3 files changed, 15 insertions, 3 deletions
diff --git a/include/llvm/CompilerDriver/Common.td b/include/llvm/CompilerDriver/Common.td
index 9c3e861..479bd6e 100644
--- a/include/llvm/CompilerDriver/Common.td
+++ b/include/llvm/CompilerDriver/Common.td
@@ -20,9 +20,12 @@ class Tool<list<dag> l> {
 def in_language;
 def out_language;
 def output_suffix;
-def cmd_line;
+def command;
+def out_file_option;
+def in_file_option;
 def join;
 def sink;
+def works_on_empty;
 def actions;
 
 // Possible option types.
@@ -46,6 +49,7 @@ def optional;
 def really_hidden;
 def required;
 def comma_separated;
+def forward_not_split;
 
 // The 'case' construct.
 def case;
@@ -81,6 +85,7 @@ def forward_as;
 def forward_value;
 def forward_transformed_value;
 def stop_compilation;
+def no_out_file;
 def unpack_values;
 def warning;
 def error;
diff --git a/include/llvm/CompilerDriver/Main.inc b/include/llvm/CompilerDriver/Main.inc
index fc8b503..71bb8cb 100644
--- a/include/llvm/CompilerDriver/Main.inc
+++ b/include/llvm/CompilerDriver/Main.inc
@@ -10,7 +10,7 @@
 //  This tool provides a single point of access to the LLVM
 //  compilation tools.  It has many options. To discover the options
 //  supported please refer to the tools' manual page or run the tool
-//  with the --help option.
+//  with the -help option.
 //
 //  This file provides the default entry point for the driver executable.
 //
diff --git a/include/llvm/CompilerDriver/Tool.h b/include/llvm/CompilerDriver/Tool.h
index a982e2d..85d1690 100644
--- a/include/llvm/CompilerDriver/Tool.h
+++ b/include/llvm/CompilerDriver/Tool.h
@@ -20,15 +20,19 @@
 #include "llvm/ADT/StringSet.h"
 #include "llvm/System/Path.h"
 
+#include <string>
 #include <vector>
+#include <utility>
 
 namespace llvmc {
 
   class LanguageMap;
+  typedef std::vector<std::pair<unsigned, std::string> > ArgsVector;
   typedef std::vector<llvm::sys::Path> PathVector;
+  typedef std::vector<std::string> StrVector;
   typedef llvm::StringSet<> InputLanguagesSet;
 
-  /// Tool - A class
+  /// Tool - Represents a single tool.
   class Tool : public llvm::RefCountedBaseVPTR<Tool> {
   public:
 
@@ -51,6 +55,7 @@ namespace llvmc {
     virtual const char*  OutputLanguage() const = 0;
 
     virtual bool IsJoin() const = 0;
+    virtual bool WorksOnEmpty() const = 0;
 
   protected:
     /// OutFileName - Generate the output file name.
@@ -58,6 +63,8 @@ namespace llvmc {
                                 const llvm::sys::Path& TempDir,
                                 bool StopCompilation,
                                 const char* OutputSuffix) const;
+
+    StrVector SortArgs(ArgsVector& Args) const;
   };
 
   /// JoinTool - A Tool that has an associated input file list.