[llvm-dev] loop unroll factor

[hameeza ahmed via llvm-dev]

thank you;
did with this;
-force-vector-interleave.

What is the difference between -loop-vectorize and -O3 in opt?
I am using O3 its fine?

On Sat, Jun 24, 2017 at 7:33 AM, Hal Finkel <hfinkel at anl.gov> wrote:

> As I recall, you can use #pragma clang loop unroll(n) interleave(m)
>
> To use an unrolling factor of n and an interleaving factor of m.
>
>  -Hal
> On 06/23/2017 09:30 PM, hameeza ahmed wrote:
>
> how to set loop unroll factor in llvm?
>
>
>
> --
> Hal Finkel
> Lead, Compiler Technology and Programming Languages
> Leadership Computing Facility
> Argonne National Laboratory
>
>
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