v8/tools/check-unused-bailouts.sh
mstarzinger 4b22d5eca2 Remove unused bailout reasons.
This also adds a script to the tools directory that allows to grep for
unused bailout reasons. For now the script needs to be run manually.

R=mvstanton@chromium.org

Review URL: https://codereview.chromium.org/1237623003

Cr-Commit-Position: refs/heads/master@{#29609}
2015-07-13 13:34:12 +00:00

17 lines
531 B
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Executable File

#!/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 -oP 'V\(\K(k[^,]*)' "$v8_root/src/bailout-reason.h")
for bailout in $bailouts; do
bailout_uses=$(grep -r $bailout "$v8_root/src" "$v8_root/test/cctest" | wc -l)
if [ $bailout_uses -eq "1" ]; then
echo "Bailout reason \"$bailout\" seems to be unused."
fi
done
echo "Kthxbye."