File: RegionKindInterface.cpp

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//===- RegionKindInterface.cpp - Region Kind Interfaces ---------*- 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
//
//===----------------------------------------------------------------------===//
//
// This file contains the definitions of the region kind interfaces defined in
// `RegionKindInterface.td`.
//
//===----------------------------------------------------------------------===//

#include "mlir/IR/RegionKindInterface.h"

using namespace mlir;

#include "mlir/IR/RegionKindInterface.cpp.inc"

bool mlir::mayHaveSSADominance(Region &region) {
  auto regionKindOp = dyn_cast<RegionKindInterface>(region.getParentOp());
  if (!regionKindOp)
    return true;
  return regionKindOp.hasSSADominance(region.getRegionNumber());
}

bool mlir::mayBeGraphRegion(Region &region) {
  if (!region.getParentOp()->isRegistered())
    return true;
  auto regionKindOp = dyn_cast<RegionKindInterface>(region.getParentOp());
  if (!regionKindOp)
    return false;
  return !regionKindOp.hasSSADominance(region.getRegionNumber());
}