PassDetail.h

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//===- PassDetail.h - MLIR Pass details -------------------------*- C++ -*-===//
//
// Part of the MLIR 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
//
//===----------------------------------------------------------------------===//
#ifndef MLIR_PASS_PASSDETAIL_H_
#define MLIR_PASS_PASSDETAIL_H_

#include "mlir/Pass/Pass.h"
#include "mlir/Pass/PassManager.h"

namespace mlir {
namespace detail {

//===----------------------------------------------------------------------===//
// Verifier Pass
//===----------------------------------------------------------------------===//

class VerifierPass : public OperationPass<VerifierPass> {
  void runOnOperation() override;
};

//===----------------------------------------------------------------------===//
// OpToOpPassAdaptor
//===----------------------------------------------------------------------===//

class OpToOpPassAdaptorBase {
public:
  OpToOpPassAdaptorBase(OpPassManager &&mgr);
  OpToOpPassAdaptorBase(const OpToOpPassAdaptorBase &rhs) = default;

  void mergeInto(OpToOpPassAdaptorBase &rhs);

  MutableArrayRef<OpPassManager> getPassManagers() { return mgrs; }

  std::string getName();

protected:
  // A set of adaptors to run.
  SmallVector<OpPassManager, 1> mgrs;
};

class OpToOpPassAdaptor : public OperationPass<OpToOpPassAdaptor>,
                          public OpToOpPassAdaptorBase {
public:
  OpToOpPassAdaptor(OpPassManager &&mgr);

  void runOnOperation() override;
};

class OpToOpPassAdaptorParallel
    : public OperationPass<OpToOpPassAdaptorParallel>,
      public OpToOpPassAdaptorBase {
public:
  OpToOpPassAdaptorParallel(OpPassManager &&mgr);

  void runOnOperation() override;

  MutableArrayRef<SmallVector<OpPassManager, 1>> getParallelPassManagers() {
    return asyncExecutors;
  }

private:
  // A set of executors, cloned from the main executor, that run asynchronously
  // on different threads.
  SmallVector<SmallVector<OpPassManager, 1>, 8> asyncExecutors;
};

OpToOpPassAdaptorBase *getAdaptorPassBase(Pass *pass);

inline bool isAdaptorPass(Pass *pass) {
  return isa<OpToOpPassAdaptorParallel>(pass) || isa<OpToOpPassAdaptor>(pass);
}

} // end namespace detail
} // end namespace mlir
#endif // MLIR_PASS_PASSDETAIL_H_