Implement -cl-opt-disable

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@120876 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/include/clang/Driver/CC1Options.td b/include/clang/Driver/CC1Options.td
index 03a4dd9..27db9cf 100644
--- a/include/clang/Driver/CC1Options.td
+++ b/include/clang/Driver/CC1Options.td
@@ -592,3 +592,10 @@
   HelpText<"Print macro definitions in -E mode in addition to normal output">;
 def H : Flag<"-H">,
   HelpText<"Show header includes and nesting depth">;
+
+//===----------------------------------------------------------------------===//
+// OpenCL Options
+//===----------------------------------------------------------------------===//
+
+def cl_opt_disable : Flag<"-cl-opt-disable">,
+  HelpText<"OpenCL only. This option disables all optimizations. The default is optimizations are enabled.">;