[llvm-dev] InstCombine GEP

[Sanjoy Das via llvm-dev]

Hi Ashutosh,

On Thu, Aug 10, 2017 at 12:22 AM, Nema, Ashutosh via llvm-dev
<llvm-dev at lists.llvm.org> wrote:
> I’m not sure how transforming GEP offset to i8 type will help alias analysis
> & SROA for the mentioned test case.

It should neither help nor hinder AA or SROA -- the two GEPs (the
complex one and the simple one) are equivalent.  Since memory isn't
typed in LLVM, having the GEP in terms of %struct.ABC does not provide
any extra information.

-- Sanjoy

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> Regards,
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> Ashutosh
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