[CostModel][X86] Enable non-uniform vector division by constants costs.

Non-uniform division/remainder handling was added back at D49248/D50765 - so share the 'mul+sub' costs that already exist for uniform cases.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@345164 91177308-0d34-0410-b5e6-96231b3b80d8
4 files changed