[nnc] Test cases for uneven split + reorder (#53091)
Summary:
Pull Request resolved: https://github.com/pytorch/pytorch/pull/53091
Split with tail followed by reorder causes a segfault in NNC
Split with mask followed by reorder generates invalid code that writes out of
bounds
ghstack-source-id: 122870733
Test Plan: LoopNest.ColReduceSplit*
Reviewed By: navahgar
Differential Revision: D26746254
fbshipit-source-id: f8a0de18531b34d2bf06ccaa35d9c98b81b5c600
