1 files changed, 0 insertions, 298 deletions

diff --git a/contrib/llvm/lib/Support/GraphWriter.cpp b/contrib/llvm/lib/Support/GraphWriter.cpp
deleted file mode 100644
index c689a81925d4..000000000000
--- a/contrib/llvm/lib/Support/GraphWriter.cpp
+++ /dev/null
@@ -1,298 +0,0 @@
-//===- GraphWriter.cpp - Implements GraphWriter support routines ----------===//
-//
-// 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 file implements misc. GraphWriter support routines.
-//
-//===----------------------------------------------------------------------===//
-
-#include "llvm/Support/GraphWriter.h"
-#include "llvm/ADT/SmallString.h"
-#include "llvm/ADT/SmallVector.h"
-#include "llvm/ADT/StringRef.h"
-#include "llvm/Config/config.h"
-#include "llvm/Support/CommandLine.h"
-#include "llvm/Support/Compiler.h"
-#include "llvm/Support/ErrorHandling.h"
-#include "llvm/Support/ErrorOr.h"
-#include "llvm/Support/FileSystem.h"
-#include "llvm/Support/Program.h"
-#include "llvm/Support/raw_ostream.h"
-#include <cassert>
-#include <system_error>
-#include <string>
-#include <vector>
-
-using namespace llvm;
-
-static cl::opt<bool> ViewBackground("view-background", cl::Hidden,
-  cl::desc("Execute graph viewer in the background. Creates tmp file litter."));
-
-std::string llvm::DOT::EscapeString(const std::string &Label) {
-  std::string Str(Label);
-  for (unsigned i = 0; i != Str.length(); ++i)
-  switch (Str[i]) {
-    case '\n':
-      Str.insert(Str.begin()+i, '\\');  // Escape character...
-      ++i;
-      Str[i] = 'n';
-      break;
-    case '\t':
-      Str.insert(Str.begin()+i, ' ');  // Convert to two spaces
-      ++i;
-      Str[i] = ' ';
-      break;
-    case '\\':
-      if (i+1 != Str.length())
-        switch (Str[i+1]) {
-          case 'l': continue; // don't disturb \l
-          case '|': case '{': case '}':
-            Str.erase(Str.begin()+i); continue;
-          default: break;
-        }
-        LLVM_FALLTHROUGH;
-    case '{': case '}':
-    case '<': case '>':
-    case '|': case '"':
-      Str.insert(Str.begin()+i, '\\');  // Escape character...
-      ++i;  // don't infinite loop
-      break;
-  }
-  return Str;
-}
-
-/// Get a color string for this node number. Simply round-robin selects
-/// from a reasonable number of colors.
-StringRef llvm::DOT::getColorString(unsigned ColorNumber) {
-  static const int NumColors = 20;
-  static const char* Colors[NumColors] = {
-    "aaaaaa", "aa0000", "00aa00", "aa5500", "0055ff", "aa00aa", "00aaaa",
-    "555555", "ff5555", "55ff55", "ffff55", "5555ff", "ff55ff", "55ffff",
-    "ffaaaa", "aaffaa", "ffffaa", "aaaaff", "ffaaff", "aaffff"};
-  return Colors[ColorNumber % NumColors];
-}
-
-std::string llvm::createGraphFilename(const Twine &Name, int &FD) {
-  FD = -1;
-  SmallString<128> Filename;
-  std::error_code EC = sys::fs::createTemporaryFile(Name, "dot", FD, Filename);
-  if (EC) {
-    errs() << "Error: " << EC.message() << "\n";
-    return "";
-  }
-
-  errs() << "Writing '" << Filename << "'... ";
-  return Filename.str();
-}
-
-// Execute the graph viewer. Return true if there were errors.
-static bool ExecGraphViewer(StringRef ExecPath, std::vector<StringRef> &args,
-                            StringRef Filename, bool wait,
-                            std::string &ErrMsg) {
-  if (wait) {
-    if (sys::ExecuteAndWait(ExecPath, args, None, {}, 0, 0, &ErrMsg)) {
-      errs() << "Error: " << ErrMsg << "\n";
-      return true;
-    }
-    sys::fs::remove(Filename);
-    errs() << " done. \n";
-  } else {
-    sys::ExecuteNoWait(ExecPath, args, None, {}, 0, &ErrMsg);
-    errs() << "Remember to erase graph file: " << Filename << "\n";
-  }
-  return false;
-}
-
-namespace {
-
-struct GraphSession {
-  std::string LogBuffer;
-
-  bool TryFindProgram(StringRef Names, std::string &ProgramPath) {
-    raw_string_ostream Log(LogBuffer);
-    SmallVector<StringRef, 8> parts;
-    Names.split(parts, '|');
-    for (auto Name : parts) {
-      if (ErrorOr<std::string> P = sys::findProgramByName(Name)) {
-        ProgramPath = *P;
-        return true;
-      }
-      Log << "  Tried '" << Name << "'\n";
-    }
-    return false;
-  }
-};
-
-} // end anonymous namespace
-
-static const char *getProgramName(GraphProgram::Name program) {
-  switch (program) {
-  case GraphProgram::DOT:
-    return "dot";
-  case GraphProgram::FDP:
-    return "fdp";
-  case GraphProgram::NEATO:
-    return "neato";
-  case GraphProgram::TWOPI:
-    return "twopi";
-  case GraphProgram::CIRCO:
-    return "circo";
-  }
-  llvm_unreachable("bad kind");
-}
-
-bool llvm::DisplayGraph(StringRef FilenameRef, bool wait,
-                        GraphProgram::Name program) {
-  std::string Filename = FilenameRef;
-  std::string ErrMsg;
-  std::string ViewerPath;
-  GraphSession S;
-
-#ifdef __APPLE__
-  wait &= !ViewBackground;
-  if (S.TryFindProgram("open", ViewerPath)) {
-    std::vector<StringRef> args;
-    args.push_back(ViewerPath);
-    if (wait)
-      args.push_back("-W");
-    args.push_back(Filename);
-    errs() << "Trying 'open' program... ";
-    if (!ExecGraphViewer(ViewerPath, args, Filename, wait, ErrMsg))
-      return false;
-  }
-#endif
-  if (S.TryFindProgram("xdg-open", ViewerPath)) {
-    std::vector<StringRef> args;
-    args.push_back(ViewerPath);
-    args.push_back(Filename);
-    errs() << "Trying 'xdg-open' program... ";
-    if (!ExecGraphViewer(ViewerPath, args, Filename, wait, ErrMsg))
-      return false;
-  }
-
-  // Graphviz
-  if (S.TryFindProgram("Graphviz", ViewerPath)) {
-    std::vector<StringRef> args;
-    args.push_back(ViewerPath);
-    args.push_back(Filename);
-
-    errs() << "Running 'Graphviz' program... ";
-    return ExecGraphViewer(ViewerPath, args, Filename, wait, ErrMsg);
-  }
-
-  // xdot
-  if (S.TryFindProgram("xdot|xdot.py", ViewerPath)) {
-    std::vector<StringRef> args;
-    args.push_back(ViewerPath);
-    args.push_back(Filename);
-
-    args.push_back("-f");
-    args.push_back(getProgramName(program));
-
-    errs() << "Running 'xdot.py' program... ";
-    return ExecGraphViewer(ViewerPath, args, Filename, wait, ErrMsg);
-  }
-
-  enum ViewerKind {
-    VK_None,
-    VK_OSXOpen,
-    VK_XDGOpen,
-    VK_Ghostview,
-    VK_CmdStart
-  };
-  ViewerKind Viewer = VK_None;
-#ifdef __APPLE__
-  if (!Viewer && S.TryFindProgram("open", ViewerPath))
-    Viewer = VK_OSXOpen;
-#endif
-  if (!Viewer && S.TryFindProgram("gv", ViewerPath))
-    Viewer = VK_Ghostview;
-  if (!Viewer && S.TryFindProgram("xdg-open", ViewerPath))
-    Viewer = VK_XDGOpen;
-#ifdef _WIN32
-  if (!Viewer && S.TryFindProgram("cmd", ViewerPath)) {
-    Viewer = VK_CmdStart;
-  }
-#endif
-
-  // PostScript or PDF graph generator + PostScript/PDF viewer
-  std::string GeneratorPath;
-  if (Viewer &&
-      (S.TryFindProgram(getProgramName(program), GeneratorPath) ||
-       S.TryFindProgram("dot|fdp|neato|twopi|circo", GeneratorPath))) {
-    std::string OutputFilename =
-        Filename + (Viewer == VK_CmdStart ? ".pdf" : ".ps");
-
-    std::vector<StringRef> args;
-    args.push_back(GeneratorPath);
-    if (Viewer == VK_CmdStart)
-      args.push_back("-Tpdf");
-    else
-      args.push_back("-Tps");
-    args.push_back("-Nfontname=Courier");
-    args.push_back("-Gsize=7.5,10");
-    args.push_back(Filename);
-    args.push_back("-o");
-    args.push_back(OutputFilename);
-
-    errs() << "Running '" << GeneratorPath << "' program... ";
-
-    if (ExecGraphViewer(GeneratorPath, args, Filename, true, ErrMsg))
-      return true;
-
-    // The lifetime of StartArg must include the call of ExecGraphViewer
-    // because the args are passed as vector of char*.
-    std::string StartArg;
-
-    args.clear();
-    args.push_back(ViewerPath);
-    switch (Viewer) {
-    case VK_OSXOpen:
-      args.push_back("-W");
-      args.push_back(OutputFilename);
-      break;
-    case VK_XDGOpen:
-      wait = false;
-      args.push_back(OutputFilename);
-      break;
-    case VK_Ghostview:
-      args.push_back("--spartan");
-      args.push_back(OutputFilename);
-      break;
-    case VK_CmdStart:
-      args.push_back("/S");
-      args.push_back("/C");
-      StartArg =
-          (StringRef("start ") + (wait ? "/WAIT " : "") + OutputFilename).str();
-      args.push_back(StartArg);
-      break;
-    case VK_None:
-      llvm_unreachable("Invalid viewer");
-    }
-
-    ErrMsg.clear();
-    return ExecGraphViewer(ViewerPath, args, OutputFilename, wait, ErrMsg);
-  }
-
-  // dotty
-  if (S.TryFindProgram("dotty", ViewerPath)) {
-    std::vector<StringRef> args;
-    args.push_back(ViewerPath);
-    args.push_back(Filename);
-
-// Dotty spawns another app and doesn't wait until it returns
-#ifdef _WIN32
-    wait = false;
-#endif
-    errs() << "Running 'dotty' program... ";
-    return ExecGraphViewer(ViewerPath, args, Filename, wait, ErrMsg);
-  }
-
-  errs() << "Error: Couldn't find a usable graph viewer program:\n";
-  errs() << S.LogBuffer << "\n";
-  return true;
-}