[LLVMdev] GC infrastructure checked in

Chris Lattner sabre at nondot.org
Sun Jan 6 21:56:09 PST 2008

On Jan 6, 2008, at 6:32 PM, Gordon Henriksen wrote:

> Everything described in GarbageCollection.html should now be live.  
> Phew!
> The collectors could use a review, but they compile, have no impact  
> unless used, and tests would otherwise have had to be XFAILed  
> waiting on them.


> The ShadowStackCollector has one issue that may be of interest in  
> that it adds constant globals in a runOnFunction context. This is  
> bad in theory, but actually is entirely safe for both JIT and llc  
> from at least a code generation perspective. (Can this invalidate  
> any analyses used during code generation?) Since llc uses a  
> FunctionPassManager, I don't see any way around this, though.

This should be safe for now, in the future if it becomes a problem, we  
can figure out a solution.

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