1 files changed, 37 insertions, 0 deletions
diff --git a/contrib/llvm/lib/TableGen/TableGenBackend.cpp b/contrib/llvm/lib/TableGen/TableGenBackend.cpp
new file mode 100644
index 0000000..7c8367a
--- /dev/null
+++ b/contrib/llvm/lib/TableGen/TableGenBackend.cpp
@@ -0,0 +1,37 @@
+//===- TableGenBackend.cpp - Utilities for TableGen Backends ----*- C++ -*-===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// This file provides useful services for TableGen backends...
+//
+//===----------------------------------------------------------------------===//
+
+#include "llvm/ADT/Twine.h"
+#include "llvm/Support/raw_ostream.h"
+#include "llvm/TableGen/TableGenBackend.h"
+using namespace llvm;
+
+static void printLine(raw_ostream &OS, const Twine &Prefix, char Fill,
+                      StringRef Suffix) {
+  uint64_t Pos = OS.tell();
+  OS << Prefix;
+  for (unsigned i = OS.tell() - Pos, e = 80 - Suffix.size(); i != e; ++i)
+    OS << Fill;
+  OS << Suffix << '\n';
+}
+
+void llvm::emitSourceFileHeader(StringRef Desc, raw_ostream &OS) {
+  printLine(OS, "/*===- TableGen'erated file ", '-', "*- C++ -*-===*\\");
+  printLine(OS, "|*", ' ', "*|");
+  printLine(OS, "|* " + Desc, ' ', "*|");
+  printLine(OS, "|*", ' ', "*|");
+  printLine(OS, "|* Automatically generated file, do not edit!", ' ', "*|");
+  printLine(OS, "|*", ' ', "*|");
+  printLine(OS, "\\*===", '-', "===*/");
+  OS << '\n';
+}