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C++ opt::data方法代码示例

本文整理汇总了C++中cl::opt::data方法的典型用法代码示例。如果您正苦于以下问题:C++ opt::data方法的具体用法?C++ opt::data怎么用?C++ opt::data使用的例子?那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在cl::opt的用法示例。


在下文中一共展示了opt::data方法的1个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的C++代码示例。

示例1: main

//===----------------------------------------------------------------------===//
int main(int argc, char **argv) {
  // Print a stack trace if we signal out.
  sys::PrintStackTraceOnErrorSignal();
  PrettyStackTraceProgram X(argc, argv);
  llvm_shutdown_obj Y; // Call llvm_shutdown() on exit.

  cl::ParseCommandLineOptions(argc, argv, "LLVM profile data merger\n");

  std::unique_ptr<MemoryBuffer> File1;
  std::unique_ptr<MemoryBuffer> File2;
  if (error_code ec = MemoryBuffer::getFile(Filename1, File1))
    exitWithError(ec.message(), Filename1);
  if (error_code ec = MemoryBuffer::getFile(Filename2, File2))
    exitWithError(ec.message(), Filename2);

  if (OutputFilename.empty())
    OutputFilename = "-";

  std::string ErrorInfo;
  raw_fd_ostream Output(OutputFilename.data(), ErrorInfo, sys::fs::F_Text);
  if (!ErrorInfo.empty())
    exitWithError(ErrorInfo, OutputFilename);

  const char *Start1 = File1->getBufferStart();
  const char *Start2 = File2->getBufferStart();
  const char *End1 = File1->getBufferEnd();
  const char *End2 = File2->getBufferEnd();
  const char *P1 = Start1;
  const char *P2 = Start2;

  StringRef Line1, Line2;
  int64_t Num = 0;
  while (readLine(P1, End1, Line1)) {
    ++Num;
    if (!readLine(P2, End2, Line2))
      exitWithError("truncated file", Filename2, Num);

    std::vector<StringRef> Words1, Words2;
    if (splitWords(Line1, Words1) != splitWords(Line2, Words2))
      exitWithError("data mismatch", Filename2, Num);

    if (Words1.size() > 2)
      exitWithError("invalid data", Filename1, Num);

    if (Words1.empty()) {
      Output << "\n";
      continue;
    }

    if (Words1.size() == 2) {
      if (Words1[0] != Words2[0])
        exitWithError("function name mismatch", Filename2, Num);

      uint64_t N1, N2;
      if (!getNumber(Words1[1], N1))
        exitWithError("bad function count", Filename1, Num);
      if (!getNumber(Words2[1], N2))
        exitWithError("bad function count", Filename2, Num);

      if (N1 != N2)
        exitWithError("function count mismatch", Filename2, Num);

      Output << Line1 << "\n";
      continue;
    }

    uint64_t N1, N2;
    if (!getNumber(Words1[0], N1))
      exitWithError("invalid counter", Filename1, Num);
    if (!getNumber(Words2[0], N2))
      exitWithError("invalid counter", Filename2, Num);

    uint64_t Sum = N1 + N2;
    if (Sum < N1)
      exitWithError("counter overflow", Filename2, Num);

    Output << N1 + N2 << "\n";
  }
  if (readLine(P2, End2, Line2))
    exitWithError("truncated file", Filename1, Num + 1);

  return 0;
}
开发者ID:AmesianX,项目名称:dagger,代码行数:84,代码来源:llvm-profdata.cpp


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