coalesce-elements ( merged follower leader -- )

Vocabulary

compiler.cfg.ssa.destruction.coalescing

Inputs

merged	??
follower	vreg
leader	vreg

Outputs

None

Word description

Delete follower's class, and set leaders's class to merged.

Definition

USING: assocs kernel namespaces ;

IN: compiler.cfg.ssa.destruction.coalescing

: coalesce-elements ( merged follower leader -- )
    class-element-map get [ delete-at ] [ set-at ] bi-curry bi*
    ;