040000 tree 14b7819f7d3ec7527b34bab6cd9cee64ed0fe3e3	analysis
040000 tree 488bf6e802f26f4af6767dce510d4441796c2507	cfg
040000 tree f8a47065c8be89c3b146c9994e93041a85656fc0	constantpropagation
040000 tree e6b3a64154af9a56ecfbd9c2986ee0732d4d2228	qual
040000 tree 163b8f4e1aea6f34693e27855d1302ea105aa927	util