[llvm] r176827 - Don't remove a landing pad if the invoke requires a table entry.

[Bill Wendling]

On Mar 12, 2013, at 5:26 AM, Duncan Sands <baldrick at free.fr> wrote:

> Hi Bill,
> 
>> Don't remove a landing pad if the invoke requires a table entry.
>> 
>> An invoke may require a table entry. For instance, when the function it calls
>> is expected to throw.
>> <rdar://problem/13360379>
> 
> how about doing this at the codegen level instead?  I.e. in codegen, generate an
> entry in the exception table when the callee has the UWTable attribute even if
> it isn't an invoke.
> 
I'm not a huge fan of that. There is already a lot of code in place to handle generating these tables entries if the invokes exist without adding special code to force their generation on calls. I felt that this was the most non-invasive change...

Is there a reason you prefer moving this to the back-end?

-bw