david-arm added a comment. In D108138#2948975 <https://reviews.llvm.org/D108138#2948975>, @dmgreen wrote:
>> I'm under the impression that the vectoriser has a policy of never making >> scalar transformations > > I'm not sure what you mean. I've not looked into the details, but it could > presumably be done as some sort of VPlan transformation, possibly in the > constructions of vplans to treat switches like multiple icmp's/branches? Hi @dmgreen, I just meant that if LV makes a scalar transformation prior to legality/cost-model checks, then for some reason we don't vectorise, we then end up with a changed scalar body without any vectorisation. Repository: rG LLVM Github Monorepo CHANGES SINCE LAST ACTION https://reviews.llvm.org/D108138/new/ https://reviews.llvm.org/D108138 _______________________________________________ cfe-commits mailing list cfe-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits
