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/lib/Analysis/ValueTracking.cpp b/lib/Analysis/ValueTracking.cpp
index 70f11f4..0ed0bbd 100644
--- a/lib/Analysis/ValueTracking.cpp
+++ b/lib/Analysis/ValueTracking.cpp
@@ -917,7 +917,7 @@
                                                               idx_begin,
                                                               idx_end));
   else if (isa<ConstantAggregateZero>(V))
-    return Context.getNullValue(ExtractValueInst::getIndexedType(PTy, 
+    return Constant::getNullValue(ExtractValueInst::getIndexedType(PTy, 
                                                                   idx_begin,
                                                                   idx_end));
   else if (Constant *C = dyn_cast<Constant>(V)) {