[LLVMdev] The nsw story

[Chris Lattner]

On Nov 29, 2011, at 3:21 PM, Dan Gohman wrote:

> 
> A natural reaction to this problem is to think that LLVM IR is so nice
> and pretty that naturally there must be a nice and pretty solution. Here
> are some alternatives that have been considered:
> 
> - Go back to using undef for overflow. There were no known real-world
>   bugs with this. It's just inconsistent.

+1 for the simple and obvious answer.

-Chris