[PATCH] D15559: [LoopUnrollRuntime] Do unroll when the unroll factor is 2

[Charlie Turner via llvm-commits]

chatur01 added a comment.

I forgot to mention that I did see the following improvements in A57-T32 for spec2006:

  spec.cpu2006.ref.470_lbm 	-10.92%
  spec.cpu2006.ref.473_astar 	-9.53%
  spec.cpu2006.ref.444_namd 	-1.40%
  spec.cpu2006.ref.401_bzip2 	-1.06%

But this is an overall regression on spec2006.


http://reviews.llvm.org/D15559