33 lines · cpp
1// RUN: %clang_cc1 -O2 -fvisibility=hidden -std=c++11 -emit-llvm -o - -triple x86_64-apple-darwin10 %s | FileCheck %s2 3// Ensure that available_externally functions eliminated at -O2 are now4// declarations, and are not emitted as hidden with -fvisibility=hidden,5// but rather with default visibility.6struct Filter {7 virtual void Foo();8 int a;9};10 11class Message{};12class Sender {13 public:14 virtual bool Send(Message* msg) = 0;15 16 protected:17 virtual ~Sender() {}18};19 20// CHECK: declare noundef zeroext i1 @_ZThn16_N17SyncMessageFilter4SendEP7Message21class SyncMessageFilter : public Filter, public Sender {22 public:23 bool Send(Message* message) override;24};25 26class TestSyncMessageFilter : public SyncMessageFilter {27};28 29int main() {30 TestSyncMessageFilter *f = new TestSyncMessageFilter;31 f->Send(new Message);32}33