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 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 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 }; 47 void A::foo() {} 48 // CHECK-GLOBALS-DAG: @_ZTSN5test21AE = constant [11 x i8] 49 // CHECK-GLOBALS-DAG: @_ZTIN5test21AE = constant { {{.*}}, i8* getelementptr inbounds ([11 x i8], [11 x i8]* @_ZTSN5test21AE, i32 0, i32 0) } 50 51 struct __attribute__((visibility("hidden"))) B {}; 52 const std::type_info &b0 = typeid(B); 53 // CHECK-GLOBALS-DAG: @_ZTSN5test21BE = linkonce_odr hidden constant 54 // CHECK-GLOBALS-DAG: @_ZTIN5test21BE = linkonce_odr hidden constant { {{.*}}, i8* getelementptr inbounds ([11 x i8], [11 x i8]* @_ZTSN5test21BE, i32 0, i32 0) } 55 56 const std::type_info &b1 = typeid(B*); 57 // CHECK-GLOBALS-DAG: @_ZTSPN5test21BE = linkonce_odr hidden constant 58 // CHECK-GLOBALS-DAG: @_ZTIPN5test21BE = linkonce_odr hidden constant { {{.*}}, i8* getelementptr inbounds ([12 x i8], [12 x i8]* @_ZTSPN5test21BE, i32 0, i32 0), i32 0, i8* bitcast 59 60 struct C {}; 61 const std::type_info &c0 = typeid(C); 62 // CHECK-GLOBALS-DAG: @_ZTSN5test21CE = linkonce_odr hidden constant 63 // CHECK-GLOBALS-DAG: @_ZTIN5test21CE = linkonce_odr hidden constant { {{.*}}, i8* inttoptr (i64 add (i64 ptrtoint ([11 x i8]* @_ZTSN5test21CE to i64), i64 -9223372036854775808) to i8*) } 64 65 const std::type_info &c1 = typeid(C*); 66 // CHECK-GLOBALS-DAG: @_ZTSPN5test21CE = linkonce_odr hidden constant 67 // CHECK-GLOBALS-DAG: @_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 68 69 // This class is explicitly-instantiated, but that instantiation 70 // doesn't guarantee to emit RTTI, so we can still demote the visibility. 71 template <class T> class D {}; 72 template class D<int>; 73 const std::type_info &d0 = typeid(D<int>); 74 // CHECK-GLOBALS-DAG: @_ZTSN5test21DIiEE = linkonce_odr hidden constant 75 // CHECK-GLOBALS-DAG: @_ZTIN5test21DIiEE = linkonce_odr hidden constant { {{.*}}, i8* inttoptr (i64 add (i64 ptrtoint ([14 x i8]* @_ZTSN5test21DIiEE to i64), i64 -9223372036854775808) to i8*) } 76 77 // This class is explicitly-instantiated and *does* guarantee to 78 // emit RTTI, so we're stuck with having to use default visibility. 79 template <class T> class E { 80 virtual void foo() {} 81 }; 82 template class E<int>; 83 // CHECK-GLOBALS-DAG: @_ZTSN5test21EIiEE = weak_odr constant [14 x i8] 84 // CHECK-GLOBALS-DAG: @_ZTIN5test21EIiEE = weak_odr constant { {{.*}}, i8* inttoptr (i64 add (i64 ptrtoint ([14 x i8]* @_ZTSN5test21EIiEE to i64), i64 -9223372036854775808) to i8*) } 85 86 } 87
