[DTLTO][LLD] Tidy up DTLTO related options (NFC) (#161675)

Change LLD DTLTO option definitions to match actual option name.

Author: nga888

lld/COFF/Driver.cpp

@@ -2104,18 +2104,18 @@ void LinkerDriver::linkerMain(ArrayRef<const char *> argsArr) {
   config->dtltoDistributor = args.getLastArgValue(OPT_thinlto_distributor);
 
   // Handle /thinlto-distributor-arg:<arg>
-  for (auto *arg : args.filtered(OPT_thinlto_distributor_arg))
-    config->dtltoDistributorArgs.push_back(arg->getValue());
+  config->dtltoDistributorArgs =
+      args::getStrings(args, OPT_thinlto_distributor_arg);
 
   // Handle /thinlto-remote-compiler:<path>
-  config->dtltoCompiler = args.getLastArgValue(OPT_thinlto_compiler);
+  config->dtltoCompiler = args.getLastArgValue(OPT_thinlto_remote_compiler);
   if (!config->dtltoDistributor.empty() && config->dtltoCompiler.empty())
     Err(ctx) << "A value must be specified for /thinlto-remote-compiler if "
                 "/thinlto-distributor is specified.";
 
   // Handle /thinlto-remote-compiler-arg:<arg>
-  for (auto *arg : args.filtered(OPT_thinlto_compiler_arg))
-    config->dtltoCompilerArgs.push_back(arg->getValue());
+  config->dtltoCompilerArgs =
+      args::getStrings(args, OPT_thinlto_remote_compiler_arg);
 
   // Handle /dwodir
   config->dwoDir = args.getLastArgValue(OPT_dwodir);

lld/COFF/Options.td

@@ -289,10 +289,10 @@ def thinlto_distributor : P<"thinlto-distributor",
   "backend compilations will be distributed">;
 def thinlto_distributor_arg : P<"thinlto-distributor-arg",
   "Arguments to pass to the ThinLTO distributor">;
-def thinlto_compiler : P<"thinlto-remote-compiler",
+def thinlto_remote_compiler : P<"thinlto-remote-compiler",
   "Compiler for the ThinLTO distributor to invoke for ThinLTO backend "
   "compilations">;
-def thinlto_compiler_arg : P<"thinlto-remote-compiler-arg",
+def thinlto_remote_compiler_arg : P<"thinlto-remote-compiler-arg",
   "Compiler arguments for the ThinLTO distributor to pass for ThinLTO backend "
   "compilations">;
 def lto_obj_path : P<

lld/ELF/Driver.cpp

@@ -1399,8 +1399,9 @@ static void readConfigs(Ctx &ctx, opt::InputArgList &args) {
   ctx.arg.dtltoDistributor = args.getLastArgValue(OPT_thinlto_distributor_eq);
   ctx.arg.dtltoDistributorArgs =
       args::getStrings(args, OPT_thinlto_distributor_arg);
-  ctx.arg.dtltoCompiler = args.getLastArgValue(OPT_thinlto_compiler_eq);
-  ctx.arg.dtltoCompilerArgs = args::getStrings(args, OPT_thinlto_compiler_arg);
+  ctx.arg.dtltoCompiler = args.getLastArgValue(OPT_thinlto_remote_compiler_eq);
+  ctx.arg.dtltoCompilerArgs =
+      args::getStrings(args, OPT_thinlto_remote_compiler_arg);
   ctx.arg.dwoDir = args.getLastArgValue(OPT_plugin_opt_dwo_dir_eq);
   ctx.arg.dynamicLinker = getDynamicLinker(ctx, args);
   ctx.arg.ehFrameHdr =

lld/ELF/Options.td

@@ -722,11 +722,11 @@ def thinlto_distributor_eq: JJ<"thinlto-distributor=">,
   "ThinLTO backend compilations will be distributed">;
 defm thinlto_distributor_arg: EEq<"thinlto-distributor-arg", "Arguments to "
   "pass to the ThinLTO distributor">;
-def thinlto_compiler_eq: JJ<"thinlto-remote-compiler=">,
+def thinlto_remote_compiler_eq: JJ<"thinlto-remote-compiler=">,
   HelpText<"Compiler for the ThinLTO distributor to invoke for ThinLTO backend "
   "compilations">;
-defm thinlto_compiler_arg: EEq<"thinlto-remote-compiler-arg", "Compiler "
-  "arguments for the ThinLTO distributor to pass for ThinLTO backend "
+defm thinlto_remote_compiler_arg: EEq<"thinlto-remote-compiler-arg",
+  "Compiler arguments for the ThinLTO distributor to pass for ThinLTO backend "
   "compilations">;
 defm fat_lto_objects: BB<"fat-lto-objects",
     "Use the .llvm.lto section, which contains LLVM bitcode, in fat LTO object files to perform LTO.",