Move more code back to 2.5 APIs.

llvm-svn: 77635
diff --git a/llvm/lib/Transforms/IPO/LowerSetJmp.cpp b/llvm/lib/Transforms/IPO/LowerSetJmp.cpp
index d2837a3..3a65ac7 100644
--- a/llvm/lib/Transforms/IPO/LowerSetJmp.cpp
+++ b/llvm/lib/Transforms/IPO/LowerSetJmp.cpp
@@ -289,8 +289,7 @@
     Removed = &BB->back();
     // If the removed instructions have any users, replace them now.
     if (!Removed->use_empty())
-      Removed->replaceAllUsesWith(
-        Inst->getContext().getUndef(Removed->getType()));
+      Removed->replaceAllUsesWith(UndefValue::get(Removed->getType()));
     Removed->eraseFromParent();
   } while (Removed != Inst);