[LLVMdev] [RFC] Extend LLVM IR to express "fast-math" at a per-instruction level

[Krzysztof Parzyszek]

On 11/2/2012 3:07 PM, Dan Gohman wrote:
>
>
> Just so you know, what you're describing sounds like Undefined Behavior.
>
> I don't currently have a suggestion for what is best choice is, or of
> how important it is.
>

I believe that the "undefined behavior" approach is clearer, and easier 
to understand (for the users who will be providing such flags).

-Krzysztof

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