1 files changed, 43 insertions, 0 deletions
diff --git a/Common/Version.cpp b/Common/Version.cpp
new file mode 100644
index 000000000000..6226c9a2fac6
--- /dev/null
+++ b/Common/Version.cpp
@@ -0,0 +1,43 @@
+//===- lib/Common/Version.cpp - LLD Version Number ---------------*- C++-=====//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// This file defines several version-related utility functions for LLD.
+//
+//===----------------------------------------------------------------------===//
+
+#include "lld/Common/Version.h"
+
+using namespace llvm;
+
+// Returns an SVN repository path, which is usually "trunk".
+static std::string getRepositoryPath() {
+  StringRef S = LLD_REPOSITORY_STRING;
+  size_t Pos = S.find("lld/");
+  if (Pos != StringRef::npos)
+    return S.substr(Pos + 4);
+  return S;
+}
+
+// Returns an SVN repository name, e.g., " (trunk 284614)"
+// or an empty string if no repository info is available.
+static std::string getRepository() {
+  std::string Repo = getRepositoryPath();
+  std::string Rev = LLD_REVISION_STRING;
+
+  if (Repo.empty() && Rev.empty())
+    return "";
+  if (!Repo.empty() && !Rev.empty())
+    return " (" + Repo + " " + Rev + ")";
+  return " (" + Repo + Rev + ")";
+}
+
+// Returns a version string, e.g., "LLD 4.0 (lld/trunk 284614)".
+std::string lld::getLLDVersion() {
+  return "LLD " + std::string(LLD_VERSION_STRING) + getRepository();
+}