reference, declarationdefinition
definition → references, declarations, derived classes, virtual overrides
reference to multiple definitions → definitions
unreferenced
    1
    2
    3
    4
    5
    6
    7
    8
    9
   10
   11
   12
   13
   14
   15
   16
   17
   18
   19
   20
   21
   22
   23
   24
   25
   26
   27
   28
   29
   30
   31
   32
   33
   34
   35
   36
   37
   38
   39
   40
   41
   42
   43
   44
   45
   46
   47
//===- lld/Core/PassManager.h - Manage linker passes ----------------------===//
//
// 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
//
//===----------------------------------------------------------------------===//

#ifndef LLD_CORE_PASS_MANAGER_H
#define LLD_CORE_PASS_MANAGER_H

#include "lld/Common/LLVM.h"
#include "lld/Core/Pass.h"
#include "llvm/Support/Error.h"
#include <memory>
#include <vector>

namespace lld {
class SimpleFile;
class Pass;

/// Owns and runs a collection of passes.
///
/// This class is currently just a container for passes and a way to run them.
///
/// In the future this should handle timing pass runs, running parallel passes,
/// and validate/satisfy pass dependencies.
class PassManager {
public:
  void add(std::unique_ptr<Pass> pass) {
    _passes.push_back(std::move(pass));
  }

  llvm::Error runOnFile(SimpleFile &file) {
    for (std::unique_ptr<Pass> &pass : _passes)
      if (llvm::Error EC = pass->perform(file))
        return EC;
    return llvm::Error::success();
  }

private:
  /// Passes in the order they should run.
  std::vector<std::unique_ptr<Pass>> _passes;
};
} // end namespace lld

#endif