[PATCH] D51109: [Driver][cc1][cc1as] Call OptTable::PrintHelp with explicit " [options] file..."

[Fangrui Song via Phabricator via cfe-commits]

MaskRay updated this revision to Diff 168913.
MaskRay retitled this revision from "[cc1][cc1as] Call OptTable::PrintHelp with explicit " [options] file..."" to "[Driver][cc1][cc1as] Call OptTable::PrintHelp with explicit " [options] file..."".
MaskRay added a comment.

Another reference in driver


Repository:
  rC Clang

https://reviews.llvm.org/D51109

Files:
  lib/Driver/Driver.cpp
  lib/FrontendTool/ExecuteCompilerInvocation.cpp
  tools/driver/cc1as_main.cpp


Index: tools/driver/cc1as_main.cpp
===================================================================
--- tools/driver/cc1as_main.cpp
+++ tools/driver/cc1as_main.cpp
@@ -534,7 +534,8 @@
 
   if (Asm.ShowHelp) {
     std::unique_ptr<OptTable> Opts(driver::createDriverOptTable());
-    Opts->PrintHelp(llvm::outs(), "clang -cc1as", "Clang Integrated Assembler",
+    Opts->PrintHelp(llvm::outs(), "clang -cc1as [options] file...",
+                    "Clang Integrated Assembler",
                     /*Include=*/driver::options::CC1AsOption, /*Exclude=*/0,
                     /*ShowAllAliases=*/false);
     return 0;
Index: lib/FrontendTool/ExecuteCompilerInvocation.cpp
===================================================================
--- lib/FrontendTool/ExecuteCompilerInvocation.cpp
+++ lib/FrontendTool/ExecuteCompilerInvocation.cpp
@@ -183,7 +183,7 @@
   // Honor -help.
   if (Clang->getFrontendOpts().ShowHelp) {
     std::unique_ptr<OptTable> Opts = driver::createDriverOptTable();
-    Opts->PrintHelp(llvm::outs(), "clang -cc1",
+    Opts->PrintHelp(llvm::outs(), "clang -cc1 [options] file...",
                     "LLVM 'Clang' Compiler: http://clang.llvm.org",
                     /*Include=*/driver::options::CC1Option,
                     /*Exclude=*/0, /*ShowAllAliases=*/false);
Index: lib/Driver/Driver.cpp
===================================================================
--- lib/Driver/Driver.cpp
+++ lib/Driver/Driver.cpp
@@ -68,6 +68,7 @@
 #include "llvm/Support/CommandLine.h"
 #include "llvm/Support/ErrorHandling.h"
 #include "llvm/Support/FileSystem.h"
+#include "llvm/Support/FormatVariadic.h"
 #include "llvm/Support/Path.h"
 #include "llvm/Support/PrettyStackTrace.h"
 #include "llvm/Support/Process.h"
@@ -1433,7 +1434,8 @@
   if (!ShowHidden)
     ExcludedFlagsBitmask |= HelpHidden;
 
-  getOpts().PrintHelp(llvm::outs(), Name.c_str(), DriverTitle.c_str(),
+  std::string Usage = llvm::formatv("{0} [options] file...", Name).str();
+  getOpts().PrintHelp(llvm::outs(), Usage.c_str(), DriverTitle.c_str(),
                       IncludedFlagsBitmask, ExcludedFlagsBitmask,
                       /*ShowAllAliases=*/false);
 }


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