File: lambda-attr.cu

package info (click to toggle)
llvm-toolchain-7 1%3A7.0.1-8
  • links: PTS, VCS
  • area: main
  • in suites: buster
  • size: 733,456 kB
  • sloc: cpp: 3,776,651; ansic: 633,271; asm: 350,301; python: 142,716; objc: 107,612; sh: 22,626; lisp: 11,056; perl: 7,999; pascal: 6,742; ml: 5,537; awk: 3,536; makefile: 2,557; cs: 2,027; xml: 841; ruby: 156
file content (42 lines) | stat: -rw-r--r-- 2,277 bytes parent folder | download | duplicates (13)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
// RUN: %clang_cc1 -std=c++11 -fsyntax-only -verify %s
// RUN: %clang_cc1 -std=c++11 -fsyntax-only -fcuda-is-device -verify %s

__attribute__((device)) void device_fn() {}
__attribute__((host, device)) void hd_fn() {}

__attribute__((device)) void device_attr() {
  ([]() __attribute__((device)) { device_fn(); })();
  // expected-warning@-1 {{nvcc does not allow '__device__' to appear after '()' in lambdas}}
  ([] __attribute__((device)) () { device_fn(); })();
  ([] __attribute__((device)) { device_fn(); })();

  ([&]() __attribute__((device)){ device_fn(); })();
  // expected-warning@-1 {{nvcc does not allow '__device__' to appear after '()' in lambdas}}
  ([&] __attribute__((device)) () { device_fn(); })();
  ([&] __attribute__((device)) { device_fn(); })();

  ([&](int) __attribute__((device)){ device_fn(); })(0);
  // expected-warning@-1 {{nvcc does not allow '__device__' to appear after '()' in lambdas}}
  ([&] __attribute__((device)) (int) { device_fn(); })(0);
}

__attribute__((host)) __attribute__((device)) void host_device_attrs() {
  ([]() __attribute__((host)) __attribute__((device)){ hd_fn(); })();
  // expected-warning@-1 {{nvcc does not allow '__host__' to appear after '()' in lambdas}}
  // expected-warning@-2 {{nvcc does not allow '__device__' to appear after '()' in lambdas}}
  ([] __attribute__((host)) __attribute__((device)) () { hd_fn(); })();
  ([] __attribute__((host)) __attribute__((device)) { hd_fn(); })();

  ([&]() __attribute__((host)) __attribute__((device)){ hd_fn(); })();
  // expected-warning@-1 {{nvcc does not allow '__host__' to appear after '()' in lambdas}}
  // expected-warning@-2 {{nvcc does not allow '__device__' to appear after '()' in lambdas}}
  ([&] __attribute__((host)) __attribute__((device)) () { hd_fn(); })();
  ([&] __attribute__((host)) __attribute__((device)) { hd_fn(); })();

  ([&](int) __attribute__((host)) __attribute__((device)){ hd_fn(); })(0);
  // expected-warning@-1 {{nvcc does not allow '__host__' to appear after '()' in lambdas}}
  // expected-warning@-2 {{nvcc does not allow '__device__' to appear after '()' in lambdas}}
  ([&] __attribute__((host)) __attribute__((device)) (int) { hd_fn(); })(0);
}

// TODO: Add tests for __attribute__((global)) once we support global lambdas.