[PATCH] D27245: Integer division expansion should handle constant divisors intelligently

[Dmitri Shtilman via Phabricator via llvm-commits]

dshtilman added a comment.

In https://reviews.llvm.org/D27245#608925, @joerg wrote:

> Why is this code necessary? LLVM already implements the division-by-constant optimisation.


Some platforms don't use SelectionDAG isel so they would not catch that optimization.
This is an optimization for those who use this div sw expansion utility.


Repository:
  rL LLVM

https://reviews.llvm.org/D27245