B::Bblock B::Bblock - Walk basic blocks.
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B::Bblock Tags

blocks Perl module Perl class Walk blocks Walk

B::Bblock Description

B::Bblock - Walk basic blocks. B::Bblock - Walk basic blocks.SYNOPSIS # External interface perl -MO=Bblock foo.pl # Programmatic API use B::Bblock qw(find_leaders); my $leaders = find_leaders($root_op, $start_op);This module is used by the B::CC back end. It walks "basic blocks". A basic block is a series of operations which is known to execute from start to finish, with no possibility of branching or halting.It can be used either stand alone or from inside another program.Functionsfind_leaders my $leaders = find_leaders($root_op, $start_op);Given the root of the op tree and an op from which to start processing, it will return a hash ref representing all the ops which start a block.The values of %$leaders are the op objects themselves. Keys are $$op addresses. Requirements: · Perl

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