This adds a unittest for the support added in r256648 to add
a flag that can be used to prevent RAUW on temporary metadata
used as a map key.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@256938
91177308-0d34-0410-b5e6-
96231b3b80d8
EXPECT_TRUE(T->isTemporary());
}
EXPECT_TRUE(T->isTemporary());
}
+#if defined(GTEST_HAS_DEATH_TEST) && !defined(NDEBUG)
+
+TEST_F(MDNodeTest, deathOnNoReplaceTemporaryRAUW) {
+ auto Temp = MDNode::getTemporary(Context, None);
+ Temp->setCanReplace(false);
+ EXPECT_DEATH(Temp->replaceAllUsesWith(nullptr),
+ "Attempted to replace Metadata marked for no replacement");
+ Temp->setCanReplace(true);
+ // Remove the references to Temp; required for teardown.
+ Temp->replaceAllUsesWith(nullptr);
+}
+
+#endif
+
TEST_F(MDNodeTest, getDistinctWithUnresolvedOperands) {
// temporary !{}
auto Temp = MDTuple::getTemporary(Context, None);
TEST_F(MDNodeTest, getDistinctWithUnresolvedOperands) {
// temporary !{}
auto Temp = MDTuple::getTemporary(Context, None);