1 files changed, 56 insertions, 0 deletions
diff --git a/clang/lib/Headers/tsxldtrkintrin.h b/clang/lib/Headers/tsxldtrkintrin.h
new file mode 100644
index 000000000000..491823e93fc0
--- /dev/null
+++ b/clang/lib/Headers/tsxldtrkintrin.h
@@ -0,0 +1,56 @@
+/*===------------- tsxldtrkintrin.h - tsxldtrk 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 <tsxldtrkintrin.h> directly; include <immintrin.h> instead."
+#endif
+
+#ifndef __TSXLDTRKINTRIN_H
+#define __TSXLDTRKINTRIN_H
+
+/* Define the default attributes for the functions in this file */
+#define _DEFAULT_FN_ATTRS \
+  __attribute__((__always_inline__, __nodebug__, __target__("tsxldtrk")))
+
+/// Marks the start of an TSX (RTM) suspend load address tracking region. If
+///    this intrinsic is used inside a transactional region, subsequent loads
+///    are not added to the read set of the transaction. If it's used inside a
+///    suspend load address tracking region it will cause transaction abort.
+///    If it's used outside of a transactional region it behaves like a NOP.
+///
+/// \headerfile <x86intrin.h>
+///
+/// This intrinsic corresponds to the \c XSUSLDTRK instruction.
+///
+static __inline__ void _DEFAULT_FN_ATTRS
+_xsusldtrk (void)
+{
+    __builtin_ia32_xsusldtrk();
+}
+
+/// Marks the end of an TSX (RTM) suspend load address tracking region. If this
+///    intrinsic is used inside a suspend load address tracking region it will
+///    end the suspend region and all following load addresses will be added to
+///    the transaction read set. If it's used inside an active transaction but
+///    not in a suspend region it will cause transaction abort. If it's used
+///    outside of a transactional region it behaves like a NOP.
+///
+/// \headerfile <x86intrin.h>
+///
+/// This intrinsic corresponds to the \c XRESLDTRK instruction.
+///
+static __inline__ void _DEFAULT_FN_ATTRS
+_xresldtrk (void)
+{
+    __builtin_ia32_xresldtrk();
+}
+
+#undef _DEFAULT_FN_ATTRS
+
+#endif /* __TSXLDTRKINTRIN_H */