[LLVMdev] Connecting two insns by a flag using anonymous pattern.
sanjiv.gupta at microchip.com
Fri Oct 31 00:35:24 PDT 2008
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.
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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