1// RUN: %clang_cc1 %s -triple=arm64-apple-ios -emit-llvm -o - | FileCheck %s
2// RUN: %clang_cc1 %s -triple=arm64-apple-ios -emit-llvm -o - | FileCheck -check-prefix=CHECK-GLOBALS %s
3
4// __cxa_guard_acquire argument is 64-bit
5// rdar://11540122
6struct A {
7  A();
8};
9
10void f() {
11  // CHECK: call i32 @__cxa_guard_acquire(i64*
12  static A a;
13}
14
15// ARM64 uses the C++11 definition of POD.
16// rdar://12650514
17namespace test1 {
18  // This class is POD in C++11 and cannot have objects allocated in
19  // its tail-padding.
20  struct ABase {};
21  struct A : ABase {
22    int x;
23    char c;
24  };
25
26  struct B : A {
27    char d;
28  };
29
30  int test() {
31    return sizeof(B);
32  }
33  // CHECK: define i32 @_ZN5test14testEv()
34  // CHECK: ret i32 12
35}
36
37namespace std {
38  class type_info;
39}
40
41// ARM64 uses string comparisons for what would otherwise be
42// default-visibility weak RTTI.  rdar://12650568
43namespace test2 {
44  struct A {
45    virtual void foo();
46  };
47  void A::foo() {}
48  // Tested below because these globals get kindof oddly rearranged.
49
50  struct __attribute__((visibility("hidden"))) B {};
51  const std::type_info &b0 = typeid(B);
52  // CHECK-GLOBALS: @_ZTSN5test21BE = linkonce_odr hidden constant
53  // CHECK-GLOBALS: @_ZTIN5test21BE = linkonce_odr hidden constant { {{.*}}, i8* getelementptr inbounds ([11 x i8]* @_ZTSN5test21BE, i32 0, i32 0) }
54
55  const std::type_info &b1 = typeid(B*);
56  // CHECK-GLOBALS: @_ZTSPN5test21BE = linkonce_odr hidden constant
57  // CHECK-GLOBALS: @_ZTIPN5test21BE = linkonce_odr hidden constant { {{.*}}, i8* getelementptr inbounds ([12 x i8]* @_ZTSPN5test21BE, i32 0, i32 0), i32 0, i8* bitcast
58
59  struct C {};
60  const std::type_info &c0 = typeid(C);
61  // CHECK-GLOBALS: @_ZTSN5test21CE = linkonce_odr hidden constant
62  // CHECK-GLOBALS: @_ZTIN5test21CE = linkonce_odr hidden constant { {{.*}}, i8* inttoptr (i64 add (i64 ptrtoint ([11 x i8]* @_ZTSN5test21CE to i64), i64 -9223372036854775808) to i8*) }
63
64  const std::type_info &c1 = typeid(C*);
65  // CHECK-GLOBALS: @_ZTSPN5test21CE = linkonce_odr hidden constant
66  // CHECK-GLOBALS: @_ZTIPN5test21CE = linkonce_odr hidden constant { {{.*}}, i8* inttoptr (i64 add (i64 ptrtoint ([12 x i8]* @_ZTSPN5test21CE to i64), i64 -9223372036854775808) to i8*), i32 0, i8* bitcast
67
68  // This class is explicitly-instantiated, but that instantiation
69  // doesn't guarantee to emit RTTI, so we can still demote the visibility.
70  template <class T> class D {};
71  template class D<int>;
72  const std::type_info &d0 = typeid(D<int>);
73  // CHECK-GLOBALS: @_ZTSN5test21DIiEE = linkonce_odr hidden constant
74  // CHECK-GLOBALS: @_ZTIN5test21DIiEE = linkonce_odr hidden constant { {{.*}}, i8* inttoptr (i64 add (i64 ptrtoint ([14 x i8]* @_ZTSN5test21DIiEE to i64), i64 -9223372036854775808) to i8*) }
75
76  // This class is explicitly-instantiated and *does* guarantee to
77  // emit RTTI, so we're stuck with having to use default visibility.
78  template <class T> class E {
79    virtual void foo() {}
80  };
81  template class E<int>;
82  // CHECK-GLOBALS: @_ZTSN5test21EIiEE = weak_odr constant [14 x i8]
83  // CHECK-GLOBALS: @_ZTIN5test21EIiEE = weak_odr constant { {{.*}}, i8* inttoptr (i64 add (i64 ptrtoint ([14 x i8]* @_ZTSN5test21EIiEE to i64), i64 -9223372036854775808) to i8*) }
84
85  // CHECK-GLOBALS: @_ZTSN5test21AE = constant [11 x i8]
86  // CHECK-GLOBALS: @_ZTIN5test21AE = constant { {{.*}}, i8* getelementptr inbounds ([11 x i8]* @_ZTSN5test21AE, i32 0, i32 0) }
87
88}
89