[LLVMdev] [PATCH] Spill Comments
dag at cray.com
Mon Sep 14 10:34:15 PDT 2009
On Monday 14 September 2009 12:32, David Greene wrote:
> > The Offset->FrameIndex mapping seems rather heavy-weight, as
> > any expense is incurred even when AsmVerbose is off. Would it
> > be possible to use MachineMemOperands instead? In theory,
> > they should already be preserving the needed information. If
> > they're not sufficient, could they be improved?
> Yeah, I'm not totally happy with that mapping either. With
> MachineMemOperands, would that be the getOffset() method? That's
> only for FPRel data, though. What if frame pointer elimination has
> been run?
> I would love to get out from under the map if possible.
Are MachineMemOperands available at AsmPrinter time? Where are they stashed?
More information about the llvm-dev