| //===- Msan.h - Utils related to the memory sanitizer ---------------------===// |
| // |
| // 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 file declares and defines macros related to msan. |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #ifndef MLIR_EXECUTIONENGINE_MSAN_H |
| #define MLIR_EXECUTIONENGINE_MSAN_H |
| |
| // Memory sanitizer currently can't be enabled for the jit-compiled code, and |
| // to suppress msan warnings we need to unpoison pointers and pointed-to |
| // datastructures before they can be accessed. |
| |
| #ifndef __has_feature |
| #define __has_feature(x) 0 |
| #endif |
| |
| #if __has_feature(memory_sanitizer) && !defined(MLIR_MEMORY_SANITIZER) |
| #define MLIR_MEMORY_SANITIZER |
| #endif |
| |
| #if defined(MLIR_MEMORY_SANITIZER) |
| #include <sanitizer/msan_interface.h> |
| #define MLIR_MSAN_MEMORY_IS_INITIALIZED(p, s) __msan_unpoison((p), (s)) |
| #else // Memory sanitizer: OFF |
| #define MLIR_MSAN_MEMORY_IS_INITIALIZED(p, s) |
| #endif // MLIR_MEMORY_SANITIZER |
| |
| #endif // MLIR_EXECUTIONENGINE_MSAN_H |
