1 // RUN: %clang_cc1 -fsyntax-only -verify %s 2 3 template<typename T, typename U> 4 struct is_same { 5 static const bool value = false; 6 }; 7 8 template<typename T> 9 struct is_same<T, T> { 10 static const bool value = true; 11 }; 12 13 typedef int __attribute__((address_space(1))) int_1;; 14 typedef int __attribute__((address_space(2))) int_2;; 15 typedef int __attribute__((address_space(1))) *int_1_ptr; 16 typedef int_2 *int_2_ptr; 17 18 // Check that we maintain address spaces through template argument 19 // deduction from a type. 20 template<typename T> 21 struct remove_pointer { 22 typedef T type; 23 }; 24 25 template<typename T> 26 struct remove_pointer<T *> { 27 typedef T type; 28 }; 29 30 int check_remove0[is_same<remove_pointer<int_1_ptr>::type, int_1>::value? 1 : -1]; 31 int check_remove1[is_same<remove_pointer<int_2_ptr>::type, int_2>::value? 1 : -1]; 32 int check_remove2[is_same<remove_pointer<int_2_ptr>::type, int>::value? -1 : 1]; 33 int check_remove3[is_same<remove_pointer<int_2_ptr>::type, int_1>::value? -1 : 1]; 34 35 template<typename T> 36 struct is_pointer_in_address_space_1 { 37 static const bool value = false; 38 }; 39 40 template<typename T> 41 struct is_pointer_in_address_space_1<T __attribute__((address_space(1))) *> { 42 static const bool value = true; 43 }; 44 45 int check_ptr_in_as1[is_pointer_in_address_space_1<int_1_ptr>::value? 1 : -1]; 46 int check_ptr_in_as2[is_pointer_in_address_space_1<int_2_ptr>::value? -1 : 1]; 47 int check_ptr_in_as3[is_pointer_in_address_space_1<int*>::value? -1 : 1]; 48 49 // Check that we maintain address spaces through template argument 50 // deduction for a call. 51 template<typename T> 52 void accept_any_pointer(T*) { 53 T *x = 1; // expected-error{{cannot initialize a variable of type '__attribute__((address_space(1))) int *' with an rvalue of type 'int'}} \ 54 // expected-error{{cannot initialize a variable of type '__attribute__((address_space(3))) int *' with an rvalue of type 'int'}} 55 } 56 57 void test_accept_any_pointer(int_1_ptr ip1, int_2_ptr ip2) { 58 static __attribute__((address_space(3))) int array[17]; 59 accept_any_pointer(ip1); // expected-note{{in instantiation of}} 60 accept_any_pointer(array); // expected-note{{in instantiation of}} 61 } 62 63 template<typename T> struct identity {}; 64 65 template<typename T> 66 identity<T> accept_arg_in_address_space_1(__attribute__((address_space(1))) T &ir1); 67 68 template<typename T> 69 identity<T> accept_any_arg(T &ir1); 70 71 void test_arg_in_address_space_1() { 72 static int __attribute__((address_space(1))) int_1; 73 identity<int> ii = accept_arg_in_address_space_1(int_1); 74 identity<int __attribute__((address_space(1)))> ii2 = accept_any_arg(int_1); 75 } 76 77 // Partial ordering 78 template<typename T> int &order1(__attribute__((address_space(1))) T&); 79 template<typename T> float &order1(T&); 80 81 void test_order1() { 82 static __attribute__((address_space(1))) int i1; 83 int i; 84 int &ir = order1(i1); 85 float &fr = order1(i); 86 } 87
