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Re: PATCH: remove bb_ann_d's num_preds field


On Wed, 2004-09-29 at 12:20, Andrew MacLeod wrote:

> Immediate_uses will give you direct access to the stmt from the operand,
> so that gets you the result of a PHI node pretty easily too.
> 
> Its just a matter of how much memory I can chew up :-).  Its a continual
> trade off of memory for speed, and the balance is delicate. sigh.  I
> trying yet another angle now.
Well, I was thinking about this in terms of the only representation
for PHIs -- ie, we'd drop PHI nodes as we know them today and
replace them with a new scheme.

jeff



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