From 010893855823ef9f2b46587d5b4ef7738b75abfb Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Timm=20B=C3=A4der?= <tbaeder@redhat.com>
Date: Tue, 13 Jul 2021 16:37:26 +0200
Subject: [PATCH] [llvm][tools] Hide unrelated llvm-bcanalyzer options

They otherwise show up when we link against the dynamic libLLVM.so.

Differential Revision: https://reviews.llvm.org/D105893
---
 test/tools/llvm-bcanalyzer/help.test      |  7 ++++++
 tools/llvm-bcanalyzer/llvm-bcanalyzer.cpp | 29 ++++++++++++++++-------
 2 files changed, 28 insertions(+), 8 deletions(-)
 create mode 100644 test/tools/llvm-bcanalyzer/help.test

diff --git a/test/tools/llvm-bcanalyzer/help.test b/test/tools/llvm-bcanalyzer/help.test
new file mode 100644
index 00000000000..7e0d67562d3
--- /dev/null
+++ b/test/tools/llvm-bcanalyzer/help.test
@@ -0,0 +1,7 @@
+# RUN: llvm-bcanalyzer --help | FileCheck %s --check-prefix HELP --implicit-check-not='{{[Oo]}}ptions:'
+
+# HELP: OVERVIEW: llvm-bcanalyzer file analyzer
+# HELP: USAGE
+# HELP: BC Analyzer Options
+# HELP: Color Options
+# HELP: Generic Options
diff --git a/tools/llvm-bcanalyzer/llvm-bcanalyzer.cpp b/tools/llvm-bcanalyzer/llvm-bcanalyzer.cpp
index 639a6d1ec02..ca22cc45d06 100644
--- a/tools/llvm-bcanalyzer/llvm-bcanalyzer.cpp
+++ b/tools/llvm-bcanalyzer/llvm-bcanalyzer.cpp
@@ -32,37 +32,48 @@
 #include "llvm/Support/Error.h"
 #include "llvm/Support/InitLLVM.h"
 #include "llvm/Support/MemoryBuffer.h"
+#include "llvm/Support/WithColor.h"
 #include "llvm/Support/raw_ostream.h"
 #include <memory>
 using namespace llvm;
 
-static cl::opt<std::string>
-    InputFilename(cl::Positional, cl::desc("<input bitcode>"), cl::init("-"));
+static cl::OptionCategory BCAnalyzerCategory("BC Analyzer Options");
 
-static cl::opt<bool> Dump("dump", cl::desc("Dump low level bitcode trace"));
+static cl::opt<std::string> InputFilename(cl::Positional,
+                                          cl::desc("<input bitcode>"),
+                                          cl::init("-"),
+                                          cl::cat(BCAnalyzerCategory));
+
+static cl::opt<bool> Dump("dump", cl::desc("Dump low level bitcode trace"),
+                          cl::cat(BCAnalyzerCategory));
 
 //===----------------------------------------------------------------------===//
 // Bitcode specific analysis.
 //===----------------------------------------------------------------------===//
 
 static cl::opt<bool> NoHistogram("disable-histogram",
-                                 cl::desc("Do not print per-code histogram"));
+                                 cl::desc("Do not print per-code histogram"),
+                                 cl::cat(BCAnalyzerCategory));
 
 static cl::opt<bool> NonSymbolic("non-symbolic",
                                  cl::desc("Emit numeric info in dump even if"
-                                          " symbolic info is available"));
+                                          " symbolic info is available"),
+                                 cl::cat(BCAnalyzerCategory));
 
 static cl::opt<std::string>
     BlockInfoFilename("block-info",
-                      cl::desc("Use the BLOCK_INFO from the given file"));
+                      cl::desc("Use the BLOCK_INFO from the given file"),
+                      cl::cat(BCAnalyzerCategory));
 
 static cl::opt<bool>
     ShowBinaryBlobs("show-binary-blobs",
-                    cl::desc("Print binary blobs using hex escapes"));
+                    cl::desc("Print binary blobs using hex escapes"),
+                    cl::cat(BCAnalyzerCategory));
 
 static cl::opt<std::string> CheckHash(
     "check-hash",
-    cl::desc("Check module hash using the argument as a string table"));
+    cl::desc("Check module hash using the argument as a string table"),
+    cl::cat(BCAnalyzerCategory));
 
 static Error reportError(StringRef Message) {
   return createStringError(std::errc::illegal_byte_sequence, Message.data());
@@ -85,6 +96,8 @@ static Expected<std::unique_ptr<MemoryBuffer>> openBitcodeFile(StringRef Path) {
 
 int main(int argc, char **argv) {
   InitLLVM X(argc, argv);
+
+  cl::HideUnrelatedOptions({&BCAnalyzerCategory, &ColorCategory});
   cl::ParseCommandLineOptions(argc, argv, "llvm-bcanalyzer file analyzer\n");
   ExitOnError ExitOnErr("llvm-bcanalyzer: ");