[LLVMdev] Is LLVM expressive enough to represent asynchronous exceptions?

[Jakob Stoklund Olesen]

On Jun 13, 2011, at 2:52 PM, Chris Lattner wrote:

> Synchronous exceptions like divide by zero or null pointer derefs are another thing entirely though.

When runtimes support this, do they preserve all registers or just the non-volatile registers, like a normal unwinder? How is information about the exception passed to the landing pad?

/jakob