| //===-- Generic utilities for GPU timing ----------------------------------===// | |
| // | |
| // 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 | |
| // | |
| //===----------------------------------------------------------------------===// | |
| #include "time_utils.h" | |
| #include "src/__support/macros/config.h" | |
| namespace LIBC_NAMESPACE_DECL { | |
| #if defined(LIBC_TARGET_ARCH_IS_AMDGPU) || defined(__SPIRV__) | |
| // This is expected to be initialized by the runtime if the default value is | |
| // insufficient. | |
| // TODO: Once we have another use-case for this we should put it in a common | |
| // device environment struct. | |
| gpu::Constant<uint64_t> __llvm_libc_clock_freq = clock_freq; | |
| #endif | |
| } // namespace LIBC_NAMESPACE_DECL |