Module optimizations 

Modules

branch_inversion

cancel_ops

config

const_folding

cse

dedup_blocks

early_unsafe_panic

gas_redeposit

match_optimizer

reboxing

remappings

Remove unnecessary remapping of variables optimization.

reorder_statements

return_optimization

scrub_units

split_structs

strategy

trim_unreachable

validate

var_renamer