Unweaken vtables as per http://llvm.org/docs/CodingStandards.html#ll_virtual_anch

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146960 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/TableGen/Record.cpp b/lib/TableGen/Record.cpp
index 7c2ee22..1d6131c 100644
--- a/lib/TableGen/Record.cpp
+++ b/lib/TableGen/Record.cpp
@@ -81,6 +81,7 @@
 CodeRecTy CodeRecTy::Shared;
 DagRecTy DagRecTy::Shared;
 
+void RecTy::anchor() { }
 void RecTy::dump() const { print(errs()); }
 
 ListRecTy *RecTy::getListTy() {
@@ -444,13 +445,18 @@
 //    Initializer implementations
 //===----------------------------------------------------------------------===//
 
+void Init::anchor() { }
 void Init::dump() const { return print(errs()); }
 
+void UnsetInit::anchor() { }
+
 UnsetInit *UnsetInit::get() {
   static UnsetInit TheInit;
   return &TheInit;
 }
 
+void BitInit::anchor() { }
+
 BitInit *BitInit::get(bool V) {
   static BitInit True(true);
   static BitInit False(false);
@@ -565,6 +571,8 @@
   return BitsInit::get(NewBits);
 }
 
+void StringInit::anchor() { }
+
 StringInit *StringInit::get(const std::string &V) {
   typedef StringMap<StringInit *> Pool;
   static Pool ThePool;
@@ -574,6 +582,8 @@
   return I;
 }
 
+void CodeInit::anchor() { }
+
 CodeInit *CodeInit::get(const std::string &V) {
   typedef StringMap<CodeInit *> Pool;
   static Pool ThePool;
diff --git a/lib/TableGen/TableGenAction.cpp b/lib/TableGen/TableGenAction.cpp
new file mode 100644
index 0000000..54e5083
--- /dev/null
+++ b/lib/TableGen/TableGenAction.cpp
@@ -0,0 +1,15 @@
+//===- TableGenAction.cpp - defines TableGenAction --------------*- C++ -*-===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#include "llvm/TableGen/TableGenAction.h"
+
+using namespace llvm;
+
+void TableGenAction::anchor() { }
+
diff --git a/lib/TableGen/TableGenBackend.cpp b/lib/TableGen/TableGenBackend.cpp
index 29588db..328d9a4 100644
--- a/lib/TableGen/TableGenBackend.cpp
+++ b/lib/TableGen/TableGenBackend.cpp
@@ -15,6 +15,8 @@
 #include "llvm/TableGen/Record.h"
 using namespace llvm;
 
+void TableGenBackend::anchor() { }
+
 void TableGenBackend::EmitSourceFileHeader(const std::string &Desc,
                                            raw_ostream &OS) const {
   OS << "//===- TableGen'erated file -------------------------------------*-"