From cfca06d7963fa0909f90483b42a6d7d194d01e08 Mon Sep 17 00:00:00 2001
From: Dimitry Andric <dim@FreeBSD.org>
Date: Sun, 26 Jul 2020 19:36:28 +0000
Subject: Vendor import of llvm-project master 2e10b7a39b9, the last commit
 before the llvmorg-12-init tag, from which release/11.x was branched.

---
 clang/lib/Headers/serializeintrin.h | 30 ++++++++++++++++++++++++++++++
 1 file changed, 30 insertions(+)
 create mode 100644 clang/lib/Headers/serializeintrin.h

(limited to 'clang/lib/Headers/serializeintrin.h')

diff --git a/clang/lib/Headers/serializeintrin.h b/clang/lib/Headers/serializeintrin.h
new file mode 100644
index 0000000000000..b774e5a24a0ba
--- /dev/null
+++ b/clang/lib/Headers/serializeintrin.h
@@ -0,0 +1,30 @@
+/*===--------------- serializeintrin.h - serialize intrinsics --------------===
+ *
+ * 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 __IMMINTRIN_H
+#error "Never use <serializeintrin.h> directly; include <immintrin.h> instead."
+#endif
+
+#ifndef __SERIALIZEINTRIN_H
+#define __SERIALIZEINTRIN_H
+
+/// Serialize instruction fetch and execution.
+///
+/// \headerfile <x86intrin.h>
+///
+/// This intrinsic corresponds to the <c> SERIALIZE </c> instruction.
+///
+static __inline__ void
+__attribute__((__always_inline__, __nodebug__, __target__("serialize")))
+_serialize (void)
+{
+  __builtin_ia32_serialize ();
+}
+
+#endif /* __SERIALIZEINTRIN_H */
-- 
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