When rooted with PHIs, a vectorization tree may have another node with PHIs which have roots as their operands. We cannot ignore ordering information for root in such a case. Differential Revision: https://reviews.llvm.org/D141309
When rooted with PHIs, a vectorization tree may have another node with PHIs which have roots as their operands. We cannot ignore ordering information for root in such a case. Differential Revision: https://reviews.llvm.org/D141309