[LLVMdev] ScheduleDAG Question
dag at cray.com
Thu Sep 3 16:22:46 PDT 2009
On Thursday 03 September 2009 16:04, Eli Friedman wrote:
> My first step would be to make sure there's an appropriate edge in the
> selection DAG... there's a possibility something could get messed up
> by legalization or the dagcombiner.
I turned off dagcombine and it didn't help.
> Since scheduling and selection is mostly within a block, hopefully it
> wouldn't be too hard to come up with a testcase?
Yep, I've got a much reduced testcase now (and converted from Fortran
to C which makes things much easier to work with). I'm going to test
against TOT and see if I see the same problem.
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