|  | // Tests that CUDA attributes are warnings when compiling C files, but not when | 
|  | // compiling CUDA files. | 
|  | // | 
|  | // RUN: %clang_cc1 -fsyntax-only -verify %s | 
|  | // RUN: %clang_cc1 -fsyntax-only -fcuda-is-device -verify %s | 
|  | // Now pretend that we're compiling a C file. There should be warnings. | 
|  | // RUN: %clang_cc1 -DEXPECT_WARNINGS -fsyntax-only -verify -x c %s | 
|  |  | 
|  | #if defined(EXPECT_WARNINGS) | 
|  | // expected-warning@+12 {{'device' attribute ignored}} | 
|  | // expected-warning@+12 {{'global' attribute ignored}} | 
|  | // expected-warning@+12 {{'constant' attribute ignored}} | 
|  | // expected-warning@+12 {{'shared' attribute ignored}} | 
|  | // expected-warning@+12 {{'host' attribute ignored}} | 
|  | // | 
|  | // NOTE: IgnoredAttr in clang which is used for the rest of | 
|  | // attributes ignores LangOpts, so there are no warnings. | 
|  | #else | 
|  | // expected-no-diagnostics | 
|  | #endif | 
|  |  | 
|  | __attribute__((device)) void f_device(); | 
|  | __attribute__((global)) void f_global(); | 
|  | __attribute__((constant)) int* g_constant; | 
|  | __attribute__((shared)) float *g_shared; | 
|  | __attribute__((host)) void f_host(); | 
|  | __attribute__((device_builtin)) void f_device_builtin(); | 
|  | typedef __attribute__((device_builtin)) const void *t_device_builtin; | 
|  | enum __attribute__((device_builtin)) e_device_builtin {E}; | 
|  | __attribute__((device_builtin)) int v_device_builtin; | 
|  | __attribute__((cudart_builtin)) void f_cudart_builtin(); | 
|  | __attribute__((nv_weak)) void f_nv_weak(); | 
|  | __attribute__((device_builtin_surface_type)) unsigned long long surface_var; | 
|  | __attribute__((device_builtin_texture_type)) unsigned long long texture_var; |