1 files changed, 45 insertions, 0 deletions
diff --git a/contrib/llvm-project/clang/lib/Headers/llvm_libc_wrappers/stdlib.h b/contrib/llvm-project/clang/lib/Headers/llvm_libc_wrappers/stdlib.h
new file mode 100644
index 000000000000..7fce5a1a31d5
--- /dev/null
+++ b/contrib/llvm-project/clang/lib/Headers/llvm_libc_wrappers/stdlib.h
@@ -0,0 +1,45 @@
+//===-- Wrapper for C standard stdlib.h declarations on the GPU -----------===//
+//
+// 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 __CLANG_LLVM_LIBC_WRAPPERS_STDLIB_H__
+#define __CLANG_LLVM_LIBC_WRAPPERS_STDLIB_H__
+
+#if !defined(_OPENMP) && !defined(__HIP__) && !defined(__CUDA__)
+#error "This file is for GPU offloading compilation only"
+#endif
+
+#include_next <stdlib.h>
+
+#if __has_include(<llvm-libc-decls/stdlib.h>)
+
+#if defined(__HIP__) || defined(__CUDA__)
+#define __LIBC_ATTRS __attribute__((device))
+#endif
+
+#pragma omp begin declare target
+
+// The LLVM C library uses these named types so we forward declare them.
+typedef void (*__atexithandler_t)(void);
+typedef int (*__bsearchcompare_t)(const void *, const void *);
+typedef int (*__qsortcompare_t)(const void *, const void *);
+typedef int (*__qsortrcompare_t)(const void *, const void *, void *);
+
+// Enforce ABI compatibility with the structs used by the LLVM C library.
+_Static_assert(__builtin_offsetof(div_t, quot) == 0, "ABI mismatch!");
+_Static_assert(__builtin_offsetof(ldiv_t, quot) == 0, "ABI mismatch!");
+_Static_assert(__builtin_offsetof(lldiv_t, quot) == 0, "ABI mismatch!");
+
+#include <llvm-libc-decls/stdlib.h>
+
+#pragma omp end declare target
+
+#undef __LIBC_ATTRS
+
+#endif
+
+#endif // __CLANG_LLVM_LIBC_WRAPPERS_STDLIB_H__