[LLVMdev] ARMLoadStoreOptimizer bug

Anton Korobeynikov anton at korobeynikov.info
Mon Feb 6 09:31:15 PST 2012


> I'm afraid I really can't produce a meaningful example. The bug is extremely
> sensitive to code placement, optimization. I had to do a terrible amount of
> drugdery to find it in the first place.
Been there, done that :)

> 6) Determine why the stage 1 LLVM emitted these instructions, instead of the
> correct ones.
Aha, ok... perfectly makes sense to me!

With best regards, Anton Korobeynikov
Faculty of Mathematics and Mechanics, Saint Petersburg State University

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