patch to fix -O0 for Mips

[Daniel Sanders]

LGTM too.

> -----Original Message-----
> From: Dr D. Chisnall [mailto:dc552 at hermes.cam.ac.uk] On Behalf Of David
> Chisnall
> Sent: 10 March 2014 08:23
> To: Reed Kotler
> Cc: llvm-commits at cs.uiuc.edu; David Chisnall; Daniel Sanders; Doug Gilmore
> Subject: Re: patch to fix -O0 for Mips
> 
> On 10 Mar 2014, at 11:41, reed kotler <rkotler at mips.com> wrote:
> 
> > <optimizepic.txt>
> 
> Looks good to me.
> 
> David