Move a few more APIs back to 2.5 forms.  The only remaining ones left to change back are
metadata related, which I'm waiting on to avoid conflicting with Devang.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77721 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/docs/tutorial/LangImpl6.html b/docs/tutorial/LangImpl6.html
index 0f714b3..d845eb8 100644
--- a/docs/tutorial/LangImpl6.html
+++ b/docs/tutorial/LangImpl6.html
@@ -1570,7 +1570,7 @@
 
   
   // for expr always returns 0.0.
-  return TheFunction->getContext().getNullValue(Type::DoubleTy);
+  return Constant::getNullValue(Type::DoubleTy);
 }
 
 Function *PrototypeAST::Codegen() {