move production of .reference directives for static ctor/dtor list on
darwin into common code.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@93849 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/AsmPrinter/AsmPrinter.cpp b/lib/CodeGen/AsmPrinter/AsmPrinter.cpp
index 3beb4d6..9a19f81 100644
--- a/lib/CodeGen/AsmPrinter/AsmPrinter.cpp
+++ b/lib/CodeGen/AsmPrinter/AsmPrinter.cpp
@@ -449,6 +449,10 @@
     OutStreamer.SwitchSection(getObjFileLowering().getStaticCtorSection());
     EmitAlignment(Align, 0);
     EmitXXStructorList(GV->getInitializer());
+    
+    if (TM.getRelocationModel() == Reloc::Static &&
+        MAI->hasStaticCtorDtorReferenceInStaticMode())
+      O << ".reference .constructors_used\n";
     return true;
   } 
   
@@ -456,6 +460,10 @@
     OutStreamer.SwitchSection(getObjFileLowering().getStaticDtorSection());
     EmitAlignment(Align, 0);
     EmitXXStructorList(GV->getInitializer());
+
+    if (TM.getRelocationModel() == Reloc::Static &&
+        MAI->hasStaticCtorDtorReferenceInStaticMode())
+      O << ".reference .destructors_used\n";
     return true;
   }