Merge "Update prebuilt Clang to r353983." into p9.0HEADp9.0-backupp9.0

1 files changed, 45 insertions, 0 deletions

diff --git a/clang-r353983/include/lld/Common/Strings.h b/clang-r353983/include/lld/Common/Strings.h
new file mode 100644
index 00000000..efc92450
--- /dev/null
+++ b/clang-r353983/include/lld/Common/Strings.h
@@ -0,0 +1,45 @@
+//===- Strings.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
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLD_STRINGS_H
+#define LLD_STRINGS_H
+
+#include "llvm/ADT/ArrayRef.h"
+#include "llvm/ADT/Optional.h"
+#include "llvm/ADT/StringRef.h"
+#include "llvm/Support/GlobPattern.h"
+#include <string>
+#include <vector>
+
+namespace lld {
+// Returns a demangled C++ symbol name. If Name is not a mangled
+// name, it returns Optional::None.
+llvm::Optional<std::string> demangleItanium(llvm::StringRef Name);
+llvm::Optional<std::string> demangleMSVC(llvm::StringRef S);
+
+std::vector<uint8_t> parseHex(llvm::StringRef S);
+bool isValidCIdentifier(llvm::StringRef S);
+
+// Write the contents of the a buffer to a file
+void saveBuffer(llvm::StringRef Buffer, const llvm::Twine &Path);
+
+// This class represents multiple glob patterns.
+class StringMatcher {
+public:
+  StringMatcher() = default;
+  explicit StringMatcher(llvm::ArrayRef<llvm::StringRef> Pat);
+
+  bool match(llvm::StringRef S) const;
+
+private:
+  std::vector<llvm::GlobPattern> Patterns;
+};
+
+} // namespace lld
+
+#endif