1 files changed, 40 insertions, 0 deletions
diff --git a/contrib/llvm-project/compiler-rt/lib/sanitizer_common/sanitizer_range.h b/contrib/llvm-project/compiler-rt/lib/sanitizer_common/sanitizer_range.h
new file mode 100644
index 000000000000..7c593e171ba2
--- /dev/null
+++ b/contrib/llvm-project/compiler-rt/lib/sanitizer_common/sanitizer_range.h
@@ -0,0 +1,40 @@
+//===-- sanitizer_range.h ---------------------------------------*- C++ -*-===//
+//
+// 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
+//
+//===----------------------------------------------------------------------===//
+//
+// Contais Range and related utilities.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef SANITIZER_RANGE_H
+#define SANITIZER_RANGE_H
+
+#include "sanitizer_common.h"
+#include "sanitizer_common/sanitizer_array_ref.h"
+
+namespace __sanitizer {
+
+struct Range {
+  uptr begin;
+  uptr end;
+};
+
+inline bool operator==(const Range &lhs, const Range &rhs) {
+  return lhs.begin == rhs.begin && lhs.end == rhs.end;
+}
+
+inline bool operator!=(const Range &lhs, const Range &rhs) {
+  return !(lhs == rhs);
+}
+
+// Calculates intersection of two sets of regions in O(N log N) time.
+void Intersect(ArrayRef<Range> a, ArrayRef<Range> b,
+               InternalMmapVectorNoCtor<Range> &output);
+
+}  // namespace __sanitizer
+
+#endif  // SANITIZER_RANGE_H