node/deps/v8/tools/check-unused-bailouts.sh
Michaël Zasso 3d1b3df948 deps: update V8 to 6.2.414.32
PR-URL: https://github.com/nodejs/node/pull/15362
Reviewed-By: Myles Borins <myles.borins@gmail.com>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Matteo Collina <matteo.collina@gmail.com>
Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl>
2017-10-18 17:01:41 -07:00

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#!/bin/bash
# Copyright 2015 the V8 project authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
v8_root=$(readlink -f $(dirname $BASH_SOURCE)/../)
bailouts=$(
grep \
--only-matching \
--perl-regexp 'V\(\K(k[^,]*)' \
-- "$v8_root/src/bailout-reason.h")
# Find bailouts which appear exactly once (in bailout-reason.h)
grep \
--only-matching \
--no-filename \
--recursive \
--word-regexp \
--fixed-strings "$bailouts" \
-- "$v8_root/src" "$v8_root/test/cctest" \
| sort \
| uniq -u \
| sed -e 's/.*/Bailout reason "&" seems to be unused./'
echo "Kthxbye."