1 | //===- llvm-omp-device-info.cpp - Obtain device info as seen from OpenMP --===// |
2 | // |
3 | // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
4 | // See https://llvm.org/LICENSE.txt for license information. |
5 | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
6 | // |
7 | //===----------------------------------------------------------------------===// |
8 | // |
9 | // This is a command line utility that, by using Libomptarget, and the device |
10 | // plugins, list devices information as seen from the OpenMP Runtime. |
11 | // |
12 | //===----------------------------------------------------------------------===// |
13 | |
14 | #include "omptarget.h" |
15 | #include <cstdio> |
16 | |
17 | int main(int argc, char **argv) { |
18 | __tgt_bin_desc EmptyDesc = {0, nullptr, nullptr, nullptr}; |
19 | __tgt_register_lib(&EmptyDesc); |
20 | __tgt_init_all_rtls(); |
21 | |
22 | for (int Dev = 0; Dev < omp_get_num_devices(); Dev++) { |
23 | printf(format: "Device (%d):\n" , Dev); |
24 | if (!__tgt_print_device_info(Dev)) |
25 | printf(format: " print_device_info not implemented\n" ); |
26 | printf(format: "\n" ); |
27 | } |
28 | |
29 | __tgt_unregister_lib(&EmptyDesc); |
30 | return 0; |
31 | } |
32 | |