Emit module-level constants.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36384 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Bitcode/Writer/ValueEnumerator.cpp b/lib/Bitcode/Writer/ValueEnumerator.cpp
index 75a8c6d..f4b7a76 100644
--- a/lib/Bitcode/Writer/ValueEnumerator.cpp
+++ b/lib/Bitcode/Writer/ValueEnumerator.cpp
@@ -56,9 +56,12 @@
     
   
   // FIXME: std::partition the type and value tables so that first-class types
-  // come earlier than aggregates.
+  // come earlier than aggregates.  FIXME: Emit a marker into the module
+  // indicating which aggregates types AND values can be dropped form the table.
   
   // FIXME: Sort type/value tables by frequency.
+    
+  // FIXME: Sort constants by type to reduce size.
 }
 
 /// EnumerateTypeSymbolTable - Insert all of the types in the specified symbol