[LLVMdev] Making Sense of ISel DAG Output

David Greene dag at cray.com
Tue Oct 7 15:08:29 PDT 2008


On Tuesday 07 October 2008 15:39, David Greene wrote:
> On Tuesday 07 October 2008 15:24, Dan Gohman wrote:
> > It should. SelectNodeTo is a wrapper around MorphNodeTo, and MorphNodeTo
> > has code to check for and remove nodes that become dead, specifically to
> > address this case. If that's not working, it's a bug.
> >
> > What version of LLVM are you using here? This is code that has changed
> > substantially over the last few months. And we've fixed a number of
> > similar-sounding bugs along the way.
>
> 2.3 here.  I'll check the logs to look for stuff I should pull in.  Any
> pointers?

>From the comments, r53201 looks like a good candidate.  I'll try it out and 
report results.

                                             -Dave




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