File: rtti-visibility.cpp

package info (click to toggle)
llvm-toolchain-17 1%3A17.0.6-22
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid, trixie
  • size: 1,799,624 kB
  • sloc: cpp: 6,428,607; ansic: 1,383,196; asm: 793,408; python: 223,504; objc: 75,364; f90: 60,502; lisp: 33,869; pascal: 15,282; sh: 9,684; perl: 7,453; ml: 4,937; awk: 3,523; makefile: 2,889; javascript: 2,149; xml: 888; fortran: 619; cs: 573
file content (29 lines) | stat: -rw-r--r-- 951 bytes parent folder | download | duplicates (32) 
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);
  }
}