diff options
Diffstat (limited to 'unittests/IR/ConstantsTest.cpp')
| -rw-r--r-- | unittests/IR/ConstantsTest.cpp | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/unittests/IR/ConstantsTest.cpp b/unittests/IR/ConstantsTest.cpp index 59c9652e2e..b225ba923b 100644 --- a/unittests/IR/ConstantsTest.cpp +++ b/unittests/IR/ConstantsTest.cpp @@ -268,6 +268,18 @@ TEST(ConstantsTest, ReplaceWithConstantTest) { EXPECT_DEATH(Global->replaceAllUsesWith(GEP), "this->replaceAllUsesWith\\(expr\\(this\\)\\) is NOT valid!"); } + +TEST(ConstantsTest, ReplaceInAliasTest) { + std::unique_ptr<Module> M(new Module("MyModule", getGlobalContext())); + + Type *Int32Ty = Type::getInt32Ty(getGlobalContext()); + auto *Global = cast<GlobalObject>(M->getOrInsertGlobal("dummy", Int32Ty)); + auto *GA = new GlobalAlias(Int32Ty, GlobalValue::ExternalLinkage, "alias", + Global, M.get()); + EXPECT_DEATH(Global->replaceAllUsesWith(GA), + "replaceAliasUseWith cannot form an alias cycle"); +} + #endif #endif |