[OpenCL] Pass LangOptions as const ref

llvm-svn: 373088

Author: svenvh

clang/include/clang/Basic/OpenCLOptions.h

@@ -42,7 +42,7 @@ class OpenCLOptions {
 
   // Is supported as either an extension or an (optional) core feature for
   // OpenCL version \p CLVer.
-  bool isSupported(llvm::StringRef Ext, LangOptions LO) const {
+  bool isSupported(llvm::StringRef Ext, const LangOptions &LO) const {
     // In C++ mode all extensions should work at least as in v2.0.
     auto CLVer = LO.OpenCLCPlusPlus ? 200 : LO.OpenCLVersion;
     auto I = OptMap.find(Ext)->getValue();
@@ -51,7 +51,7 @@ class OpenCLOptions {
 
   // Is supported (optional) OpenCL core features for OpenCL version \p CLVer.
   // For supported extension, return false.
-  bool isSupportedCore(llvm::StringRef Ext, LangOptions LO) const {
+  bool isSupportedCore(llvm::StringRef Ext, const LangOptions &LO) const {
     // In C++ mode all extensions should work at least as in v2.0.
     auto CLVer = LO.OpenCLCPlusPlus ? 200 : LO.OpenCLVersion;
     auto I = OptMap.find(Ext)->getValue();
@@ -60,7 +60,7 @@ class OpenCLOptions {
 
   // Is supported OpenCL extension for OpenCL version \p CLVer.
   // For supported (optional) core feature, return false.
-  bool isSupportedExtension(llvm::StringRef Ext, LangOptions LO) const {
+  bool isSupportedExtension(llvm::StringRef Ext, const LangOptions &LO) const {
     // In C++ mode all extensions should work at least as in v2.0.
     auto CLVer = LO.OpenCLCPlusPlus ? 200 : LO.OpenCLVersion;
     auto I = OptMap.find(Ext)->getValue();