Return ConstantVector to 2.5 API.

llvm-svn: 77366
diff --git a/llvm/lib/Analysis/ConstantFolding.cpp b/llvm/lib/Analysis/ConstantFolding.cpp
index 31d4f82..b3c8a77 100644
--- a/llvm/lib/Analysis/ConstantFolding.cpp
+++ b/llvm/lib/Analysis/ConstantFolding.cpp
@@ -264,7 +264,7 @@
         }
       }
       
-      return Context.getConstantVector(Result.data(), Result.size());
+      return ConstantVector::get(Result.data(), Result.size());
     }
   }