1 files changed, 27 insertions, 0 deletions
diff --git a/contrib/llvm-project/clang/lib/Headers/xtestintrin.h b/contrib/llvm-project/clang/lib/Headers/xtestintrin.h
new file mode 100644
index 000000000000..7d19e3733d7e
--- /dev/null
+++ b/contrib/llvm-project/clang/lib/Headers/xtestintrin.h
@@ -0,0 +1,27 @@
+/*===---- xtestintrin.h - XTEST intrinsic ----------------------------------===
+ *
+ * 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 <xtestintrin.h> directly; include <immintrin.h> instead."
+#endif
+
+#ifndef __XTESTINTRIN_H
+#define __XTESTINTRIN_H
+
+/* xtest returns non-zero if the instruction is executed within an RTM or active
+ * HLE region. */
+/* FIXME: This can be an either or for RTM/HLE. Deal with this when HLE is
+ * supported. */
+static __inline__ int
+    __attribute__((__always_inline__, __nodebug__, __target__("rtm")))
+    _xtest(void) {
+  return __builtin_ia32_xtest();
+}
+
+#endif