diff --git a/clang/lib/Headers/__clang_hip_libdevice_declares.h b/clang/lib/Headers/__clang_hip_libdevice_declares.h
index fa8d918248dd0..fad9c6ca7ffc5 100644
--- a/clang/lib/Headers/__clang_hip_libdevice_declares.h
+++ b/clang/lib/Headers/__clang_hip_libdevice_declares.h
@@ -338,6 +338,23 @@ __device__ __attribute__((const)) __2f16 __ocml_sqrt_2f16(__2f16);
 __device__ __attribute__((const)) __2f16 __ocml_trunc_2f16(__2f16);
 __device__ __attribute__((const)) __2f16 __ocml_pown_2f16(__2f16, __2i16);
 
+__device__ void __asan_poison_memory_region(const void *addr,
+                                            __SIZE_TYPE__ size);
+__device__ void __asan_unpoison_memory_region(const void *addr,
+                                              __SIZE_TYPE__ size);
+__device__ int __asan_address_is_poisoned(const void *addr);
+__device__ void *__asan_region_is_poisoned(void *beg, __SIZE_TYPE__ size);
+
+#if __has_feature(address_sanitizer)
+#define ASAN_POISON_MEMORY_REGION(addr, size)                                  \
+  __asan_poison_memory_region((addr), (size))
+#define ASAN_UNPOISON_MEMORY_REGION(addr, size)                                \
+  __asan_unpoison_memory_region((addr), (size))
+#else
+#define ASAN_POISON_MEMORY_REGION(addr, size) ((void)(addr), (void)(size))
+#define ASAN_UNPOISON_MEMORY_REGION(addr, size) ((void)(addr), (void)(size))
+#endif
+
 #ifdef __cplusplus
 } // extern "C"
 #endif