[LLVMdev] RFC: Exception Handling Proposal Revised

Bill Wendling wendling at apple.com
Wed Dec 1 00:15:17 PST 2010


On Dec 1, 2010, at 12:10 AM, John McCall wrote:

> On Nov 30, 2010, at 11:04 PM, Bill Wendling wrote:
>> • A landing pad must have exactly one dispatch instruction associated with it,
>> and it must dominate that instruction.
> 
> Okay, but how do we find it?
> 
We can modify the dispatch to point back to the landing pad it's associated with. Something like:

lpad: landingpad
  dispatch region label %lpad ...

or similar.

> Looks good, though!
> 
Thanks!

-bw





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