From 5ca98fd98791947eba83a1ed3f2c8191ef7afa6c Mon Sep 17 00:00:00 2001
From: Dimitry Andric <dim@FreeBSD.org>
Date: Mon, 24 Nov 2014 09:08:18 +0000
Subject: Vendor import of llvm RELEASE_350/final tag r216957 (effectively,
 3.5.0 release):
 https://llvm.org/svn/llvm-project/llvm/tags/RELEASE_350/final@216957

---
 utils/FileUpdate/FileUpdate.cpp | 87 -----------------------------------------
 1 file changed, 87 deletions(-)
 delete mode 100644 utils/FileUpdate/FileUpdate.cpp

(limited to 'utils/FileUpdate/FileUpdate.cpp')

diff --git a/utils/FileUpdate/FileUpdate.cpp b/utils/FileUpdate/FileUpdate.cpp
deleted file mode 100644
index fbcd9277cd51..000000000000
--- a/utils/FileUpdate/FileUpdate.cpp
+++ /dev/null
@@ -1,87 +0,0 @@
-//===- FileUpdate.cpp - Conditionally update a file -----------------------===//
-//
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-//
-// FileUpdate is a utility for conditionally updating a file from its input
-// based on whether the input differs from the output. It is used to avoid
-// unnecessary modifications in a build system.
-//
-//===----------------------------------------------------------------------===//
-
-#include "llvm/ADT/OwningPtr.h"
-#include "llvm/Support/CommandLine.h"
-#include "llvm/Support/MemoryBuffer.h"
-#include "llvm/Support/PrettyStackTrace.h"
-#include "llvm/Support/Signals.h"
-#include "llvm/Support/ToolOutputFile.h"
-#include "llvm/Support/system_error.h"
-using namespace llvm;
-
-static cl::opt<bool>
-Quiet("quiet", cl::desc("Don't print unnecessary status information"),
-      cl::init(false));
-
-static cl::opt<std::string>
-InputFilename("input-file", cl::desc("Input file (defaults to stdin)"),
-              cl::init("-"), cl::value_desc("filename"));
-
-static cl::opt<std::string>
-OutputFilename(cl::Positional, cl::desc("<output-file>"), cl::Required);
-
-int main(int argc, char **argv) {
-  sys::PrintStackTraceOnErrorSignal();
-  PrettyStackTraceProgram X(argc, argv);
-  cl::ParseCommandLineOptions(argc, argv);
-
-  if (OutputFilename == "-") {
-    errs() << argv[0] << ": error: Can't update standard output\n";
-    return 1;
-  }
-
-  // Get the input data.
-  OwningPtr<MemoryBuffer> In;
-  if (error_code ec = MemoryBuffer::getFileOrSTDIN(InputFilename, In)) {
-    errs() << argv[0] << ": error: Unable to get input '"
-           << InputFilename << "': " << ec.message() << '\n';
-    return 1;
-  }
-
-  // Get the output data.
-  OwningPtr<MemoryBuffer> Out;
-  MemoryBuffer::getFile(OutputFilename.c_str(), Out);
-
-  // If the output exists and the contents match, we are done.
-  if (Out && In->getBufferSize() == Out->getBufferSize() &&
-      memcmp(In->getBufferStart(), Out->getBufferStart(),
-             Out->getBufferSize()) == 0) {
-    if (!Quiet)
-      errs() << argv[0] << ": Not updating '" << OutputFilename
-             << "', contents match input.\n";
-    return 0;
-  }
-
-  // Otherwise, overwrite the output.
-  if (!Quiet)
-    errs() << argv[0] << ": Updating '" << OutputFilename
-           << "', contents changed.\n";
-  std::string ErrorStr;
-  tool_output_file OutStream(OutputFilename.c_str(), ErrorStr,
-                             sys::fs::F_Binary);
-  if (!ErrorStr.empty()) {
-    errs() << argv[0] << ": Unable to write output '"
-           << OutputFilename << "': " << ErrorStr << '\n';
-    return 1;
-  }
-
-  OutStream.os().write(In->getBufferStart(), In->getBufferSize());
-
-  // Declare success.
-  OutStream.keep();
-
-  return 0;
-}
-- 
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