[LLVMdev] Metadata

David Greene dag at cray.com
Thu Feb 11 11:31:58 PST 2010


On Wednesday 10 February 2010 14:58:58 Dan Gohman wrote:
> On Feb 10, 2010, at 12:42 PM, David Greene wrote:
> > On Wednesday 10 February 2010 12:58:25 Chris Lattner wrote:
> >> I think that adding a bit to LoadSDNode and StoreSDNode would make
> >> sense.
> >
> > Ok.  The consequence is that a number of functions will have to change to
> > propagate this bit, analogous to what happens with isVolatile.  It's
> > essentially what we do right now here.  If everyone's ok with that, I'll
> > go that route.
>
> Putting a bit (or multiple bits) in MachineMemOperand for this
> would also make sense.

Is there any chance a MachineMemOperand will be shared by multiple 
instructions?

                                                  -Dave




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