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
6 struct A {
7 A();
8 };
9
f()10 void 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
17 namespace 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
test()30 int test() {
31 return sizeof(B);
32 }
33 // CHECK: define i32 @_ZN5test14testEv()
34 // CHECK: ret i32 12
35 }
36
37 namespace std {
38 class type_info;
39 }
40
41 // ARM64 uses string comparisons for what would otherwise be
42 // default-visibility weak RTTI. rdar://12650568
43 namespace test2 {
44 struct A {
45 virtual void foo();
46 };
foo()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 {
foo()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