reify-register-transitions ( intervals -- )

Vocabulary

compiler.cfg.register-allocation.backtracking

Inputs

intervals

an object

Outputs

None

Definition

USING: accessors assocs compiler.cfg.linear-scan.live-intervals
kernel sequences sorting ;

IN: compiler.cfg.register-allocation.backtracking

:: reify-register-transitions ( intervals -- )
    H{ } clone :> groups intervals
    [ dup vreg>> groups push-at ] each groups values [
        [ live-interval-start ] sort-by [ but-last ] [ rest ] bi
        [ reify-register-transition ] 2each
    ] each ;