local-kill-set ( ds-begin ds-inc rs-begin rs-inc -- set )


Vocabulary
compiler.cfg.stacks.local

Inputs
ds-beginan integer
ds-incan integer
rs-beginan integer
rs-incan integer


Outputs
seta hash-set


Word description
The set of stack locations that was killed. Locations on a stack are deemed killed if that stacks height is decremented.

See also
compute-local-kill-set

Definition
USING: compiler.cfg.registers hash-sets kernel sequences ;

IN: compiler.cfg.stacks.local

: local-kill-set ( ds-begin ds-inc rs-begin rs-inc -- set )
[ kill-locations ] 2bi@
[ [ <ds-loc> ] map ] [ [ <rs-loc> ] map ] bi* append
>hash-set ;