clang/test/Sema/nvptx-address-spaces.c

   1 // RUN: %clang_cc1 %s -triple nvptx64-nvidia-cuda -fsyntax-only -verify
   2
   3 #define _AS0 __attribute__((address_space(0)))
   4 #define _AS1 __attribute__((address_space(1)))
   5 #define _AS2 __attribute__((address_space(2)))
   6 #define _AS3 __attribute__((address_space(3)))
   7 #define _AS4 __attribute__((address_space(4)))
   8 #define _AS5 __attribute__((address_space(5)))
   9 #define _AS999 __attribute__((address_space(999)))
  10
  11 void *p1(void _AS1 *p) { return p; }
  12 void *p2(void _AS2 *p) { return p; } // expected-error {{returning '_AS2 void *' from a function with result type 'void *' changes address space of pointer}}
  13 void *p3(void _AS3 *p) { return p; }
  14 void *p4(void _AS4 *p) { return p; }
  15 void *p5(void _AS5 *p) { return p; }
  16 void *pi(void _AS999 *p) { return p; } // expected-error {{returning '_AS999 void *' from a function with result type 'void *' changes address space of pointer}}
  17 void *pc(void __attribute__((opencl_local)) *p) { return p; } // expected-error {{returning '__local void *' from a function with result type 'void *' changes address space of pointer}}
  18 void _AS1 *r0(void _AS1 *p) { return p; }
  19 void _AS1 *r1(void *p) { return p; } // expected-error {{returning 'void *' from a function with result type '_AS1 void *' changes address space of pointer}}
  20 void _AS1 *r2(void *p) { return (void _AS1 *)p; }
  21