clang/test/CodeGenCXX/exceptions-no-rtti.cpp

   1 // 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
   2
   3 // CHECK: @_ZTIN5test11AE = linkonce_odr constant
   4 // CHECK: @_ZTIN5test11BE = linkonce_odr constant
   5 // CHECK: @_ZTIN5test11CE = linkonce_odr constant
   6 // CHECK: @_ZTIPN5test11DE = linkonce_odr constant {{.*}} @_ZTIN5test11DE
   7 // CHECK: @_ZTIN5test11DE = linkonce_odr constant
   8
   9 // PR6974: this shouldn't crash
  10 namespace test0 {
  11   class err {};
  12
  13   void f(void) {
  14     try {
  15     } catch (err &) {
  16     }
  17   }
  18 }
  19
  20 namespace test1 {
  21   // These classes have key functions defined out-of-line.  Under
  22   // normal circumstances, we wouldn't generate RTTI for them; under
  23   // -fno-rtti, we generate RTTI only when required by EH.  But
  24   // everything gets hidden visibility because we assume that all
  25   // users are also compiled under -fno-rtti and therefore will be
  26   // emitting RTTI regardless of key function.
  27   class A { virtual void foo(); };
  28   class B { virtual void foo(); };
  29   class C { virtual void foo(); };
  30   class D { virtual void foo(); };
  31
  32   void opaque();
  33
  34   void test0() {
  35     throw A();
  36   }
  37
  38   void test1() throw(B) {
  39     opaque();
  40   }
  41
  42   void test2() {
  43     try {
  44       opaque();
  45     } catch (C&) {}
  46   }
  47
  48   void test3(D *ptr) {
  49     throw ptr;
  50   };
  51 }