It's not necessary to do rounding for alloca operations when the requested
alignment is equal to the stack alignment.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40004 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/utils/TableGen/TableGenBackend.cpp b/utils/TableGen/TableGenBackend.cpp
new file mode 100644
index 0000000..d62ba47
--- /dev/null
+++ b/utils/TableGen/TableGenBackend.cpp
@@ -0,0 +1,34 @@
+//===- TableGenBackend.cpp - Base class for TableGen Backends ---*- C++ -*-===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file was developed by the LLVM research group and is distributed under
+// the University of Illinois Open Source License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// This file provides useful services for TableGen backends...
+//
+//===----------------------------------------------------------------------===//
+
+#include "TableGenBackend.h"
+#include "Record.h"
+using namespace llvm;
+
+void TableGenBackend::EmitSourceFileHeader(const std::string &Desc,
+                                           std::ostream &OS) const {
+  OS << "//===- TableGen'erated file -------------------------------------*-"
+       " C++ -*-===//\n//\n// " << Desc << "\n//\n// Automatically generate"
+       "d file, do not edit!\n//\n//===------------------------------------"
+       "----------------------------------===//\n\n";
+}
+
+/// getQualifiedName - Return the name of the specified record, with a
+/// namespace qualifier if the record contains one.
+///
+std::string TableGenBackend::getQualifiedName(Record *R) const {
+  std::string Namespace = R->getValueAsString("Namespace");
+  if (Namespace.empty()) return R->getName();
+  return Namespace + "::" + R->getName();
+}
+