}
+TEST(InstructionsTest, CloneCall) {
+ LLVMContext &C(getGlobalContext());
+ Type *Int32Ty = Type::getInt32Ty(C);
+ Type *ArgTys[] = {Int32Ty, Int32Ty, Int32Ty};
+ Type *FnTy = FunctionType::get(Int32Ty, ArgTys, /*isVarArg=*/false);
+ Value *Callee = Constant::getNullValue(FnTy->getPointerTo());
+ Value *Args[] = {
+ ConstantInt::get(Int32Ty, 1),
+ ConstantInt::get(Int32Ty, 2),
+ ConstantInt::get(Int32Ty, 3)
+ };
+ std::unique_ptr<CallInst> Call(CallInst::Create(Callee, Args, "result"));
+
+ // Test cloning the tail call kind.
+ CallInst::TailCallKind Kinds[] = {CallInst::TCK_None, CallInst::TCK_Tail,
+ CallInst::TCK_MustTail};
+ for (CallInst::TailCallKind TCK : Kinds) {
+ Call->setTailCallKind(TCK);
+ std::unique_ptr<CallInst> Clone(cast<CallInst>(Call->clone()));
+ EXPECT_EQ(Call->getTailCallKind(), Clone->getTailCallKind());
+ }
+ Call->setTailCallKind(CallInst::TCK_None);
+
+ // Test cloning an attribute.
+ {
+ AttrBuilder AB;
+ AB.addAttribute(Attribute::ReadOnly);
+ Call->setAttributes(AttributeSet::get(C, AttributeSet::FunctionIndex, AB));
+ std::unique_ptr<CallInst> Clone(cast<CallInst>(Call->clone()));
+ EXPECT_TRUE(Clone->onlyReadsMemory());
+ }
+}
+
} // end anonymous namespace
} // end namespace llvm