use int32
[fix] mutable constant are not constant
rm warning in constant.ml
float may be represented by int
[enhance] more inlining for constant
more
better flush ?
fix passing argument
[enhance] export more fun
check before tail call
reenable +*/ opt
generalize optim
rewrite 1000 into 1e3
profiles

[fix] diable_inline
[need] defs needed for constants pass
[enhance] add fixpoint
driver without flow_simple
better logs
add missing operator
var in statement is useless