1 files changed, 61 insertions, 0 deletions
diff --git a/contrib/llvm-project/clang/lib/Headers/prfchiintrin.h b/contrib/llvm-project/clang/lib/Headers/prfchiintrin.h
new file mode 100644
index 000000000000..36600b25aa1d
--- /dev/null
+++ b/contrib/llvm-project/clang/lib/Headers/prfchiintrin.h
@@ -0,0 +1,61 @@
+/*===---- prfchiintrin.h - PREFETCHI 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 __PRFCHIINTRIN_H
+#define __PRFCHIINTRIN_H
+
+#ifdef __x86_64__
+
+/* Define the default attributes for the functions in this file. */
+#define __DEFAULT_FN_ATTRS                                                     \
+  __attribute__((__always_inline__, __nodebug__, __target__("prefetchi")))
+
+/// Loads an instruction sequence containing the specified memory address into
+///    all level cache.
+///
+///    Note that the effect of this intrinsic is dependent on the processor
+///    implementation.
+///
+/// \headerfile <x86intrin.h>
+///
+/// This intrinsic corresponds to the \c PREFETCHIT0 instruction.
+///
+/// \param __P
+///    A pointer specifying the memory address to be prefetched.
+static __inline__ void __DEFAULT_FN_ATTRS
+_m_prefetchit0(volatile const void *__P) {
+#pragma clang diagnostic push
+#pragma clang diagnostic ignored "-Wcast-qual"
+  __builtin_ia32_prefetchi((const void *)__P, 3 /* _MM_HINT_T0 */);
+#pragma clang diagnostic pop
+}
+
+/// Loads an instruction sequence containing the specified memory address into
+///    all but the first-level cache.
+///
+///    Note that the effect of this intrinsic is dependent on the processor
+///    implementation.
+///
+/// \headerfile <x86intrin.h>
+///
+/// This intrinsic corresponds to the \c PREFETCHIT1 instruction.
+///
+/// \param __P
+///    A pointer specifying the memory address to be prefetched.
+static __inline__ void __DEFAULT_FN_ATTRS
+_m_prefetchit1(volatile const void *__P) {
+#pragma clang diagnostic push
+#pragma clang diagnostic ignored "-Wcast-qual"
+  __builtin_ia32_prefetchi((const void *)__P, 2 /* _MM_HINT_T1 */);
+#pragma clang diagnostic pop
+}
+#endif /* __x86_64__ */
+#undef __DEFAULT_FN_ATTRS
+
+#endif /* __PRFCHWINTRIN_H */