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...e (which is a mess) and focus on improving looploadelimination. Maybe someone else wants to take a look at it. (I'll add all this to the bug) --Dan -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.llvm.org/pipermail/llvm-dev/attachments/20170116/551f2f7f/attachment.html>

Yeah, there's a lot of things this could be. On the memdep side: Note that memdep is not actually properly updated in all cases by most passes that claim to not invalidate it (they don't invalidate dependent pointers, only pointers they directly touch). There's already a bug filed about this. So far we've only seen missed-opt, not wrong code from this. But it should be possible