live-in ( bb -- set )
Liveness analysis

Next:

live-in? ( vreg bb -- ? )

Vocabulary
compiler.cfg.liveness

Inputs

bb	a basic-block

Outputs

set

an assoc

Word description
All the virtual registers that are live in a basic block.

Definition

USING: assocs namespaces ;

IN: compiler.cfg.liveness

: live-in ( bb -- set ) live-ins get at ;