clang-cc: Honor -help and -version when using new style option parsing.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@90422 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/tools/clang-cc/clang-cc.cpp b/tools/clang-cc/clang-cc.cpp
index b189b4b..de8878f 100644
--- a/tools/clang-cc/clang-cc.cpp
+++ b/tools/clang-cc/clang-cc.cpp
@@ -311,6 +311,22 @@
(void*)(intptr_t) GetBuiltinIncludePath,
Diags);
+ // Honor -help.
+ if (Clang.getInvocation().getFrontendOpts().ShowHelp) {
+ llvm::OwningPtr<driver::OptTable> Opts(driver::createCC1OptTable());
+ Opts->PrintHelp(llvm::outs(), "clang-cc",
+ "LLVM 'Clang' Compiler: http://clang.llvm.org");
+ return 0;
+ }
+
+ // Honor -version.
+ //
+ // FIXME: Use a better -version message?
+ if (Clang.getInvocation().getFrontendOpts().ShowVersion) {
+ llvm::cl::PrintVersionMessage();
+ return 0;
+ }
+
// Create the actual diagnostics engine.
Clang.createDiagnostics(argc, argv);
if (!Clang.hasDiagnostics())