make AsmPrinter::doFinalization iterate over the global variables

and call PrintGlobalVariable, allowing elimination and simplification
of various targets.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76604 91177308-0d34-0410-b5e6-96231b3b80d8

include/llvm/CodeGen/AsmPrinter.h

@@ -211,6 +211,11 @@ namespace llvm {
                                        unsigned AsmVariant, 
                                        const char *ExtraCode);
     
+    
+    /// PrintGlobalVariable - Emit the specified global variable and its
+    /// initializer to the output stream.
+    virtual void PrintGlobalVariable(const GlobalVariable *GV) = 0;
+    
     /// SetupMachineFunction - This should be called when a new MachineFunction
     /// is being processed from runOnMachineFunction.
     void SetupMachineFunction(MachineFunction &MF);