[weak vtables] Remove a bunch of weak vtables

This patch removes most of the trivial cases of weak vtables by pinning them to
a single object file.

Differential Revision: http://llvm-reviews.chandlerc.com/D2068

Reviewed by Andy

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@194865 91177308-0d34-0410-b5e6-96231b3b80d8

lib/Target/XCore/XCoreInstrInfo.cpp

@@ -22,7 +22,7 @@
 #include "llvm/Support/ErrorHandling.h"
 #include "llvm/Support/TargetRegistry.h"
 
-#define GET_INSTRINFO_CTOR
+#define GET_INSTRINFO_CTOR_DTOR
 #include "XCoreGenInstrInfo.inc"
 
 namespace llvm {
@@ -39,6 +39,10 @@ namespace XCore {
 
 using namespace llvm;
 
+
+// pin vtable to this file
+void XCoreInstrInfo::anchor() {}
+
 XCoreInstrInfo::XCoreInstrInfo()
   : XCoreGenInstrInfo(XCore::ADJCALLSTACKDOWN, XCore::ADJCALLSTACKUP),
     RI() {