Add clang -cc1 -load option.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@90413 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/include/clang/Basic/DiagnosticFrontendKinds.td b/include/clang/Basic/DiagnosticFrontendKinds.td
index c36d1c4..fa34cac 100644
--- a/include/clang/Basic/DiagnosticFrontendKinds.td
+++ b/include/clang/Basic/DiagnosticFrontendKinds.td
@@ -39,6 +39,8 @@
     "could not remap from missing file '%0'">, DefaultFatal;
 def err_fe_unable_to_load_pch : Error<
     "unable to load PCH file">;
+def err_fe_unable_to_load_plugin : Error<
+    "unable to load plugin '%0': '%1'">;
 
 def err_verify_bogus_characters : Error<
     "bogus characters before '{{' in expected string">;
diff --git a/include/clang/Driver/CC1Options.td b/include/clang/Driver/CC1Options.td
index b34fe03..74aa11b 100644
--- a/include/clang/Driver/CC1Options.td
+++ b/include/clang/Driver/CC1Options.td
@@ -205,6 +205,8 @@
 def fixit_at : Separate<"-fixit-at">, MetaVarName<"source-location">,
   HelpText<"Perform Fix-It modifications at the given source location">;
 def o : Separate<"-o">, MetaVarName<"path">, HelpText<"Specify output file">;
+def load : Separate<"-load">, MetaVarName<"dsopath">,
+  HelpText<"Load the named plugin (dynamic shared object)">;
 def plugin : Separate<"-plugin">,
   HelpText<"Use the named plugin action (use \"help\" to list available options)">;
 
diff --git a/include/clang/Frontend/FrontendOptions.h b/include/clang/Frontend/FrontendOptions.h
index c1ec8e7..ce60941 100644
--- a/include/clang/Frontend/FrontendOptions.h
+++ b/include/clang/Frontend/FrontendOptions.h
@@ -105,6 +105,9 @@
   /// The name of the action to run when using a plugin action.
   std::string ActionName;
 
+  /// The list of plugins to load.
+  std::vector<std::string> Plugins;
+
 public:
   FrontendOptions() {
     DebugCodeCompletionPrinter = 1;