prepare-rematerialization ( cfg -- )

Vocabulary

compiler.cfg.register-allocation.rematerialization

Inputs

cfg

an object

Outputs

None

Definition

USING: assocs compiler.cfg.linearization kernel namespaces
sequences ;

IN: compiler.cfg.register-allocation.rematerialization

:: prepare-rematerialization ( cfg -- )
    f rematerialization-statistics set
    rematerialize-constants? get [
        H{ { "loads" 0 } } clone rematerialization-statistics
        set
        H{ } clone :> definitions cfg cfg>insns :> insns insns
        [ definitions record-constant-definition ] each insns
        [ definitions reject-unsafe-constants ] each definitions
        [ nip >boolean ] assoc-filter
    ] [ f ] if rematerialization-recipes set ;