[LLVMdev] Building a stable bitcode format for PNaCl - based on LLVM IR

[Eli Bendersky]

On Tue, Jun 18, 2013 at 12:03 PM, Sean Silva <silvas at purdue.edu> wrote:

> Instead of a blacklist, why not a whitelist? Given the size of LangRef,
> you're bound to leave something out of your blacklist that needs to be
> there (also, future additions to LLVM IR will need to be added to the
> blacklist; are you sure you can catch *all* of them?). A whitelist seems
> much less prone to breakage or unexpected behavior.
>
>
Hi Sean,

Which blacklist are you referring to? In all places where we specifically
allow or disallow certain constructs (such as specific instructions,
intrinsics, linkage modes and so on) we use a whitelisting strategy.

Eli
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