[LLVMdev] Handling Masked Vector Operations

dag at cray.com dag at cray.com
Thu May 2 12:26:40 PDT 2013

Nadav Rotem <nrotem at apple.com> writes:

> The idea is that you want to optimize your code based on the premise
> that undefined behavior in C allows you to do anything you like (to
> the undefined value).

To the undefined value, sure, but how does that get extrapolated to
treating the entire vector as undef?


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