Date startSimplify = new Date();
// We only simplify if on_fly_cg is false. But, if vta is true, it
// overrides on_fly_cg, so we can still simplify. Something to handle
// these option interdependencies more cleanly would be nice...
if( ( opts.simplify_sccs() && !opts.on_fly_cg() ) || opts.vta() ) {
new SCCCollapser( pag, opts.ignore_types_for_sccs() ).collapse();
}
if( opts.simplify_offline() && !opts.on_fly_cg() ) {
new EBBCollapser( pag ).collapse();
}