llvm/test/tools/llvm-reduce/Inputs/remove-args.py

import sys

InterestingArgumentPresent = False
FunctionCallPresent = False

input = open(sys.argv[1], "r")
for line in input:
    if "%interesting" in line:
        InterestingArgumentPresent = True
    if "call void @interesting" in line:
        FunctionCallPresent = True

if InterestingArgumentPresent and FunctionCallPresent:
    sys.exit(0)  # Interesting!

sys.exit(1)