38049dc8ee
Summary: The AMDGPU backend can handle wavefront sizes of 32 and 64, with the native hardware preferring one or the other. The user can override the hardware with `-mwavefrontsize64` or `-mwavefrontsize32` which previously wasn't handled. We need to know the wavefront size to know how much memory to allocate and how to index the RPC buffer. There isn't a good way to do this with ROCm so we just use the LLVM support for offloading to check this from the image.
37 lines
1.2 KiB
C++
37 lines
1.2 KiB
C++
//===-- Loader test to check the RPC interface with the loader ------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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#include "include/llvm-libc-types/test_rpc_opcodes_t.h"
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#include "src/__support/GPU/utils.h"
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#include "src/__support/RPC/rpc_client.h"
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#include "test/IntegrationTest/test.h"
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using namespace LIBC_NAMESPACE;
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static void test_add() {
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uint64_t cnt = gpu::get_lane_id();
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LIBC_NAMESPACE::rpc::Client::Port port =
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LIBC_NAMESPACE::rpc::client.open<RPC_TEST_INCREMENT>();
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port.send_and_recv(
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[=](LIBC_NAMESPACE::rpc::Buffer *buffer, uint32_t) {
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reinterpret_cast<uint64_t *>(buffer->data)[0] = cnt;
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},
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[&](LIBC_NAMESPACE::rpc::Buffer *buffer, uint32_t) {
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cnt = reinterpret_cast<uint64_t *>(buffer->data)[0];
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});
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port.close();
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EXPECT_EQ(cnt, gpu::get_lane_id() + 1);
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EXPECT_EQ(gpu::get_thread_id(), gpu::get_lane_id());
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}
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TEST_MAIN(int argc, char **argv, char **envp) {
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test_add();
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return 0;
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}
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