1 // Tests that CUDA attributes are warnings when compiling C files, but not when
2 // compiling CUDA files.
3 //
4 // RUN: %clang_cc1 -fsyntax-only -verify %s
5 // RUN: %clang_cc1 -fsyntax-only -fcuda-is-device -verify %s
6 // Now pretend that we're compiling a C file. There should be warnings.
7 // RUN: %clang_cc1 -DEXPECT_WARNINGS -fsyntax-only -verify -x c %s
8 
9 #if defined(EXPECT_WARNINGS)
10 // expected-warning@+12 {{'device' attribute ignored}}
11 // expected-warning@+12 {{'global' attribute ignored}}
12 // expected-warning@+12 {{'constant' attribute ignored}}
13 // expected-warning@+12 {{'shared' attribute ignored}}
14 // expected-warning@+12 {{'host' attribute ignored}}
15 //
16 // NOTE: IgnoredAttr in clang which is used for the rest of
17 // attributes ignores LangOpts, so there are no warnings.
18 #else
19 // expected-no-diagnostics
20 #endif
21 
22 __attribute__((device)) void f_device();
23 __attribute__((global)) void f_global();
24 __attribute__((constant)) int* g_constant;
25 __attribute__((shared)) float *g_shared;
26 __attribute__((host)) void f_host();
27 __attribute__((device_builtin)) void f_device_builtin();
28 typedef __attribute__((device_builtin)) const void *t_device_builtin;
29 enum __attribute__((device_builtin)) e_device_builtin {E};
30 __attribute__((device_builtin)) int v_device_builtin;
31 __attribute__((cudart_builtin)) void f_cudart_builtin();
32 __attribute__((nv_weak)) void f_nv_weak();
33 __attribute__((device_builtin_surface_type)) unsigned long long surface_var;
34 __attribute__((device_builtin_texture_type)) unsigned long long texture_var;
35