[PATCH] D21488: [polly] Fix some Clang-tidy and Include What You Use warnings; other minor fixes

[Tobias Grosser via llvm-commits]

grosser added a comment.

Hi,

the primary reason I ask for a split is to use this opportunity to educate people:
why certain changes are beneficial.


Repository:
  rL LLVM

http://reviews.llvm.org/D21488