Imported Upstream version 5.18.0.182

Former-commit-id: f9d55cf82631bfd710c387739687e5845296aea1

external/llvm/tools/llvm-modextract/llvm-modextract.cpp

@@ -1,77 +0,0 @@
-//===-- llvm-modextract.cpp - LLVM module extractor utility ---------------===//
-//
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-//
-// This program is for testing features that rely on multi-module bitcode files.
-// It takes a multi-module bitcode file, extracts one of the modules and writes
-// it to the output file.
-//
-//===----------------------------------------------------------------------===//
-
-#include "llvm/Bitcode/BitcodeReader.h"
-#include "llvm/Bitcode/BitcodeWriter.h"
-#include "llvm/Support/CommandLine.h"
-#include "llvm/Support/Error.h"
-#include "llvm/Support/FileSystem.h"
-#include "llvm/Support/ToolOutputFile.h"
-
-using namespace llvm;
-
-static cl::opt<bool>
-    BinaryExtract("b", cl::desc("Whether to perform binary extraction"));
-
-static cl::opt<std::string> OutputFilename("o", cl::Required,
-                                           cl::desc("Output filename"),
-                                           cl::value_desc("filename"));
-
-static cl::opt<std::string>
-    InputFilename(cl::Positional, cl::desc("<input bitcode>"), cl::init("-"));
-
-static cl::opt<unsigned> ModuleIndex("n", cl::Required,
-                                     cl::desc("Index of module to extract"),
-                                     cl::value_desc("index"));
-
-int main(int argc, char **argv) {
-  cl::ParseCommandLineOptions(argc, argv, "Module extractor");
-
-  ExitOnError ExitOnErr("llvm-modextract: error: ");
-
-  std::unique_ptr<MemoryBuffer> MB =
-      ExitOnErr(errorOrToExpected(MemoryBuffer::getFileOrSTDIN(InputFilename)));
-  std::vector<BitcodeModule> Ms = ExitOnErr(getBitcodeModuleList(*MB));
-
-  LLVMContext Context;
-  if (ModuleIndex >= Ms.size()) {
-    errs() << "llvm-modextract: error: module index out of range; bitcode file "
-              "contains "
-           << Ms.size() << " module(s)\n";
-    return 1;
-  }
-
-  std::error_code EC;
-  std::unique_ptr<ToolOutputFile> Out(
-      new ToolOutputFile(OutputFilename, EC, sys::fs::F_None));
-  ExitOnErr(errorCodeToError(EC));
-
-  if (BinaryExtract) {
-    SmallVector<char, 0> Result;
-    BitcodeWriter Writer(Result);
-    Result.append(Ms[ModuleIndex].getBuffer().begin(),
-                  Ms[ModuleIndex].getBuffer().end());
-    Writer.copyStrtab(Ms[ModuleIndex].getStrtab());
-    Out->os() << Result;
-    Out->keep();
-    return 0;
-  }
-
-  std::unique_ptr<Module> M = ExitOnErr(Ms[ModuleIndex].parseModule(Context));
-  WriteBitcodeToFile(M.get(), Out->os());
-
-  Out->keep();
-  return 0;
-}