[LLVMdev] Tablegen: How to define a Pattern with multiple result instructions

[Tom Stellard]

On Thu, Aug 14, 2014 at 12:05:33AM -0700, Arsen Hakobyan wrote:
> Hi all,
> 
> I would like to be sure that Tablegen still does not support completely
> separate multiple instruction generation, and the only way is to write
> costume code (may be in TargetISelDAGToDAG class) to get the needed result.
> 
> Dear Tom, do you found other solution (using Tablegen tool) for this?
> 

I think the best way to do this is to use a pseudo instruction and then
expand it after instruction selection by using a custom inserter.

-Tom

> Thanks,
> Arsen
> 
> 
> 
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