add a new hook to allow targets to splat stuff at the end of the file.

Overriding doFinalization is pretty lame.

llvm-svn: 82268

llvm/include/llvm/CodeGen/AsmPrinter.h

@@ -169,6 +169,10 @@ namespace llvm {
     /// call this implementation.
     bool doInitialization(Module &M);
 
+    /// EmitEndOfAsmFile - This virtual method can be overridden by targets that
+    /// want to emit something at the end of their file.
+    virtual void EmitEndOfAsmFile(Module &M) {}
+    
     /// doFinalization - Shut down the asmprinter.  If you override this in your
     /// pass, you must make sure to call it explicitly.
     bool doFinalization(Module &M);

llvm/lib/CodeGen/AsmPrinter/AsmPrinter.cpp

@@ -208,6 +208,11 @@ bool AsmPrinter::doFinalization(Module &M) {
     if (MAI->getNonexecutableStackDirective())
       O << MAI->getNonexecutableStackDirective() << '\n';
 
+  
+  // Allow the target to emit any magic that it wants at the end of the file,
+  // after everything else has gone out.
+  EmitEndOfAsmFile(M);
+  
   delete Mang; Mang = 0;
   DW = 0; MMI = 0;