IR: Remove reference to ENABLE_MDNODE_UNIQUING

Apparently `MDNode` uniquing used to be optional.  I suppose the
configure flag must have disappeared at some point.  Change the test so
it actually tests uniquing, and remove the check for
`ENABLE_MDNODE_UNIQUING`.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@223617 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/unittests/IR/MetadataTest.cpp b/unittests/IR/MetadataTest.cpp
index 4f7bd720d1c36d19b73d99ec771184e32bdda971..1a6f3d2df1614370b39cce721d57d8201135f5d1 100644 (file)
--- a/unittests/IR/MetadataTest.cpp
+++ b/unittests/IR/MetadataTest.cpp
@@ -96,11 +96,7 @@ TEST_F(MDNodeTest, Simple) {
   MDNode *n5 = MDNode::getIfExists(Context, c1);
   MDNode *n6 = MDNode::getIfExists(Context, c2);
   EXPECT_NE(n1, n2);
-#ifdef ENABLE_MDNODE_UNIQUING
   EXPECT_EQ(n1, n3);
-#else
-  (void) n3;
-#endif
   EXPECT_EQ(n4, n1);
   EXPECT_EQ(n5, n2);
   EXPECT_EQ(n6, (Value*)nullptr);