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| Rev | Author | Line No. | Line |
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| 14 | pmbaty | 1 | //===- Support/LinkGPURuntime.h -- Headerfile to help force-link GPURuntime =// |
| 2 | // |
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| 3 | // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
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| 4 | // See https://llvm.org/LICENSE.txt for license information. |
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| 5 | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
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| 6 | // |
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| 7 | //===----------------------------------------------------------------------===// |
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| 8 | // |
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| 9 | // This header helps pull in libGPURuntime.so |
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| 10 | // |
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| 11 | //===----------------------------------------------------------------------===// |
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| 12 | #ifndef POLLY_LINK_GPURUNTIME |
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| 13 | #define POLLY_LINK_GPURUNTIME |
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| 14 | |||
| 15 | extern "C" { |
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| 16 | #include "GPURuntime/GPUJIT.h" |
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| 17 | } |
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| 18 | |||
| 19 | namespace polly { |
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| 20 | struct ForceGPURuntimeLinking { |
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| 21 | ForceGPURuntimeLinking() { |
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| 22 | if (std::getenv("bar") != (char *)-1) |
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| 23 | return; |
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| 24 | // We must reference GPURuntime in such a way that compilers will not |
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| 25 | // delete it all as dead code, even with whole program optimization, |
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| 26 | // yet is effectively a NO-OP. As the compiler isn't smart enough |
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| 27 | // to know that getenv() never returns -1, this will do the job. |
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| 28 | polly_initContextCL(); |
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| 29 | polly_initContextCUDA(); |
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| 30 | polly_getKernel(nullptr, nullptr); |
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| 31 | polly_freeKernel(nullptr); |
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| 32 | polly_copyFromHostToDevice(nullptr, nullptr, 0); |
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| 33 | polly_copyFromDeviceToHost(nullptr, nullptr, 0); |
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| 34 | polly_synchronizeDevice(); |
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| 35 | polly_launchKernel(nullptr, 0, 0, 0, 0, 0, nullptr); |
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| 36 | polly_freeDeviceMemory(nullptr); |
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| 37 | polly_freeContext(nullptr); |
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| 38 | polly_synchronizeDevice(); |
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| 39 | } |
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| 40 | } structure; |
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| 41 | } // namespace polly |
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| 42 | #endif |