleCanonicalizerPass() {
  mlir::GreedyRewriteConfig config;
  config.setUseTopDownTraversal(true);
  config.setRegionSimplificationLevel(
      mlir::GreedySimplifyRegionLevel::Disabled);
  return mlir::createCanonicalizerPass(config);
}