Reject uses of unnamed_addr in declarations.

llvm-svn: 123358

1 files changed, 26 insertions, 0 deletions

diff --git a/llvm/unittests/VMCore/VerifierTest.cpp b/llvm/unittests/VMCore/VerifierTest.cpp
index 55ce1444ed0..d94dc22306e 100644
--- a/llvm/unittests/VMCore/VerifierTest.cpp
+++ b/llvm/unittests/VMCore/VerifierTest.cpp
@@ -61,5 +61,31 @@ TEST(VerifierTest, AliasUnnamedAddr) {
   EXPECT_TRUE(StringRef(Error).startswith("Alias cannot have unnamed_addr"));
 }
 
+TEST(VerifierTest, ExternalUnnamedAddr) {
+  LLVMContext &C = getGlobalContext();
+  Module M("M", C);
+  const Type *Ty = Type::getInt8Ty(C);
+  GlobalVariable *GV = new GlobalVariable(M, Ty, true,
+                                          GlobalValue::ExternalLinkage,
+                                          NULL, "foo");
+  GV->setUnnamedAddr(true);
+  std::string Error;
+  EXPECT_TRUE(verifyModule(M, ReturnStatusAction, &Error));
+  EXPECT_TRUE(StringRef(Error)
+              .startswith("only definitions can have unnamed_addr"));
+}
+
+TEST(VerifierTest, DeclarationUnnamedAddr) {
+  LLVMContext &C = getGlobalContext();
+  Module M("M", C);
+  FunctionType *FTy = FunctionType::get(Type::getVoidTy(C), /*isVarArg=*/false);
+  Function *F = Function::Create(FTy, GlobalValue::ExternalLinkage,
+                                 "foo", &M);
+  F->setUnnamedAddr(true);
+  std::string Error;
+  EXPECT_TRUE(verifyModule(M, ReturnStatusAction, &Error));
+  EXPECT_TRUE(StringRef(Error)
+              .startswith("only definitions can have unnamed_addr"));
+}
 }
 }