[LLVMdev] Another LiveInterval Question
David A. Greene
greened at obbligato.org
Thu Jan 17 21:26:03 PST 2008
On Thursday 17 January 2008 05:22:48 pm Evan Cheng wrote:
> On Jan 17, 2008, at 1:49 PM, David Greene wrote:
> > Post-phi-elimination, when can a LiveInterval VNInfo have a ~1 or ~0
> > def
> > value? I've seen ~0 on intervals created for spills. Can it happen
> > anywhere
> > else?
> They can be created during coalescing.
Ah. This and your answer to the question about multiple valnos is
helpful. Thanks. I'll dive into this some more and will probably
surface other questions. :)
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