[x] Extract LLC test parsing classes and function into llc_test_parsing.py
[x] Add script collect_seeds.py to collect LLC tests that matches the specified arch/triple, cpu, attr combo and compile them into bitcode files
[x] Updated fuzz.py to support seeding from tests with --seeding-from-tests option
[x] Updated fuzz.py to display AFL UI when running just one experiment (no need to collect seeds, set environment variables, and type long AFL command manually anymore)
llc_test_parsing.pycollect_seeds.pyto collect LLC tests that matches the specified arch/triple, cpu, attr combo and compile them into bitcode filesfuzz.pyto support seeding from tests with--seeding-from-testsoptionfuzz.pyto display AFL UI when running just one experiment (no need to collect seeds, set environment variables, and type long AFL command manually anymore)