diff --git a/clang/lib/Driver/Tools.cpp b/clang/lib/Driver/Tools.cpp
index 7cd57b92fc9c..697940829b8c 100644
--- a/clang/lib/Driver/Tools.cpp
+++ b/clang/lib/Driver/Tools.cpp
@@ -1398,8 +1398,8 @@ static const char *GetArmArchForMCpu(llvm::StringRef Value) {
   return 0;
 }
 
-void darwin::Link::AddDarwinArch(const ArgList &Args,
-                                 ArgStringList &CmdArgs) const {
+void darwin::DarwinTool::AddDarwinArch(const ArgList &Args,
+                                       ArgStringList &CmdArgs) const {
   // Derived from darwin_arch spec.
   CmdArgs.push_back("-arch");
 
@@ -1433,8 +1433,8 @@ void darwin::Link::AddDarwinArch(const ArgList &Args,
   }
 }
 
-void darwin::Link::AddDarwinSubArch(const ArgList &Args,
-                                    ArgStringList &CmdArgs) const {
+void darwin::DarwinTool::AddDarwinSubArch(const ArgList &Args,
+                                          ArgStringList &CmdArgs) const {
   // Derived from darwin_subarch spec, not sure what the distinction
   // exists for but at least for this chain it is the same.
   AddDarwinArch(Args, CmdArgs);
diff --git a/clang/lib/Driver/Tools.h b/clang/lib/Driver/Tools.h
index c584b5ef05ec..a6d4e9c0ab16 100644
--- a/clang/lib/Driver/Tools.h
+++ b/clang/lib/Driver/Tools.h
@@ -124,7 +124,20 @@ namespace gcc {
 } // end namespace gcc
 
 namespace darwin {
-  class VISIBILITY_HIDDEN CC1 : public Tool  {
+  class VISIBILITY_HIDDEN DarwinTool : public Tool {
+  protected:
+    void AddDarwinArch(const ArgList &Args, ArgStringList &CmdArgs) const;
+    void AddDarwinSubArch(const ArgList &Args, ArgStringList &CmdArgs) const;
+
+    const toolchains::Darwin &getDarwinToolChain() const {
+      return reinterpret_cast<const toolchains::Darwin&>(getToolChain());
+    }
+
+  public:
+    DarwinTool(const char *Name, const ToolChain &TC) : Tool(Name, TC) {};
+  };
+
+  class VISIBILITY_HIDDEN CC1 : public DarwinTool  {
   public:
     static const char *getBaseInputName(const ArgList &Args,
                                  const InputInfoList &Input);
@@ -149,7 +162,7 @@ namespace darwin {
     void AddCPPArgs(const ArgList &Args, ArgStringList &CmdArgs) const;
 
   public:
-    CC1(const char *Name, const ToolChain &TC) : Tool(Name, TC) {}
+    CC1(const char *Name, const ToolChain &TC) : DarwinTool(Name, TC) {}
 
     virtual bool acceptsPipedInput() const { return true; }
     virtual bool canPipeOutput() const { return true; }
@@ -180,9 +193,9 @@ namespace darwin {
                               const char *LinkingOutput) const;
   };
 
-  class VISIBILITY_HIDDEN Assemble : public Tool  {
+  class VISIBILITY_HIDDEN Assemble : public DarwinTool  {
   public:
-    Assemble(const ToolChain &TC) : Tool("darwin::Assemble", TC) {}
+    Assemble(const ToolChain &TC) : DarwinTool("darwin::Assemble", TC) {}
 
     virtual bool acceptsPipedInput() const { return true; }
     virtual bool canPipeOutput() const { return false; }
@@ -196,19 +209,11 @@ namespace darwin {
                               const char *LinkingOutput) const;
   };
 
-  class VISIBILITY_HIDDEN Link : public Tool  {
-    void AddDarwinArch(const ArgList &Args, ArgStringList &CmdArgs) const;
-    void AddDarwinSubArch(const ArgList &Args, ArgStringList &CmdArgs) const;
+  class VISIBILITY_HIDDEN Link : public DarwinTool  {
     void AddLinkArgs(const ArgList &Args, ArgStringList &CmdArgs) const;
 
-    const toolchains::Darwin &getDarwinToolChain() const {
-      return reinterpret_cast<const toolchains::Darwin&>(getToolChain());
-    }
-
   public:
-    Link(const ToolChain &TC)
-      : Tool("darwin::Link", TC) {
-    }
+    Link(const ToolChain &TC) : DarwinTool("darwin::Link", TC) {}
 
     virtual bool acceptsPipedInput() const { return false; }
     virtual bool canPipeOutput() const { return false; }
@@ -222,9 +227,9 @@ namespace darwin {
                               const char *LinkingOutput) const;
   };
 
-  class VISIBILITY_HIDDEN Lipo : public Tool  {
+  class VISIBILITY_HIDDEN Lipo : public DarwinTool  {
   public:
-    Lipo(const ToolChain &TC) : Tool("darwin::Lipo", TC) {}
+    Lipo(const ToolChain &TC) : DarwinTool("darwin::Lipo", TC) {}
 
     virtual bool acceptsPipedInput() const { return false; }
     virtual bool canPipeOutput() const { return false; }