[tree-ssa] Lazy updating of stmt operands

[Diego Novillo]

On Fri, 2003-12-12 at 14:53, Andrew MacLeod wrote:

> Yeah, but thats already consumed. If you are suggesting we replace our
> entire operand implemenation with FUDs, I'm pretty sure thats not going
> to happen :-)
> 
But Chris's point has nothing to do with FUD chains.  FUD chains is just
another SSA representation.  It is not related to how you keep track of
your operands.  It merely determines whether you rewrite operands or
keep explicit use-def links between statements.


Diego.