[LLVMdev] Semantics of noalias with vector of pointers?

Matt Arsenault Matthew.Arsenault at amd.com
Wed Sep 4 15:23:00 PDT 2013


On 09/04/2013 03:16 PM, Dan Gohman wrote:
> Do you actually have a use case for such attributes, or are you just 
> trying all possible attributes on all possible types to see what 
> breaks? ;-)

I'm mostly just breaking things. I randomly ended up on the bug about 
the zext vector parameters and thought it should work.

>
> It would be theoretically possible to define semantics for 
> signext/zerext or even noalias for vectors. However it's not clear 
> whether those are really desirable without motivating use cases.

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