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1 // RUN: %clang_cc1 -O2 -fvisibility hidden -std=c++11 -emit-llvm -o - -triple x86_64-apple-darwin10 %s | FileCheck %s
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2
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3 // Ensure that available_externally functions eliminated at -O2 are now
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4 // declarations, and are not emitted as hidden with -fvisibility=hidden,
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5 // but rather with default visibility.
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6 struct Filter {
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7 virtual void Foo();
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8 int a;
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9 };
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10
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11 class Message{};
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12 class Sender {
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13 public:
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14 virtual bool Send(Message* msg) = 0;
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15
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16 protected:
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17 virtual ~Sender() {}
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18 };
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19
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20 // CHECK: declare zeroext i1 @_ZThn16_N17SyncMessageFilter4SendEP7Message
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21 class SyncMessageFilter : public Filter, public Sender {
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22 public:
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23 bool Send(Message* message) override;
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24 };
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25
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26 class TestSyncMessageFilter : public SyncMessageFilter {
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27 };
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28
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29 int main() {
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30 TestSyncMessageFilter *f = new TestSyncMessageFilter;
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31 f->Send(new Message);
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32 }
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