Subversion Repositories QNX 8.QNX8 LLVM/Clang compiler suite

//===- ThinLTOBitcodeWriter.h - Bitcode writing pass for ThinLTO ----------===//

//

// 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 pass prepares a module containing type metadata for ThinLTO by splitting

// it into regular and thin LTO parts if possible, and writing both parts to

// a multi-module bitcode file. Modules that do not contain type metadata are

// written unmodified as a single module.

//

//===----------------------------------------------------------------------===//

#ifndef LLVM_TRANSFORMS_IPO_THINLTOBITCODEWRITER_H

#define LLVM_TRANSFORMS_IPO_THINLTOBITCODEWRITER_H

#include <llvm/IR/PassManager.h>

namespace llvm {

class Module;

class raw_ostream;

class ThinLTOBitcodeWriterPass

    : public PassInfoMixin<ThinLTOBitcodeWriterPass> {

  raw_ostream &OS;

  raw_ostream *ThinLinkOS;

public:

  // Writes bitcode to OS. Also write thin link file to ThinLinkOS, if

  // it's not nullptr.

  ThinLTOBitcodeWriterPass(raw_ostream &OS, raw_ostream *ThinLinkOS)

      : OS(OS), ThinLinkOS(ThinLinkOS) {}

  PreservedAnalyses run(Module &M, ModuleAnalysisManager &AM);

  static bool isRequired() { return true; }

};

} // namespace llvm

#endif