[LLVMdev] loop pragmas

Krzysztof Parzyszek kparzysz at codeaurora.org
Thu Nov 29 11:16:46 PST 2012

On 11/28/2012 4:58 PM, Hal Finkel wrote:
> Can you please write up a description of exactly what you have in mind? What information would go in the header, preheader (or maybe attached to the backedges, etc.). Would this be metadata or intrinsics (or both)? Would basic-block-level metadata be a better fit? (we had a patch for this proposed some months ago by Ralf Karrenberg -- I just figured I'd mention it in case it is useful here). Obviously we don't want to limit the optimization space available in order to preserve this metadata, and so we need to work out what happens in the case of loop fusion, splitting, etc.

Sure.  Will do.


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