[llvm-branch-commits] [llvm] [BOLT][NFC] Update nfc-check-setup.py guidance (PR #146659)

[Paschalis Mpeis via llvm-branch-commits]

https://github.com/paschalis-mpeis created https://github.com/llvm/llvm-project/pull/146659

None

>From 8cc8661aa2df5e5a6e04752083335a865b0178fe Mon Sep 17 00:00:00 2001
From: Paschalis Mpeis <Paschalis.Mpeis at arm.com>
Date: Wed, 2 Jul 2025 10:35:22 +0100
Subject: [PATCH] [BOLT][NFC] Update nfc-check-setup.py guidance

---
 bolt/utils/nfc-check-setup.py | 11 ++++++-----
 1 file changed, 6 insertions(+), 5 deletions(-)

diff --git a/bolt/utils/nfc-check-setup.py b/bolt/utils/nfc-check-setup.py
index 6cf1df5c177ae..87a134aea37ca 100755
--- a/bolt/utils/nfc-check-setup.py
+++ b/bolt/utils/nfc-check-setup.py
@@ -47,8 +47,10 @@ def main():
     parser = argparse.ArgumentParser(
         description=textwrap.dedent(
             """
-            This script builds two versions of BOLT (with the current and
-            previous revision).
+            This script builds two versions of BOLT:
+            llvm-bolt.new, using the current revision, and llvm-bolt.old using
+            the previous revision. These can be used to check whether the
+            current revision changes BOLT's functional behavior.
             """
         )
     )
@@ -156,9 +158,8 @@ def main():
     os.replace(bolt_path, f"{bolt_path}.old")
 
     print(
-        f"Build directory {args.build_dir} is ready to run BOLT tests, e.g.\n"
-        "\tbin/llvm-lit -sv tools/bolt/test\nor\n"
-        "\tbin/llvm-lit -sv tools/bolttests"
+        f"Build directory {args.build_dir} is ready for NFC-Mode comparison "
+        "between the two revisions."
     )