prepare-greedy-intervals ( intervals/sync-points -- intervals )


Vocabulary
compiler.cfg.register-allocation.greedy

Inputs
intervals/sync-pointsan object


Outputs
intervalsan object


Definition
USING: accessors arrays compiler.cfg.linear-scan.live-intervals
sequences sorting ;

IN: compiler.cfg.register-allocation.greedy

:: prepare-greedy-intervals
( intervals/sync-points -- intervals )
intervals/sync-points [ live-interval-state? ] partition
[ n>> ] sort-by :> syncs :> intervals intervals [| interval
|
syncs interval 1array [| fragments sync |
fragments [ sync split-at-clobber ] map concat
] reduce
] map concat ;