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annotate utils/DSAclean.py @ 0:95c75e76d11b LLVM3.4

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LLVM 3.4
author Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
date Thu, 12 Dec 2013 13:56:28 +0900
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children c2174574ed3a
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95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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1 #! /usr/bin/python
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2
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3 #changelog:
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4 #10/13/2005b: replaced the # in tmp(.#*)* with alphanumeric and _, this will then remove
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5 #nodes such as %tmp.1.i and %tmp._i.3
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6 #10/13/2005: exntended to remove variables of the form %tmp(.#)* rather than just
95c75e76d11b LLVM 3.4
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7 #%tmp.#, i.e. it now will remove %tmp.12.3.15 etc, additionally fixed a spelling error in
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8 #the comments
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9 #10/12/2005: now it only removes nodes and edges for which the label is %tmp.# rather
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10 #than removing all lines for which the lable CONTAINS %tmp.#
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11 import re
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12 import sys
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13 if( len(sys.argv) < 3 ):
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14 print 'usage is: ./DSAclean <dot_file_to_be_cleaned> <out_put_file>'
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15 sys.exit(1)
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16 #get a file object
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17 input = open(sys.argv[1], 'r')
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18 output = open(sys.argv[2], 'w')
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19 #we'll get this one line at a time...while we could just put the whole thing in a string
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20 #it would kill old computers
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21 buffer = input.readline()
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22 while buffer != '':
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23 if re.compile("label(\s*)=(\s*)\"\s%tmp(.\w*)*(\s*)\"").search(buffer):
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24 #skip next line, write neither this line nor the next
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25 buffer = input.readline()
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26 else:
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27 #this isn't a tmp Node, we can write it
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28 output.write(buffer)
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29 #prepare for the next iteration
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30 buffer = input.readline()
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31 input.close()
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32 output.close()