Index: lib/Driver/Tools.cpp
===================================================================
--- lib/Driver/Tools.cpp
+++ lib/Driver/Tools.cpp
@@ -412,9 +412,9 @@
     A->render(Args, CmdArgs);
   }
 
-  Args.AddAllArgs(CmdArgs, options::OPT_D, options::OPT_U);
-  Args.AddAllArgs(CmdArgs, options::OPT_I_Group, options::OPT_F,
-                  options::OPT_index_header_map);
+  Args.AddAllArgs(CmdArgs,
+                  {options::OPT_D, options::OPT_U, options::OPT_I_Group,
+                   options::OPT_F, options::OPT_index_header_map});
 
   // Add -Wp, and -Xassembler if using the preprocessor.
 
@@ -5823,11 +5823,9 @@
   //----------------------------------------------------------------------------
   //
   //----------------------------------------------------------------------------
-  Args.AddAllArgs(CmdArgs, options::OPT_T_Group);
-  Args.AddAllArgs(CmdArgs, options::OPT_e);
-  Args.AddAllArgs(CmdArgs, options::OPT_s);
-  Args.AddAllArgs(CmdArgs, options::OPT_t);
-  Args.AddAllArgs(CmdArgs, options::OPT_u_Group);
+  Args.AddAllArgs(CmdArgs,
+                  {options::OPT_T_Group, options::OPT_e, options::OPT_s,
+                   options::OPT_t, options::OPT_u_Group});
 
   AddLinkerInputs(ToolChain, Inputs, Args, CmdArgs);
 
@@ -6182,12 +6180,9 @@
   const ToolChain::path_list &Paths = ToolChain.getFilePaths();
   for (const auto &Path : Paths)
     CmdArgs.push_back(Args.MakeArgString(StringRef("-L") + Path));
-  Args.AddAllArgs(CmdArgs, options::OPT_T_Group);
-  Args.AddAllArgs(CmdArgs, options::OPT_e);
-  Args.AddAllArgs(CmdArgs, options::OPT_s);
-  Args.AddAllArgs(CmdArgs, options::OPT_t);
-  Args.AddAllArgs(CmdArgs, options::OPT_Z_Flag);
-  Args.AddAllArgs(CmdArgs, options::OPT_r);
+  Args.AddAllArgs(CmdArgs,
+                  {options::OPT_T_Group, options::OPT_e, options::OPT_s,
+                   options::OPT_t, options::OPT_Z_Flag, options::OPT_r});
 
   if (D.IsUsingLTO(Args))
     AddGoldPlugin(ToolChain, Args, CmdArgs);
@@ -6516,13 +6511,9 @@
   // we follow suite for ease of comparison.
   AddLinkArgs(C, Args, CmdArgs, Inputs);
 
-  Args.AddAllArgs(CmdArgs, options::OPT_d_Flag);
-  Args.AddAllArgs(CmdArgs, options::OPT_s);
-  Args.AddAllArgs(CmdArgs, options::OPT_t);
-  Args.AddAllArgs(CmdArgs, options::OPT_Z_Flag);
-  Args.AddAllArgs(CmdArgs, options::OPT_u_Group);
-  Args.AddLastArg(CmdArgs, options::OPT_e);
-  Args.AddAllArgs(CmdArgs, options::OPT_r);
+  Args.AddAllArgs(CmdArgs, {options::OPT_d_Flag, options::OPT_s, options::OPT_t,
+                            options::OPT_Z_Flag, options::OPT_u_Group,
+                            options::OPT_e, options::OPT_r});
 
   // Forward -ObjC when either -ObjC or -ObjC++ is used, to force loading
   // members of static archive libraries which implement Objective-C classes or
@@ -6807,10 +6798,8 @@
 
   CmdArgs.push_back(Args.MakeArgString("-L" + GCCLibPath));
 
-  Args.AddAllArgs(CmdArgs, options::OPT_L);
-  Args.AddAllArgs(CmdArgs, options::OPT_T_Group);
-  Args.AddAllArgs(CmdArgs, options::OPT_e);
-  Args.AddAllArgs(CmdArgs, options::OPT_r);
+  Args.AddAllArgs(CmdArgs, {options::OPT_L, options::OPT_T_Group,
+                            options::OPT_e, options::OPT_r});
 
   AddLinkerInputs(getToolChain(), Inputs, Args, CmdArgs);
 
@@ -6983,13 +6972,9 @@
   CmdArgs.push_back(
       Args.MakeArgString("-L/usr/lib/gcc-lib/" + Triple + "/4.2.1"));
 
-  Args.AddAllArgs(CmdArgs, options::OPT_L);
-  Args.AddAllArgs(CmdArgs, options::OPT_T_Group);
-  Args.AddAllArgs(CmdArgs, options::OPT_e);
-  Args.AddAllArgs(CmdArgs, options::OPT_s);
-  Args.AddAllArgs(CmdArgs, options::OPT_t);
-  Args.AddAllArgs(CmdArgs, options::OPT_Z_Flag);
-  Args.AddAllArgs(CmdArgs, options::OPT_r);
+  Args.AddAllArgs(CmdArgs, {options::OPT_L, options::OPT_T_Group,
+                            options::OPT_e, options::OPT_s, options::OPT_t,
+                            options::OPT_Z_Flag, options::OPT_r});
 
   AddLinkerInputs(getToolChain(), Inputs, Args, CmdArgs);
 
@@ -7111,9 +7096,8 @@
     }
   }
 
-  Args.AddAllArgs(CmdArgs, options::OPT_L);
-  Args.AddAllArgs(CmdArgs, options::OPT_T_Group);
-  Args.AddAllArgs(CmdArgs, options::OPT_e);
+  Args.AddAllArgs(CmdArgs,
+                  {options::OPT_L, options::OPT_T_Group, options::OPT_e});
 
   AddLinkerInputs(getToolChain(), Inputs, Args, CmdArgs);
 
@@ -8540,9 +8524,8 @@
     CmdArgs.push_back(Args.MakeArgString(getToolChain().GetFilePath("crtn.o")));
   }
 
-  Args.AddAllArgs(CmdArgs, options::OPT_L);
-  Args.AddAllArgs(CmdArgs, options::OPT_T_Group);
-  Args.AddAllArgs(CmdArgs, options::OPT_e);
+  Args.AddAllArgs(CmdArgs,
+                  {options::OPT_L, options::OPT_T_Group, options::OPT_e});
 
   AddLinkerInputs(getToolChain(), Inputs, Args, CmdArgs);
 
@@ -8665,9 +8648,8 @@
           Args.MakeArgString(getToolChain().GetFilePath("crtbegin.o")));
   }
 
-  Args.AddAllArgs(CmdArgs, options::OPT_L);
-  Args.AddAllArgs(CmdArgs, options::OPT_T_Group);
-  Args.AddAllArgs(CmdArgs, options::OPT_e);
+  Args.AddAllArgs(CmdArgs,
+                  {options::OPT_L, options::OPT_T_Group, options::OPT_e});
 
   AddLinkerInputs(getToolChain(), Inputs, Args, CmdArgs);
 
@@ -8927,8 +8909,7 @@
   // any flag accepted by clang-cl.
 
   // These are spelled the same way in clang and cl.exe,.
-  Args.AddAllArgs(CmdArgs, options::OPT_D, options::OPT_U);
-  Args.AddAllArgs(CmdArgs, options::OPT_I);
+  Args.AddAllArgs(CmdArgs, {options::OPT_D, options::OPT_U, options::OPT_I});
 
   // Optimization level.
   if (Arg *A = Args.getLastArg(options::OPT_fbuiltin, options::OPT_fno_builtin))
@@ -9481,10 +9462,10 @@
   assert(II.getType() == types::TY_C || II.getType() == types::TY_CXX);
   assert(Output.getType() == types::TY_PP_Asm); // Require preprocessed asm.
 
-  // Append all -I, -iquote, -isystem paths.
-  Args.AddAllArgs(CmdArgs, options::OPT_clang_i_Group);
+  // Append all -I, -iquote, -isystem paths, and defines/undefines.
   // These are spelled the same way in clang and moviCompile.
-  Args.AddAllArgs(CmdArgs, options::OPT_D, options::OPT_U);
+  Args.AddAllArgs(CmdArgs,
+                  {options::OPT_clang_i_Group, options::OPT_D, options::OPT_U});
 
   CmdArgs.push_back("-DMYRIAD2");
   CmdArgs.push_back("-mcpu=myriad2");