clang/test/SemaCXX/address-space-placement.cpp

   1 // RUN: %clang_cc1 -fsyntax-only -fcxx-exceptions -verify %s
   2
   3 // Check that we emit the correct warnings in various situations where the C++11
   4 // spelling of the `address_space` attribute is applied to a declaration instead
   5 // of a type. Also check that the attribute can instead be applied to the type.
   6
   7 void f([[clang::address_space(1)]] int* param) { // expected-warning {{applying attribute 'address_space' to a declaration is deprecated; apply it to the type instead}}
   8   [[clang::address_space(1)]] int* local1; // expected-warning {{applying attribute 'address_space' to a declaration is deprecated; apply it to the type instead}}
   9   int* local2 [[clang::address_space(1)]]; // expected-error {{automatic variable qualified with an address space}} expected-warning {{applying attribute 'address_space' to a declaration is deprecated; apply it to the type instead}}
  10   int [[clang::address_space(1)]] * local3;
  11   int* [[clang::address_space(1)]] local4; // expected-error {{automatic variable qualified with an address space}}
  12
  13   for ([[clang::address_space(1)]] int* p = nullptr; p; ++p) {} // expected-warning {{applying attribute 'address_space' to a declaration is deprecated; apply it to the type instead}}
  14   for (; [[clang::address_space(1)]] int* p = nullptr; ) {} // expected-warning {{applying attribute 'address_space' to a declaration is deprecated; apply it to the type instead}}
  15   while([[clang::address_space(1)]] int* p = nullptr) {} // expected-warning {{applying attribute 'address_space' to a declaration is deprecated; apply it to the type instead}}
  16   if ([[clang::address_space(1)]] int* p = nullptr) {} // expected-warning {{applying attribute 'address_space' to a declaration is deprecated; apply it to the type instead}}
  17   try {
  18   } catch([[clang::address_space(1)]] int& i) { // expected-warning {{applying attribute 'address_space' to a declaration is deprecated; apply it to the type instead}}
  19   }
  20
  21   for (int [[clang::address_space(1)]] * p = nullptr; p; ++p) {}
  22   for (; int [[clang::address_space(1)]] * p = nullptr; ) {}
  23   while(int [[clang::address_space(1)]] * p = nullptr) {}
  24   if (int [[clang::address_space(1)]] * p = nullptr) {}
  25   try {
  26   } catch(int [[clang::address_space(1)]] & i) {
  27   }
  28 }
  29
  30 [[clang::address_space(1)]] int* return_value(); // expected-warning {{applying attribute 'address_space' to a declaration is deprecated; apply it to the type instead}}
  31 int [[clang::address_space(1)]] * return_value();
  32
  33 [[clang::address_space(1)]] int global1; // expected-warning {{applying attribute 'address_space' to a declaration is deprecated; apply it to the type instead}}
  34 int global2 [[clang::address_space(1)]]; // expected-warning {{applying attribute 'address_space' to a declaration is deprecated; apply it to the type instead}}
  35 int [[clang::address_space(1)]] global3;
  36 int [[clang::address_space(1)]] global4;
  37
  38 struct [[clang::address_space(1)]] S { // expected-error {{'address_space' attribute cannot be applied to a declaration}}
  39   [[clang::address_space(1)]] int* member_function_1(); // expected-warning {{applying attribute 'address_space' to a declaration is deprecated; apply it to the type instead}}
  40   int [[clang::address_space(1)]] * member_function_2();
  41 };
  42
  43 template <class T>
  44 [[clang::address_space(1)]] T var_template_1; // expected-warning {{applying attribute 'address_space' to a declaration is deprecated; apply it to the type instead}}
  45 template <class T>
  46 T [[clang::address_space(1)]] var_template_2;
  47
  48 using void_ptr [[clang::address_space(1)]] = void *; // expected-warning {{applying attribute 'address_space' to a declaration is deprecated; apply it to the type instead}}
  49 // Intentionally using the same alias name to check that the aliases define the
  50 // same type.
  51 using void_ptr = void [[clang::address_space(1)]] *;
  52
  53 namespace N {}
  54 [[clang::address_space(1)]] using namespace N; // expected-error {{'address_space' attribute cannot be applied to a declaration}}