split-for-spill ( live-interval n -- before/f after/f )
Spill slot assignment

Next:

first-use-rep ( live-interval -- rep/f )

Vocabulary
compiler.cfg.linear-scan.allocation.spilling

Inputs

live-interval	a live-interval-state
n	an integer

Outputs

before/f	a live-interval-state or f
after/f	a live-interval-state or f

Word description
During register allocation an interval needs to be split so that the 'after' part of it can be placed in a spill slot.

Definition

USING: compiler.cfg.linear-scan.allocation.splitting kernel ;

IN: compiler.cfg.linear-scan.allocation.spilling

: split-for-spill ( live-interval n -- before/f after/f )
    split-interval [ spill-before ] [ spill-after ] bi* ;