Inline printHelp.

[ruiu]

Summary

Inline printHelp.

lld/wasm/Driver.cpp

 static Optional<std::string> findFile(StringRef Path1, const Twine &Path2) {
   SmallString<128> S;
   path::append(S, Path1, Path2);
   if (fs::exists(S))
     return S.str().str();
   return None;
 }
 
-static void printHelp(const char *Argv0) {
-  WasmOptTable().PrintHelp(outs(), Argv0, "LLVM Linker", false);
-}
-
 opt::InputArgList WasmOptTable::parse(ArrayRef<const char *> Argv) {
   SmallVector<const char *, 256> Vec(Argv.data(), Argv.data() + Argv.size());
 
   unsigned MissingIndex;
   unsigned MissingCount;
   opt::InputArgList Args = this->ParseArgs(Vec, MissingIndex, MissingCount);
 
   handleColorDiagnostics(Args);

 }
 
 void LinkerDriver::link(ArrayRef<const char *> ArgsArr) {
   WasmOptTable Parser;
   opt::InputArgList Args = Parser.parse(ArgsArr.slice(1));
 
   // Handle --help
   if (Args.hasArg(OPT_help)) {
-    printHelp(ArgsArr[0]);
+    Parser.PrintHelp(outs(), ArgsArr[0], "LLVM Linker", false);
     return;
   }
 
   // Parse and evaluate -mllvm options.
   std::vector<const char *> V;
   V.push_back("wasm-ld (LLVM option parsing)");
   for (auto *Arg : Args.filtered(OPT_mllvm))
     V.push_back(Arg->getValue());