[PATCH] Constant fold undefined sqrt to undef instead of 0

Owen Anderson resistor at mac.com
Tue Dec 17 15:29:49 PST 2013

There’s a discussion about this on LLVMdev right now:  http://lists.cs.uiuc.edu/pipermail/llvmdev/2013-December/068576.html

On Dec 17, 2013, at 2:47 PM, Matt Arsenault <Matthew.Arsenault at amd.com> wrote:

>  If it's undefined, why would it matter what it can return? Can't it be anything?
> http://llvm-reviews.chandlerc.com/D2429

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