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#!/usr/bin/env python3
#===- lib/fuzzer/scripts/merge_data_flow.py ------------------------------===#
#
# Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
# See https://llvm.org/LICENSE.txt for license information.
# SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
#
#===------------------------------------------------------------------------===#
# Merge several data flow traces into one.
# Usage:
# merge_data_flow.py trace1 trace2 ... > result
#===------------------------------------------------------------------------===#
import sys
import fileinput
from array import array
def Merge(a, b):
res = array('b')
for i in range(0, len(a)):
res.append(ord('1' if a[i] == '1' or b[i] == '1' else '0'))
return res.tostring().decode('utf-8')
def main(argv):
D = {}
for line in fileinput.input():
[F,BV] = line.strip().split(' ')
if F in D:
D[F] = Merge(D[F], BV)
else:
D[F] = BV;
for F in D.keys():
if isinstance(D[F], str):
value = D[F]
else:
value = D[F].decode('utf-8')
print("%s %s" % (F, value))
if __name__ == '__main__':
main(sys.argv)
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