| //===-------- Allocator.h - OpenMP memory allocator interface ---- C++ -*-===// |
| // |
| // 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 |
| // |
| //===----------------------------------------------------------------------===// |
| // |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #ifndef OMPTARGET_ALLOCATOR_H |
| #define OMPTARGET_ALLOCATOR_H |
| |
| #include "Types.h" |
| |
| // Forward declaration. |
| struct KernelEnvironmentTy; |
| |
| #pragma omp begin declare target device_type(nohost) |
| |
| namespace ompx { |
| |
| namespace allocator { |
| |
| static uint64_t constexpr ALIGNMENT = 16; |
| |
| /// Initialize the allocator according to \p KernelEnvironment |
| void init(bool IsSPMD, KernelEnvironmentTy &KernelEnvironment); |
| |
| /// Allocate \p Size bytes. |
| [[gnu::alloc_size(1), gnu::assume_aligned(ALIGNMENT), gnu::malloc]] void * |
| alloc(uint64_t Size); |
| |
| /// Free the allocation pointed to by \p Ptr. |
| void free(void *Ptr); |
| |
| } // namespace allocator |
| |
| } // namespace ompx |
| |
| #pragma omp end declare target |
| |
| #endif |
