040000 tree cbfcb6c5cba4346b05cd556508e4465edd9274df	analysis
040000 tree 1559f7b40fe53682004a8c2409f385a32421e689	code
040000 tree 189fd29604868b24a81556191d1f15b533d187c9	conversion
040000 tree 14374c426c28cfd6547b20693e2feac26c6958b6	desugar
040000 tree 9cdee82d05dba7893d735775c2c89fefba3a28dc	optimize
040000 tree d982696b4bf7bcab985f2a6a1aee6101c13ce514	regalloc
040000 tree e0fde43d16cbc149f7226047bce160be5d46ce28	synthetic