1 files changed, 106 insertions, 0 deletions
diff --git a/clang/lib/Basic/OpenCLOptions.cpp b/clang/lib/Basic/OpenCLOptions.cpp
new file mode 100644
index 0000000..266acc5
--- /dev/null
+++ b/clang/lib/Basic/OpenCLOptions.cpp
@@ -0,0 +1,106 @@
+//===--- OpenCLOptions.cpp---------------------------------------*- 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
+//
+//===----------------------------------------------------------------------===//
+
+#include "clang/Basic/OpenCLOptions.h"
+
+namespace clang {
+
+bool OpenCLOptions::isKnown(llvm::StringRef Ext) const {
+  return OptMap.find(Ext) != OptMap.end();
+}
+
+bool OpenCLOptions::isEnabled(llvm::StringRef Ext) const {
+  auto E = OptMap.find(Ext);
+  return E != OptMap.end() && E->second.Enabled;
+}
+
+bool OpenCLOptions::isSupported(llvm::StringRef Ext,
+                                const LangOptions &LO) const {
+  auto E = OptMap.find(Ext);
+  if (E == OptMap.end()) {
+    return false;
+  }
+  auto I = OptMap.find(Ext)->getValue();
+  return I.Supported && I.isAvailableIn(LO);
+}
+
+bool OpenCLOptions::isSupportedCore(llvm::StringRef Ext,
+                                    const LangOptions &LO) const {
+  auto E = OptMap.find(Ext);
+  if (E == OptMap.end()) {
+    return false;
+  }
+  auto I = OptMap.find(Ext)->getValue();
+  return I.Supported && I.isCoreIn(LO);
+}
+
+bool OpenCLOptions::isSupportedOptionalCore(llvm::StringRef Ext,
+                                            const LangOptions &LO) const {
+  auto E = OptMap.find(Ext);
+  if (E == OptMap.end()) {
+    return false;
+  }
+  auto I = OptMap.find(Ext)->getValue();
+  return I.Supported && I.isOptionalCoreIn(LO);
+}
+
+bool OpenCLOptions::isSupportedCoreOrOptionalCore(llvm::StringRef Ext,
+                                                  const LangOptions &LO) const {
+  return isSupportedCore(Ext, LO) || isSupportedOptionalCore(Ext, LO);
+}
+
+bool OpenCLOptions::isSupportedExtension(llvm::StringRef Ext,
+                                         const LangOptions &LO) const {
+  auto E = OptMap.find(Ext);
+  if (E == OptMap.end()) {
+    return false;
+  }
+  auto I = OptMap.find(Ext)->getValue();
+  return I.Supported && I.isAvailableIn(LO) &&
+         !isSupportedCoreOrOptionalCore(Ext, LO);
+}
+
+void OpenCLOptions::enable(llvm::StringRef Ext, bool V) {
+  OptMap[Ext].Enabled = V;
+}
+
+void OpenCLOptions::support(llvm::StringRef Ext, bool V) {
+  assert(!Ext.empty() && "Extension is empty.");
+  assert(Ext[0] != '+' && Ext[0] != '-');
+  OptMap[Ext].Supported = V;
+}
+
+OpenCLOptions::OpenCLOptions() {
+#define OPENCL_GENERIC_EXTENSION(Ext, AvailVer, CoreVer, OptVer)               \
+  OptMap[#Ext].Avail = AvailVer;                                               \
+  OptMap[#Ext].Core = CoreVer;                                                 \
+  OptMap[#Ext].Opt = OptVer;
+#include "clang/Basic/OpenCLExtensions.def"
+}
+
+void OpenCLOptions::addSupport(const llvm::StringMap<bool> &FeaturesMap,
+                               const LangOptions &Opts) {
+  for (const auto &F : FeaturesMap) {
+    const auto &Name = F.getKey();
+    if (F.getValue() && isKnown(Name) && OptMap[Name].isAvailableIn(Opts))
+      support(Name);
+  }
+}
+
+void OpenCLOptions::disableAll() {
+  for (auto &Opt : OptMap)
+    Opt.getValue().Enabled = false;
+}
+
+void OpenCLOptions::enableSupportedCore(const LangOptions &LO) {
+  for (auto &Opt : OptMap)
+    if (isSupportedCoreOrOptionalCore(Opt.getKey(), LO))
+      Opt.getValue().Enabled = true;
+}
+
+} // end namespace clang