Add support for targets that want to do something with the llvm.used list,

because they have an aggressive linker that does dead code stripping.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30604 91177308-0d34-0410-b5e6-96231b3b80d8

include/llvm/CodeGen/AsmPrinter.h

@@ -197,6 +197,7 @@ namespace llvm {
     void printDataDirective(const Type *type);
 
   private:
+    void EmitLLVMUsedList(Constant *List);
     void EmitXXStructorList(Constant *List);
     void EmitConstantPool(unsigned Alignment, const char *Section,
                 std::vector<std::pair<MachineConstantPoolEntry,unsigned> > &CP);