1 files changed, 30 insertions, 0 deletions
diff --git a/clang/lib/Basic/LangOptions.cpp b/clang/lib/Basic/LangOptions.cpp
index dc392d5352aa..b6dc73d66304 100644
--- a/clang/lib/Basic/LangOptions.cpp
+++ b/clang/lib/Basic/LangOptions.cpp
@@ -11,6 +11,8 @@
 //===----------------------------------------------------------------------===//
 
 #include "clang/Basic/LangOptions.h"
+#include "llvm/ADT/SmallString.h"
+#include "llvm/Support/Path.h"
 
 using namespace clang;
 
@@ -45,9 +47,37 @@ bool LangOptions::isNoBuiltinFunc(StringRef FuncName) const {
 
 VersionTuple LangOptions::getOpenCLVersionTuple() const {
   const int Ver = OpenCLCPlusPlus ? OpenCLCPlusPlusVersion : OpenCLVersion;
+  if (OpenCLCPlusPlus && Ver != 100)
+    return VersionTuple(Ver / 100);
   return VersionTuple(Ver / 100, (Ver % 100) / 10);
 }
 
+unsigned LangOptions::getOpenCLCompatibleVersion() const {
+  if (!OpenCLCPlusPlus)
+    return OpenCLVersion;
+  if (OpenCLCPlusPlusVersion == 100)
+    return 200;
+  if (OpenCLCPlusPlusVersion == 202100)
+    return 300;
+  llvm_unreachable("Unknown OpenCL version");
+}
+
+void LangOptions::remapPathPrefix(SmallString<256> &Path) const {
+  for (const auto &Entry : MacroPrefixMap)
+    if (llvm::sys::path::replace_path_prefix(Path, Entry.first, Entry.second))
+      break;
+}
+
+std::string LangOptions::getOpenCLVersionString() const {
+  std::string Result;
+  {
+    llvm::raw_string_ostream Out(Result);
+    Out << (OpenCLCPlusPlus ? "C++ for OpenCL" : "OpenCL C") << " version "
+        << getOpenCLVersionTuple().getAsString();
+  }
+  return Result;
+}
+
 FPOptions FPOptions::defaultWithoutTrailingStorage(const LangOptions &LO) {
   FPOptions result(LO);
   return result;