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//===- lld/Core/PassManager.h - Manage linker passes ----------------------===//
//
// The LLVM Linker
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#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;
/// \brief 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:
/// \brief Passes in the order they should run.
std::vector<std::unique_ptr<Pass>> _passes;
};
} // end namespace lld
#endif
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