[llvm-testresults] desire x86_64 nightly tester results

[Duncan Sands]

> These are actually CBE failures. Bugpoint reduces it down to code that
> does this:
> 
>    %y = trunc i32 %x to i30
>    %z = sext i30 %y to i32

Is there already a PR for the CBE's lack of apint support?

Ciao,

Duncan.