From 1bcb6d2dd55304afb809e02bf9832536b2569e76 Mon Sep 17 00:00:00 2001 From: Jinsong Ji Date: Thu, 15 Aug 2019 22:07:59 +0000 Subject: [PATCH] [Utils][NFC] Copy bisect usage documents from commit msg into script. Copy the message into script, so that new users won't need to dig into commit messages to figure out how to use. The message are copied directly from Michael's commit message in https://reviews.llvm.org/rL214610. llvm-svn: 369054 --- utils/bisect | 14 +++++++++++++- 1 file changed, 13 insertions(+), 1 deletion(-) diff --git a/utils/bisect b/utils/bisect index d1b12575e9c..0f9e53afa7f 100755 --- a/utils/bisect +++ b/utils/bisect @@ -1,5 +1,17 @@ #!/usr/bin/env python - +# +# The way you use this is you create a script that takes in as its first +# argument a count. The script passes into LLVM the count via a command +# line flag that disables a pass after LLVM has run after the pass has +# run for count number of times. Then the script invokes a test of some +# sort and indicates whether LLVM successfully compiled the test via the +# scripts exit status. Then you invoke bisect as follows: +# +# bisect --start= --end= ./script.sh "%(count)s" +# +# And bisect will continually call ./script.sh with various counts using +# the exit status to determine success and failure. +# import os import sys import argparse