File: rtti-visibility.cpp

package info (click to toggle)
llvm-toolchain-3.9 1%3A3.9.1-9
  • links: PTS, VCS
  • area: main
  • in suites: stretch
  • size: 441,144 kB
  • ctags: 428,836
  • sloc: cpp: 2,546,577; ansic: 538,318; asm: 119,677; objc: 103,316; python: 102,148; sh: 27,847; pascal: 5,626; ml: 5,510; perl: 5,293; lisp: 4,801; makefile: 2,177; xml: 686; cs: 362; php: 212; csh: 117
file content (29 lines) | stat: -rw-r--r-- 951 bytes parent folder | download | duplicates (35)
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
// RUN: %clang_cc1 %s -I%S -triple=x86_64-apple-darwin10 -emit-llvm -o %t
// RUN: FileCheck --check-prefix=CHECK-TEST1 %s < %t
// RUN: FileCheck --check-prefix=CHECK-TEST2 %s < %t

#include <typeinfo>

namespace Test1 {
  // A is explicitly marked hidden, so all RTTI data should also be marked hidden.
  // CHECK-TEST1: @_ZTSN5Test11AE = linkonce_odr hidden constant
  // CHECK-TEST1: @_ZTIN5Test11AE = linkonce_odr hidden constant
  // CHECK-TEST1: @_ZTSPN5Test11AE = linkonce_odr hidden constant
  // CHECK-TEST1: @_ZTIPN5Test11AE = linkonce_odr hidden constant
  struct __attribute__((visibility("hidden"))) A { };

  void f() {
    (void)typeid(A);
    (void)typeid(A *);
  }
}

namespace Test2 {
  // A is weak, so its linkage should be linkoce_odr, but not marked hidden.
  // CHECK-TEST2: @_ZTSN5Test21AE = linkonce_odr constant
  // CHECK-TEST2: @_ZTIN5Test21AE = linkonce_odr constant
  struct A { };
  void f() {
    (void)typeid(A);
  }
}