[LLVMdev] Connecting two insns by a flag using anonymous pattern.

[sanjiv gupta]

On Thu, 2008-10-30 at 08:51 -0700, Evan Cheng wrote:
> I think so. If you are defining your own SDNode's, you need to specify  
> one as producing a flag, i.e. SDNPOutFlag; the other will be reading a  
> flag, i.e. SDNPInFlag.
> 
> Evan
> 
The problem is that B produces two values: i8, flag. 
And I would like to connect C using the flag of B and not by i8.

> On Oct 29, 2008, at 2:55 AM, sanjiv gupta wrote:
> 
> > def : Pat <(A), (B (C))>;
> >
> > can I connect B and C using a flag here?
> >
> > TIA,
> > -Sanjiv
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