clang/test/SemaCUDA/attr-declspec.cu

   1 // Test the __declspec spellings of CUDA attributes.
   2 //
   3 // RUN: %clang_cc1 -fsyntax-only -fms-extensions -verify %s
   4 // RUN: %clang_cc1 -fsyntax-only -fms-extensions -fcuda-is-device -verify %s
   5 // Now pretend that we're compiling a C file. There should be warnings.
   6 // RUN: %clang_cc1 -DEXPECT_WARNINGS -fms-extensions -fsyntax-only -verify -x c %s
   7
   8 #if defined(EXPECT_WARNINGS)
   9 // expected-warning@+15 {{'__device__' attribute ignored}}
  10 // expected-warning@+15 {{'__global__' attribute ignored}}
  11 // expected-warning@+15 {{'__constant__' attribute ignored}}
  12 // expected-warning@+15 {{'__shared__' attribute ignored}}
  13 // expected-warning@+15 {{'__host__' attribute ignored}}
  14 // expected-warning@+20 {{'__device_builtin_surface_type__' attribute ignored}}
  15 // expected-warning@+20 {{'__device_builtin_texture_type__' attribute ignored}}
  16 //
  17 // (Currently we don't for the other attributes. They are implemented with
  18 // IgnoredAttr, which is ignored irrespective of any LangOpts.)
  19 #else
  20 // expected-warning@+14 {{'__device_builtin_surface_type__' attribute only applies to classes}}
  21 // expected-warning@+14 {{'__device_builtin_texture_type__' attribute only applies to classes}}
  22 #endif
  23
  24 __declspec(__device__) void f_device(void);
  25 __declspec(__global__) void f_global(void);
  26 __declspec(__constant__) int* g_constant;
  27 __declspec(__shared__) float *g_shared;
  28 __declspec(__host__) void f_host(void);
  29 __declspec(__device_builtin__) void f_device_builtin(void);
  30 typedef __declspec(__device_builtin__) const void *t_device_builtin;
  31 enum __declspec(__device_builtin__) e_device_builtin {E};
  32 __declspec(__device_builtin__) int v_device_builtin;
  33 __declspec(__cudart_builtin__) void f_cudart_builtin(void);
  34 __declspec(__device_builtin_surface_type__) unsigned long long surface_var;
  35 __declspec(__device_builtin_texture_type__) unsigned long long texture_var;
  36
  37 // Note that there's no __declspec spelling of nv_weak.