[LLVMdev] loop metdata instruction

[Pekka Jääskeläinen]

Hi Paul,

On 02/26/2013 06:13 AM, Redmond, Paul wrote:
> The point is if the two representations are equivalent (which is what I'd
> like to determine) and one is more convenient/less intrusive on existing
> passes than that should be determined sooner rather than later :P

Isn't it possible that multiple nested loops share the header and
the pre-header in normalized loops? Thus, then adding metadata to the
preheader's branch would make the MD ambiguous for nested loops.

-- 
--Pekka