1 // RUN: %clang_cc1 -std=c++11 -fsyntax-only -verify %s
2 // RUN: %clang_cc1 -std=c++11 -fsyntax-only -fcuda-is-device -verify %s
3 
device_fn()4 __attribute__((device)) void device_fn() {}
hd_fn()5 __attribute__((host, device)) void hd_fn() {}
6 
device_attr()7 __attribute__((device)) void device_attr() {
8   ([]() __attribute__((device)) { device_fn(); })();
9   // expected-warning@-1 {{nvcc does not allow '__device__' to appear after '()' in lambdas}}
10   ([] __attribute__((device)) () { device_fn(); })();
11   ([] __attribute__((device)) { device_fn(); })();
12 
13   ([&]() __attribute__((device)){ device_fn(); })();
14   // expected-warning@-1 {{nvcc does not allow '__device__' to appear after '()' in lambdas}}
15   ([&] __attribute__((device)) () { device_fn(); })();
16   ([&] __attribute__((device)) { device_fn(); })();
17 
18   ([&](int) __attribute__((device)){ device_fn(); })(0);
19   // expected-warning@-1 {{nvcc does not allow '__device__' to appear after '()' in lambdas}}
20   ([&] __attribute__((device)) (int) { device_fn(); })(0);
21 }
22 
host_device_attrs()23 __attribute__((host)) __attribute__((device)) void host_device_attrs() {
24   ([]() __attribute__((host)) __attribute__((device)){ hd_fn(); })();
25   // expected-warning@-1 {{nvcc does not allow '__host__' to appear after '()' in lambdas}}
26   // expected-warning@-2 {{nvcc does not allow '__device__' to appear after '()' in lambdas}}
27   ([] __attribute__((host)) __attribute__((device)) () { hd_fn(); })();
28   ([] __attribute__((host)) __attribute__((device)) { hd_fn(); })();
29 
30   ([&]() __attribute__((host)) __attribute__((device)){ hd_fn(); })();
31   // expected-warning@-1 {{nvcc does not allow '__host__' to appear after '()' in lambdas}}
32   // expected-warning@-2 {{nvcc does not allow '__device__' to appear after '()' in lambdas}}
33   ([&] __attribute__((host)) __attribute__((device)) () { hd_fn(); })();
34   ([&] __attribute__((host)) __attribute__((device)) { hd_fn(); })();
35 
36   ([&](int) __attribute__((host)) __attribute__((device)){ hd_fn(); })(0);
37   // expected-warning@-1 {{nvcc does not allow '__host__' to appear after '()' in lambdas}}
38   // expected-warning@-2 {{nvcc does not allow '__device__' to appear after '()' in lambdas}}
39   ([&] __attribute__((host)) __attribute__((device)) (int) { hd_fn(); })(0);
40 }
41 
42 // TODO: Add tests for __attribute__((global)) once we support global lambdas.
43