[llvm] r209340 - Make early if conversion dependent upon the subtarget and add

[Robinson, Paul]

Mail lossage apparently continues.  I didn't get this one:

>> Maybe put the test before the DEBUG() call, so the pass doesn't report
>> itself as running when actually it didn't?  (That's what I did for the
>> optnone stuff.)
>> 
>> Also shouldn't this be returning false if it didn't do anything?
>> --paulr
>> 
> Yeah, FWIW you missed the passes being added in all of the backends
> for the optnone stuff. Including optimization passes on, say, x86. See
> my other patches from yesterday for places you should look.

Thanks for the tip, I'll make sure to look for those...
(wanders off grumbling incoherently).
--paulr