[LLVMdev] Declare multiple data type for a register class in tblegen

[Xiaochu Liu]

Thanks. I'm gonna try tomorrow and let you know.

On Thu, Jul 2, 2015 at 6:51 PM Matt Arsenault <Matthew.Arsenault at amd.com>
wrote:

> On 07/02/2015 06:41 PM, Xiaochu Liu wrote:
> > Hi Matt,
> >
> > I did call addRegisterClass in TargetLowering for all the possible
> > types in the register. And for typecasting instructions (i32 to i64),
> > it works. Any other possiblilities?
> Try looking at the output of -debug-only=isel and see where the load is
> getting split up. The load isn't reaching instruction selection for your
> pattern to do anything
>
>
>
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