[LLVMdev] [RFC] Parallelization metadata and intrinsics in LLVM (for OpenMP, etc.)

greened at obbligato.org
Tue, 02 Oct 2012 01:16:16 -0000

Sanjoy Das <sanjoy at playingwithpointers.com> writes:

> In short, I propose a intrinsic based approach which hinges on the
> concept of a "parallel map".  The immediate effect of using
intrinsics
> is that we no longer have to worry about missing metadata.  Moreover,
> we are still free to lower the intrinsics in a variety of ways --
> including vectorizing them or lowering them to calls to an actual
> openmp backend.

I'll re-ask here since this is in its own thread.

Why can't we just make ordinary function calls to runtime routines?

                     -David