Compiler projects using llvm
import sys

InterestingBBs = 0
input = open(sys.argv[1], "r")
for line in input:
  i = line.find(';')
  if i >= 0:
    line = line[:i]
  if line.startswith("interesting") or "%interesting" in line:
    InterestingBBs += 1

if InterestingBBs == 6:
  sys.exit(0) # interesting!

sys.exit(1) # IR isn't interesting