[LLVMdev] FYI: Phoronix GCC vs. LLVM-GCC benchmarks

Eric Christopher echristo at apple.com
Sun Sep 20 12:47:05 PDT 2009


>>
>> I've always used O1 for a quick cleanup so that my debug code doesn't
>> completely suck, but hasn't been optimized into oblivion for gdb.   
>> Also
>> makes looking at the resultant assembly dumps fairly easy.
>
> If this is from the compiler programmer perspective, we have better
> tools for that. If this is from the user perspective, currently they
> all are bad with LLVM for the former, and we should similarly fix all
> of them. :)
>

Well, it's mostly for both :)

>> But yes, that'd be crazy :)
>
> Was that a -1 on doing it, though? :)

Don't see much of a reason to be incompatible with gcc on this one.  
Maybe a new set of command line options for optimization? But what do  
I know?

*shrug* I've always hated dealing with command line options :)

-eric




More information about the llvm-dev mailing list