--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/clang/lib/Headers/__clang_hip_runtime_wrapper.h	Tue Jun 08 06:07:14 2021 +0900
@@ -0,0 +1,97 @@
+/*===---- __clang_hip_runtime_wrapper.h - HIP runtime support ---------------===
+ *
+ * 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
+ *
+ *===-----------------------------------------------------------------------===
+ */
+
+/*
+ * WARNING: This header is intended to be directly -include'd by
+ * the compiler and is not supposed to be included by users.
+ *
+ */
+
+#ifndef __CLANG_HIP_RUNTIME_WRAPPER_H__
+#define __CLANG_HIP_RUNTIME_WRAPPER_H__
+
+#if __HIP__
+
+#if !defined(__HIPCC_RTC__)
+#include <cmath>
+#include <cstdlib>
+#include <stdlib.h>
+#else
+typedef __SIZE_TYPE__ size_t;
+// Define macros which are needed to declare HIP device API's without standard
+// C/C++ headers. This is for readability so that these API's can be written
+// the same way as non-hipRTC use case. These macros need to be popped so that
+// they do not pollute users' name space.
+#pragma push_macro("NULL")
+#pragma push_macro("uint32_t")
+#pragma push_macro("uint64_t")
+#pragma push_macro("CHAR_BIT")
+#pragma push_macro("INT_MAX")
+#define NULL (void *)0
+#define uint32_t __UINT32_TYPE__
+#define uint64_t __UINT64_TYPE__
+#define CHAR_BIT __CHAR_BIT__
+#define INT_MAX __INTMAX_MAX__
+#endif // __HIPCC_RTC__
+
+#define __host__ __attribute__((host))
+#define __device__ __attribute__((device))
+#define __global__ __attribute__((global))
+#define __shared__ __attribute__((shared))
+#define __constant__ __attribute__((constant))
+#define __managed__ __attribute__((managed))
+
+#if !defined(__cplusplus) || __cplusplus < 201103L
+  #define nullptr NULL;
+#endif
+
+#if __HIP_ENABLE_DEVICE_MALLOC__
+extern "C" __device__ void *__hip_malloc(size_t __size);
+extern "C" __device__ void *__hip_free(void *__ptr);
+static inline __device__ void *malloc(size_t __size) {
+  return __hip_malloc(__size);
+}
+static inline __device__ void *free(void *__ptr) { return __hip_free(__ptr); }
+#else
+static inline __device__ void *malloc(size_t __size) {
+  __builtin_trap();
+  return nullptr;
+}
+static inline __device__ void *free(void *__ptr) {
+  __builtin_trap();
+  return nullptr;
+}
+#endif
+
+#include <__clang_hip_libdevice_declares.h>
+#include <__clang_hip_math.h>
+
+#if !_OPENMP || __HIP_ENABLE_CUDA_WRAPPER_FOR_OPENMP__
+#if defined(__HIPCC_RTC__)
+#include <__clang_hip_cmath.h>
+#else
+#include <__clang_cuda_math_forward_declares.h>
+#include <__clang_hip_cmath.h>
+#include <__clang_cuda_complex_builtins.h>
+#include <algorithm>
+#include <complex>
+#include <new>
+#endif // __HIPCC_RTC__
+#endif // !_OPENMP || __HIP_ENABLE_CUDA_WRAPPER_FOR_OPENMP__
+
+#define __CLANG_HIP_RUNTIME_WRAPPER_INCLUDED__ 1
+#if defined(__HIPCC_RTC__)
+#pragma pop_macro("NULL")
+#pragma pop_macro("uint32_t")
+#pragma pop_macro("uint64_t")
+#pragma pop_macro("CHAR_BIT")
+#pragma pop_macro("INT_MAX")
+#endif // __HIPCC_RTC__
+#endif // __HIP__
+#endif // __CLANG_HIP_RUNTIME_WRAPPER_H__