File: exceptions-no-rtti.cpp

package info (click to toggle)
llvm-toolchain-21 1%3A21.1.0-1
  • links: PTS, VCS
  • area: main
  • in suites: sid
  • size: 2,235,796 kB
  • sloc: cpp: 7,617,614; ansic: 1,433,901; asm: 1,058,726; python: 252,096; f90: 94,671; objc: 70,753; lisp: 42,813; pascal: 18,401; sh: 10,032; ml: 5,111; perl: 4,720; awk: 3,523; makefile: 3,401; javascript: 2,272; xml: 892; fortran: 770
file content (51 lines) | stat: -rw-r--r-- 1,319 bytes parent folder | download | duplicates (6)
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
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
// RUN: %clang_cc1 -fno-rtti -fcxx-exceptions -fexceptions -Wno-dynamic-exception-spec %s -triple=x86_64-apple-darwin10 -emit-llvm -o - %std_cxx98- | FileCheck %s

// CHECK: @_ZTIN5test11AE = linkonce_odr constant
// CHECK: @_ZTIN5test11BE = linkonce_odr constant
// CHECK: @_ZTIN5test11CE = linkonce_odr constant
// CHECK: @_ZTIPN5test11DE = linkonce_odr constant {{.*}} @_ZTIN5test11DE
// CHECK: @_ZTIN5test11DE = linkonce_odr constant

// PR6974: this shouldn't crash
namespace test0 {
  class err {};

  void f(void) {
    try {
    } catch (err &) {
    }
  }
}

namespace test1 {
  // These classes have key functions defined out-of-line.  Under
  // normal circumstances, we wouldn't generate RTTI for them; under
  // -fno-rtti, we generate RTTI only when required by EH.  But
  // everything gets hidden visibility because we assume that all
  // users are also compiled under -fno-rtti and therefore will be
  // emitting RTTI regardless of key function.
  class A { virtual void foo(); };
  class B { virtual void foo(); };
  class C { virtual void foo(); };
  class D { virtual void foo(); };

  void opaque();

  void test0() {
    throw A();
  }

  void test1() throw(B) {
    opaque();
  }

  void test2() {
    try {
      opaque();
    } catch (C&) {}
  }

  void test3(D *ptr) {
    throw ptr;
  };
}