20 lines
395 B
Python
20 lines
395 B
Python
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import subprocess
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import sys
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opt = subprocess.run(
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["opt", "-passes=print<loops>", "-disable-output", sys.argv[1]],
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stdout=subprocess.PIPE,
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stderr=subprocess.PIPE,
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)
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stdout = opt.stdout.decode()
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pattern = "Loop at depth 1 containing"
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if pattern in opt.stderr.decode():
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print("This is interesting!")
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sys.exit(0)
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else:
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print("This is NOT interesting!")
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sys.exit(1)
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