[Bug rtl-optimization/33224] failing rtl iv analysis (maybe due to df)
dorit at gcc dot gnu dot org
Thu Aug 30 08:13:00 GMT 2007
------- Comment #3 from dorit at gcc dot gnu dot org 2007-08-30 08:12 -------
(In reply to comment #2)
> I suspect this might be due to not updating the rd information after unrolling.
> Can you check if
> analyze_insns_in_loop() (which calls df_analyze()) is being called just before
> the problematic unrolling ?
it looks like it's called just before the unroller actually transforms
somthing, but not before the (failing) analysis. But when I add a call to it in
decide_peel_completely the analysis still fails.
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