block-from ( bb -- n )

Vocabulary

compiler.cfg.linear-scan.live-intervals

Inputs

bb	a basic-block

Outputs

n	an integer

Word description

The instruction number immediately preceeding this block.

Definition

USING: accessors math sequences ;

IN: compiler.cfg.linear-scan.live-intervals

: block-from ( bb -- n ) instructions>> first insn#>> 1 - ;