xref: /aosp_15_r20/external/llvm-libc/test/integration/startup/gpu/rpc_lane_test.cpp (revision 71db0c75aadcf003ffe3238005f61d7618a3fead)
1 //===-- Loader test to check the RPC interface with the loader ------------===//
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 #include "include/llvm-libc-types/test_rpc_opcodes_t.h"
10 #include "src/__support/GPU/utils.h"
11 #include "src/__support/RPC/rpc_client.h"
12 #include "test/IntegrationTest/test.h"
13 
14 using namespace LIBC_NAMESPACE;
15 
test_add()16 static void test_add() {
17   uint64_t cnt = gpu::get_lane_id();
18   LIBC_NAMESPACE::rpc::Client::Port port =
19       LIBC_NAMESPACE::rpc::client.open<RPC_TEST_INCREMENT>();
20   port.send_and_recv(
21       [=](LIBC_NAMESPACE::rpc::Buffer *buffer, uint32_t) {
22         reinterpret_cast<uint64_t *>(buffer->data)[0] = cnt;
23       },
24       [&](LIBC_NAMESPACE::rpc::Buffer *buffer, uint32_t) {
25         cnt = reinterpret_cast<uint64_t *>(buffer->data)[0];
26       });
27   port.close();
28   EXPECT_EQ(cnt, gpu::get_lane_id() + 1);
29   EXPECT_EQ(gpu::get_thread_id(), gpu::get_lane_id());
30 }
31 
TEST_MAIN(int argc,char ** argv,char ** envp)32 TEST_MAIN(int argc, char **argv, char **envp) {
33   test_add();
34 
35   return 0;
36 }
37