prepare-allocation-bases ( cfg -- context/f )

Vocabulary

compiler.cfg.register-allocation.ssa.bases

Inputs

cfg

an object

Outputs

context/f

an object

Definition

IN: compiler.cfg.register-allocation.ssa.bases

GENERIC: prepare-allocation-bases ( cfg -- context/f )

Methods

USING: accessors compiler.cfg compiler.cfg.instructions
compiler.cfg.register-allocation.ssa.bases compiler.cfg.rpo
compiler.cfg.ssa.destruction.leaders compiler.cfg.utilities
kernel namespaces sequences ;

M:: cfg prepare-allocation-bases ( cfg -- context/f )
    cfg cfg-has-phis? [
        cfg post-order
        [ instructions>> [ gc-map-insn? ] any? ] any? [
            f leader-map set cfg (construct-ssa-bases)
            cfg phi-bases get clone allocation-base-context boa
        ] [ f ] if
    ] [ f ] if ;


USING: compiler.cfg.register-allocation.ssa.bases kernel ;

M: object prepare-allocation-bases drop f ;