[llvm-commits] [llvm] r105305 - /llvm/trunk/lib/Target/X86/X86ISelLowering.cpp

Duncan Sands baldrick at free.fr
Wed Jun 2 00:07:45 PDT 2010

Hi Eli,

> Don't try to custom-lower 64-bit add-with-overflow and friends on x86-32; the
> x86 backend currently doesn't know how to handle them.
> This doesn't really fix anything because LegalizeTypes doesn't know how to
> handle them either.  We do get a better error message, though.

LegalizeTypes has code for legalizing add-with-overflow, so I'm surprised it
doesn't work.



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