Re: Difference between 'FOR_EACH_BB' and 'for (i=0; i

[Diego Novillo]

sean yang wrote on 06/01/06 14:44:

> 'for (i=0; i<n_basic_blocks; i++){bb=BASIC_BLOCK(i);}'  traverses accoring to 
> the
> BB's index (because BASIC_BLOCK(i)->index ==i)
> 
The first form may take you to a NULL basic block.  See expunge_block.