Update unittest for LLVM API change.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77730 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/unittests/Support/ValueHandleTest.cpp b/unittests/Support/ValueHandleTest.cpp
index 833c684..d9a5515 100644
--- a/unittests/Support/ValueHandleTest.cpp
+++ b/unittests/Support/ValueHandleTest.cpp
@@ -312,11 +312,11 @@
   RVH = BitcastV.get();
   std::auto_ptr<BinaryOperator> BitcastUser(
     BinaryOperator::CreateAdd(RVH, 
-                              getGlobalContext().getNullValue(Type::Int32Ty)));
+                              Constant::getNullValue(Type::Int32Ty)));
   EXPECT_EQ(BitcastV.get(), BitcastUser->getOperand(0));
   BitcastV.reset();  // Would crash without the ValueHandler.
-  EXPECT_EQ(getGlobalContext().getNullValue(Type::Int32Ty), RVH.AURWArgument);
-  EXPECT_EQ(getGlobalContext().getNullValue(Type::Int32Ty),
+  EXPECT_EQ(Constant::getNullValue(Type::Int32Ty), RVH.AURWArgument);
+  EXPECT_EQ(Constant::getNullValue(Type::Int32Ty),
             BitcastUser->getOperand(0));
 }