[llvm] [docs] Add missing command line options to llvm-profgen.rst (PR #192890)

[Kartik Ohlan via llvm-commits]

https://github.com/Ko496-glitch created https://github.com/llvm/llvm-project/pull/192890

Resolves #192867

This PR fix some of the undocumented options that are visible in llvm-profgen --help and --help-hidden


>From 5f82440c86202b1116aa850c9bc7d02acdb8f448 Mon Sep 17 00:00:00 2001
From: Kartik Ohlan <kartik7ohlan at gmail.com>
Date: Sun, 19 Apr 2026 23:47:47 -0400
Subject: [PATCH] Added some undocumented options

---
 llvm/docs/CommandGuide/llvm-profgen.rst | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/llvm/docs/CommandGuide/llvm-profgen.rst b/llvm/docs/CommandGuide/llvm-profgen.rst
index e515612983894..0622564bc7e2a 100644
--- a/llvm/docs/CommandGuide/llvm-profgen.rst
+++ b/llvm/docs/CommandGuide/llvm-profgen.rst
@@ -54,3 +54,17 @@ OPTIONS
 
   Specify whether to print assembly code in AT&T syntax (the default) or Intel
   syntax.
+
+.. option:: --debug-binary=<debug-binary>
+    
+   Path of debug info binary. ``llvm-profgen`` will load the DWARF info from
+   it instead of the executable binary.
+  
+.. option:: --pid
+
+   Process Id for the profiled executable binary.
+
+.. option:: --output=<output>
+    
+   Path of the output profile file.
+