File: available-externally-hidden.cpp

package info (click to toggle)
llvm-toolchain-4.0 1%3A4.0.1-10~deb9u2
  • links: PTS, VCS
  • area: main
  • in suites: stretch
  • size: 493,332 kB
  • sloc: cpp: 2,698,100; ansic: 552,773; asm: 128,821; python: 121,589; objc: 105,054; sh: 21,174; lisp: 6,758; ml: 5,532; perl: 5,311; pascal: 5,245; makefile: 2,083; cs: 1,868; xml: 686; php: 212; csh: 117
file content (32 lines) | stat: -rw-r--r-- 814 bytes parent folder | download | duplicates (17)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
// RUN: %clang_cc1 -O2 -fvisibility hidden -std=c++11 -emit-llvm -o - -triple x86_64-apple-darwin10 %s | FileCheck %s

// Ensure that available_externally functions eliminated at -O2 are now
// declarations, and are not emitted as hidden with -fvisibility=hidden,
// but rather with default visibility.
struct Filter {
  virtual void Foo();
  int a;
};

class Message{};
class Sender {
 public:
  virtual bool Send(Message* msg) = 0;

 protected:
  virtual ~Sender() {}
};

// CHECK: declare zeroext i1 @_ZThn16_N17SyncMessageFilter4SendEP7Message
class SyncMessageFilter : public Filter, public Sender {
 public:
  bool Send(Message* message) override;
};

class TestSyncMessageFilter : public SyncMessageFilter {
};

int main() {
  TestSyncMessageFilter *f = new TestSyncMessageFilter;
  f->Send(new Message);
}