On Tue, 2 Jun 2015, Tom de Vries wrote: > On 02-06-15 15:58, Richard Biener wrote: > > Btw, I wonder why you don't organize the oacc-kernel passes in > > a new simple-IPA group after pass_local_optimization_passes. > > I've placed the pass group as early as possible (meaning after ealias) and put > passes in front only when that served a purpose for parallelization > (pass_fre). The idea there was to minimize the amount of passes that have to > be modified to deal (conservatively) with a kernels region.
I see. > So AFAICT, there's nothing against placing the pass group after > pass_local_optimization_passes, other that that it's more work in more passes > to keep the region intact. > > What would be the benefit of doing so? Get all the local optimizations done, including pure-const discovery. Richard. -- Richard Biener <rguent...@suse.de> SUSE LINUX GmbH, GF: Felix Imendoerffer, Jane Smithard, Dilip Upmanyu, Graham Norton, HRB 21284 (AG Nuernberg)
