//===- Support/LinkGPURuntime.h -- Headerfile to help force-link GPURuntime =//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
//
// 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