[LLVMdev] RE : Is llc broken for Cortex-A9 + neon ?

[Sebastien DELDON-GNB]

Hi Anton,

You're right it fails with a different message with llc 3.0.
Anyway thanks for your help.

Best Regards
Seb

> -----Original Message-----
> From: Anton Korobeynikov [mailto:anton at korobeynikov.info]
> Sent: Monday, June 25, 2012 3:39 PM
> To: Sebastien DELDON-GNB
> Cc: LLVMdev at cs.uiuc.edu; Rotem, Nadav
> Subject: Re: RE : [LLVMdev] Is llc broken for Cortex-A9 + neon ?
> 
> > I filled this problem a while ago here
> http://llvm.org/bugs/show_bug.cgi?id=13111
> > Thinking it first was an LLVM opt bug. Shall I assign it to Nadav or
> create a new one ?
> IR is correct per se, so, backend should handle it (and it is w/o
> vector promotion). Everything was ok, because vector promotion was
> disabled by default on 3.0.
> You may try to check with llc -promote-elements=1 on llc from 3.0.
> 
> --
> With best regards, Anton Korobeynikov
> Faculty of Mathematics and Mechanics, Saint Petersburg State University