[PATCH] D46193: [LSR] Skip LSR if the cost of input is cheaper than LSR's solution

[Sebastian Pop via Phabricator via llvm-commits]

sebpop added a comment.

I like this change, thanks for implementing it!

It is useful for those kernels where the programmer knows how
to get a better set of induction variables than the suboptimal
IVs selected by the compiler heuristic.


https://reviews.llvm.org/D46193