23 lines · cpp
1//===-- Generic utilities for GPU timing ----------------------------------===//2//3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.4// See https://llvm.org/LICENSE.txt for license information.5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception6//7//===----------------------------------------------------------------------===//8 9#include "time_utils.h"10#include "src/__support/macros/config.h"11 12namespace LIBC_NAMESPACE_DECL {13 14#if defined(LIBC_TARGET_ARCH_IS_AMDGPU)15// This is expected to be initialized by the runtime if the default value is16// insufficient.17// TODO: Once we have another use-case for this we should put it in a common18// device environment struct.19gpu::Constant<uint64_t> __llvm_libc_clock_freq = clock_freq;20#endif21 22} // namespace LIBC_NAMESPACE_DECL23