[LLVMdev] How to use LLVM optimizations with clang

Abdul Wahid Memon engrwahidmemon at gmail.com
Tue Jun 12 03:48:34 PDT 2012


Hi

Yes. But how exactly code generation (optimized one) be done without
clang. Is it possible that we can specify those optimization
(individual ones instead of standard ones like -O3) some how when
generating code as is done by clang or llc?

Regards

Shahzad

On Tue, Jun 12, 2012 at 12:42 PM, Duncan Sands <baldrick at free.fr> wrote:
> Hi, the reason is that lli does optimized code generation by default, while
> clang does unoptimized codegen by default.  Use this
>  clang -O2 comb.ll
> instead.
>
> Ciao, Duncan.




More information about the llvm-dev mailing list