[LLVMdev] question about enabling cfl-aa and collecting a57 numbers

Chandler Carruth chandlerc at google.com
Sun Jan 25 18:44:05 PST 2015


On Sun, Jan 25, 2015 at 6:37 PM, George Burgess IV <
george.burgess.iv at gmail.com> wrote:

> > Fixing that still gives a wrong result, i haven't started to track down
> what *else* is going on here.
>
> Running with the attached diff + a modified buildGraphFrom to handle the
> constexpr GEPs, we seem to flag everything in test2.ll (conservatively)
> correctly.
>
> Is `store` the only place we can expect to see these constexpr analogs, or
> is just about anywhere fair game?
>

Any Value can be a ConstantExpr, so all operands to instructions are fair
game.
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