1#!/usr/bin/python
2import re, string, sys, os, time, math
3
4DEBUG = 0
5
6(tp, exp) = ('compile', 'exec')
7
8def parse(file):
9  f = open(file, 'r')
10  d = f.read()
11
12  # Cleanup weird stuff
13  d = re.sub(r',\d+:\d', '', d)
14
15  r = re.findall(r'TEST-(PASS|FAIL|RESULT.*?):\s+(.*?)\s+(.*?)\r*\n', d)
16
17  test = {}
18  fname = ''
19  for t in r:
20    if DEBUG:
21      print t
22
23    if t[0] == 'PASS' or t[0] == 'FAIL' :
24      tmp = t[2].split('llvm-test/')
25
26      if DEBUG:
27        print tmp
28
29      if len(tmp) == 2:
30        fname = tmp[1].strip('\r\n')
31      else:
32        fname = tmp[0].strip('\r\n')
33
34      if not test.has_key(fname):
35        test[fname] = {}
36
37      test[fname][t[1] + ' state'] = t[0]
38      test[fname][t[1] + ' time'] = float('nan')
39    else :
40      try:
41        n = t[0].split('RESULT-')[1]
42
43        if DEBUG:
44          print "n == ", n;
45
46        if n == 'compile-success':
47          test[fname]['compile time'] = float(t[2].split('program')[1].strip('\r\n'))
48
49        elif n == 'exec-success':
50          test[fname]['exec time'] = float(t[2].split('program')[1].strip('\r\n'))
51          if DEBUG:
52            print test[fname][string.replace(n, '-success', '')]
53
54        else :
55          # print "ERROR!"
56          sys.exit(1)
57
58      except:
59          continue
60
61  return test
62
63# Diff results and look for regressions.
64def diffResults(d_old, d_new):
65
66  for t in sorted(d_old.keys()) :
67    if d_new.has_key(t):
68
69      # Check if the test passed or failed.
70      for x in ['compile state', 'compile time', 'exec state', 'exec time']:
71
72        if not d_old[t].has_key(x) and not d_new[t].has_key(x):
73          continue
74
75        if d_old[t].has_key(x):
76          if d_new[t].has_key(x):
77
78            if d_old[t][x] == 'PASS':
79              if d_new[t][x] != 'PASS':
80                print t + " *** REGRESSION (" + x + " now fails)"
81            else:
82              if d_new[t][x] == 'PASS':
83                print t + " * NEW PASS (" + x + " now fails)"
84
85          else :
86            print t + "*** REGRESSION (" + x + " now fails)"
87
88        if x == 'compile state' or x == 'exec state':
89          continue
90
91        # For execution time, if there is no result it's a fail.
92        if not d_old[t].has_key(x) and not d_new[t].has_key(x):
93          continue
94        elif not d_new[t].has_key(x):
95          print t + " *** REGRESSION (" + x + ")"
96        elif not d_old[t].has_key(x):
97          print t + " * NEW PASS (" + x + ")"
98
99        if math.isnan(d_old[t][x]) and math.isnan(d_new[t][x]):
100          continue
101
102        elif math.isnan(d_old[t][x]) and not math.isnan(d_new[t][x]):
103          print t + " * NEW PASS (" + x + ")"
104
105        elif not math.isnan(d_old[t][x]) and math.isnan(d_new[t][x]):
106          print t + " *** REGRESSION (" + x + ")"
107
108        if d_new[t][x] > d_old[t][x] and \
109              (d_new[t][x] - d_old[t][x]) / d_new[t][x] > .05:
110          print t + " *** REGRESSION (" + x + ")"
111
112    else :
113      print t + ": Removed from test-suite."
114
115# Main
116if len(sys.argv) < 3 :
117  print 'Usage:', sys.argv[0], '<old log> <new log>'
118  sys.exit(-1)
119
120d_old = parse(sys.argv[1])
121d_new = parse(sys.argv[2])
122
123diffResults(d_old, d_new)
124