llvm-project/parallel-libs/streamexecutor/lib/PlatformManager.cpp

50 lines
1.7 KiB
C++

//===-- PlatformManager.cpp - PlatformManager implementation --------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
///
/// \file
/// Implementation of PlatformManager class internals.
///
//===----------------------------------------------------------------------===//
#include "streamexecutor/PlatformManager.h"
#include "streamexecutor/PlatformOptions.h"
#include "streamexecutor/platforms/host/HostPlatform.h"
#ifdef STREAM_EXECUTOR_ENABLE_CUDA_PLATFORM
#include "streamexecutor/platforms/cuda/CUDAPlatform.h"
#endif
namespace streamexecutor {
PlatformManager::PlatformManager() {
// TODO(jhen): Register known platforms by name.
// We have a couple of options here:
// * Use build-system flags to set preprocessor macros that select the
// appropriate code to include here.
// * Use static initialization tricks to have platform libraries register
// themselves when they are loaded.
PlatformsByName.emplace("host", llvm::make_unique<host::HostPlatform>());
#ifdef STREAM_EXECUTOR_ENABLE_CUDA_PLATFORM
PlatformsByName.emplace("cuda", llvm::make_unique<cuda::CUDAPlatform>());
#endif
}
Expected<Platform *> PlatformManager::getPlatformByName(llvm::StringRef Name) {
static PlatformManager Instance;
auto Iterator = Instance.PlatformsByName.find(Name.lower());
if (Iterator != Instance.PlatformsByName.end())
return Iterator->second.get();
return make_error("no available platform with name " + Name);
}
} // namespace streamexecutor