[LLVMdev] CriticalAntiDepBreaker rewrites a register operand of a call instruction

Anton Korobeynikov anton at korobeynikov.info
Fri Apr 20 21:50:12 PDT 2012


Hi Akira,

> I am running into a problem when I turn on post-RA scheduler with mode
> "ANTIDEP_CRITICAL" for mips.
> I'd appreciate if someone could explain what is going wrong here.
All these passes are pretty sensitive to correct register liveness
information. As a first step I'd check whether machine verifier
reports no errors here.

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



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