[LLVMdev] Really nasty remat bug [LONG]

[David Greene]

On Wednesday 30 July 2008 16:03, David Greene wrote:
> Ok, I've been tracking down a remat bug for over a week.  I think I finally
> understand what is going on.  This happens in specfp2006 leslie3d
> compiled with our frontend and optimizer.  Unfortunately, getting a
> testcase is going to be impossible due to restrictions on SPEC
> redistribution and the complexity of the sequence of events leading to the
> bug.

Hooray!  I have a fix for this.  I filed PR2634 as a placeholder and history
marker so I can refer to it in the commit log once management signs
off on sending the patch.

                                                     -Dave