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

1 files changed, 56 insertions, 0 deletions

diff --git a/clang-r353983/include/llvm/MC/MCLabel.h b/clang-r353983/include/llvm/MC/MCLabel.h
new file mode 100644
index 00000000..0b8afac8
--- /dev/null
+++ b/clang-r353983/include/llvm/MC/MCLabel.h
@@ -0,0 +1,56 @@
+//===- MCLabel.h - Machine Code Directional Local Labels --------*- 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
+//
+//===----------------------------------------------------------------------===//
+//
+// This file contains the declaration of the MCLabel class.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_MC_MCLABEL_H
+#define LLVM_MC_MCLABEL_H
+
+namespace llvm {
+
+class raw_ostream;
+
+/// Instances of this class represent a label name in the MC file,
+/// and MCLabel are created and uniqued by the MCContext class.  MCLabel
+/// should only be constructed for valid instances in the object file.
+class MCLabel {
+  // The instance number of this Directional Local Label.
+  unsigned Instance;
+
+private: // MCContext creates and uniques these.
+  friend class MCContext;
+
+  MCLabel(unsigned instance) : Instance(instance) {}
+
+public:
+  MCLabel(const MCLabel &) = delete;
+  MCLabel &operator=(const MCLabel &) = delete;
+
+  /// Get the current instance of this Directional Local Label.
+  unsigned getInstance() const { return Instance; }
+
+  /// Increment the current instance of this Directional Local Label.
+  unsigned incInstance() { return ++Instance; }
+
+  /// Print the value to the stream \p OS.
+  void print(raw_ostream &OS) const;
+
+  /// Print the value to stderr.
+  void dump() const;
+};
+
+inline raw_ostream &operator<<(raw_ostream &OS, const MCLabel &Label) {
+  Label.print(OS);
+  return OS;
+}
+
+} // end namespace llvm
+
+#endif // LLVM_MC_MCLABEL_H