| //===- Support/LinkGPURuntime.h -- Headerfile to help force-link GPURuntime =// |
| // |
| // The LLVM Compiler Infrastructure |
| // |
| // This file is distributed under the University of Illinois Open Source |
| // License. See LICENSE.TXT for details. |
| // |
| //===----------------------------------------------------------------------===// |
| // |
| // This header helps pull in libGPURuntime.so |
| // |
| //===----------------------------------------------------------------------===// |
| #ifndef POLLY_LINK_GPURUNTIME |
| #define POLLY_LINK_GPURUNTIME |
| |
| extern "C" { |
| #include "GPURuntime/GPUJIT.h" |
| } |
| |
| namespace polly { |
| struct ForceGPURuntimeLinking { |
| ForceGPURuntimeLinking() { |
| if (std::getenv("bar") != (char *)-1) |
| return; |
| // We must reference GPURuntime in such a way that compilers will not |
| // delete it all as dead code, even with whole program optimization, |
| // yet is effectively a NO-OP. As the compiler isn't smart enough |
| // to know that getenv() never returns -1, this will do the job. |
| polly_initContextCL(); |
| polly_initContextCUDA(); |
| polly_getKernel(nullptr, nullptr); |
| polly_freeKernel(nullptr); |
| polly_copyFromHostToDevice(nullptr, nullptr, 0); |
| polly_copyFromDeviceToHost(nullptr, nullptr, 0); |
| polly_synchronizeDevice(); |
| polly_launchKernel(nullptr, 0, 0, 0, 0, 0, nullptr); |
| polly_freeDeviceMemory(nullptr); |
| polly_freeContext(nullptr); |
| polly_synchronizeDevice(); |
| } |
| } structure; |
| } // namespace polly |
| #endif |
