Add GhostLinkage for marking functions before they're fully materialized

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17747 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/include/llvm/GlobalValue.h b/include/llvm/GlobalValue.h
index bba6ff11117419601ad938517c49c9da2dd6e597..5b2c546a01e3ea3640baddf8f249bead346a23f2 100644 (file)
--- a/include/llvm/GlobalValue.h
+++ b/include/llvm/GlobalValue.h
@@ -32,7 +32,8 @@ public:
     LinkOnceLinkage,   // Keep one copy of named function when linking (inline)
     WeakLinkage,       // Keep one copy of named function when linking (weak)
     AppendingLinkage,  // Special purpose, only applies to global arrays
-    InternalLinkage    // Rename collisions when linking (static functions)
+    InternalLinkage,   // Rename collisions when linking (static functions)
+    GhostLinkage       // Stand-in functions for streaming fns from BC files
   };
 protected:
   GlobalValue(const Type *Ty, ValueTy vty, LinkageTypes linkage,