Yeah, agree adding SDNodes for every intrinsic sounds odd.
SDNodes should be the source of the selection process, not it's destination.
Christian.
Am 17.06.2014 03:51, schrieb Marek Olšák:
Is there any specific reason for using SDNodes for everything?
Using intrinsics directly in patterns seems to result in a smaller
amount of code, which is always good.
Marek
On Mon, Jun 16, 2014 at 8:12 PM, Matt Arsenault
<matthew.arsena...@amd.com> wrote:
On 06/16/2014 08:45 AM, Tom Stellard wrote:
You don't need to add new SDNodes for all these instructions, you can just
use
the intrinsic directly in the pattern.
The only reason to add SDNodes, is if there are optimizations / special
lowering
we can do for these instructions.
I kind of like having everything consistently use an SDNode
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